Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

16 files changed, 9859 insertions, 0 deletions

diff --git a/tests/isisd/.gitignore b/tests/isisd/.gitignore
new file mode 100644
index 0000000..e124221
--- /dev/null
+++ b/tests/isisd/.gitignore
@@ -0,0 +1 @@
+/*_afl/*
diff --git a/tests/isisd/subdir.am b/tests/isisd/subdir.am
new file mode 100644
index 0000000..2f9ce81
--- /dev/null
+++ b/tests/isisd/subdir.am
@@ -0,0 +1,66 @@
+if !ISISD
+PYTEST_IGNORE += --ignore=isisd/
+endif
+ISISD_TEST_LDADD = isisd/libisis.a $(ALL_TESTS_LDADD)
+noinst_HEADERS += \
+	tests/isisd/test_common.h \
+	# end
+
+
+if ISISD
+check_PROGRAMS += tests/isisd/test_fuzz_isis_tlv
+endif
+tests_isisd_test_fuzz_isis_tlv_CFLAGS = $(TESTS_CFLAGS) -I$(top_builddir)/tests/isisd
+tests_isisd_test_fuzz_isis_tlv_CPPFLAGS = $(TESTS_CPPFLAGS) -I$(top_builddir)/tests/isisd
+tests_isisd_test_fuzz_isis_tlv_LDADD = $(ISISD_TEST_LDADD)
+tests_isisd_test_fuzz_isis_tlv_SOURCES = tests/isisd/test_fuzz_isis_tlv.c tests/isisd/test_common.c
+nodist_tests_isisd_test_fuzz_isis_tlv_SOURCES = tests/isisd/test_fuzz_isis_tlv_tests.h
+EXTRA_DIST += \
+	tests/isisd/test_fuzz_isis_tlv.py \
+	tests/isisd/test_fuzz_isis_tlv_tests.h.gz \
+	# end
+
+tests/isisd/test_fuzz_isis_tlv_tests.h: $(top_srcdir)/tests/isisd/test_fuzz_isis_tlv_tests.h.gz
+	@mkdir -p tests/isisd
+	$(AM_V_GEN)gzip -d < $(top_srcdir)/tests/isisd/test_fuzz_isis_tlv_tests.h.gz > "$@"
+CLEANFILES += tests/isisd/test_fuzz_isis_tlv_tests.h
+
+tests/isisd/tests_isisd_test_fuzz_isis_tlv-test_fuzz_isis_tlv.$(OBJEXT): \
+	tests/isisd/test_fuzz_isis_tlv_tests.h
+tests/isisd/test_fuzz_isis_tlv-test_fuzz_isis_tlv.$(OBJEXT): \
+	tests/isisd/test_fuzz_isis_tlv_tests.h
+
+
+if ISISD
+check_PROGRAMS += tests/isisd/test_isis_lspdb
+endif
+tests_isisd_test_isis_lspdb_CFLAGS = $(TESTS_CFLAGS)
+tests_isisd_test_isis_lspdb_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_isisd_test_isis_lspdb_LDADD = $(ISISD_TEST_LDADD)
+tests_isisd_test_isis_lspdb_SOURCES = tests/isisd/test_isis_lspdb.c tests/isisd/test_common.c
+EXTRA_DIST += tests/isisd/test_isis_lspdb.py
+
+
+if ISISD
+check_PROGRAMS += tests/isisd/test_isis_spf
+endif
+tests_isisd_test_isis_spf_CFLAGS = $(TESTS_CFLAGS)
+tests_isisd_test_isis_spf_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_isisd_test_isis_spf_LDADD = $(ISISD_TEST_LDADD)
+tests_isisd_test_isis_spf_SOURCES = tests/isisd/test_isis_spf.c tests/isisd/test_common.c tests/isisd/test_topologies.c
+nodist_tests_isisd_test_isis_spf_SOURCES = yang/frr-isisd.yang.c
+EXTRA_DIST += \
+	tests/isisd/test_isis_spf.py \
+	tests/isisd/test_isis_spf.in \
+	tests/isisd/test_isis_spf.refout \
+	# end
+
+
+if ISISD
+check_PROGRAMS += tests/isisd/test_isis_vertex_queue
+endif
+tests_isisd_test_isis_vertex_queue_CFLAGS = $(TESTS_CFLAGS)
+tests_isisd_test_isis_vertex_queue_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_isisd_test_isis_vertex_queue_LDADD = $(ISISD_TEST_LDADD)
+tests_isisd_test_isis_vertex_queue_SOURCES = tests/isisd/test_isis_vertex_queue.c tests/isisd/test_common.c
+EXTRA_DIST += tests/isisd/test_isis_vertex_queue.py
diff --git a/tests/isisd/test_common.c b/tests/isisd/test_common.c
new file mode 100644
index 0000000..ade3573
--- /dev/null
+++ b/tests/isisd/test_common.c
@@ -0,0 +1,351 @@
+/*
+ * Copyright (C) 2020  NetDEF, Inc.
+ *                     Renato Westphal
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+
+#include "isisd/isisd.h"
+#include "isisd/isis_dynhn.h"
+#include "isisd/isis_mt.h"
+
+#include "test_common.h"
+
+struct thread_master *master;
+struct zebra_privs_t isisd_privs;
+
+int isis_sock_init(struct isis_circuit *circuit)
+{
+	return 0;
+}
+
+const struct isis_test_node *
+test_topology_find_node(const struct isis_topology *topology,
+			const char *hostname, uint8_t pseudonode_id)
+{
+	for (size_t i = 0; topology->nodes[i].hostname[0]; i++)
+		if (strmatch(hostname, topology->nodes[i].hostname)
+		    && pseudonode_id == topology->nodes[i].pseudonode_id)
+			return &topology->nodes[i];
+
+	return NULL;
+}
+
+const struct isis_topology *
+test_topology_find(struct isis_topology *test_topologies, uint16_t number)
+{
+	for (size_t i = 0; test_topologies[i].number; i++)
+		if (test_topologies[i].number == number)
+			return &test_topologies[i];
+
+	return NULL;
+}
+
+static const struct isis_test_node *
+test_find_adjacency(const struct isis_test_node *tnode, const char *hostname)
+{
+	for (size_t i = 0; tnode->adjacencies[i].hostname[0]; i++) {
+		const struct isis_test_adj *tadj;
+
+		tadj = &tnode->adjacencies[i];
+		if (strmatch(hostname, tadj->hostname))
+			return tnode;
+	}
+
+	return NULL;
+}
+
+mpls_label_t test_topology_node_ldp_label(const struct isis_topology *topology,
+					  struct in_addr router_id)
+{
+	for (size_t i = 0; topology->nodes[i].hostname[0]; i++) {
+		const struct isis_test_node *tnode = &topology->nodes[i];
+		struct in_addr node_router_id;
+
+		if (!tnode->router_id)
+			continue;
+
+		(void)inet_pton(AF_INET, tnode->router_id, &node_router_id);
+		if (IPV4_ADDR_SAME(&router_id, &node_router_id))
+			return (50000 + (i + 1) * 100);
+	}
+
+	return MPLS_INVALID_LABEL;
+}
+
+static struct isis_lsp *lsp_add(struct lspdb_head *lspdb,
+				struct isis_area *area, int level,
+				const uint8_t *sysid, uint8_t pseudonode_id)
+{
+	struct isis_lsp *lsp;
+	uint8_t lspid[ISIS_SYS_ID_LEN + 2];
+
+	memcpy(lspid, sysid, ISIS_SYS_ID_LEN);
+	LSP_PSEUDO_ID(lspid) = pseudonode_id;
+	LSP_FRAGMENT(lspid) = 0;
+
+	lsp = lsp_new(area, lspid, 6000, 1, 0, 0, NULL, level);
+	lsp->tlvs = isis_alloc_tlvs();
+	lspdb_add(lspdb, lsp);
+
+	return lsp;
+}
+
+static void lsp_add_ip_reach(struct isis_lsp *lsp,
+			     const struct isis_test_node *tnode,
+			     const char *prefix_str, uint32_t *next_sid_index)
+{
+	struct prefix prefix;
+	struct sr_prefix_cfg pcfg = {};
+	struct sr_prefix_cfg *pcfg_p = NULL;
+
+	if (str2prefix(prefix_str, &prefix) != 1) {
+		zlog_debug("%s: invalid network: %s", __func__, prefix_str);
+		return;
+	}
+
+	if (CHECK_FLAG(tnode->flags, F_ISIS_TEST_NODE_SR)) {
+		pcfg_p = &pcfg;
+
+		pcfg.sid = *next_sid_index;
+		*next_sid_index = *next_sid_index + 1;
+		pcfg.sid_type = SR_SID_VALUE_TYPE_INDEX;
+		pcfg.node_sid = true;
+		pcfg.last_hop_behavior = SR_LAST_HOP_BEHAVIOR_PHP;
+	}
+
+	if (prefix.family == AF_INET)
+		isis_tlvs_add_extended_ip_reach(lsp->tlvs,
+						(struct prefix_ipv4 *)&prefix,
+						10, false, pcfg_p);
+	else
+		isis_tlvs_add_ipv6_reach(lsp->tlvs, ISIS_MT_IPV6_UNICAST,
+					 (struct prefix_ipv6 *)&prefix, 10,
+					 false, pcfg_p);
+}
+
+static void lsp_add_reach(struct isis_lsp *lsp,
+			  const struct isis_test_node *tnode,
+			  const uint8_t *ne_id, uint8_t pseudonode_id,
+			  uint32_t metric, int family, mpls_label_t *next_label)
+{
+	uint8_t nodeid[ISIS_SYS_ID_LEN + 1];
+	uint16_t mtid;
+	struct isis_ext_subtlvs *ext = NULL;
+
+	memcpy(nodeid, ne_id, ISIS_SYS_ID_LEN);
+	LSP_PSEUDO_ID(nodeid) = pseudonode_id;
+
+	if (CHECK_FLAG(tnode->flags, F_ISIS_TEST_NODE_SR)) {
+		struct isis_adj_sid *adj_sid;
+
+		adj_sid = XCALLOC(MTYPE_ISIS_SUBTLV, sizeof(*adj_sid));
+		adj_sid->family = family;
+		SET_FLAG(adj_sid->flags, EXT_SUBTLV_LINK_ADJ_SID_VFLG);
+		SET_FLAG(adj_sid->flags, EXT_SUBTLV_LINK_ADJ_SID_LFLG);
+		if (family == AF_INET6)
+			SET_FLAG(adj_sid->flags, EXT_SUBTLV_LINK_ADJ_SID_FFLG);
+		adj_sid->weight = 0;
+		adj_sid->sid = *next_label;
+		*next_label = *next_label + 1;
+
+		ext = isis_alloc_ext_subtlvs();
+		isis_tlvs_add_adj_sid(ext, adj_sid);
+	}
+
+	mtid = (family == AF_INET) ? ISIS_MT_IPV4_UNICAST
+				   : ISIS_MT_IPV6_UNICAST;
+
+	isis_tlvs_add_extended_reach(lsp->tlvs, mtid, nodeid, metric, ext);
+}
+
+static void lsp_add_router_capability(struct isis_lsp *lsp,
+				      const struct isis_test_node *tnode)
+{
+	struct isis_router_cap cap = {};
+
+	if (!tnode->router_id)
+		return;
+
+	if (inet_pton(AF_INET, tnode->router_id, &cap.router_id) != 1) {
+		zlog_debug("%s: invalid router-id: %s", __func__,
+			   tnode->router_id);
+		return;
+	}
+
+	if (CHECK_FLAG(tnode->flags, F_ISIS_TEST_NODE_SR)) {
+		cap.srgb.flags =
+			ISIS_SUBTLV_SRGB_FLAG_I | ISIS_SUBTLV_SRGB_FLAG_V;
+		cap.srgb.lower_bound = tnode->srgb.lower_bound
+					       ? tnode->srgb.lower_bound
+					       : SRGB_DFTL_LOWER_BOUND;
+		cap.srgb.range_size = tnode->srgb.range_size
+					      ? tnode->srgb.range_size
+					      : SRGB_DFTL_RANGE_SIZE;
+		cap.algo[0] = SR_ALGORITHM_SPF;
+		cap.algo[1] = SR_ALGORITHM_UNSET;
+	}
+
+	isis_tlvs_set_router_capability(lsp->tlvs, &cap);
+}
+
+static void lsp_add_mt_router_info(struct isis_lsp *lsp,
+				   const struct isis_test_node *tnode)
+{
+	if (tnode->protocols.ipv4)
+		isis_tlvs_add_mt_router_info(lsp->tlvs, ISIS_MT_IPV4_UNICAST, 0,
+					     false);
+	if (tnode->protocols.ipv6)
+		isis_tlvs_add_mt_router_info(lsp->tlvs, ISIS_MT_IPV6_UNICAST, 0,
+					     false);
+}
+
+static void lsp_add_protocols_supported(struct isis_lsp *lsp,
+					const struct isis_test_node *tnode)
+{
+	struct nlpids nlpids = {};
+
+	if (!tnode->protocols.ipv4 && !tnode->protocols.ipv6)
+		return;
+
+	if (tnode->protocols.ipv4) {
+		nlpids.nlpids[nlpids.count] = NLPID_IP;
+		nlpids.count++;
+	}
+	if (tnode->protocols.ipv6) {
+		nlpids.nlpids[nlpids.count] = NLPID_IPV6;
+		nlpids.count++;
+	}
+	isis_tlvs_set_protocols_supported(lsp->tlvs, &nlpids);
+}
+
+static int topology_load_node_level(const struct isis_topology *topology,
+				    const struct isis_test_node *tnode,
+				    size_t tnode_index, struct isis_area *area,
+				    struct lspdb_head *lspdb, int level)
+{
+	struct isis_lsp *lsp;
+	uint32_t next_sid_index = (tnode_index + 1) * 10;
+	mpls_label_t next_label = 16;
+
+	lsp = lsp_add(lspdb, area, level, tnode->sysid, tnode->pseudonode_id);
+	lsp_add_mt_router_info(lsp, tnode);
+	lsp_add_protocols_supported(lsp, tnode);
+	lsp_add_router_capability(lsp, tnode);
+
+	/* Add IP Reachability Information. */
+	for (size_t i = 0; tnode->networks[i]; i++) {
+		if (i > MAX_NETWORKS) {
+			zlog_debug(
+				"%s: node has too many networks (maximum is %u)",
+				__func__, MAX_NETWORKS);
+			return -1;
+		}
+		lsp_add_ip_reach(lsp, tnode, tnode->networks[i],
+				 &next_sid_index);
+	}
+
+	/* Add IS Reachability Information. */
+	for (size_t i = 0; tnode->adjacencies[i].hostname[0]; i++) {
+		const struct isis_test_adj *tadj;
+		const struct isis_test_node *tadj_node;
+
+		if (i > MAX_ADJACENCIES) {
+			zlog_debug(
+				"%s: node has too many adjacencies (maximum is %u)",
+				__func__, MAX_ADJACENCIES);
+			return -1;
+		}
+
+		tadj = &tnode->adjacencies[i];
+		tadj_node = test_topology_find_node(topology, tadj->hostname,
+						    tadj->pseudonode_id);
+		if (!tadj_node) {
+			zlog_debug(
+				"%s: node \"%s\" has an adjacency with non-existing node \"%s\"",
+				__func__, tnode->hostname, tadj->hostname);
+			return -1;
+		}
+		if (!test_find_adjacency(tadj_node, tnode->hostname)) {
+			zlog_debug(
+				"%s: node \"%s\" has an one-way adjacency with node \"%s\"",
+				__func__, tnode->hostname, tadj->hostname);
+			return -1;
+		}
+
+		if (tnode->pseudonode_id || tadj_node->pseudonode_id
+		    || (tnode->protocols.ipv4 && tadj_node->protocols.ipv4))
+			lsp_add_reach(lsp, tnode, tadj_node->sysid,
+				      tadj_node->pseudonode_id, tadj->metric,
+				      AF_INET, &next_label);
+		if (tadj_node->pseudonode_id
+		    || (tnode->protocols.ipv6 && tadj_node->protocols.ipv6))
+			lsp_add_reach(lsp, tnode, tadj_node->sysid,
+				      tadj_node->pseudonode_id, tadj->metric,
+				      AF_INET6, &next_label);
+	}
+
+	return 0;
+}
+
+static int topology_load_node(const struct isis_topology *topology,
+			      const struct isis_test_node *tnode,
+			      size_t tnode_index, struct isis_area *area,
+			      struct lspdb_head lspdb[])
+{
+	int ret;
+
+	isis_dynhn_insert(area->isis, tnode->sysid, tnode->hostname,
+			  tnode->level);
+
+	for (int level = IS_LEVEL_1; level <= IS_LEVEL_2; level++) {
+		if ((tnode->level & level) == 0)
+			continue;
+
+		ret = topology_load_node_level(topology, tnode, tnode_index,
+					       area, &lspdb[level - 1], level);
+		if (ret != 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+int test_topology_load(const struct isis_topology *topology,
+		       struct isis_area *area, struct lspdb_head lspdb[])
+{
+	for (int level = IS_LEVEL_1; level <= IS_LEVEL_2; level++)
+		lsp_db_init(&lspdb[level - 1]);
+
+	for (size_t i = 0; topology->nodes[i].hostname[0]; i++) {
+		const struct isis_test_node *tnode = &topology->nodes[i];
+		int ret;
+
+		if (i > MAX_NODES) {
+			zlog_debug(
+				"%s: topology has too many nodes (maximum is %u)",
+				__func__, MAX_NODES);
+			return -1;
+		}
+
+		ret = topology_load_node(topology, tnode, i, area, lspdb);
+		if (ret != 0)
+			return ret;
+	}
+
+	return 0;
+}
diff --git a/tests/isisd/test_common.h b/tests/isisd/test_common.h
new file mode 100644
index 0000000..3359a89
--- /dev/null
+++ b/tests/isisd/test_common.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2020  NetDEF, Inc.
+ *                     Renato Westphal
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _COMMON_ISIS_H
+#define _COMMON_ISIS_H
+
+#include "isisd/isisd.h"
+#include "isisd/isis_spf.h"
+#include "isisd/isis_spf_private.h"
+
+#define MAX_HOSTNAME 16
+#define MAX_NETWORKS 8
+#define MAX_ADJACENCIES 8
+#define MAX_NODES 12
+
+#define SRGB_DFTL_LOWER_BOUND 16000
+#define SRGB_DFTL_RANGE_SIZE 8000
+
+struct isis_test_adj {
+	char hostname[MAX_HOSTNAME];
+	uint8_t pseudonode_id;
+	uint32_t metric;
+};
+
+struct isis_test_node {
+	char hostname[MAX_HOSTNAME];
+	uint8_t sysid[ISIS_SYS_ID_LEN];
+	uint8_t pseudonode_id;
+	int level;
+	struct {
+		bool ipv4;
+		bool ipv6;
+	} protocols;
+	const char *router_id;
+	struct {
+		uint32_t lower_bound;
+		uint32_t range_size;
+	} srgb;
+	const char *networks[MAX_NETWORKS + 1];
+	struct isis_test_adj adjacencies[MAX_ADJACENCIES + 1];
+	uint8_t flags;
+};
+#define F_ISIS_TEST_NODE_SR 0x01
+
+struct isis_topology {
+	uint16_t number;
+	struct isis_test_node nodes[MAX_NODES + 1];
+};
+
+/* Prototypes. */
+extern int isis_sock_init(struct isis_circuit *circuit);
+extern const struct isis_test_node *
+test_topology_find_node(const struct isis_topology *topology,
+			const char *hostname, uint8_t pseudonode_id);
+extern const struct isis_topology *
+test_topology_find(struct isis_topology *test_topologies, uint16_t number);
+extern mpls_label_t
+test_topology_node_ldp_label(const struct isis_topology *topology,
+			     struct in_addr router_id);
+extern int test_topology_load(const struct isis_topology *topology,
+			      struct isis_area *area,
+			      struct lspdb_head lspdb[]);
+
+/* Global variables. */
+extern struct thread_master *master;
+extern struct zebra_privs_t isisd_privs;
+extern struct isis_topology test_topologies[];
+
+#endif /* _COMMON_ISIS_H */
diff --git a/tests/isisd/test_fuzz_isis_tlv.c b/tests/isisd/test_fuzz_isis_tlv.c
new file mode 100644
index 0000000..8f0b92d
--- /dev/null
+++ b/tests/isisd/test_fuzz_isis_tlv.c
@@ -0,0 +1,191 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "test_fuzz_isis_tlv_tests.h"
+
+#include <zebra.h>
+
+#include "memory.h"
+#include "sbuf.h"
+#include "stream.h"
+#include "thread.h"
+
+#include "isisd/isis_circuit.h"
+#include "isisd/isis_tlvs.h"
+
+#include "test_common.h"
+
+#define TEST_STREAM_SIZE 1500
+
+static bool atexit_registered;
+
+static void show_meminfo_at_exit(void)
+{
+	log_memstats(stderr, "isis fuzztest");
+}
+
+static int comp_line(const void *p1, const void *p2)
+{
+	return strcmp(*(char * const *)p1, *(char * const *)p2);
+}
+
+static char *sortlines(char *in)
+{
+	size_t line_count = 1;
+	size_t rv_len = strlen(in) + 1;
+	size_t rv_pos = 0;
+	char *rv = XMALLOC(MTYPE_TMP, rv_len);
+
+	for (char *c = in; *c; c++) {
+		if (*c == '\n')
+			line_count++;
+	}
+
+	if (line_count == 1) {
+		strncpy(rv, in, rv_len);
+		return rv;
+	}
+
+	char **lines = XCALLOC(MTYPE_TMP, sizeof(char *)*line_count);
+	char *saveptr = NULL;
+	size_t i = 0;
+
+	for (char *line = strtok_r(in, "\n", &saveptr); line;
+	     line = strtok_r(NULL, "\n", &saveptr)) {
+		lines[i++] = line;
+		assert(i <= line_count);
+	}
+
+	line_count = i;
+
+	qsort(lines, line_count, sizeof(char *), comp_line);
+
+	for (i = 0; i < line_count; i++) {
+		int printf_rv = snprintf(rv + rv_pos, rv_len - rv_pos, "%s\n", lines[i]);
+		assert(printf_rv >= 0);
+		rv_pos += printf_rv;
+	}
+
+	XFREE(MTYPE_TMP, lines);
+	return rv;
+}
+
+static int test(FILE *input, FILE *output)
+{
+	struct stream *s = stream_new(TEST_STREAM_SIZE);
+	char buf[TEST_STREAM_SIZE];
+	size_t bytes_read = 0;
+
+	if (!atexit_registered) {
+		atexit(show_meminfo_at_exit);
+		atexit_registered = true;
+	}
+
+	while (STREAM_WRITEABLE(s) && !feof(input)) {
+		bytes_read = fread(buf, 1, STREAM_WRITEABLE(s), input);
+		if (bytes_read == 0)
+			break;
+		stream_put(s, buf, bytes_read);
+	}
+
+	if (bytes_read && !feof(input)) {
+		fprintf(output, "Too much input data.\n");
+		stream_free(s);
+		return 1;
+	}
+
+	stream_set_getp(s, 0);
+	struct isis_tlvs *tlvs;
+	const char *log;
+	int rv = isis_unpack_tlvs(STREAM_READABLE(s), s, &tlvs, &log);
+
+	if (rv) {
+		fprintf(output, "Could not unpack TLVs:\n%s\n", log);
+		isis_free_tlvs(tlvs);
+		stream_free(s);
+		return 2;
+	}
+
+	fprintf(output, "Unpack log:\n%s", log);
+	const char *s_tlvs = isis_format_tlvs(tlvs, NULL);
+	fprintf(output, "Unpacked TLVs:\n%s", s_tlvs);
+
+	struct isis_item *orig_auth = tlvs->isis_auth.head;
+	tlvs->isis_auth.head = NULL;
+	s_tlvs = isis_format_tlvs(tlvs, NULL);
+	struct isis_tlvs *tlv_copy = isis_copy_tlvs(tlvs);
+	tlvs->isis_auth.head = orig_auth;
+	isis_free_tlvs(tlvs);
+
+	struct stream *s2 = stream_new(TEST_STREAM_SIZE);
+
+	if (isis_pack_tlvs(tlv_copy, s2, (size_t)-1, false, false)) {
+		fprintf(output, "Could not pack TLVs.\n");
+		assert(0);
+	}
+
+	stream_set_getp(s2, 0);
+	rv = isis_unpack_tlvs(STREAM_READABLE(s2), s2, &tlvs, &log);
+	if (rv) {
+		fprintf(output, "Could not unpack own TLVs:\n%s\n", log);
+		assert(0);
+	}
+
+	char *orig_tlvs = XSTRDUP(MTYPE_TMP, s_tlvs);
+	s_tlvs = isis_format_tlvs(tlvs, NULL);
+
+	if (strcmp(orig_tlvs, s_tlvs)) {
+		fprintf(output,
+			"Deserialized and Serialized LSP seem to differ.\n");
+		fprintf(output, "Re-Unpacked TLVs:\n%s", s_tlvs);
+		assert(0);
+	}
+
+	isis_free_tlvs(tlv_copy);
+	stream_free(s);
+	stream_free(s2);
+
+	struct list *fragments = isis_fragment_tlvs(tlvs, 550);
+	isis_free_tlvs(tlvs);
+	if (!fragments) {
+		XFREE(MTYPE_TMP, orig_tlvs);
+		return 0;
+	}
+
+	s = stream_new(550);
+
+	struct sbuf fragment_format;
+	sbuf_init(&fragment_format, NULL, 0);
+
+	struct listnode *node;
+	for (ALL_LIST_ELEMENTS_RO(fragments, node, tlvs)) {
+		stream_reset(s);
+		int rv = isis_pack_tlvs(tlvs, s, (size_t)-1, false, false);
+		if (rv) {
+			fprintf(output, "Could not pack fragment, too large.\n");
+			assert(0);
+		}
+		sbuf_push(&fragment_format, 0, "%s", isis_format_tlvs(tlvs, NULL));
+		isis_free_tlvs(tlvs);
+	}
+	list_delete(&fragments);
+	stream_free(s);
+
+	char *fragment_content = sortlines((char *)sbuf_buf(&fragment_format));
+	sbuf_free(&fragment_format);
+	char *orig_tlv_content = sortlines(orig_tlvs);
+	XFREE(MTYPE_TMP, orig_tlvs);
+
+	if (strcmp(fragment_content, orig_tlv_content)) {
+		fprintf(output, "Fragmented and unfragmented LSP seem to differ.\n");
+		fprintf(output, "Original:\n%s\nFragmented:\n%s\n",
+			orig_tlv_content, fragment_content);
+		assert(0);
+	}
+
+	XFREE(MTYPE_TMP, fragment_content);
+	XFREE(MTYPE_TMP, orig_tlv_content);
+
+	return 0;
+}
diff --git a/tests/isisd/test_fuzz_isis_tlv.py b/tests/isisd/test_fuzz_isis_tlv.py
new file mode 100644
index 0000000..8fd20aa
--- /dev/null
+++ b/tests/isisd/test_fuzz_isis_tlv.py
@@ -0,0 +1,32 @@
+import frrtest
+
+import pytest
+import platform
+import socket
+
+
+##
+# on musl, ntop compresses a single :0: -> :: which is against RFC
+##
+def inet_ntop_broken():
+    addr = "1:2:3:4:0:6:7:8"
+    return (
+        socket.inet_ntop(socket.AF_INET6, socket.inet_pton(socket.AF_INET6, addr))
+        != addr
+    )
+
+
+if platform.uname()[0] == "SunOS" or inet_ntop_broken():
+
+    class TestFuzzIsisTLV:
+        @pytest.mark.skipif(True, reason="Test unsupported")
+        def test_exit_cleanly(self):
+            pass
+
+
+else:
+
+    class TestFuzzIsisTLV(frrtest.TestMultiOut):
+        program = "./test_fuzz_isis_tlv"
+
+    TestFuzzIsisTLV.exit_cleanly()
diff --git a/tests/isisd/test_fuzz_isis_tlv_tests.h.gz b/tests/isisd/test_fuzz_isis_tlv_tests.h.gz
new file mode 100644
index 0000000..20b1dc3
--- /dev/null
+++ b/tests/isisd/test_fuzz_isis_tlv_tests.h.gz
diff --git a/tests/isisd/test_isis_lspdb.c b/tests/isisd/test_isis_lspdb.c
new file mode 100644
index 0000000..cc95c4a
--- /dev/null
+++ b/tests/isisd/test_isis_lspdb.c
@@ -0,0 +1,81 @@
+#include <zebra.h>
+
+#include "isisd/isis_lsp.c"
+
+#include "test_common.h"
+
+static void test_lsp_build_list_nonzero_ht(void)
+{
+	uint8_t lsp_id1[8]    = {
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00
+	};
+	uint8_t lsp_id_end[8] = {
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x5f, 0x00
+	};
+	uint8_t lsp_id2[8]    = {
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00
+	};
+
+	struct isis_area *area = calloc(sizeof(*area), 1);
+
+	area->lsp_mtu = 1500;
+
+	struct lspdb_head _lspdb, *lspdb = &_lspdb;
+	lsp_db_init(&_lspdb);
+
+	struct isis_lsp *lsp1 =
+		lsp_new(area, lsp_id1, 6000, 1, 0, 0, NULL, ISIS_LEVEL2);
+
+	lspdb_add(lspdb, lsp1);
+
+	struct isis_lsp *lsp2 =
+		lsp_new(area, lsp_id2, 6000, 1, 0, 0, NULL, ISIS_LEVEL2);
+
+	lspdb_add(lspdb, lsp2);
+
+	struct list *list = list_new();
+
+	lsp_build_list_nonzero_ht(lspdb, lsp_id1, lsp_id_end, list);
+	assert(list->count == 1);
+	assert(listgetdata(listhead(list)) == lsp1);
+	list_delete_all_node(list);
+
+	lsp_id_end[5] = 0x03;
+	lsp_id_end[6] = 0x00;
+
+	lsp_build_list_nonzero_ht(lspdb, lsp_id1, lsp_id_end, list);
+	assert(list->count == 2);
+	assert(listgetdata(listhead(list)) == lsp1);
+	assert(listgetdata(listtail(list)) == lsp2);
+	list_delete_all_node(list);
+
+	memcpy(lsp_id1, lsp_id2, sizeof(lsp_id1));
+
+	lsp_build_list_nonzero_ht(lspdb, lsp_id1, lsp_id_end, list);
+	assert(list->count == 1);
+	assert(listgetdata(listhead(list)) == lsp2);
+	list_delete_all_node(list);
+
+	lsp_id1[5] = 0x03;
+	lsp_id_end[5] = 0x04;
+
+	lsp_build_list_nonzero_ht(lspdb, lsp_id1, lsp_id_end, list);
+	assert(list->count == 0);
+	list_delete_all_node(list);
+
+	lsp_id1[5] = 0x00;
+
+	lsp_build_list_nonzero_ht(lspdb, lsp_id1, lsp_id_end, list);
+	assert(list->count == 2);
+	assert(listgetdata(listhead(list)) == lsp1);
+	assert(listgetdata(listtail(list)) == lsp2);
+	list_delete_all_node(list);
+}
+
+int main(int argc, char **argv)
+{
+	struct isis *isis = NULL;
+	isis = calloc(sizeof(*isis), 1);
+	test_lsp_build_list_nonzero_ht();
+	return 0;
+}
diff --git a/tests/isisd/test_isis_lspdb.py b/tests/isisd/test_isis_lspdb.py
new file mode 100644
index 0000000..280ed1c
--- /dev/null
+++ b/tests/isisd/test_isis_lspdb.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestIsisLSPDB(frrtest.TestMultiOut):
+    program = "./test_isis_lspdb"
+
+
+TestIsisLSPDB.exit_cleanly()
diff --git a/tests/isisd/test_isis_spf.c b/tests/isisd/test_isis_spf.c
new file mode 100644
index 0000000..971aba4
--- /dev/null
+++ b/tests/isisd/test_isis_spf.c
@@ -0,0 +1,570 @@
+/*
+ * Copyright (C) 2020  NetDEF, Inc.
+ *                     Renato Westphal
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+
+#include <lib/version.h>
+#include "getopt.h"
+#include "thread.h"
+#include "vty.h"
+#include "command.h"
+#include "log.h"
+#include "vrf.h"
+#include "yang.h"
+
+#include "isisd/isisd.h"
+#include "isisd/isis_dynhn.h"
+#include "isisd/isis_misc.h"
+#include "isisd/isis_route.h"
+#include "isisd/isis_spf.h"
+#include "isisd/isis_spf_private.h"
+
+#include "test_common.h"
+
+enum test_type {
+	TEST_SPF = 1,
+	TEST_REVERSE_SPF,
+	TEST_LFA,
+	TEST_RLFA,
+	TEST_TI_LFA,
+};
+
+#define F_DISPLAY_LSPDB 0x01
+#define F_IPV4_ONLY 0x02
+#define F_IPV6_ONLY 0x04
+#define F_LEVEL1_ONLY 0x08
+#define F_LEVEL2_ONLY 0x10
+
+static void test_run_spf(struct vty *vty, const struct isis_topology *topology,
+			 const struct isis_test_node *root,
+			 struct isis_area *area, struct lspdb_head *lspdb,
+			 int level, int tree, bool reverse)
+{
+	struct isis_spftree *spftree;
+	enum spf_type spf_type;
+
+	/* Run SPF. */
+	spf_type = reverse ? SPF_TYPE_REVERSE : SPF_TYPE_FORWARD;
+	spftree = isis_spftree_new(area, lspdb, root->sysid, level, tree,
+				   spf_type, F_SPFTREE_NO_ADJACENCIES);
+	isis_run_spf(spftree);
+
+	/* Print the SPT and the corresponding routing table. */
+	isis_print_spftree(vty, spftree);
+	isis_print_routes(vty, spftree, false, false);
+
+	/* Cleanup SPF tree. */
+	isis_spftree_del(spftree);
+}
+
+static void test_run_lfa(struct vty *vty, const struct isis_topology *topology,
+			 const struct isis_test_node *root,
+			 struct isis_area *area, struct lspdb_head *lspdb,
+			 int level, int tree,
+			 struct lfa_protected_resource *protected_resource)
+{
+	struct isis_spftree *spftree_self;
+	uint8_t flags;
+
+	/* Run forward SPF in the root node. */
+	flags = F_SPFTREE_NO_ADJACENCIES;
+	spftree_self = isis_spftree_new(area, lspdb, root->sysid, level, tree,
+					SPF_TYPE_FORWARD, flags);
+	isis_run_spf(spftree_self);
+
+	/* Run forward SPF on all adjacent routers. */
+	isis_spf_run_neighbors(spftree_self);
+
+	/* Compute the LFA repair paths. */
+	isis_lfa_compute(area, NULL, spftree_self, protected_resource);
+
+	/* Print the SPT and the corresponding main/backup routing tables. */
+	isis_print_spftree(vty, spftree_self);
+	vty_out(vty, "Main:\n");
+	isis_print_routes(vty, spftree_self, false, false);
+	vty_out(vty, "Backup:\n");
+	isis_print_routes(vty, spftree_self, false, true);
+
+	/* Cleanup everything. */
+	isis_spftree_del(spftree_self);
+}
+
+static void test_run_rlfa(struct vty *vty, const struct isis_topology *topology,
+			  const struct isis_test_node *root,
+			  struct isis_area *area, struct lspdb_head *lspdb,
+			  int level, int tree,
+			  struct lfa_protected_resource *protected_resource)
+{
+	struct isis_spftree *spftree_self;
+	struct isis_spftree *spftree_reverse;
+	struct isis_spftree *spftree_pc;
+	struct isis_spf_node *spf_node, *node;
+	struct rlfa *rlfa;
+	uint8_t flags;
+
+	/* Run forward SPF in the root node. */
+	flags = F_SPFTREE_NO_ADJACENCIES;
+	spftree_self = isis_spftree_new(area, lspdb, root->sysid, level, tree,
+					SPF_TYPE_FORWARD, flags);
+	isis_run_spf(spftree_self);
+
+	/* Run reverse SPF in the root node. */
+	spftree_reverse = isis_spf_reverse_run(spftree_self);
+
+	/* Run forward SPF on all adjacent routers. */
+	isis_spf_run_neighbors(spftree_self);
+
+	/* Compute the local LFA repair paths. */
+	isis_lfa_compute(area, NULL, spftree_self, protected_resource);
+
+	/* Compute the remote LFA repair paths. */
+	spftree_pc = isis_rlfa_compute(area, spftree_self, spftree_reverse, 0,
+				       protected_resource);
+
+	/* Print the extended P-space and Q-space. */
+	vty_out(vty, "P-space (self):\n");
+	RB_FOREACH (node, isis_spf_nodes, &spftree_pc->lfa.p_space)
+		vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+	vty_out(vty, "\n");
+	RB_FOREACH (spf_node, isis_spf_nodes, &spftree_self->adj_nodes) {
+		if (RB_EMPTY(isis_spf_nodes, &spf_node->lfa.p_space))
+			continue;
+		vty_out(vty, "P-space (%s):\n",
+			print_sys_hostname(spf_node->sysid));
+		RB_FOREACH (node, isis_spf_nodes, &spf_node->lfa.p_space)
+			vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+		vty_out(vty, "\n");
+	}
+	vty_out(vty, "Q-space:\n");
+	RB_FOREACH (node, isis_spf_nodes, &spftree_pc->lfa.q_space)
+		vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+	vty_out(vty, "\n");
+
+	/* Print the post-convergence SPT. */
+	isis_print_spftree(vty, spftree_pc);
+
+	/*
+	 * Activate the computed RLFAs (if any) using artificial LDP labels for
+	 * the PQ nodes.
+	 */
+	frr_each_safe (rlfa_tree, &spftree_self->lfa.remote.rlfas, rlfa) {
+		struct zapi_rlfa_response response = {};
+
+		response.pq_label = test_topology_node_ldp_label(
+			topology, rlfa->pq_address);
+		assert(response.pq_label != MPLS_INVALID_LABEL);
+		isis_rlfa_activate(spftree_self, rlfa, &response);
+	}
+
+	/* Print the SPT and the corresponding main/backup routing tables. */
+	isis_print_spftree(vty, spftree_self);
+	vty_out(vty, "Main:\n");
+	isis_print_routes(vty, spftree_self, false, false);
+	vty_out(vty, "Backup:\n");
+	isis_print_routes(vty, spftree_self, false, true);
+
+	/* Cleanup everything. */
+	isis_spftree_del(spftree_self);
+	isis_spftree_del(spftree_reverse);
+	isis_spftree_del(spftree_pc);
+}
+
+static void test_run_ti_lfa(struct vty *vty,
+			    const struct isis_topology *topology,
+			    const struct isis_test_node *root,
+			    struct isis_area *area, struct lspdb_head *lspdb,
+			    int level, int tree,
+			    struct lfa_protected_resource *protected_resource)
+{
+	struct isis_spftree *spftree_self;
+	struct isis_spftree *spftree_reverse;
+	struct isis_spftree *spftree_pc;
+	struct isis_spf_node *spf_node, *node;
+	uint8_t flags;
+
+	/* Run forward SPF in the root node. */
+	flags = F_SPFTREE_NO_ADJACENCIES;
+	spftree_self = isis_spftree_new(area, lspdb, root->sysid, level, tree,
+					SPF_TYPE_FORWARD, flags);
+	isis_run_spf(spftree_self);
+
+	/* Run reverse SPF in the root node. */
+	spftree_reverse = isis_spf_reverse_run(spftree_self);
+
+	/* Run forward SPF on all adjacent routers. */
+	isis_spf_run_neighbors(spftree_self);
+
+	/* Compute the TI-LFA repair paths. */
+	spftree_pc = isis_tilfa_compute(area, spftree_self, spftree_reverse,
+					protected_resource);
+
+	/* Print the extended P-space and Q-space. */
+	vty_out(vty, "P-space (self):\n");
+	RB_FOREACH (node, isis_spf_nodes, &spftree_pc->lfa.p_space)
+		vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+	vty_out(vty, "\n");
+	RB_FOREACH (spf_node, isis_spf_nodes, &spftree_self->adj_nodes) {
+		if (RB_EMPTY(isis_spf_nodes, &spf_node->lfa.p_space))
+			continue;
+		vty_out(vty, "P-space (%s):\n",
+			print_sys_hostname(spf_node->sysid));
+		RB_FOREACH (node, isis_spf_nodes, &spf_node->lfa.p_space)
+			vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+		vty_out(vty, "\n");
+	}
+	vty_out(vty, "Q-space:\n");
+	RB_FOREACH (node, isis_spf_nodes, &spftree_pc->lfa.q_space)
+		vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+	vty_out(vty, "\n");
+
+	/*
+	 * Print the post-convergence SPT and the corresponding routing table.
+	 */
+	isis_print_spftree(vty, spftree_pc);
+	isis_print_routes(vty, spftree_self, false, true);
+
+	/* Cleanup everything. */
+	isis_spftree_del(spftree_self);
+	isis_spftree_del(spftree_reverse);
+	isis_spftree_del(spftree_pc);
+}
+
+static int test_run(struct vty *vty, const struct isis_topology *topology,
+		    const struct isis_test_node *root, enum test_type test_type,
+		    uint8_t flags, enum lfa_protection_type protection_type,
+		    const char *fail_sysid_str, uint8_t fail_pseudonode_id)
+{
+	struct isis_area *area;
+	struct lfa_protected_resource protected_resource = {};
+	uint8_t fail_id[ISIS_SYS_ID_LEN] = {};
+
+	/* Init topology. */
+	area = isis_area_create("1", NULL);
+	memcpy(area->isis->sysid, root->sysid, sizeof(area->isis->sysid));
+	area->is_type = IS_LEVEL_1_AND_2;
+	area->srdb.enabled = true;
+	if (test_topology_load(topology, area, area->lspdb) != 0) {
+		vty_out(vty, "%% Failed to load topology\n");
+		return CMD_WARNING;
+	}
+
+	/* Parse failed link/node. */
+	if (fail_sysid_str) {
+		if (sysid2buff(fail_id, fail_sysid_str) == 0) {
+			struct isis_dynhn *dynhn;
+
+			dynhn = dynhn_find_by_name(area->isis, fail_sysid_str);
+			if (dynhn == NULL) {
+				vty_out(vty, "Invalid system id %s\n",
+					fail_sysid_str);
+				return CMD_WARNING;
+			}
+			memcpy(fail_id, dynhn->id, ISIS_SYS_ID_LEN);
+		}
+
+		protected_resource.type = protection_type;
+		memcpy(protected_resource.adjacency, fail_id, ISIS_SYS_ID_LEN);
+		LSP_PSEUDO_ID(protected_resource.adjacency) =
+			fail_pseudonode_id;
+	}
+
+	for (int level = IS_LEVEL_1; level <= IS_LEVEL_2; level++) {
+		if (level == IS_LEVEL_1 && CHECK_FLAG(flags, F_LEVEL2_ONLY))
+			continue;
+		if (level == IS_LEVEL_2 && CHECK_FLAG(flags, F_LEVEL1_ONLY))
+			continue;
+		if ((root->level & level) == 0)
+			continue;
+
+		/* Print the LDPDB. */
+		if (CHECK_FLAG(flags, F_DISPLAY_LSPDB))
+			show_isis_database_lspdb_vty(vty, area, level - 1,
+						 &area->lspdb[level - 1], NULL,
+						 ISIS_UI_LEVEL_DETAIL);
+
+		for (int tree = SPFTREE_IPV4; tree <= SPFTREE_IPV6; tree++) {
+			if (tree == SPFTREE_IPV4
+			    && CHECK_FLAG(flags, F_IPV6_ONLY))
+				continue;
+			if (tree == SPFTREE_IPV6
+			    && CHECK_FLAG(flags, F_IPV4_ONLY))
+				continue;
+
+			switch (test_type) {
+			case TEST_SPF:
+				test_run_spf(vty, topology, root, area,
+					     &area->lspdb[level - 1], level,
+					     tree, false);
+				break;
+			case TEST_REVERSE_SPF:
+				test_run_spf(vty, topology, root, area,
+					     &area->lspdb[level - 1], level,
+					     tree, true);
+				break;
+			case TEST_LFA:
+				test_run_lfa(vty, topology, root, area,
+					     &area->lspdb[level - 1], level,
+					     tree, &protected_resource);
+				break;
+			case TEST_RLFA:
+				test_run_rlfa(vty, topology, root, area,
+					      &area->lspdb[level - 1], level,
+					      tree, &protected_resource);
+				break;
+			case TEST_TI_LFA:
+				test_run_ti_lfa(vty, topology, root, area,
+						&area->lspdb[level - 1], level,
+						tree, &protected_resource);
+				break;
+			}
+		}
+	}
+
+	/* Cleanup IS-IS area. */
+	isis_area_destroy(area);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(test_isis, test_isis_cmd,
+      "test isis topology (1-14) root HOSTNAME\
+         <\
+	   spf\
+	   |reverse-spf\
+	   |lfa system-id WORD [pseudonode-id <1-255>]\
+	   |remote-lfa system-id WORD [pseudonode-id <1-255>]\
+	   |ti-lfa system-id WORD [pseudonode-id <1-255>] [node-protection]\
+	 >\
+	 [display-lspdb] [<ipv4-only|ipv6-only>] [<level-1-only|level-2-only>]",
+      "Test command\n"
+      "IS-IS routing protocol\n"
+      "Test topology\n"
+      "Test topology number\n"
+      "SPF root\n"
+      "SPF root hostname\n"
+      "Normal Shortest Path First\n"
+      "Reverse Shortest Path First\n"
+      "Classic LFA\n"
+      "System ID\n"
+      "System ID\n"
+      "Pseudonode-ID\n"
+      "Pseudonode-ID\n"
+      "Remote LFA\n"
+      "System ID\n"
+      "System ID\n"
+      "Pseudonode-ID\n"
+      "Pseudonode-ID\n"
+      "Topology Independent LFA\n"
+      "System ID\n"
+      "System ID\n"
+      "Pseudonode-ID\n"
+      "Pseudonode-ID\n"
+      "Node protection\n"
+      "Display the LSPDB\n"
+      "Do IPv4 processing only\n"
+      "Do IPv6 processing only\n"
+      "Skip L2 LSPs\n"
+      "Skip L1 LSPs\n")
+{
+	uint16_t topology_number;
+	const struct isis_topology *topology;
+	const struct isis_test_node *root;
+	enum test_type test_type;
+	enum lfa_protection_type protection_type = 0;
+	const char *fail_sysid_str = NULL;
+	uint8_t fail_pseudonode_id = 0;
+	uint8_t flags = 0;
+	int idx = 0;
+
+	/* Load topology. */
+	argv_find(argv, argc, "topology", &idx);
+	topology_number = atoi(argv[idx + 1]->arg);
+	topology = test_topology_find(test_topologies, topology_number);
+	if (!topology) {
+		vty_out(vty, "%% Topology \"%s\" not found\n",
+			argv[idx + 1]->arg);
+		return CMD_WARNING;
+	}
+
+	/* Find root node. */
+	argv_find(argv, argc, "root", &idx);
+	root = test_topology_find_node(topology, argv[idx + 1]->arg, 0);
+	if (!root) {
+		vty_out(vty, "%% Node \"%s\" not found\n", argv[idx + 1]->arg);
+		return CMD_WARNING;
+	}
+
+	/* Parse test information. */
+	if (argv_find(argv, argc, "spf", &idx))
+		test_type = TEST_SPF;
+	else if (argv_find(argv, argc, "reverse-spf", &idx))
+		test_type = TEST_REVERSE_SPF;
+	else if (argv_find(argv, argc, "lfa", &idx)) {
+		test_type = TEST_LFA;
+
+		fail_sysid_str = argv[idx + 2]->arg;
+		if (argv_find(argv, argc, "pseudonode-id", &idx))
+			fail_pseudonode_id =
+				strtoul(argv[idx + 1]->arg, NULL, 10);
+		protection_type = LFA_LINK_PROTECTION;
+	} else if (argv_find(argv, argc, "remote-lfa", &idx)) {
+		test_type = TEST_RLFA;
+
+		fail_sysid_str = argv[idx + 2]->arg;
+		if (argv_find(argv, argc, "pseudonode-id", &idx))
+			fail_pseudonode_id =
+				strtoul(argv[idx + 1]->arg, NULL, 10);
+		protection_type = LFA_LINK_PROTECTION;
+	} else if (argv_find(argv, argc, "ti-lfa", &idx)) {
+		test_type = TEST_TI_LFA;
+
+		fail_sysid_str = argv[idx + 2]->arg;
+		if (argv_find(argv, argc, "pseudonode-id", &idx))
+			fail_pseudonode_id =
+				strtoul(argv[idx + 1]->arg, NULL, 10);
+		if (argv_find(argv, argc, "node-protection", &idx))
+			protection_type = LFA_NODE_PROTECTION;
+		else
+			protection_type = LFA_LINK_PROTECTION;
+	} else
+		return CMD_WARNING;
+
+	/* Parse control flags. */
+	if (argv_find(argv, argc, "display-lspdb", &idx))
+		SET_FLAG(flags, F_DISPLAY_LSPDB);
+	if (argv_find(argv, argc, "ipv4-only", &idx))
+		SET_FLAG(flags, F_IPV4_ONLY);
+	else if (argv_find(argv, argc, "ipv6-only", &idx))
+		SET_FLAG(flags, F_IPV6_ONLY);
+	if (argv_find(argv, argc, "level-1-only", &idx))
+		SET_FLAG(flags, F_LEVEL1_ONLY);
+	else if (argv_find(argv, argc, "level-2-only", &idx))
+		SET_FLAG(flags, F_LEVEL2_ONLY);
+
+	return test_run(vty, topology, root, test_type, flags, protection_type,
+			fail_sysid_str, fail_pseudonode_id);
+}
+
+static void vty_do_exit(int isexit)
+{
+	printf("\nend.\n");
+
+	cmd_terminate();
+	vty_terminate();
+	yang_terminate();
+	thread_master_free(master);
+
+	log_memstats(stderr, "test-isis-spf");
+	if (!isexit)
+		exit(0);
+}
+
+struct option longopts[] = {{"help", no_argument, NULL, 'h'},
+			    {"debug", no_argument, NULL, 'd'},
+			    {0}};
+
+/* Help information display. */
+static void usage(char *progname, int status)
+{
+	if (status != 0)
+		fprintf(stderr, "Try `%s --help' for more information.\n",
+			progname);
+	else {
+		printf("Usage : %s [OPTION...]\n\
+isisd SPF test program.\n\n\
+-u, --debug        Enable debugging\n\
+-h, --help         Display this help and exit\n\
+\n\
+Report bugs to %s\n",
+		       progname, FRR_BUG_ADDRESS);
+	}
+	exit(status);
+}
+
+int main(int argc, char **argv)
+{
+	char *p;
+	char *progname;
+	struct thread thread;
+	bool debug = false;
+
+	/* Set umask before anything for security */
+	umask(0027);
+
+	/* get program name */
+	progname = ((p = strrchr(argv[0], '/')) ? ++p : argv[0]);
+
+	while (1) {
+		int opt;
+
+		opt = getopt_long(argc, argv, "hd", longopts, 0);
+
+		if (opt == EOF)
+			break;
+
+		switch (opt) {
+		case 0:
+			break;
+		case 'd':
+			debug = true;
+			break;
+		case 'h':
+			usage(progname, 0);
+			break;
+		default:
+			usage(progname, 1);
+			break;
+		}
+	}
+
+	/* master init. */
+	master = thread_master_create(NULL);
+	isis_master_init(master);
+
+	/* Library inits. */
+	cmd_init(1);
+	cmd_hostname_set("test");
+	vty_init(master, false);
+	yang_init(true, false);
+	if (debug)
+		zlog_aux_init("NONE: ", LOG_DEBUG);
+	else
+		zlog_aux_init("NONE: ", ZLOG_DISABLED);
+
+	/* IS-IS inits. */
+	yang_module_load("frr-isisd");
+	SET_FLAG(im->options, F_ISIS_UNIT_TEST);
+	debug_spf_events |= DEBUG_SPF_EVENTS;
+	debug_lfa |= DEBUG_LFA;
+	debug_events |= DEBUG_EVENTS;
+	debug_rte_events |= DEBUG_RTE_EVENTS;
+
+	/* Install test command. */
+	install_element(VIEW_NODE, &test_isis_cmd);
+
+	/* Read input from .in file. */
+	vty_stdio(vty_do_exit);
+
+	/* Fetch next active thread. */
+	while (thread_fetch(master, &thread))
+		thread_call(&thread);
+
+	/* Not reached. */
+	exit(0);
+}
diff --git a/tests/isisd/test_isis_spf.in b/tests/isisd/test_isis_spf.in
new file mode 100644
index 0000000..f8f65ff
--- /dev/null
+++ b/tests/isisd/test_isis_spf.in
@@ -0,0 +1,68 @@
+test isis topology 1 root rt1 spf
+test isis topology 2 root rt1 spf
+test isis topology 3 root rt1 spf ipv4-only
+test isis topology 4 root rt1 spf ipv4-only
+test isis topology 5 root rt1 spf ipv4-only
+test isis topology 6 root rt1 spf ipv4-only
+test isis topology 7 root rt1 spf ipv4-only
+test isis topology 8 root rt1 spf ipv4-only
+test isis topology 9 root rt1 spf
+test isis topology 10 root rt1 spf
+test isis topology 11 root rt1 spf
+test isis topology 12 root rt1 spf ipv4-only
+test isis topology 13 root rt1 spf ipv4-only
+
+test isis topology 4 root rt1 reverse-spf ipv4-only
+test isis topology 11 root rt1 reverse-spf
+
+test isis topology 1 root rt1 lfa system-id rt2
+test isis topology 2 root rt4 lfa system-id rt1 pseudonode-id 1
+test isis topology 2 root rt4 lfa system-id rt6
+test isis topology 3 root rt1 lfa system-id rt2
+test isis topology 3 root rt1 lfa system-id rt3
+test isis topology 7 root rt1 lfa system-id rt4
+test isis topology 7 root rt7 lfa system-id rt8
+test isis topology 7 root rt8 lfa system-id rt11
+test isis topology 9 root rt3 lfa system-id rt1
+test isis topology 10 root rt8 lfa system-id rt5
+test isis topology 11 root rt3 lfa system-id rt5
+test isis topology 13 root rt4 lfa system-id rt3
+test isis topology 14 root rt1 lfa system-id rt1 pseudonode-id 1
+test isis topology 14 root rt1 lfa system-id rt2
+test isis topology 14 root rt5 lfa system-id rt4
+
+test isis topology 1 root rt1 remote-lfa system-id rt2
+test isis topology 2 root rt5 remote-lfa system-id rt1 pseudonode-id 1
+test isis topology 3 root rt5 remote-lfa system-id rt4 ipv4-only
+test isis topology 3 root rt5 remote-lfa system-id rt3 ipv4-only
+test isis topology 5 root rt1 remote-lfa system-id rt2 ipv4-only
+test isis topology 6 root rt4 remote-lfa system-id rt3 ipv4-only
+test isis topology 7 root rt11 remote-lfa system-id rt8 ipv4-only
+test isis topology 7 root rt6 remote-lfa system-id rt5 ipv4-only
+test isis topology 8 root rt2 remote-lfa system-id rt5 ipv4-only
+test isis topology 11 root rt2 remote-lfa system-id rt4
+test isis topology 13 root rt1 remote-lfa system-id rt3 ipv4-only
+
+test isis topology 1 root rt1 ti-lfa system-id rt2
+test isis topology 2 root rt1 ti-lfa system-id rt3
+test isis topology 2 root rt1 ti-lfa system-id rt1 pseudonode-id 1
+test isis topology 2 root rt5 ti-lfa system-id rt1 pseudonode-id 1
+test isis topology 3 root rt5 ti-lfa system-id rt4 ipv4-only
+test isis topology 3 root rt5 ti-lfa system-id rt3 ipv4-only
+test isis topology 4 root rt1 ti-lfa system-id rt2 ipv4-only
+test isis topology 4 root rt4 ti-lfa system-id rt6 ipv4-only
+test isis topology 5 root rt1 ti-lfa system-id rt2 ipv4-only
+test isis topology 6 root rt4 ti-lfa system-id rt3 ipv4-only
+test isis topology 7 root rt11 ti-lfa system-id rt8 ipv4-only
+test isis topology 7 root rt6 ti-lfa system-id rt5 ipv4-only
+test isis topology 8 root rt2 ti-lfa system-id rt1 ipv4-only
+test isis topology 8 root rt2 ti-lfa system-id rt5 ipv4-only
+test isis topology 9 root rt1 ti-lfa system-id rt3
+test isis topology 9 root rt1 ti-lfa system-id rt2
+test isis topology 9 root rt9 ti-lfa system-id rt5
+test isis topology 9 root rt9 ti-lfa system-id rt8
+test isis topology 10 root rt1 ti-lfa system-id rt2
+test isis topology 10 root rt1 ti-lfa system-id rt4
+test isis topology 11 root rt2 ti-lfa system-id rt4
+test isis topology 12 root rt1 ti-lfa system-id rt3 ipv4-only
+test isis topology 13 root rt1 ti-lfa system-id rt3 ipv4-only
diff --git a/tests/isisd/test_isis_spf.py b/tests/isisd/test_isis_spf.py
new file mode 100644
index 0000000..f44fa70
--- /dev/null
+++ b/tests/isisd/test_isis_spf.py
@@ -0,0 +1,5 @@
+import frrtest
+
+
+class TestIsisSPF(frrtest.TestRefOut):
+    program = "./test_isis_spf"
diff --git a/tests/isisd/test_isis_spf.refout b/tests/isisd/test_isis_spf.refout
new file mode 100644
index 0000000..bdd5b2e
--- /dev/null
+++ b/tests/isisd/test_isis_spf.refout
@@ -0,0 +1,4800 @@
+test# test isis topology 1 root rt1 spf

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+                                         rt3                  -         

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+                        -          rt3      16060          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         rt5(4)

+2001:db8::4/128      IP6 internal 30     rt2                  -         rt4(4)

+2001:db8::5/128      IP6 internal 30     rt3                  -         rt5(4)

+2001:db8::6/128      IP6 internal 40     rt2                  -         rt6(4)

+                                         rt3                  -         

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -              

+ 2001:db8::2/128  20      -          rt2      implicit-null  

+ 2001:db8::3/128  20      -          rt3      implicit-null  

+ 2001:db8::4/128  30      -          rt2      16041          

+ 2001:db8::5/128  30      -          rt3      16051          

+ 2001:db8::6/128  40      -          rt2      16061          

+                          -          rt3      16061          

+

+test# test isis topology 2 root rt1 spf

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt5                  TE-IS        10     rt5                  -         rt1(4)

+rt2                  TE-IS        15     rt2                  -         rt1(4)

+rt1                                                                   

+rt6                  TE-IS        20     rt4                  -         rt4(4)

+                                         rt5                  -         rt5(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+10.0.255.2/32        IP TE        25     rt2                  -         rt2(4)

+rt3                  TE-IS        30     rt3                  -         rt1(4)

+10.0.255.6/32        IP TE        30     rt4                  -         rt6(4)

+                                         rt5                  -         

+10.0.255.3/32        IP TE        40     rt3                  -         rt3(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  25      -          rt2      implicit-null  

+ 10.0.255.3/32  40      -          rt3      implicit-null  

+ 10.0.255.4/32  20      -          rt4      implicit-null  

+ 10.0.255.5/32  20      -          rt5      implicit-null  

+ 10.0.255.6/32  30      -          rt4      16060          

+                        -          rt5      16060          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt5                  TE-IS        10     rt5                  -         rt1(4)

+rt2                  TE-IS        15     rt2                  -         rt1(4)

+rt1                                                                   

+rt6                  TE-IS        20     rt4                  -         rt4(4)

+                                         rt5                  -         rt5(4)

+2001:db8::4/128      IP6 internal 20     rt4                  -         rt4(4)

+2001:db8::5/128      IP6 internal 20     rt5                  -         rt5(4)

+2001:db8::2/128      IP6 internal 25     rt2                  -         rt2(4)

+rt3                  TE-IS        30     rt3                  -         rt1(4)

+2001:db8::6/128      IP6 internal 30     rt4                  -         rt6(4)

+                                         rt5                  -         

+2001:db8::3/128      IP6 internal 40     rt3                  -         rt3(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -              

+ 2001:db8::2/128  25      -          rt2      implicit-null  

+ 2001:db8::3/128  40      -          rt3      implicit-null  

+ 2001:db8::4/128  20      -          rt4      implicit-null  

+ 2001:db8::5/128  20      -          rt5      implicit-null  

+ 2001:db8::6/128  30      -          rt4      16061          

+                          -          rt5      16061          

+

+test# test isis topology 3 root rt1 spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt5                  TE-IS        30     rt2                  -         rt4(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        40     rt2                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  40      -          rt2      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+

+test# test isis topology 4 root rt1 spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt8                  TE-IS        40     rt2                  -         rt6(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+10.0.255.8/32        IP TE        50     rt2                  -         rt8(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+ 10.0.255.7/32  40      -          rt3      16070          

+ 10.0.255.8/32  50      -          rt2      16080          

+

+test# test isis topology 5 root rt1 spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt8                  TE-IS        40     rt2                  -         rt6(4)

+                                         rt3                  -         rt7(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+10.0.255.8/32        IP TE        50     rt2                  -         rt8(4)

+                                         rt3                  -         

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+ 10.0.255.7/32  40      -          rt3      16070          

+ 10.0.255.8/32  50      -          rt2      16080          

+                        -          rt3      16080          

+

+test# test isis topology 6 root rt1 spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+                                         rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+                                         rt3                  -         

+rt5                  TE-IS        40     rt2                  -         rt6(4)

+                                         rt3                  -         

+rt8                  TE-IS        40     rt2                  -         rt6(4)

+                                         rt3                  -         

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+                                         rt3                  -         

+rt7                  TE-IS        50     rt2                  -         rt5(4)

+                                         rt3                  -         rt8(4)

+10.0.255.5/32        IP TE        50     rt2                  -         rt5(4)

+                                         rt3                  -         

+10.0.255.8/32        IP TE        50     rt2                  -         rt8(4)

+                                         rt3                  -         

+10.0.255.7/32        IP TE        60     rt2                  -         rt7(4)

+                                         rt3                  -         

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+                        -          rt3      16040          

+ 10.0.255.5/32  50      -          rt2      16050          

+                        -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+                        -          rt3      16060          

+ 10.0.255.7/32  60      -          rt2      16070          

+                        -          rt3      16070          

+ 10.0.255.8/32  50      -          rt2      16080          

+                        -          rt3      16080          

+

+test# test isis topology 7 root rt1 spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+rt7                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+rt2                  TE-IS        30     rt4                  -         rt5(4)

+rt6                  TE-IS        30     rt4                  -         rt5(4)

+rt8                  TE-IS        30     rt4                  -         rt5(4)

+                                                                        rt7(4)

+10.0.255.5/32        IP TE        30     rt4                  -         rt5(4)

+10.0.255.7/32        IP TE        30     rt4                  -         rt7(4)

+rt10                 TE-IS        40     rt4                  -         rt7(4)

+rt3                  TE-IS        40     rt4                  -         rt2(4)

+                                                                        rt6(4)

+rt9                  TE-IS        40     rt4                  -         rt8(4)

+rt11                 TE-IS        40     rt4                  -         rt8(4)

+10.0.255.2/32        IP TE        40     rt4                  -         rt2(4)

+10.0.255.6/32        IP TE        40     rt4                  -         rt6(4)

+10.0.255.8/32        IP TE        40     rt4                  -         rt8(4)

+rt12                 TE-IS        50     rt4                  -         rt9(4)

+                                                                        rt11(4)

+10.0.255.10/32       IP TE        50     rt4                  -         rt10(4)

+10.0.255.3/32        IP TE        50     rt4                  -         rt3(4)

+10.0.255.9/32        IP TE        50     rt4                  -         rt9(4)

+10.0.255.11/32       IP TE        50     rt4                  -         rt11(4)

+10.0.255.12/32       IP TE        60     rt4                  -         rt12(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   0       -          -        -              

+ 10.0.255.2/32   40      -          rt4      16020          

+ 10.0.255.3/32   50      -          rt4      16030          

+ 10.0.255.4/32   20      -          rt4      implicit-null  

+ 10.0.255.5/32   30      -          rt4      16050          

+ 10.0.255.6/32   40      -          rt4      16060          

+ 10.0.255.7/32   30      -          rt4      16070          

+ 10.0.255.8/32   40      -          rt4      16080          

+ 10.0.255.9/32   50      -          rt4      16090          

+ 10.0.255.10/32  50      -          rt4      16100          

+ 10.0.255.11/32  50      -          rt4      16110          

+ 10.0.255.12/32  60      -          rt4      16120          

+

+test# test isis topology 8 root rt1 spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt3                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt2                  -         rt2(4)

+rt7                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+rt6                  TE-IS        30     rt2                  -         rt3(4)

+                                                                        rt5(4)

+rt8                  TE-IS        30     rt2                  -         rt5(4)

+rt10                 TE-IS        30     rt4                  -         rt7(4)

+10.0.255.3/32        IP TE        30     rt2                  -         rt3(4)

+10.0.255.5/32        IP TE        30     rt2                  -         rt5(4)

+10.0.255.7/32        IP TE        30     rt4                  -         rt7(4)

+rt9                  TE-IS        40     rt2                  -         rt8(4)

+rt11                 TE-IS        40     rt2                  -         rt8(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+10.0.255.8/32        IP TE        40     rt2                  -         rt8(4)

+10.0.255.10/32       IP TE        40     rt4                  -         rt10(4)

+rt12                 TE-IS        50     rt2                  -         rt9(4)

+                                                                        rt11(4)

+10.0.255.9/32        IP TE        50     rt2                  -         rt9(4)

+10.0.255.11/32       IP TE        50     rt2                  -         rt11(4)

+10.0.255.12/32       IP TE        60     rt2                  -         rt12(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   0       -          -        -              

+ 10.0.255.2/32   20      -          rt2      implicit-null  

+ 10.0.255.3/32   30      -          rt2      16030          

+ 10.0.255.4/32   20      -          rt4      implicit-null  

+ 10.0.255.5/32   30      -          rt2      16050          

+ 10.0.255.6/32   40      -          rt2      16060          

+ 10.0.255.7/32   30      -          rt4      16070          

+ 10.0.255.8/32   40      -          rt2      16080          

+ 10.0.255.9/32   50      -          rt2      16090          

+ 10.0.255.10/32  40      -          rt4      16100          

+ 10.0.255.11/32  50      -          rt2      16110          

+ 10.0.255.12/32  60      -          rt2      16120          

+

+test# test isis topology 9 root rt1 spf

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt5                  TE-IS        30     rt2                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+rt9                  TE-IS        40     rt2                  -         rt5(4)

+10.0.255.5/32        IP TE        40     rt2                  -         rt5(4)

+rt6                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+rt7                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+rt8                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+10.0.255.9/32        IP TE        50     rt2                  -         rt9(4)

+10.0.255.6/32        IP TE        60     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        60     rt2                  -         rt7(4)

+10.0.255.8/32        IP TE        60     rt2                  -         rt8(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  40      -          rt2      16050          

+ 10.0.255.6/32  60      -          rt2      16060          

+ 10.0.255.7/32  60      -          rt2      16070          

+ 10.0.255.8/32  60      -          rt2      16080          

+ 10.0.255.9/32  50      -          rt2      16090          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt5                  TE-IS        30     rt2                  -         rt4(4)

+2001:db8::4/128      IP6 internal 30     rt2                  -         rt4(4)

+rt9                  TE-IS        40     rt2                  -         rt5(4)

+2001:db8::5/128      IP6 internal 40     rt2                  -         rt5(4)

+rt6                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+rt7                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+rt8                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+2001:db8::9/128      IP6 internal 50     rt2                  -         rt9(4)

+2001:db8::6/128      IP6 internal 60     rt2                  -         rt6(4)

+2001:db8::7/128      IP6 internal 60     rt2                  -         rt7(4)

+2001:db8::8/128      IP6 internal 60     rt2                  -         rt8(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -              

+ 2001:db8::2/128  20      -          rt2      implicit-null  

+ 2001:db8::3/128  20      -          rt3      implicit-null  

+ 2001:db8::4/128  30      -          rt2      16041          

+ 2001:db8::5/128  40      -          rt2      16051          

+ 2001:db8::6/128  60      -          rt2      16061          

+ 2001:db8::7/128  60      -          rt2      16071          

+ 2001:db8::8/128  60      -          rt2      16081          

+ 2001:db8::9/128  50      -          rt2      16091          

+

+test# test isis topology 10 root rt1 spf

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        20     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt4                  -         rt1(4)

+rt5                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+rt6                  TE-IS        30     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt4                  -         rt4(4)

+rt8                  TE-IS        30     rt2                  -         rt5(4)

+10.0.255.3/32        IP TE        30     rt3                  -         rt3(4)

+10.0.255.4/32        IP TE        30     rt4                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt2                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt3                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt4                  -         rt7(4)

+10.0.255.8/32        IP TE        40     rt2                  -         rt8(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  30      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt4      implicit-null  

+ 10.0.255.5/32  30      -          rt2      16050          

+ 10.0.255.6/32  40      -          rt3      20060          

+ 10.0.255.7/32  40      -          rt4      16070          

+ 10.0.255.8/32  40      -          rt2      16080          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        20     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt4                  -         rt1(4)

+rt5                  TE-IS        20     rt2                  -         rt2(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+rt6                  TE-IS        30     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt4                  -         rt4(4)

+rt8                  TE-IS        30     rt2                  -         rt5(4)

+2001:db8::3/128      IP6 internal 30     rt3                  -         rt3(4)

+2001:db8::4/128      IP6 internal 30     rt4                  -         rt4(4)

+2001:db8::5/128      IP6 internal 30     rt2                  -         rt5(4)

+2001:db8::6/128      IP6 internal 40     rt3                  -         rt6(4)

+2001:db8::7/128      IP6 internal 40     rt4                  -         rt7(4)

+2001:db8::8/128      IP6 internal 40     rt2                  -         rt8(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -              

+ 2001:db8::2/128  20      -          rt2      implicit-null  

+ 2001:db8::3/128  30      -          rt3      implicit-null  

+ 2001:db8::4/128  30      -          rt4      implicit-null  

+ 2001:db8::5/128  30      -          rt2      16051          

+ 2001:db8::6/128  40      -          rt3      20061          

+ 2001:db8::7/128  40      -          rt4      16071          

+ 2001:db8::8/128  40      -          rt2      16081          

+

+test# test isis topology 11 root rt1 spf

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt2                  pseudo_TE-IS 20     rt3                  -         rt3(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+                                         rt3                  -         

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+                        -          rt3      16060          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt2                  pseudo_TE-IS 20     rt3                  -         rt3(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         rt5(4)

+2001:db8::4/128      IP6 internal 30     rt2                  -         rt4(4)

+2001:db8::5/128      IP6 internal 30     rt3                  -         rt5(4)

+2001:db8::6/128      IP6 internal 40     rt2                  -         rt6(4)

+                                         rt3                  -         

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -              

+ 2001:db8::2/128  20      -          rt2      implicit-null  

+ 2001:db8::3/128  20      -          rt3      implicit-null  

+ 2001:db8::4/128  30      -          rt2      16041          

+ 2001:db8::5/128  30      -          rt3      16051          

+ 2001:db8::6/128  40      -          rt2      16061          

+                          -          rt3      16061          

+

+test# test isis topology 12 root rt1 spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt8                  TE-IS        40     rt2                  -         rt6(4)

+rt9                  TE-IS        40     rt3                  -         rt7(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+rt10                 TE-IS        50     rt2                  -         rt8(4)

+10.0.255.8/32        IP TE        50     rt2                  -         rt8(4)

+10.0.255.9/32        IP TE        50     rt3                  -         rt9(4)

+10.0.255.10/32       IP TE        60     rt2                  -         rt10(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   0       -          -        -              

+ 10.0.255.2/32   20      -          rt2      implicit-null  

+ 10.0.255.3/32   20      -          rt3      implicit-null  

+ 10.0.255.4/32   30      -          rt2      16040          

+ 10.0.255.5/32   30      -          rt3      16050          

+ 10.0.255.6/32   40      -          rt2      16060          

+ 10.0.255.7/32   40      -          rt3      16070          

+ 10.0.255.8/32   50      -          rt2      16080          

+ 10.0.255.9/32   50      -          rt3      16090          

+ 10.0.255.10/32  60      -          rt2      16100          

+

+test# test isis topology 13 root rt1 spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+                                         rt3                  -         rt3(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+rt6                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+                                                                        rt6(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+                                         rt3                  -         

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.6/32        IP TE        30     rt3                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+                        -          rt3      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  30      -          rt3      16060          

+ 10.0.255.7/32  40      -          rt3      16070          

+

+test# 

+test# test isis topology 4 root rt1 reverse-spf ipv4-only

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt8                  TE-IS        40     rt2                  -         rt6(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+10.0.255.8/32        IP TE        50     rt2                  -         rt8(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+ 10.0.255.7/32  40      -          rt3      16070          

+ 10.0.255.8/32  50      -          rt2      16080          

+

+test# test isis topology 11 root rt1 reverse-spf

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10                                    rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt2                  pseudo_TE-IS 20     rt3                  -         rt3(4)

+rt4                  TE-IS        20                                    rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20                                    rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt3                  -         rt4(4)

+                                                                        rt5(4)

+10.0.255.4/32        IP TE        30                                    rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt3                  -         rt6(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt3      16060          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10                                    rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt2                  pseudo_TE-IS 20     rt3                  -         rt3(4)

+rt4                  TE-IS        20                                    rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+2001:db8::2/128      IP6 internal 20                                    rt2(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt3                  -         rt4(4)

+                                                                        rt5(4)

+2001:db8::4/128      IP6 internal 30                                    rt4(4)

+2001:db8::5/128      IP6 internal 30     rt3                  -         rt5(4)

+2001:db8::6/128      IP6 internal 40     rt3                  -         rt6(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -              

+ 2001:db8::3/128  20      -          rt3      implicit-null  

+ 2001:db8::5/128  30      -          rt3      16051          

+ 2001:db8::6/128  40      -          rt3      16061          

+

+test# 

+test# test isis topology 1 root rt1 lfa system-id rt2

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+                                         rt3                  -         

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+                        -          rt3      16060          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         rt5(4)

+2001:db8::4/128      IP6 internal 30     rt2                  -         rt4(4)

+2001:db8::5/128      IP6 internal 30     rt3                  -         rt5(4)

+2001:db8::6/128      IP6 internal 40     rt2                  -         rt6(4)

+                                         rt3                  -         

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -              

+ 2001:db8::2/128  20      -          rt2      implicit-null  

+ 2001:db8::3/128  20      -          rt3      implicit-null  

+ 2001:db8::4/128  30      -          rt2      16041          

+ 2001:db8::5/128  30      -          rt3      16051          

+ 2001:db8::6/128  40      -          rt2      16061          

+                          -          rt3      16061          

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+test# test isis topology 2 root rt4 lfa system-id rt1 pseudonode-id 1

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+10.0.255.4/32        IP internal  0                                     rt4(4)

+rt1                  TE-IS        10     rt1                  -         rt4(4)

+rt5                  TE-IS        10     rt5                  -         rt4(4)

+rt6                  TE-IS        10     rt6                  -         rt4(4)

+rt1                  pseudo_TE-IS 20     rt1                  -         rt1(4)

+                                         rt5                  -         rt5(4)

+10.0.255.1/32        IP TE        20     rt1                  -         rt1(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt2                  TE-IS        25     rt1                  -         rt1(4)

+10.0.255.2/32        IP TE        35     rt1                  -         rt2(4)

+rt3                  TE-IS        40     rt1                  -         rt1(4)

+10.0.255.3/32        IP TE        50     rt1                  -         rt3(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  20      -          rt1      implicit-null  

+ 10.0.255.2/32  35      -          rt1      16020          

+ 10.0.255.3/32  50      -          rt1      16030          

+ 10.0.255.4/32  0       -          -        -              

+ 10.0.255.5/32  20      -          rt5      implicit-null  

+ 10.0.255.6/32  20      -          rt6      implicit-null  

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.2/32  40      -          rt2      implicit-null  

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+2001:db8::4/128      IP6 internal 0                                     rt4(4)

+rt1                  TE-IS        10     rt1                  -         rt4(4)

+rt5                  TE-IS        10     rt5                  -         rt4(4)

+rt6                  TE-IS        10     rt6                  -         rt4(4)

+rt1                  pseudo_TE-IS 20     rt1                  -         rt1(4)

+                                         rt5                  -         rt5(4)

+2001:db8::1/128      IP6 internal 20     rt1                  -         rt1(4)

+2001:db8::5/128      IP6 internal 20     rt5                  -         rt5(4)

+2001:db8::6/128      IP6 internal 20     rt6                  -         rt6(4)

+rt2                  TE-IS        25     rt1                  -         rt1(4)

+2001:db8::2/128      IP6 internal 35     rt1                  -         rt2(4)

+rt3                  TE-IS        40     rt1                  -         rt1(4)

+2001:db8::3/128      IP6 internal 50     rt1                  -         rt3(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  20      -          rt1      implicit-null  

+ 2001:db8::2/128  35      -          rt1      16021          

+ 2001:db8::3/128  50      -          rt1      16031          

+ 2001:db8::4/128  0       -          -        -              

+ 2001:db8::5/128  20      -          rt5      implicit-null  

+ 2001:db8::6/128  20      -          rt6      implicit-null  

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::2/128  40      -          rt2      implicit-null  

+

+test# test isis topology 2 root rt4 lfa system-id rt6

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+10.0.255.4/32        IP internal  0                                     rt4(4)

+rt1                  TE-IS        10     rt1                  -         rt4(4)

+rt5                  TE-IS        10     rt5                  -         rt4(4)

+rt6                  TE-IS        10     rt6                  -         rt4(4)

+rt1                  pseudo_TE-IS 20     rt1                  -         rt1(4)

+                                         rt5                  -         rt5(4)

+10.0.255.1/32        IP TE        20     rt1                  -         rt1(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt2                  TE-IS        25     rt1                  -         rt1(4)

+10.0.255.2/32        IP TE        35     rt1                  -         rt2(4)

+rt3                  TE-IS        40     rt1                  -         rt1(4)

+10.0.255.3/32        IP TE        50     rt1                  -         rt3(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  20      -          rt1      implicit-null  

+ 10.0.255.2/32  35      -          rt1      16020          

+ 10.0.255.3/32  50      -          rt1      16030          

+ 10.0.255.4/32  0       -          -        -              

+ 10.0.255.5/32  20      -          rt5      implicit-null  

+ 10.0.255.6/32  20      -          rt6      implicit-null  

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.6/32  20      -          rt5      16060     

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+2001:db8::4/128      IP6 internal 0                                     rt4(4)

+rt1                  TE-IS        10     rt1                  -         rt4(4)

+rt5                  TE-IS        10     rt5                  -         rt4(4)

+rt6                  TE-IS        10     rt6                  -         rt4(4)

+rt1                  pseudo_TE-IS 20     rt1                  -         rt1(4)

+                                         rt5                  -         rt5(4)

+2001:db8::1/128      IP6 internal 20     rt1                  -         rt1(4)

+2001:db8::5/128      IP6 internal 20     rt5                  -         rt5(4)

+2001:db8::6/128      IP6 internal 20     rt6                  -         rt6(4)

+rt2                  TE-IS        25     rt1                  -         rt1(4)

+2001:db8::2/128      IP6 internal 35     rt1                  -         rt2(4)

+rt3                  TE-IS        40     rt1                  -         rt1(4)

+2001:db8::3/128      IP6 internal 50     rt1                  -         rt3(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  20      -          rt1      implicit-null  

+ 2001:db8::2/128  35      -          rt1      16021          

+ 2001:db8::3/128  50      -          rt1      16031          

+ 2001:db8::4/128  0       -          -        -              

+ 2001:db8::5/128  20      -          rt5      implicit-null  

+ 2001:db8::6/128  20      -          rt6      implicit-null  

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::6/128  20      -          rt5      16061     

+

+test# test isis topology 3 root rt1 lfa system-id rt2

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt5                  TE-IS        30     rt2                  -         rt4(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        40     rt2                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  40      -          rt2      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.2/32  20      -          rt3      16020     

+ 10.0.255.4/32  30      -          rt3      16040     

+ 10.0.255.5/32  40      -          rt3      16050     

+ 10.0.255.6/32  40      -          rt3      16060     

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+test# test isis topology 3 root rt1 lfa system-id rt3

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt5                  TE-IS        30     rt2                  -         rt4(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        40     rt2                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  40      -          rt2      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.3/32  20      -          rt2      16030     

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+test# test isis topology 7 root rt1 lfa system-id rt4

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+rt7                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+rt2                  TE-IS        30     rt4                  -         rt5(4)

+rt6                  TE-IS        30     rt4                  -         rt5(4)

+rt8                  TE-IS        30     rt4                  -         rt5(4)

+                                                                        rt7(4)

+10.0.255.5/32        IP TE        30     rt4                  -         rt5(4)

+10.0.255.7/32        IP TE        30     rt4                  -         rt7(4)

+rt10                 TE-IS        40     rt4                  -         rt7(4)

+rt3                  TE-IS        40     rt4                  -         rt2(4)

+                                                                        rt6(4)

+rt9                  TE-IS        40     rt4                  -         rt8(4)

+rt11                 TE-IS        40     rt4                  -         rt8(4)

+10.0.255.2/32        IP TE        40     rt4                  -         rt2(4)

+10.0.255.6/32        IP TE        40     rt4                  -         rt6(4)

+10.0.255.8/32        IP TE        40     rt4                  -         rt8(4)

+rt12                 TE-IS        50     rt4                  -         rt9(4)

+                                                                        rt11(4)

+10.0.255.10/32       IP TE        50     rt4                  -         rt10(4)

+10.0.255.3/32        IP TE        50     rt4                  -         rt3(4)

+10.0.255.9/32        IP TE        50     rt4                  -         rt9(4)

+10.0.255.11/32       IP TE        50     rt4                  -         rt11(4)

+10.0.255.12/32       IP TE        60     rt4                  -         rt12(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   0       -          -        -              

+ 10.0.255.2/32   40      -          rt4      16020          

+ 10.0.255.3/32   50      -          rt4      16030          

+ 10.0.255.4/32   20      -          rt4      implicit-null  

+ 10.0.255.5/32   30      -          rt4      16050          

+ 10.0.255.6/32   40      -          rt4      16060          

+ 10.0.255.7/32   30      -          rt4      16070          

+ 10.0.255.8/32   40      -          rt4      16080          

+ 10.0.255.9/32   50      -          rt4      16090          

+ 10.0.255.10/32  50      -          rt4      16100          

+ 10.0.255.11/32  50      -          rt4      16110          

+ 10.0.255.12/32  60      -          rt4      16120          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.2/32   40      -          rt2      implicit-null  

+ 10.0.255.3/32   50      -          rt2      16030          

+ 10.0.255.4/32   60      -          rt2      16040          

+ 10.0.255.5/32   50      -          rt2      16050          

+ 10.0.255.6/32   60      -          rt2      16060          

+ 10.0.255.7/32   70      -          rt2      16070          

+ 10.0.255.8/32   60      -          rt2      16080          

+ 10.0.255.9/32   70      -          rt2      16090          

+ 10.0.255.10/32  80      -          rt2      16100          

+ 10.0.255.11/32  70      -          rt2      16110          

+ 10.0.255.12/32  80      -          rt2      16120          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt2                  TE-IS        40     rt2                  -         rt1(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+test# test isis topology 7 root rt7 lfa system-id rt8

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt7                                                                   

+10.0.255.7/32        IP internal  0                                     rt7(4)

+rt4                  TE-IS        10     rt4                  -         rt7(4)

+rt8                  TE-IS        10     rt8                  -         rt7(4)

+rt10                 TE-IS        20     rt10                 -         rt7(4)

+rt1                  TE-IS        20     rt4                  -         rt4(4)

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+                                         rt8                  -         rt8(4)

+rt9                  TE-IS        20     rt8                  -         rt8(4)

+rt11                 TE-IS        20     rt8                  -         rt8(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.8/32        IP TE        20     rt8                  -         rt8(4)

+rt2                  TE-IS        30     rt4                  -         rt5(4)

+                                         rt8                  -         

+rt6                  TE-IS        30     rt4                  -         rt5(4)

+                                         rt8                  -         

+rt12                 TE-IS        30     rt8                  -         rt9(4)

+                                                                        rt11(4)

+10.0.255.10/32       IP TE        30     rt10                 -         rt10(4)

+10.0.255.1/32        IP TE        30     rt4                  -         rt1(4)

+10.0.255.5/32        IP TE        30     rt4                  -         rt5(4)

+                                         rt8                  -         

+10.0.255.9/32        IP TE        30     rt8                  -         rt9(4)

+10.0.255.11/32       IP TE        30     rt8                  -         rt11(4)

+rt3                  TE-IS        40     rt4                  -         rt2(4)

+                                         rt8                  -         rt6(4)

+10.0.255.2/32        IP TE        40     rt4                  -         rt2(4)

+                                         rt8                  -         

+10.0.255.6/32        IP TE        40     rt4                  -         rt6(4)

+                                         rt8                  -         

+10.0.255.12/32       IP TE        40     rt8                  -         rt12(4)

+10.0.255.3/32        IP TE        50     rt4                  -         rt3(4)

+                                         rt8                  -         

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   30      -          rt4      16010          

+ 10.0.255.2/32   40      -          rt4      16020          

+                         -          rt8      16020          

+ 10.0.255.3/32   50      -          rt4      16030          

+                         -          rt8      16030          

+ 10.0.255.4/32   20      -          rt4      implicit-null  

+ 10.0.255.5/32   30      -          rt4      16050          

+                         -          rt8      16050          

+ 10.0.255.6/32   40      -          rt4      16060          

+                         -          rt8      16060          

+ 10.0.255.7/32   0       -          -        -              

+ 10.0.255.8/32   20      -          rt8      implicit-null  

+ 10.0.255.9/32   30      -          rt8      16090          

+ 10.0.255.10/32  30      -          rt10     implicit-null  

+ 10.0.255.11/32  30      -          rt8      16110          

+ 10.0.255.12/32  40      -          rt8      16120          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)  

+ ------------------------------------------------------

+ 10.0.255.8/32   40      -          rt10     16080     

+ 10.0.255.9/32   50      -          rt10     16090     

+ 10.0.255.11/32  30      -          rt10     16110     

+ 10.0.255.12/32  40      -          rt10     16120     

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt7                                                                   

+rt4                  TE-IS        10     rt4                  -         rt7(4)

+rt8                  TE-IS        10     rt8                  -         rt7(4)

+rt10                 TE-IS        20     rt10                 -         rt7(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+test# test isis topology 7 root rt8 lfa system-id rt11

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt8                                                                   

+10.0.255.8/32        IP internal  0                                     rt8(4)

+rt5                  TE-IS        10     rt5                  -         rt8(4)

+rt7                  TE-IS        10     rt7                  -         rt8(4)

+rt9                  TE-IS        10     rt9                  -         rt8(4)

+rt11                 TE-IS        10     rt11                 -         rt8(4)

+rt2                  TE-IS        20     rt5                  -         rt5(4)

+rt4                  TE-IS        20     rt5                  -         rt5(4)

+                                         rt7                  -         rt7(4)

+rt6                  TE-IS        20     rt5                  -         rt5(4)

+rt12                 TE-IS        20     rt9                  -         rt9(4)

+                                         rt11                 -         rt11(4)

+rt10                 TE-IS        20     rt11                 -         rt11(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+10.0.255.7/32        IP TE        20     rt7                  -         rt7(4)

+10.0.255.9/32        IP TE        20     rt9                  -         rt9(4)

+10.0.255.11/32       IP TE        20     rt11                 -         rt11(4)

+rt3                  TE-IS        30     rt5                  -         rt2(4)

+                                                                        rt6(4)

+rt1                  TE-IS        30     rt5                  -         rt4(4)

+                                         rt7                  -         

+10.0.255.2/32        IP TE        30     rt5                  -         rt2(4)

+10.0.255.4/32        IP TE        30     rt5                  -         rt4(4)

+                                         rt7                  -         

+10.0.255.6/32        IP TE        30     rt5                  -         rt6(4)

+10.0.255.12/32       IP TE        30     rt9                  -         rt12(4)

+                                         rt11                 -         

+10.0.255.10/32       IP TE        30     rt11                 -         rt10(4)

+10.0.255.3/32        IP TE        40     rt5                  -         rt3(4)

+10.0.255.1/32        IP TE        40     rt5                  -         rt1(4)

+                                         rt7                  -         

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   40      -          rt5      16010          

+                         -          rt7      16010          

+ 10.0.255.2/32   30      -          rt5      16020          

+ 10.0.255.3/32   40      -          rt5      16030          

+ 10.0.255.4/32   30      -          rt5      16040          

+                         -          rt7      16040          

+ 10.0.255.5/32   20      -          rt5      implicit-null  

+ 10.0.255.6/32   30      -          rt5      16060          

+ 10.0.255.7/32   20      -          rt7      implicit-null  

+ 10.0.255.8/32   0       -          -        -              

+ 10.0.255.9/32   20      -          rt9      implicit-null  

+ 10.0.255.10/32  30      -          rt11     16100          

+ 10.0.255.11/32  20      -          rt11     implicit-null  

+ 10.0.255.12/32  30      -          rt9      16120          

+                         -          rt11     16120          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)  

+ ------------------------------------------------------

+ 10.0.255.10/32  30      -          rt7      16100     

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt8                                                                   

+rt5                  TE-IS        10     rt5                  -         rt8(4)

+rt7                  TE-IS        10     rt7                  -         rt8(4)

+rt9                  TE-IS        10     rt9                  -         rt8(4)

+rt11                 TE-IS        10     rt11                 -         rt8(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+test# test isis topology 9 root rt3 lfa system-id rt1

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt3                                                                   

+10.0.255.3/32        IP internal  0                                     rt3(4)

+rt1                  TE-IS        10     rt1                  -         rt3(4)

+rt2                  TE-IS        20     rt1                  -         rt1(4)

+10.0.255.1/32        IP TE        20     rt1                  -         rt1(4)

+rt4                  TE-IS        30     rt1                  -         rt2(4)

+10.0.255.2/32        IP TE        30     rt1                  -         rt2(4)

+rt5                  TE-IS        40     rt1                  -         rt4(4)

+10.0.255.4/32        IP TE        40     rt1                  -         rt4(4)

+rt9                  TE-IS        50     rt1                  -         rt5(4)

+10.0.255.5/32        IP TE        50     rt1                  -         rt5(4)

+rt6                  TE-IS        60     rt1                  -         rt4(4)

+                                                                        rt9(4)

+rt7                  TE-IS        60     rt1                  -         rt4(4)

+                                                                        rt9(4)

+rt8                  TE-IS        60     rt1                  -         rt4(4)

+                                                                        rt9(4)

+10.0.255.9/32        IP TE        60     rt1                  -         rt9(4)

+10.0.255.6/32        IP TE        70     rt1                  -         rt6(4)

+10.0.255.7/32        IP TE        70     rt1                  -         rt7(4)

+10.0.255.8/32        IP TE        70     rt1                  -         rt8(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  20      -          rt1      implicit-null  

+ 10.0.255.2/32  30      -          rt1      16020          

+ 10.0.255.3/32  0       -          -        -              

+ 10.0.255.4/32  40      -          rt1      16040          

+ 10.0.255.5/32  50      -          rt1      16050          

+ 10.0.255.6/32  70      -          rt1      16060          

+ 10.0.255.7/32  70      -          rt1      16070          

+ 10.0.255.8/32  70      -          rt1      16080          

+ 10.0.255.9/32  60      -          rt1      16090          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  120     -          rt4      16010          

+ 10.0.255.2/32  110     -          rt4      16020          

+ 10.0.255.4/32  100     -          rt4      implicit-null  

+ 10.0.255.5/32  110     -          rt4      16050          

+ 10.0.255.6/32  130     -          rt4      16060          

+ 10.0.255.7/32  130     -          rt4      16070          

+ 10.0.255.8/32  130     -          rt4      16080          

+ 10.0.255.9/32  120     -          rt4      16090          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt3                                                                   

+2001:db8::3/128      IP6 internal 0                                     rt3(4)

+rt1                  TE-IS        10     rt1                  -         rt3(4)

+rt2                  TE-IS        20     rt1                  -         rt1(4)

+2001:db8::1/128      IP6 internal 20     rt1                  -         rt1(4)

+rt4                  TE-IS        30     rt1                  -         rt2(4)

+2001:db8::2/128      IP6 internal 30     rt1                  -         rt2(4)

+rt5                  TE-IS        40     rt1                  -         rt4(4)

+2001:db8::4/128      IP6 internal 40     rt1                  -         rt4(4)

+rt9                  TE-IS        50     rt1                  -         rt5(4)

+2001:db8::5/128      IP6 internal 50     rt1                  -         rt5(4)

+rt6                  TE-IS        60     rt1                  -         rt4(4)

+                                                                        rt9(4)

+rt7                  TE-IS        60     rt1                  -         rt4(4)

+                                                                        rt9(4)

+rt8                  TE-IS        60     rt1                  -         rt4(4)

+                                                                        rt9(4)

+2001:db8::9/128      IP6 internal 60     rt1                  -         rt9(4)

+2001:db8::6/128      IP6 internal 70     rt1                  -         rt6(4)

+2001:db8::7/128      IP6 internal 70     rt1                  -         rt7(4)

+2001:db8::8/128      IP6 internal 70     rt1                  -         rt8(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  20      -          rt1      implicit-null  

+ 2001:db8::2/128  30      -          rt1      16021          

+ 2001:db8::3/128  0       -          -        -              

+ 2001:db8::4/128  40      -          rt1      16041          

+ 2001:db8::5/128  50      -          rt1      16051          

+ 2001:db8::6/128  70      -          rt1      16061          

+ 2001:db8::7/128  70      -          rt1      16071          

+ 2001:db8::8/128  70      -          rt1      16081          

+ 2001:db8::9/128  60      -          rt1      16091          

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  120     -          rt4      16011          

+ 2001:db8::2/128  110     -          rt4      16021          

+ 2001:db8::4/128  100     -          rt4      implicit-null  

+ 2001:db8::5/128  110     -          rt4      16051          

+ 2001:db8::6/128  130     -          rt4      16061          

+ 2001:db8::7/128  130     -          rt4      16071          

+ 2001:db8::8/128  130     -          rt4      16081          

+ 2001:db8::9/128  120     -          rt4      16091          

+

+test# test isis topology 10 root rt8 lfa system-id rt5

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt8                                                                   

+10.0.255.8/32        IP internal  0                                     rt8(4)

+rt5                  TE-IS        10     rt5                  -         rt8(4)

+rt2                  TE-IS        20     rt5                  -         rt5(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+rt1                  TE-IS        30     rt5                  -         rt2(4)

+10.0.255.2/32        IP TE        30     rt5                  -         rt2(4)

+10.0.255.1/32        IP TE        40     rt5                  -         rt1(4)

+rt6                  TE-IS        50     rt6                  -         rt8(4)

+rt7                  TE-IS        50     rt7                  -         rt8(4)

+rt3                  TE-IS        50     rt5                  -         rt1(4)

+rt4                  TE-IS        50     rt5                  -         rt1(4)

+10.0.255.6/32        IP TE        60     rt6                  -         rt6(4)

+10.0.255.7/32        IP TE        60     rt7                  -         rt7(4)

+10.0.255.3/32        IP TE        60     rt5                  -         rt3(4)

+10.0.255.4/32        IP TE        60     rt5                  -         rt4(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  40      -          rt5      16010          

+ 10.0.255.2/32  30      -          rt5      16020          

+ 10.0.255.3/32  60      -          rt5      16030          

+ 10.0.255.4/32  60      -          rt5      16040          

+ 10.0.255.5/32  20      -          rt5      implicit-null  

+ 10.0.255.6/32  60      -          rt6      implicit-null  

+ 10.0.255.7/32  60      -          rt7      implicit-null  

+ 10.0.255.8/32  0       -          -        -              

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.1/32  80      -          rt6      16010     

+                        -          rt7      16010     

+ 10.0.255.2/32  90      -          rt6      16020     

+                        -          rt7      16020     

+ 10.0.255.3/32  60      -          rt6      16030     

+                        -          rt7      16030     

+ 10.0.255.4/32  60      -          rt6      16040     

+                        -          rt7      16040     

+ 10.0.255.5/32  100     -          rt6      16050     

+                        -          rt7      16050     

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt8                                                                   

+2001:db8::8/128      IP6 internal 0                                     rt8(4)

+rt5                  TE-IS        10     rt5                  -         rt8(4)

+rt2                  TE-IS        20     rt5                  -         rt5(4)

+2001:db8::5/128      IP6 internal 20     rt5                  -         rt5(4)

+rt1                  TE-IS        30     rt5                  -         rt2(4)

+2001:db8::2/128      IP6 internal 30     rt5                  -         rt2(4)

+2001:db8::1/128      IP6 internal 40     rt5                  -         rt1(4)

+rt6                  TE-IS        50     rt6                  -         rt8(4)

+rt7                  TE-IS        50     rt7                  -         rt8(4)

+rt3                  TE-IS        50     rt5                  -         rt1(4)

+rt4                  TE-IS        50     rt5                  -         rt1(4)

+2001:db8::6/128      IP6 internal 60     rt6                  -         rt6(4)

+2001:db8::7/128      IP6 internal 60     rt7                  -         rt7(4)

+2001:db8::3/128      IP6 internal 60     rt5                  -         rt3(4)

+2001:db8::4/128      IP6 internal 60     rt5                  -         rt4(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  40      -          rt5      16011          

+ 2001:db8::2/128  30      -          rt5      16021          

+ 2001:db8::3/128  60      -          rt5      16031          

+ 2001:db8::4/128  60      -          rt5      16041          

+ 2001:db8::5/128  20      -          rt5      implicit-null  

+ 2001:db8::6/128  60      -          rt6      implicit-null  

+ 2001:db8::7/128  60      -          rt7      implicit-null  

+ 2001:db8::8/128  0       -          -        -              

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::1/128  80      -          rt6      16011     

+                          -          rt7      16011     

+ 2001:db8::2/128  90      -          rt6      16021     

+                          -          rt7      16021     

+ 2001:db8::3/128  60      -          rt6      16031     

+                          -          rt7      16031     

+ 2001:db8::4/128  60      -          rt6      16041     

+                          -          rt7      16041     

+ 2001:db8::5/128  100     -          rt6      16051     

+                          -          rt7      16051     

+

+test# test isis topology 11 root rt3 lfa system-id rt5

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt3                                                                   

+10.0.255.3/32        IP internal  0                                     rt3(4)

+rt1                  TE-IS        10     rt1                  -         rt3(4)

+rt2                  TE-IS        10     rt2                  -         rt3(4)

+rt5                  TE-IS        10     rt5                  -         rt3(4)

+rt2                  pseudo_TE-IS 20     rt1                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+                                         rt5                  -         rt5(4)

+rt6                  TE-IS        20     rt5                  -         rt5(4)

+10.0.255.1/32        IP TE        20     rt1                  -         rt1(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+                                         rt5                  -         

+10.0.255.6/32        IP TE        30     rt5                  -         rt6(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  20      -          rt1      implicit-null  

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  0       -          -        -              

+ 10.0.255.4/32  30      -          rt2      16040          

+                        -          rt5      16040          

+ 10.0.255.5/32  20      -          rt5      implicit-null  

+ 10.0.255.6/32  30      -          rt5      16060          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.5/32  30      -          rt2      16050     

+ 10.0.255.6/32  30      -          rt2      16060     

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt3                                                                   

+2001:db8::3/128      IP6 internal 0                                     rt3(4)

+rt1                  TE-IS        10     rt1                  -         rt3(4)

+rt2                  TE-IS        10     rt2                  -         rt3(4)

+rt5                  TE-IS        10     rt5                  -         rt3(4)

+rt2                  pseudo_TE-IS 20     rt1                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+                                         rt5                  -         rt5(4)

+rt6                  TE-IS        20     rt5                  -         rt5(4)

+2001:db8::1/128      IP6 internal 20     rt1                  -         rt1(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+2001:db8::5/128      IP6 internal 20     rt5                  -         rt5(4)

+2001:db8::4/128      IP6 internal 30     rt2                  -         rt4(4)

+                                         rt5                  -         

+2001:db8::6/128      IP6 internal 30     rt5                  -         rt6(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  20      -          rt1      implicit-null  

+ 2001:db8::2/128  20      -          rt2      implicit-null  

+ 2001:db8::3/128  0       -          -        -              

+ 2001:db8::4/128  30      -          rt2      16041          

+                          -          rt5      16041          

+ 2001:db8::5/128  20      -          rt5      implicit-null  

+ 2001:db8::6/128  30      -          rt5      16061          

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::5/128  30      -          rt2      16051     

+ 2001:db8::6/128  30      -          rt2      16061     

+

+test# test isis topology 13 root rt4 lfa system-id rt3

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+10.0.255.4/32        IP internal  0                                     rt4(4)

+rt2                  TE-IS        10     rt2                  -         rt4(4)

+rt3                  TE-IS        10     rt3                  -         rt4(4)

+rt1                  TE-IS        20     rt2                  -         rt2(4)

+                                         rt3                  -         rt3(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+rt6                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+                                                                        rt6(4)

+10.0.255.1/32        IP TE        30     rt2                  -         rt1(4)

+                                         rt3                  -         

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.6/32        IP TE        30     rt3                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  30      -          rt2      16010          

+                        -          rt3      16010          

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  0       -          -        -              

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  30      -          rt3      16060          

+ 10.0.255.7/32  40      -          rt3      16070          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.3/32  110     -          rt5      16030          

+ 10.0.255.5/32  100     -          rt5      implicit-null  

+ 10.0.255.6/32  120     -          rt5      16060          

+ 10.0.255.7/32  110     -          rt5      16070          

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+rt2                  TE-IS        10     rt2                  -         rt4(4)

+rt3                  TE-IS        10     rt3                  -         rt4(4)

+rt5                  TE-IS        100    rt5                  -         rt4(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+test# test isis topology 14 root rt1 lfa system-id rt1 pseudonode-id 1

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt1                                                                   

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.5/32        IP TE        30     rt4                  -         rt5(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.1/32  0       -          -        -         

+ 10.0.255.2/32  20      -          rt2      -         

+ 10.0.255.3/32  20      -          rt3      -         

+ 10.0.255.4/32  20      -          rt4      -         

+ 10.0.255.5/32  30      -          rt4      -         

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt1                                                                   

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+2001:db8::4/128      IP6 internal 20     rt4                  -         rt4(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+2001:db8::5/128      IP6 internal 30     rt4                  -         rt5(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -         

+ 2001:db8::2/128  20      -          rt2      -         

+ 2001:db8::3/128  20      -          rt3      -         

+ 2001:db8::4/128  20      -          rt4      -         

+ 2001:db8::5/128  30      -          rt4      -         

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+test# test isis topology 14 root rt1 lfa system-id rt2

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt1                                                                   

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.5/32        IP TE        30     rt4                  -         rt5(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.1/32  0       -          -        -         

+ 10.0.255.2/32  20      -          rt2      -         

+ 10.0.255.3/32  20      -          rt3      -         

+ 10.0.255.4/32  20      -          rt4      -         

+ 10.0.255.5/32  30      -          rt4      -         

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.2/32  20      -          rt3      -         

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt1                                                                   

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+2001:db8::4/128      IP6 internal 20     rt4                  -         rt4(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+2001:db8::5/128      IP6 internal 30     rt4                  -         rt5(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -         

+ 2001:db8::2/128  20      -          rt2      -         

+ 2001:db8::3/128  20      -          rt3      -         

+ 2001:db8::4/128  20      -          rt4      -         

+ 2001:db8::5/128  30      -          rt4      -         

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::2/128  20      -          rt3      -         

+

+test# test isis topology 14 root rt5 lfa system-id rt4

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt4                  TE-IS        10     rt4                  -         rt5(4)

+rt1                  pseudo_TE-IS 20     rt4                  -         rt4(4)

+rt1                  TE-IS        20     rt4                  -         rt1(2)

+rt3                  TE-IS        20     rt4                  -         rt1(2)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+rt2                  TE-IS        30     rt4                  -         rt1(4)

+                                                                        rt3(4)

+10.0.255.1/32        IP TE        30     rt4                  -         rt1(4)

+10.0.255.3/32        IP TE        30     rt4                  -         rt3(4)

+10.0.255.2/32        IP TE        40     rt4                  -         rt2(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.1/32  30      -          rt4      -         

+ 10.0.255.2/32  40      -          rt4      -         

+ 10.0.255.3/32  30      -          rt4      -         

+ 10.0.255.4/32  20      -          rt4      -         

+ 10.0.255.5/32  0       -          -        -         

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.1/32  60      -          rt3      -         

+ 10.0.255.2/32  60      -          rt3      -         

+ 10.0.255.3/32  50      -          rt3      -         

+ 10.0.255.4/32  60      -          rt3      -         

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+2001:db8::5/128      IP6 internal 0                                     rt5(4)

+rt4                  TE-IS        10     rt4                  -         rt5(4)

+rt1                  pseudo_TE-IS 20     rt4                  -         rt4(4)

+rt1                  TE-IS        20     rt4                  -         rt1(2)

+rt3                  TE-IS        20     rt4                  -         rt1(2)

+2001:db8::4/128      IP6 internal 20     rt4                  -         rt4(4)

+rt2                  TE-IS        30     rt4                  -         rt1(4)

+                                                                        rt3(4)

+2001:db8::1/128      IP6 internal 30     rt4                  -         rt1(4)

+2001:db8::3/128      IP6 internal 30     rt4                  -         rt3(4)

+2001:db8::2/128      IP6 internal 40     rt4                  -         rt2(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::1/128  30      -          rt4      -         

+ 2001:db8::2/128  40      -          rt4      -         

+ 2001:db8::3/128  30      -          rt4      -         

+ 2001:db8::4/128  20      -          rt4      -         

+ 2001:db8::5/128  0       -          -        -         

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::1/128  60      -          rt3      -         

+ 2001:db8::2/128  60      -          rt3      -         

+ 2001:db8::3/128  50      -          rt3      -         

+ 2001:db8::4/128  60      -          rt3      -         

+

+test# 

+test# test isis topology 1 root rt1 remote-lfa system-id rt2

+P-space (self):

+ rt3

+ rt5

+

+P-space (rt3):

+ rt3

+ rt5

+ rt6

+

+Q-space:

+ rt2

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt4                  TE-IS        40     rt3                  -         rt6(4)

+10.0.255.6/32        IP TE        40     rt3                  -         rt6(4)

+rt2                  TE-IS        50     rt3                  -         rt4(4)

+10.0.255.4/32        IP TE        50     rt3                  -         rt4(4)

+10.0.255.2/32        IP TE        60     rt3                  -         rt2(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+                                         rt3                  -         

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+                        -          rt3      16060          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.2/32  60      -          rt3      50600/16020  

+ 10.0.255.4/32  50      -          rt3      50600/16040  

+

+P-space (self):

+ rt3

+ rt5

+

+P-space (rt3):

+ rt3

+ rt5

+ rt6

+

+Q-space:

+ rt2

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt3                  -         rt5(4)

+2001:db8::5/128      IP6 internal 30     rt3                  -         rt5(4)

+rt4                  TE-IS        40     rt3                  -         rt6(4)

+2001:db8::6/128      IP6 internal 40     rt3                  -         rt6(4)

+rt2                  TE-IS        50     rt3                  -         rt4(4)

+2001:db8::4/128      IP6 internal 50     rt3                  -         rt4(4)

+2001:db8::2/128      IP6 internal 60     rt3                  -         rt2(4)

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+                                         rt3                  -         rt5(4)

+2001:db8::4/128      IP6 internal 30     rt2                  -         rt4(4)

+2001:db8::5/128      IP6 internal 30     rt3                  -         rt5(4)

+2001:db8::6/128      IP6 internal 40     rt2                  -         rt6(4)

+                                         rt3                  -         

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  0       -          -        -              

+ 2001:db8::2/128  20      -          rt2      implicit-null  

+ 2001:db8::3/128  20      -          rt3      implicit-null  

+ 2001:db8::4/128  30      -          rt2      16041          

+ 2001:db8::5/128  30      -          rt3      16051          

+ 2001:db8::6/128  40      -          rt2      16061          

+                          -          rt3      16061          

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)     

+ ----------------------------------------------------------

+ 2001:db8::2/128  60      -          rt3      50600/16021  

+ 2001:db8::4/128  50      -          rt3      50600/16041  

+

+test# test isis topology 2 root rt5 remote-lfa system-id rt1 pseudonode-id 1

+P-space (self):

+ rt6

+

+P-space (rt3):

+ rt1

+ rt2

+ rt3

+ rt4

+

+P-space (rt6):

+ rt4

+ rt6

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt4                  TE-IS        20     rt6                  -         rt6(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt1                  pseudo_TE-IS 30     rt6                  -         rt4(4)

+rt1                  TE-IS        30     rt6                  -         rt1(2)

+10.0.255.4/32        IP TE        30     rt6                  -         rt4(4)

+rt3                  TE-IS        40     rt3                  -         rt5(4)

+10.0.255.1/32        IP TE        40     rt6                  -         rt1(4)

+rt2                  TE-IS        45     rt6                  -         rt1(4)

+10.0.255.3/32        IP TE        50     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        55     rt6                  -         rt2(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt1                  TE-IS        10     rt1                  -         rt5(4)

+rt4                  TE-IS        10     rt4                  -         rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt1                  pseudo_TE-IS 20     rt1                  -         rt1(4)

+                                         rt4                  -         rt4(4)

+10.0.255.1/32        IP TE        20     rt1                  -         rt1(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt2                  TE-IS        25     rt1                  -         rt1(4)

+10.0.255.2/32        IP TE        35     rt1                  -         rt2(4)

+rt3                  TE-IS        40     rt3                  -         rt5(4)

+                                         rt1                  -         rt1(4)

+10.0.255.3/32        IP TE        50     rt3                  -         rt3(4)

+                                         rt1                  -         

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  20      -          rt1      implicit-null  

+ 10.0.255.2/32  35      -          rt1      16020          

+ 10.0.255.3/32  50      -          rt3      implicit-null  

+                        -          rt1      implicit-null  

+ 10.0.255.4/32  20      -          rt4      implicit-null  

+ 10.0.255.5/32  0       -          -        -              

+ 10.0.255.6/32  20      -          rt6      implicit-null  

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.1/32  40      -          rt6      50400/16010  

+ 10.0.255.2/32  55      -          rt6      50400/16020  

+ 10.0.255.4/32  30      -          rt6      50400/16040  

+

+P-space (self):

+ rt6

+

+P-space (rt3):

+ rt1

+ rt2

+ rt3

+ rt4

+

+P-space (rt6):

+ rt4

+ rt6

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+2001:db8::5/128      IP6 internal 0                                     rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt4                  TE-IS        20     rt6                  -         rt6(4)

+2001:db8::6/128      IP6 internal 20     rt6                  -         rt6(4)

+rt1                  pseudo_TE-IS 30     rt6                  -         rt4(4)

+rt1                  TE-IS        30     rt6                  -         rt1(2)

+2001:db8::4/128      IP6 internal 30     rt6                  -         rt4(4)

+rt3                  TE-IS        40     rt3                  -         rt5(4)

+2001:db8::1/128      IP6 internal 40     rt6                  -         rt1(4)

+rt2                  TE-IS        45     rt6                  -         rt1(4)

+2001:db8::3/128      IP6 internal 50     rt3                  -         rt3(4)

+2001:db8::2/128      IP6 internal 55     rt6                  -         rt2(4)

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+2001:db8::5/128      IP6 internal 0                                     rt5(4)

+rt1                  TE-IS        10     rt1                  -         rt5(4)

+rt4                  TE-IS        10     rt4                  -         rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt1                  pseudo_TE-IS 20     rt1                  -         rt1(4)

+                                         rt4                  -         rt4(4)

+2001:db8::1/128      IP6 internal 20     rt1                  -         rt1(4)

+2001:db8::4/128      IP6 internal 20     rt4                  -         rt4(4)

+2001:db8::6/128      IP6 internal 20     rt6                  -         rt6(4)

+rt2                  TE-IS        25     rt1                  -         rt1(4)

+2001:db8::2/128      IP6 internal 35     rt1                  -         rt2(4)

+rt3                  TE-IS        40     rt3                  -         rt5(4)

+                                         rt1                  -         rt1(4)

+2001:db8::3/128      IP6 internal 50     rt3                  -         rt3(4)

+                                         rt1                  -         

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  20      -          rt1      implicit-null  

+ 2001:db8::2/128  35      -          rt1      16021          

+ 2001:db8::3/128  50      -          rt3      implicit-null  

+                          -          rt1      implicit-null  

+ 2001:db8::4/128  20      -          rt4      implicit-null  

+ 2001:db8::5/128  0       -          -        -              

+ 2001:db8::6/128  20      -          rt6      implicit-null  

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)     

+ ----------------------------------------------------------

+ 2001:db8::1/128  40      -          rt6      50400/16011  

+ 2001:db8::2/128  55      -          rt6      50400/16021  

+ 2001:db8::4/128  30      -          rt6      50400/16041  

+

+test# test isis topology 3 root rt5 remote-lfa system-id rt4 ipv4-only

+P-space (self):

+ rt6

+

+P-space (rt3):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+P-space (rt6):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt4                  TE-IS        20     rt6                  -         rt6(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt3                  TE-IS        30     rt3                  -         rt5(4)

+rt2                  TE-IS        30     rt6                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt6                  -         rt4(4)

+rt1                  TE-IS        40     rt3                  -         rt3(4)

+                                         rt6                  -         rt2(4)

+10.0.255.3/32        IP TE        40     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        40     rt6                  -         rt2(4)

+10.0.255.1/32        IP TE        50     rt3                  -         rt1(4)

+                                         rt6                  -         

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt4                  TE-IS        10     rt4                  -         rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt2                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt3                  TE-IS        30     rt3                  -         rt5(4)

+                                         rt4                  -         rt2(4)

+rt1                  TE-IS        30     rt4                  -         rt2(4)

+10.0.255.2/32        IP TE        30     rt4                  -         rt2(4)

+10.0.255.3/32        IP TE        40     rt3                  -         rt3(4)

+                                         rt4                  -         

+10.0.255.1/32        IP TE        40     rt4                  -         rt1(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  40      -          rt4      16010          

+ 10.0.255.2/32  30      -          rt4      16020          

+ 10.0.255.3/32  40      -          rt3      implicit-null  

+                        -          rt4      implicit-null  

+ 10.0.255.4/32  20      -          rt4      implicit-null  

+ 10.0.255.5/32  0       -          -        -              

+ 10.0.255.6/32  20      -          rt6      implicit-null  

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.1/32  40      -          rt3      16010     

+                        -          rt6      16010     

+ 10.0.255.2/32  30      -          rt3      16020     

+                        -          rt6      16020     

+ 10.0.255.4/32  20      -          rt3      16040     

+                        -          rt6      16040     

+

+test# test isis topology 3 root rt5 remote-lfa system-id rt3 ipv4-only

+P-space (self):

+ rt1

+ rt2

+ rt4

+ rt6

+

+P-space (rt4):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+P-space (rt6):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt4                  TE-IS        10     rt4                  -         rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt2                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt1                  TE-IS        30     rt4                  -         rt2(4)

+rt3                  TE-IS        30     rt4                  -         rt2(4)

+10.0.255.2/32        IP TE        30     rt4                  -         rt2(4)

+10.0.255.1/32        IP TE        40     rt4                  -         rt1(4)

+10.0.255.3/32        IP TE        40     rt4                  -         rt3(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt4                  TE-IS        10     rt4                  -         rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt2                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt3                  TE-IS        30     rt3                  -         rt5(4)

+                                         rt4                  -         rt2(4)

+rt1                  TE-IS        30     rt4                  -         rt2(4)

+10.0.255.2/32        IP TE        30     rt4                  -         rt2(4)

+10.0.255.3/32        IP TE        40     rt3                  -         rt3(4)

+                                         rt4                  -         

+10.0.255.1/32        IP TE        40     rt4                  -         rt1(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  40      -          rt4      16010          

+ 10.0.255.2/32  30      -          rt4      16020          

+ 10.0.255.3/32  40      -          rt3      implicit-null  

+                        -          rt4      implicit-null  

+ 10.0.255.4/32  20      -          rt4      implicit-null  

+ 10.0.255.5/32  0       -          -        -              

+ 10.0.255.6/32  20      -          rt6      implicit-null  

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+test# test isis topology 5 root rt1 remote-lfa system-id rt2 ipv4-only

+P-space (self):

+ rt3

+ rt5

+ rt7

+

+P-space (rt3):

+ rt3

+ rt5

+ rt7

+ rt8

+

+Q-space:

+ rt2

+ rt4

+ rt6

+ rt8

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt8                  TE-IS        40     rt3                  -         rt7(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+rt6                  TE-IS        50     rt3                  -         rt8(4)

+10.0.255.8/32        IP TE        50     rt3                  -         rt8(4)

+rt4                  TE-IS        60     rt3                  -         rt6(4)

+10.0.255.6/32        IP TE        60     rt3                  -         rt6(4)

+rt2                  TE-IS        70     rt3                  -         rt4(4)

+10.0.255.4/32        IP TE        70     rt3                  -         rt4(4)

+10.0.255.2/32        IP TE        80     rt3                  -         rt2(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt8                  TE-IS        40     rt2                  -         rt6(4)

+                                         rt3                  -         rt7(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+10.0.255.8/32        IP TE        50     rt2                  -         rt8(4)

+                                         rt3                  -         

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  40      -          rt2      16060          

+ 10.0.255.7/32  40      -          rt3      16070          

+ 10.0.255.8/32  50      -          rt2      16080          

+                        -          rt3      16080          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.2/32  80      -          rt3      50800/16020  

+ 10.0.255.4/32  70      -          rt3      50800/16040  

+ 10.0.255.6/32  60      -          rt3      50800/16060  

+

+test# test isis topology 6 root rt4 remote-lfa system-id rt3 ipv4-only

+P-space (self):

+ rt2

+ rt5

+ rt6

+ rt7

+ rt8

+

+P-space (rt2):

+ rt1

+ rt2

+

+P-space (rt6):

+ rt5

+ rt6

+ rt7

+ rt8

+

+Q-space:

+ rt1

+ rt3

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+10.0.255.4/32        IP internal  0                                     rt4(4)

+rt2                  TE-IS        10     rt2                  -         rt4(4)

+rt6                  TE-IS        10     rt6                  -         rt4(4)

+rt1                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt6                  -         rt6(4)

+rt8                  TE-IS        20     rt6                  -         rt6(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt3                  TE-IS        30     rt2                  -         rt1(4)

+rt7                  TE-IS        30     rt6                  -         rt5(4)

+                                                                        rt8(4)

+10.0.255.1/32        IP TE        30     rt2                  -         rt1(4)

+10.0.255.5/32        IP TE        30     rt6                  -         rt5(4)

+10.0.255.8/32        IP TE        30     rt6                  -         rt8(4)

+10.0.255.3/32        IP TE        40     rt2                  -         rt3(4)

+10.0.255.7/32        IP TE        40     rt6                  -         rt7(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+10.0.255.4/32        IP internal  0                                     rt4(4)

+rt2                  TE-IS        10     rt2                  -         rt4(4)

+rt3                  TE-IS        10     rt3                  -         rt4(4)

+rt6                  TE-IS        10     rt6                  -         rt4(4)

+rt1                  TE-IS        20     rt2                  -         rt2(4)

+                                         rt3                  -         rt3(4)

+rt5                  TE-IS        20     rt6                  -         rt6(4)

+rt8                  TE-IS        20     rt6                  -         rt6(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt7                  TE-IS        30     rt6                  -         rt5(4)

+                                                                        rt8(4)

+10.0.255.1/32        IP TE        30     rt2                  -         rt1(4)

+                                         rt3                  -         

+10.0.255.5/32        IP TE        30     rt6                  -         rt5(4)

+10.0.255.8/32        IP TE        30     rt6                  -         rt8(4)

+10.0.255.7/32        IP TE        40     rt6                  -         rt7(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  30      -          rt2      16010          

+                        -          rt3      16010          

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  0       -          -        -              

+ 10.0.255.5/32  30      -          rt6      16050          

+ 10.0.255.6/32  20      -          rt6      implicit-null  

+ 10.0.255.7/32  40      -          rt6      16070          

+ 10.0.255.8/32  30      -          rt6      16080          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.3/32  40      -          rt2      50100/16030  

+

+test# test isis topology 7 root rt11 remote-lfa system-id rt8 ipv4-only

+P-space (self):

+ rt10

+ rt12

+

+P-space (rt10):

+ rt1

+ rt4

+ rt7

+ rt10

+

+P-space (rt12):

+ rt9

+ rt12

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt5

+ rt6

+ rt7

+ rt8

+ rt9

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt11                                                                  

+10.0.255.11/32       IP internal  0                                     rt11(4)

+rt10                 TE-IS        10     rt10                 -         rt11(4)

+rt12                 TE-IS        10     rt12                 -         rt11(4)

+rt9                  TE-IS        20     rt12                 -         rt12(4)

+10.0.255.10/32       IP TE        20     rt10                 -         rt10(4)

+10.0.255.12/32       IP TE        20     rt12                 -         rt12(4)

+rt7                  TE-IS        30     rt10                 -         rt10(4)

+rt8                  TE-IS        30     rt12                 -         rt9(4)

+10.0.255.9/32        IP TE        30     rt12                 -         rt9(4)

+rt4                  TE-IS        40     rt10                 -         rt7(4)

+rt5                  TE-IS        40     rt12                 -         rt8(4)

+10.0.255.7/32        IP TE        40     rt10                 -         rt7(4)

+10.0.255.8/32        IP TE        40     rt12                 -         rt8(4)

+rt6                  TE-IS        50     rt12                 -         rt9(4)

+                                                                        rt5(4)

+rt1                  TE-IS        50     rt10                 -         rt4(4)

+rt2                  TE-IS        50     rt12                 -         rt5(4)

+10.0.255.4/32        IP TE        50     rt10                 -         rt4(4)

+10.0.255.5/32        IP TE        50     rt12                 -         rt5(4)

+rt3                  TE-IS        60     rt12                 -         rt6(4)

+                                                                        rt2(4)

+10.0.255.6/32        IP TE        60     rt12                 -         rt6(4)

+10.0.255.1/32        IP TE        60     rt10                 -         rt1(4)

+10.0.255.2/32        IP TE        60     rt12                 -         rt2(4)

+10.0.255.3/32        IP TE        70     rt12                 -         rt3(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt11                                                                  

+10.0.255.11/32       IP internal  0                                     rt11(4)

+rt8                  TE-IS        10     rt8                  -         rt11(4)

+rt10                 TE-IS        10     rt10                 -         rt11(4)

+rt12                 TE-IS        10     rt12                 -         rt11(4)

+rt5                  TE-IS        20     rt8                  -         rt8(4)

+rt7                  TE-IS        20     rt8                  -         rt8(4)

+rt9                  TE-IS        20     rt8                  -         rt8(4)

+                                         rt12                 -         rt12(4)

+10.0.255.8/32        IP TE        20     rt8                  -         rt8(4)

+10.0.255.10/32       IP TE        20     rt10                 -         rt10(4)

+10.0.255.12/32       IP TE        20     rt12                 -         rt12(4)

+rt2                  TE-IS        30     rt8                  -         rt5(4)

+rt4                  TE-IS        30     rt8                  -         rt5(4)

+                                                                        rt7(4)

+rt6                  TE-IS        30     rt8                  -         rt5(4)

+10.0.255.5/32        IP TE        30     rt8                  -         rt5(4)

+10.0.255.7/32        IP TE        30     rt8                  -         rt7(4)

+10.0.255.9/32        IP TE        30     rt8                  -         rt9(4)

+                                         rt12                 -         

+rt3                  TE-IS        40     rt8                  -         rt2(4)

+                                                                        rt6(4)

+rt1                  TE-IS        40     rt8                  -         rt4(4)

+10.0.255.2/32        IP TE        40     rt8                  -         rt2(4)

+10.0.255.4/32        IP TE        40     rt8                  -         rt4(4)

+10.0.255.6/32        IP TE        40     rt8                  -         rt6(4)

+10.0.255.3/32        IP TE        50     rt8                  -         rt3(4)

+10.0.255.1/32        IP TE        50     rt8                  -         rt1(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   50      -          rt8      16010          

+ 10.0.255.2/32   40      -          rt8      16020          

+ 10.0.255.3/32   50      -          rt8      16030          

+ 10.0.255.4/32   40      -          rt8      16040          

+ 10.0.255.5/32   30      -          rt8      16050          

+ 10.0.255.6/32   40      -          rt8      16060          

+ 10.0.255.7/32   30      -          rt8      16070          

+ 10.0.255.8/32   20      -          rt8      implicit-null  

+ 10.0.255.9/32   30      -          rt8      16090          

+                         -          rt12     16090          

+ 10.0.255.10/32  20      -          rt10     implicit-null  

+ 10.0.255.11/32  0       -          -        -              

+ 10.0.255.12/32  20      -          rt12     implicit-null  

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.1/32  50      -          rt10     16010        

+ 10.0.255.2/32  60      -          rt12     50900/16020  

+ 10.0.255.3/32  70      -          rt12     50900/16030  

+ 10.0.255.4/32  40      -          rt10     16040        

+ 10.0.255.5/32  50      -          rt12     50900/16050  

+ 10.0.255.6/32  60      -          rt12     50900/16060  

+ 10.0.255.7/32  30      -          rt10     16070        

+ 10.0.255.8/32  40      -          rt12     50900/16080  

+

+test# test isis topology 7 root rt6 remote-lfa system-id rt5 ipv4-only

+P-space (self):

+ rt3

+

+P-space (rt3):

+ rt2

+ rt3

+

+P-space (rt9):

+ rt1

+ rt2

+ rt4

+ rt5

+ rt7

+ rt8

+ rt9

+ rt10

+ rt11

+ rt12

+

+Q-space:

+ rt1

+ rt2

+ rt4

+ rt5

+ rt7

+ rt8

+ rt9

+ rt10

+ rt11

+ rt12

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt6                                                                   

+10.0.255.6/32        IP internal  0                                     rt6(4)

+rt3                  TE-IS        10     rt3                  -         rt6(4)

+rt2                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt9                  TE-IS        30     rt9                  -         rt6(4)

+rt5                  TE-IS        30     rt3                  -         rt2(4)

+10.0.255.2/32        IP TE        30     rt3                  -         rt2(4)

+rt8                  TE-IS        40     rt9                  -         rt9(4)

+                                         rt3                  -         rt5(4)

+rt12                 TE-IS        40     rt9                  -         rt9(4)

+rt4                  TE-IS        40     rt3                  -         rt5(4)

+10.0.255.9/32        IP TE        40     rt9                  -         rt9(4)

+10.0.255.5/32        IP TE        40     rt3                  -         rt5(4)

+rt7                  TE-IS        50     rt9                  -         rt8(4)

+                                         rt3                  -         rt4(4)

+rt11                 TE-IS        50     rt9                  -         rt8(4)

+                                         rt3                  -         rt12(4)

+rt1                  TE-IS        50     rt3                  -         rt4(4)

+10.0.255.8/32        IP TE        50     rt9                  -         rt8(4)

+                                         rt3                  -         

+10.0.255.12/32       IP TE        50     rt9                  -         rt12(4)

+10.0.255.4/32        IP TE        50     rt3                  -         rt4(4)

+rt10                 TE-IS        60     rt9                  -         rt11(4)

+                                         rt3                  -         

+10.0.255.7/32        IP TE        60     rt9                  -         rt7(4)

+                                         rt3                  -         

+10.0.255.11/32       IP TE        60     rt9                  -         rt11(4)

+                                         rt3                  -         

+10.0.255.1/32        IP TE        60     rt3                  -         rt1(4)

+10.0.255.10/32       IP TE        70     rt9                  -         rt10(4)

+                                         rt3                  -         

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt6                                                                   

+10.0.255.6/32        IP internal  0                                     rt6(4)

+rt3                  TE-IS        10     rt3                  -         rt6(4)

+rt5                  TE-IS        10     rt5                  -         rt6(4)

+rt2                  TE-IS        20     rt3                  -         rt3(4)

+                                         rt5                  -         rt5(4)

+rt4                  TE-IS        20     rt5                  -         rt5(4)

+rt8                  TE-IS        20     rt5                  -         rt5(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+rt9                  TE-IS        30     rt9                  -         rt6(4)

+                                         rt5                  -         rt8(4)

+rt1                  TE-IS        30     rt5                  -         rt4(4)

+rt7                  TE-IS        30     rt5                  -         rt4(4)

+                                                                        rt8(4)

+rt11                 TE-IS        30     rt5                  -         rt8(4)

+10.0.255.2/32        IP TE        30     rt3                  -         rt2(4)

+                                         rt5                  -         

+10.0.255.4/32        IP TE        30     rt5                  -         rt4(4)

+10.0.255.8/32        IP TE        30     rt5                  -         rt8(4)

+rt12                 TE-IS        40     rt9                  -         rt9(4)

+                                         rt5                  -         rt11(4)

+rt10                 TE-IS        40     rt5                  -         rt11(4)

+10.0.255.9/32        IP TE        40     rt9                  -         rt9(4)

+                                         rt5                  -         

+10.0.255.1/32        IP TE        40     rt5                  -         rt1(4)

+10.0.255.7/32        IP TE        40     rt5                  -         rt7(4)

+10.0.255.11/32       IP TE        40     rt5                  -         rt11(4)

+10.0.255.12/32       IP TE        50     rt9                  -         rt12(4)

+                                         rt5                  -         

+10.0.255.10/32       IP TE        50     rt5                  -         rt10(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   40      -          rt5      16010          

+ 10.0.255.2/32   30      -          rt3      16020          

+                         -          rt5      16020          

+ 10.0.255.3/32   20      -          rt3      implicit-null  

+ 10.0.255.4/32   30      -          rt5      16040          

+ 10.0.255.5/32   20      -          rt5      implicit-null  

+ 10.0.255.6/32   0       -          -        -              

+ 10.0.255.7/32   40      -          rt5      16070          

+ 10.0.255.8/32   30      -          rt5      16080          

+ 10.0.255.9/32   40      -          rt9      implicit-null  

+                         -          rt5      implicit-null  

+ 10.0.255.10/32  50      -          rt5      16100          

+ 10.0.255.11/32  40      -          rt5      16110          

+ 10.0.255.12/32  50      -          rt9      16120          

+                         -          rt5      16120          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)  

+ ------------------------------------------------------

+ 10.0.255.1/32   70      -          rt9      16010     

+ 10.0.255.4/32   60      -          rt9      16040     

+ 10.0.255.5/32   50      -          rt9      16050     

+ 10.0.255.7/32   50      -          rt9      16070     

+ 10.0.255.8/32   40      -          rt9      16080     

+ 10.0.255.10/32  60      -          rt9      16100     

+ 10.0.255.11/32  50      -          rt9      16110     

+

+test# test isis topology 8 root rt2 remote-lfa system-id rt5 ipv4-only

+P-space (self):

+ rt1

+ rt3

+ rt4

+ rt7

+ rt10

+

+P-space (rt1):

+ rt1

+ rt4

+ rt7

+ rt10

+

+P-space (rt3):

+ rt3

+ rt6

+

+Q-space:

+ rt5

+ rt6

+ rt8

+ rt9

+ rt11

+ rt12

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+10.0.255.2/32        IP internal  0                                     rt2(4)

+rt1                  TE-IS        10     rt1                  -         rt2(4)

+rt3                  TE-IS        10     rt3                  -         rt2(4)

+rt4                  TE-IS        20     rt1                  -         rt1(4)

+rt6                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.1/32        IP TE        20     rt1                  -         rt1(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt1                  -         rt4(4)

+rt5                  TE-IS        30     rt3                  -         rt6(4)

+10.0.255.4/32        IP TE        30     rt1                  -         rt4(4)

+10.0.255.6/32        IP TE        30     rt3                  -         rt6(4)

+rt10                 TE-IS        40     rt1                  -         rt7(4)

+rt8                  TE-IS        40     rt3                  -         rt5(4)

+10.0.255.7/32        IP TE        40     rt1                  -         rt7(4)

+10.0.255.5/32        IP TE        40     rt3                  -         rt5(4)

+rt9                  TE-IS        50     rt3                  -         rt8(4)

+rt11                 TE-IS        50     rt3                  -         rt8(4)

+10.0.255.10/32       IP TE        50     rt1                  -         rt10(4)

+10.0.255.8/32        IP TE        50     rt3                  -         rt8(4)

+rt12                 TE-IS        60     rt3                  -         rt9(4)

+                                                                        rt11(4)

+10.0.255.9/32        IP TE        60     rt3                  -         rt9(4)

+10.0.255.11/32       IP TE        60     rt3                  -         rt11(4)

+10.0.255.12/32       IP TE        70     rt3                  -         rt12(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+10.0.255.2/32        IP internal  0                                     rt2(4)

+rt1                  TE-IS        10     rt1                  -         rt2(4)

+rt3                  TE-IS        10     rt3                  -         rt2(4)

+rt5                  TE-IS        10     rt5                  -         rt2(4)

+rt4                  TE-IS        20     rt1                  -         rt1(4)

+rt6                  TE-IS        20     rt3                  -         rt3(4)

+                                         rt5                  -         rt5(4)

+rt8                  TE-IS        20     rt5                  -         rt5(4)

+10.0.255.1/32        IP TE        20     rt1                  -         rt1(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+rt7                  TE-IS        30     rt1                  -         rt4(4)

+rt9                  TE-IS        30     rt5                  -         rt8(4)

+rt11                 TE-IS        30     rt5                  -         rt8(4)

+10.0.255.4/32        IP TE        30     rt1                  -         rt4(4)

+10.0.255.6/32        IP TE        30     rt3                  -         rt6(4)

+                                         rt5                  -         

+10.0.255.8/32        IP TE        30     rt5                  -         rt8(4)

+rt10                 TE-IS        40     rt1                  -         rt7(4)

+rt12                 TE-IS        40     rt5                  -         rt9(4)

+                                                                        rt11(4)

+10.0.255.7/32        IP TE        40     rt1                  -         rt7(4)

+10.0.255.9/32        IP TE        40     rt5                  -         rt9(4)

+10.0.255.11/32       IP TE        40     rt5                  -         rt11(4)

+10.0.255.10/32       IP TE        50     rt1                  -         rt10(4)

+10.0.255.12/32       IP TE        50     rt5                  -         rt12(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)       

+ -----------------------------------------------------------

+ 10.0.255.1/32   20      -          rt1      implicit-null  

+ 10.0.255.2/32   0       -          -        -              

+ 10.0.255.3/32   20      -          rt3      implicit-null  

+ 10.0.255.4/32   30      -          rt1      16040          

+ 10.0.255.5/32   20      -          rt5      implicit-null  

+ 10.0.255.6/32   30      -          rt3      16060          

+                         -          rt5      16060          

+ 10.0.255.7/32   40      -          rt1      16070          

+ 10.0.255.8/32   30      -          rt5      16080          

+ 10.0.255.9/32   40      -          rt5      16090          

+ 10.0.255.10/32  50      -          rt1      16100          

+ 10.0.255.11/32  40      -          rt5      16110          

+ 10.0.255.12/32  50      -          rt5      16120          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)     

+ ---------------------------------------------------------

+ 10.0.255.5/32   40      -          rt3      50600/16050  

+ 10.0.255.8/32   50      -          rt3      50600/16080  

+ 10.0.255.9/32   60      -          rt3      50600/16090  

+ 10.0.255.11/32  60      -          rt3      50600/16110  

+ 10.0.255.12/32  70      -          rt3      50600/16120  

+

+test# test isis topology 11 root rt2 remote-lfa system-id rt4

+P-space (self):

+

+P-space (rt1):

+ rt1

+ rt3

+ rt5

+

+P-space (rt3):

+ rt1

+ rt3

+ rt5

+ rt6

+

+Q-space:

+ rt1

+ rt3

+ rt4

+ rt5

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+10.0.255.2/32        IP internal  0                                     rt2(4)

+rt1                  TE-IS        50     rt1                  -         rt2(4)

+rt3                  TE-IS        50     rt3                  -         rt2(4)

+rt2                                                                   

+rt5                  TE-IS        60     rt3                  -         rt3(4)

+10.0.255.1/32        IP TE        60     rt1                  -         rt1(4)

+10.0.255.3/32        IP TE        60     rt3                  -         rt3(4)

+rt4                  TE-IS        70     rt3                  -         rt5(4)

+rt6                  TE-IS        70     rt3                  -         rt5(4)

+10.0.255.5/32        IP TE        70     rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        80     rt3                  -         rt4(4)

+10.0.255.6/32        IP TE        80     rt3                  -         rt6(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+10.0.255.2/32        IP internal  0                                     rt2(4)

+rt4                  TE-IS        10     rt4                  -         rt2(4)

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+rt6                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+rt3                  TE-IS        30     rt4                  -         rt5(4)

+10.0.255.5/32        IP TE        30     rt4                  -         rt5(4)

+10.0.255.6/32        IP TE        30     rt4                  -         rt6(4)

+rt2                                                                   

+rt1                  TE-IS        40     rt4                  -         rt2(2)

+10.0.255.3/32        IP TE        40     rt4                  -         rt3(4)

+10.0.255.1/32        IP TE        50     rt4                  -         rt1(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  50      -          rt4      16010          

+ 10.0.255.2/32  0       -          -        -              

+ 10.0.255.3/32  40      -          rt4      16030          

+ 10.0.255.4/32  20      -          rt4      implicit-null  

+ 10.0.255.5/32  30      -          rt4      16050          

+ 10.0.255.6/32  30      -          rt4      16060          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  50      -          rt1      implicit-null  

+                        -          rt3      16010          

+ 10.0.255.3/32  50      -          rt1      16030          

+                        -          rt3      implicit-null  

+ 10.0.255.4/32  80      -          rt3      50500/16040    

+ 10.0.255.5/32  60      -          rt1      16050          

+                        -          rt3      16050          

+ 10.0.255.6/32  70      -          rt3      16060          

+

+P-space (self):

+

+P-space (rt1):

+ rt1

+ rt3

+ rt5

+

+P-space (rt3):

+ rt1

+ rt3

+ rt5

+ rt6

+

+Q-space:

+ rt1

+ rt3

+ rt4

+ rt5

+ rt6

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+2001:db8::2/128      IP6 internal 0                                     rt2(4)

+rt1                  TE-IS        50     rt1                  -         rt2(4)

+rt3                  TE-IS        50     rt3                  -         rt2(4)

+rt2                                                                   

+rt5                  TE-IS        60     rt3                  -         rt3(4)

+2001:db8::1/128      IP6 internal 60     rt1                  -         rt1(4)

+2001:db8::3/128      IP6 internal 60     rt3                  -         rt3(4)

+rt4                  TE-IS        70     rt3                  -         rt5(4)

+rt6                  TE-IS        70     rt3                  -         rt5(4)

+2001:db8::5/128      IP6 internal 70     rt3                  -         rt5(4)

+2001:db8::4/128      IP6 internal 80     rt3                  -         rt4(4)

+2001:db8::6/128      IP6 internal 80     rt3                  -         rt6(4)

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+2001:db8::2/128      IP6 internal 0                                     rt2(4)

+rt4                  TE-IS        10     rt4                  -         rt2(4)

+rt5                  TE-IS        20     rt4                  -         rt4(4)

+rt6                  TE-IS        20     rt4                  -         rt4(4)

+2001:db8::4/128      IP6 internal 20     rt4                  -         rt4(4)

+rt3                  TE-IS        30     rt4                  -         rt5(4)

+2001:db8::5/128      IP6 internal 30     rt4                  -         rt5(4)

+2001:db8::6/128      IP6 internal 30     rt4                  -         rt6(4)

+rt2                                                                   

+rt1                  TE-IS        40     rt4                  -         rt2(2)

+2001:db8::3/128      IP6 internal 40     rt4                  -         rt3(4)

+2001:db8::1/128      IP6 internal 50     rt4                  -         rt1(4)

+

+Main:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  50      -          rt4      16011          

+ 2001:db8::2/128  0       -          -        -              

+ 2001:db8::3/128  40      -          rt4      16031          

+ 2001:db8::4/128  20      -          rt4      implicit-null  

+ 2001:db8::5/128  30      -          rt4      16051          

+ 2001:db8::6/128  30      -          rt4      16061          

+

+Backup:

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  50      -          rt1      implicit-null  

+                          -          rt3      16011          

+ 2001:db8::3/128  50      -          rt1      16031          

+                          -          rt3      implicit-null  

+ 2001:db8::4/128  80      -          rt3      50500/16041    

+ 2001:db8::5/128  60      -          rt1      16051          

+                          -          rt3      16051          

+ 2001:db8::6/128  70      -          rt3      16061          

+

+test# test isis topology 13 root rt1 remote-lfa system-id rt3 ipv4-only

+P-space (self):

+ rt2

+

+P-space (rt2):

+ rt2

+ rt4

+

+Q-space:

+ rt3

+ rt4

+ rt5

+ rt6

+ rt7

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+rt3                  TE-IS        30     rt2                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+rt5                  TE-IS        40     rt2                  -         rt3(4)

+rt6                  TE-IS        40     rt2                  -         rt3(4)

+10.0.255.3/32        IP TE        40     rt2                  -         rt3(4)

+rt7                  TE-IS        50     rt2                  -         rt5(4)

+                                                                        rt6(4)

+10.0.255.5/32        IP TE        50     rt2                  -         rt5(4)

+10.0.255.6/32        IP TE        50     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        60     rt2                  -         rt7(4)

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+                                         rt3                  -         rt3(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+rt6                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+                                                                        rt6(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+                                         rt3                  -         

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.6/32        IP TE        30     rt3                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+

+Main:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  0       -          -        -              

+ 10.0.255.2/32  20      -          rt2      implicit-null  

+ 10.0.255.3/32  20      -          rt3      implicit-null  

+ 10.0.255.4/32  30      -          rt2      16040          

+                        -          rt3      16040          

+ 10.0.255.5/32  30      -          rt3      16050          

+ 10.0.255.6/32  30      -          rt3      16060          

+ 10.0.255.7/32  40      -          rt3      16070          

+

+Backup:

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.3/32  40      -          rt2      50400/16030  

+ 10.0.255.5/32  50      -          rt2      50400/16050  

+ 10.0.255.6/32  50      -          rt2      50400/16060  

+ 10.0.255.7/32  60      -          rt2      50400/16070  

+

+test# 

+test# test isis topology 1 root rt1 ti-lfa system-id rt2

+P-space (self):

+ rt3

+ rt5

+

+P-space (rt3):

+ rt3

+ rt5

+ rt6

+

+Q-space:

+ rt2

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt4                  TE-IS        40     rt3                  -         rt6(4)

+10.0.255.6/32        IP TE        40     rt3                  -         rt6(4)

+rt2                  TE-IS        50     rt3                  -         rt4(4)

+10.0.255.4/32        IP TE        50     rt3                  -         rt4(4)

+10.0.255.2/32        IP TE        60     rt3                  -         rt2(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.2/32  60      -          rt3      16060/16020  

+ 10.0.255.4/32  50      -          rt3      16060/16040  

+

+P-space (self):

+ rt3

+ rt5

+

+P-space (rt3):

+ rt3

+ rt5

+ rt6

+

+Q-space:

+ rt2

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt6                  TE-IS        30     rt3                  -         rt5(4)

+2001:db8::5/128      IP6 internal 30     rt3                  -         rt5(4)

+rt4                  TE-IS        40     rt3                  -         rt6(4)

+2001:db8::6/128      IP6 internal 40     rt3                  -         rt6(4)

+rt2                  TE-IS        50     rt3                  -         rt4(4)

+2001:db8::4/128      IP6 internal 50     rt3                  -         rt4(4)

+2001:db8::2/128      IP6 internal 60     rt3                  -         rt2(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)     

+ ----------------------------------------------------------

+ 2001:db8::2/128  60      -          rt3      16061/16021  

+ 2001:db8::4/128  50      -          rt3      16061/16041  

+

+test# test isis topology 2 root rt1 ti-lfa system-id rt3

+P-space (self):

+ rt2

+ rt4

+ rt5

+ rt6

+

+P-space (rt2):

+ rt2

+

+P-space (rt4):

+ rt2

+ rt4

+ rt5

+ rt6

+

+P-space (rt5):

+ rt2

+ rt4

+ rt5

+ rt6

+

+Q-space:

+ rt3

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt5                  TE-IS        10     rt5                  -         rt1(4)

+rt2                  TE-IS        15     rt2                  -         rt1(4)

+rt1                                                                   

+rt6                  TE-IS        20     rt4                  -         rt4(4)

+                                         rt5                  -         rt5(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+10.0.255.2/32        IP TE        25     rt2                  -         rt2(4)

+10.0.255.6/32        IP TE        30     rt4                  -         rt6(4)

+                                         rt5                  -         

+rt3                  TE-IS        50     rt5                  -         rt5(4)

+10.0.255.3/32        IP TE        60     rt5                  -         rt3(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.3/32  60      -          rt5      16050/18  

+

+P-space (self):

+ rt2

+ rt4

+ rt5

+ rt6

+

+P-space (rt2):

+ rt2

+

+P-space (rt4):

+ rt2

+ rt4

+ rt5

+ rt6

+

+P-space (rt5):

+ rt2

+ rt4

+ rt5

+ rt6

+

+Q-space:

+ rt3

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt4                  TE-IS        10     rt4                  -         rt1(4)

+rt5                  TE-IS        10     rt5                  -         rt1(4)

+rt2                  TE-IS        15     rt2                  -         rt1(4)

+rt1                                                                   

+rt6                  TE-IS        20     rt4                  -         rt4(4)

+                                         rt5                  -         rt5(4)

+2001:db8::4/128      IP6 internal 20     rt4                  -         rt4(4)

+2001:db8::5/128      IP6 internal 20     rt5                  -         rt5(4)

+2001:db8::2/128      IP6 internal 25     rt2                  -         rt2(4)

+2001:db8::6/128      IP6 internal 30     rt4                  -         rt6(4)

+                                         rt5                  -         

+rt3                  TE-IS        50     rt5                  -         rt5(4)

+2001:db8::3/128      IP6 internal 60     rt5                  -         rt3(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::3/128  60      -          rt5      16051/19  

+

+test# test isis topology 2 root rt1 ti-lfa system-id rt1 pseudonode-id 1

+P-space (self):

+ rt2

+ rt3

+

+P-space (rt2):

+ rt2

+ rt3

+

+P-space (rt3):

+ rt2

+ rt3

+

+Q-space:

+ rt4

+ rt5

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        15     rt2                  -         rt1(4)

+10.0.255.2/32        IP TE        25     rt2                  -         rt2(4)

+rt3                  TE-IS        30     rt3                  -         rt1(4)

+10.0.255.3/32        IP TE        40     rt3                  -         rt3(4)

+rt4                  TE-IS        55     rt2                  -         rt2(4)

+rt1                                                                   

+rt6                  TE-IS        65     rt2                  -         rt4(4)

+rt5                  TE-IS        65     rt2                  -         rt1(2)

+10.0.255.4/32        IP TE        65     rt2                  -         rt4(4)

+10.0.255.6/32        IP TE        75     rt2                  -         rt6(4)

+10.0.255.5/32        IP TE        75     rt2                  -         rt5(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)        

+ -----------------------------------------------------------

+ 10.0.255.4/32  65      -          rt2      16020/18        

+ 10.0.255.5/32  75      -          rt2      16020/18/16050  

+ 10.0.255.6/32  75      -          rt2      16020/18/16060  

+

+P-space (self):

+ rt2

+ rt3

+

+P-space (rt2):

+ rt2

+ rt3

+

+P-space (rt3):

+ rt2

+ rt3

+

+Q-space:

+ rt4

+ rt5

+ rt6

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        15     rt2                  -         rt1(4)

+2001:db8::2/128      IP6 internal 25     rt2                  -         rt2(4)

+rt3                  TE-IS        30     rt3                  -         rt1(4)

+2001:db8::3/128      IP6 internal 40     rt3                  -         rt3(4)

+rt4                  TE-IS        55     rt2                  -         rt2(4)

+rt1                                                                   

+rt6                  TE-IS        65     rt2                  -         rt4(4)

+rt5                  TE-IS        65     rt2                  -         rt1(2)

+2001:db8::4/128      IP6 internal 65     rt2                  -         rt4(4)

+2001:db8::6/128      IP6 internal 75     rt2                  -         rt6(4)

+2001:db8::5/128      IP6 internal 75     rt2                  -         rt5(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)        

+ -------------------------------------------------------------

+ 2001:db8::4/128  65      -          rt2      16021/19        

+ 2001:db8::5/128  75      -          rt2      16021/19/16051  

+ 2001:db8::6/128  75      -          rt2      16021/19/16061  

+

+test# test isis topology 2 root rt5 ti-lfa system-id rt1 pseudonode-id 1

+P-space (self):

+ rt6

+

+P-space (rt3):

+ rt1

+ rt2

+ rt3

+ rt4

+

+P-space (rt6):

+ rt4

+ rt6

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt4                  TE-IS        20     rt6                  -         rt6(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt1                  pseudo_TE-IS 30     rt6                  -         rt4(4)

+rt1                  TE-IS        30     rt6                  -         rt1(2)

+10.0.255.4/32        IP TE        30     rt6                  -         rt4(4)

+rt3                  TE-IS        40     rt3                  -         rt5(4)

+10.0.255.1/32        IP TE        40     rt6                  -         rt1(4)

+rt2                  TE-IS        45     rt6                  -         rt1(4)

+10.0.255.3/32        IP TE        50     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        55     rt6                  -         rt2(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.1/32  40      -          rt6      16040/16010  

+ 10.0.255.2/32  55      -          rt6      16040/16020  

+ 10.0.255.4/32  30      -          rt6      16040        

+

+P-space (self):

+ rt6

+

+P-space (rt3):

+ rt1

+ rt2

+ rt3

+ rt4

+

+P-space (rt6):

+ rt4

+ rt6

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+2001:db8::5/128      IP6 internal 0                                     rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt4                  TE-IS        20     rt6                  -         rt6(4)

+2001:db8::6/128      IP6 internal 20     rt6                  -         rt6(4)

+rt1                  pseudo_TE-IS 30     rt6                  -         rt4(4)

+rt1                  TE-IS        30     rt6                  -         rt1(2)

+2001:db8::4/128      IP6 internal 30     rt6                  -         rt4(4)

+rt3                  TE-IS        40     rt3                  -         rt5(4)

+2001:db8::1/128      IP6 internal 40     rt6                  -         rt1(4)

+rt2                  TE-IS        45     rt6                  -         rt1(4)

+2001:db8::3/128      IP6 internal 50     rt3                  -         rt3(4)

+2001:db8::2/128      IP6 internal 55     rt6                  -         rt2(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)     

+ ----------------------------------------------------------

+ 2001:db8::1/128  40      -          rt6      16041/16011  

+ 2001:db8::2/128  55      -          rt6      16041/16021  

+ 2001:db8::4/128  30      -          rt6      16041        

+

+test# test isis topology 3 root rt5 ti-lfa system-id rt4 ipv4-only

+P-space (self):

+ rt6

+

+P-space (rt3):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+P-space (rt6):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt4                  TE-IS        20     rt6                  -         rt6(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt3                  TE-IS        30     rt3                  -         rt5(4)

+rt2                  TE-IS        30     rt6                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt6                  -         rt4(4)

+rt1                  TE-IS        40     rt3                  -         rt3(4)

+                                         rt6                  -         rt2(4)

+10.0.255.3/32        IP TE        40     rt3                  -         rt3(4)

+10.0.255.2/32        IP TE        40     rt6                  -         rt2(4)

+10.0.255.1/32        IP TE        50     rt3                  -         rt1(4)

+                                         rt6                  -         

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.1/32  50      -          rt3      16010     

+                        -          rt6      16010     

+ 10.0.255.2/32  40      -          rt6      16020     

+ 10.0.255.4/32  30      -          rt6      16040     

+

+test# test isis topology 3 root rt5 ti-lfa system-id rt3 ipv4-only

+P-space (self):

+ rt1

+ rt2

+ rt4

+ rt6

+

+P-space (rt4):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+P-space (rt6):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt5                                                                   

+10.0.255.5/32        IP internal  0                                     rt5(4)

+rt4                  TE-IS        10     rt4                  -         rt5(4)

+rt6                  TE-IS        10     rt6                  -         rt5(4)

+rt2                  TE-IS        20     rt4                  -         rt4(4)

+10.0.255.4/32        IP TE        20     rt4                  -         rt4(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt1                  TE-IS        30     rt4                  -         rt2(4)

+rt3                  TE-IS        30     rt4                  -         rt2(4)

+10.0.255.2/32        IP TE        30     rt4                  -         rt2(4)

+10.0.255.1/32        IP TE        40     rt4                  -         rt1(4)

+10.0.255.3/32        IP TE        40     rt4                  -         rt3(4)

+

+IS-IS L1 IPv4 routing table:

+

+test# test isis topology 4 root rt1 ti-lfa system-id rt2 ipv4-only

+P-space (self):

+ rt3

+ rt5

+ rt7

+

+P-space (rt3):

+ rt3

+ rt5

+ rt7

+

+Q-space:

+ rt2

+ rt4

+ rt6

+ rt8

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+rt6                  TE-IS        70     rt3                  -         rt5(4)

+rt4                  TE-IS        80     rt3                  -         rt6(4)

+rt8                  TE-IS        80     rt3                  -         rt6(4)

+10.0.255.6/32        IP TE        80     rt3                  -         rt6(4)

+rt2                  TE-IS        90     rt3                  -         rt4(4)

+10.0.255.4/32        IP TE        90     rt3                  -         rt4(4)

+10.0.255.8/32        IP TE        90     rt3                  -         rt8(4)

+10.0.255.2/32        IP TE        100    rt3                  -         rt2(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)        

+ -----------------------------------------------------------

+ 10.0.255.2/32  100     -          rt3      16050/17/16020  

+ 10.0.255.4/32  90      -          rt3      16050/17/16040  

+ 10.0.255.6/32  80      -          rt3      16050/17        

+ 10.0.255.8/32  90      -          rt3      16050/17/16080  

+

+test# test isis topology 4 root rt4 ti-lfa system-id rt6 ipv4-only

+P-space (self):

+ rt1

+ rt2

+ rt3

+ rt5

+ rt7

+

+P-space (rt2):

+ rt1

+ rt2

+ rt3

+ rt5

+ rt7

+

+Q-space:

+ rt6

+ rt8

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+10.0.255.4/32        IP internal  0                                     rt4(4)

+rt2                  TE-IS        10     rt2                  -         rt4(4)

+rt1                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+rt3                  TE-IS        30     rt2                  -         rt1(4)

+10.0.255.1/32        IP TE        30     rt2                  -         rt1(4)

+rt5                  TE-IS        40     rt2                  -         rt3(4)

+10.0.255.3/32        IP TE        40     rt2                  -         rt3(4)

+rt7                  TE-IS        50     rt2                  -         rt5(4)

+10.0.255.5/32        IP TE        50     rt2                  -         rt5(4)

+10.0.255.7/32        IP TE        60     rt2                  -         rt7(4)

+rt6                  TE-IS        90     rt2                  -         rt5(4)

+rt8                  TE-IS        100    rt2                  -         rt6(4)

+10.0.255.6/32        IP TE        100    rt2                  -         rt6(4)

+10.0.255.8/32        IP TE        110    rt2                  -         rt8(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)        

+ -----------------------------------------------------------

+ 10.0.255.6/32  100     -          rt2      16050/17        

+ 10.0.255.8/32  110     -          rt2      16050/17/16080  

+

+test# test isis topology 5 root rt1 ti-lfa system-id rt2 ipv4-only

+P-space (self):

+ rt3

+ rt5

+ rt7

+

+P-space (rt3):

+ rt3

+ rt5

+ rt7

+ rt8

+

+Q-space:

+ rt2

+ rt4

+ rt6

+ rt8

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt3                  -         rt5(4)

+10.0.255.5/32        IP TE        30     rt3                  -         rt5(4)

+rt8                  TE-IS        40     rt3                  -         rt7(4)

+10.0.255.7/32        IP TE        40     rt3                  -         rt7(4)

+rt6                  TE-IS        50     rt3                  -         rt8(4)

+10.0.255.8/32        IP TE        50     rt3                  -         rt8(4)

+rt4                  TE-IS        60     rt3                  -         rt6(4)

+10.0.255.6/32        IP TE        60     rt3                  -         rt6(4)

+rt2                  TE-IS        70     rt3                  -         rt4(4)

+10.0.255.4/32        IP TE        70     rt3                  -         rt4(4)

+10.0.255.2/32        IP TE        80     rt3                  -         rt2(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.2/32  80      -          rt3      16080/16020  

+ 10.0.255.4/32  70      -          rt3      16080/16040  

+ 10.0.255.6/32  60      -          rt3      16080/16060  

+

+test# test isis topology 6 root rt4 ti-lfa system-id rt3 ipv4-only

+P-space (self):

+ rt2

+ rt5

+ rt6

+ rt7

+ rt8

+

+P-space (rt2):

+ rt1

+ rt2

+

+P-space (rt6):

+ rt5

+ rt6

+ rt7

+ rt8

+

+Q-space:

+ rt1

+ rt3

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt4                                                                   

+10.0.255.4/32        IP internal  0                                     rt4(4)

+rt2                  TE-IS        10     rt2                  -         rt4(4)

+rt6                  TE-IS        10     rt6                  -         rt4(4)

+rt1                  TE-IS        20     rt2                  -         rt2(4)

+rt5                  TE-IS        20     rt6                  -         rt6(4)

+rt8                  TE-IS        20     rt6                  -         rt6(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+rt3                  TE-IS        30     rt2                  -         rt1(4)

+rt7                  TE-IS        30     rt6                  -         rt5(4)

+                                                                        rt8(4)

+10.0.255.1/32        IP TE        30     rt2                  -         rt1(4)

+10.0.255.5/32        IP TE        30     rt6                  -         rt5(4)

+10.0.255.8/32        IP TE        30     rt6                  -         rt8(4)

+10.0.255.3/32        IP TE        40     rt2                  -         rt3(4)

+10.0.255.7/32        IP TE        40     rt6                  -         rt7(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.3/32  40      -          rt2      16010/16030  

+

+test# test isis topology 7 root rt11 ti-lfa system-id rt8 ipv4-only

+P-space (self):

+ rt10

+ rt12

+

+P-space (rt10):

+ rt1

+ rt4

+ rt7

+ rt10

+

+P-space (rt12):

+ rt9

+ rt12

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt5

+ rt6

+ rt7

+ rt8

+ rt9

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt11                                                                  

+10.0.255.11/32       IP internal  0                                     rt11(4)

+rt10                 TE-IS        10     rt10                 -         rt11(4)

+rt12                 TE-IS        10     rt12                 -         rt11(4)

+rt9                  TE-IS        20     rt12                 -         rt12(4)

+10.0.255.10/32       IP TE        20     rt10                 -         rt10(4)

+10.0.255.12/32       IP TE        20     rt12                 -         rt12(4)

+rt7                  TE-IS        30     rt10                 -         rt10(4)

+rt8                  TE-IS        30     rt12                 -         rt9(4)

+10.0.255.9/32        IP TE        30     rt12                 -         rt9(4)

+rt4                  TE-IS        40     rt10                 -         rt7(4)

+rt5                  TE-IS        40     rt12                 -         rt8(4)

+10.0.255.7/32        IP TE        40     rt10                 -         rt7(4)

+10.0.255.8/32        IP TE        40     rt12                 -         rt8(4)

+rt6                  TE-IS        50     rt12                 -         rt9(4)

+                                                                        rt5(4)

+rt1                  TE-IS        50     rt10                 -         rt4(4)

+rt2                  TE-IS        50     rt12                 -         rt5(4)

+10.0.255.4/32        IP TE        50     rt10                 -         rt4(4)

+10.0.255.5/32        IP TE        50     rt12                 -         rt5(4)

+rt3                  TE-IS        60     rt12                 -         rt6(4)

+                                                                        rt2(4)

+10.0.255.6/32        IP TE        60     rt12                 -         rt6(4)

+10.0.255.1/32        IP TE        60     rt10                 -         rt1(4)

+10.0.255.2/32        IP TE        60     rt12                 -         rt2(4)

+10.0.255.3/32        IP TE        70     rt12                 -         rt3(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.1/32  60      -          rt10     16010        

+ 10.0.255.2/32  60      -          rt12     16090/16020  

+ 10.0.255.3/32  70      -          rt12     16090/16030  

+ 10.0.255.4/32  50      -          rt10     16040        

+ 10.0.255.5/32  50      -          rt12     16090/16050  

+ 10.0.255.6/32  60      -          rt12     16090/16060  

+ 10.0.255.7/32  40      -          rt10     16070        

+ 10.0.255.8/32  40      -          rt12     16090/16080  

+

+test# test isis topology 7 root rt6 ti-lfa system-id rt5 ipv4-only

+P-space (self):

+ rt3

+

+P-space (rt3):

+ rt2

+ rt3

+

+P-space (rt9):

+ rt1

+ rt2

+ rt4

+ rt5

+ rt7

+ rt8

+ rt9

+ rt10

+ rt11

+ rt12

+

+Q-space:

+ rt1

+ rt2

+ rt4

+ rt5

+ rt7

+ rt8

+ rt9

+ rt10

+ rt11

+ rt12

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt6                                                                   

+10.0.255.6/32        IP internal  0                                     rt6(4)

+rt3                  TE-IS        10     rt3                  -         rt6(4)

+rt2                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt9                  TE-IS        30     rt9                  -         rt6(4)

+rt5                  TE-IS        30     rt3                  -         rt2(4)

+10.0.255.2/32        IP TE        30     rt3                  -         rt2(4)

+rt8                  TE-IS        40     rt9                  -         rt9(4)

+                                         rt3                  -         rt5(4)

+rt12                 TE-IS        40     rt9                  -         rt9(4)

+rt4                  TE-IS        40     rt3                  -         rt5(4)

+10.0.255.9/32        IP TE        40     rt9                  -         rt9(4)

+10.0.255.5/32        IP TE        40     rt3                  -         rt5(4)

+rt7                  TE-IS        50     rt9                  -         rt8(4)

+                                         rt3                  -         rt4(4)

+rt11                 TE-IS        50     rt9                  -         rt8(4)

+                                         rt3                  -         rt12(4)

+rt1                  TE-IS        50     rt3                  -         rt4(4)

+10.0.255.8/32        IP TE        50     rt9                  -         rt8(4)

+                                         rt3                  -         

+10.0.255.12/32       IP TE        50     rt9                  -         rt12(4)

+10.0.255.4/32        IP TE        50     rt3                  -         rt4(4)

+rt10                 TE-IS        60     rt9                  -         rt11(4)

+                                         rt3                  -         

+10.0.255.7/32        IP TE        60     rt9                  -         rt7(4)

+                                         rt3                  -         

+10.0.255.11/32       IP TE        60     rt9                  -         rt11(4)

+                                         rt3                  -         

+10.0.255.1/32        IP TE        60     rt3                  -         rt1(4)

+10.0.255.10/32       IP TE        70     rt9                  -         rt10(4)

+                                         rt3                  -         

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)     

+ ---------------------------------------------------------

+ 10.0.255.1/32   60      -          rt3      16020/16010  

+ 10.0.255.4/32   50      -          rt3      16020/16040  

+ 10.0.255.5/32   40      -          rt3      16020/16050  

+ 10.0.255.7/32   60      -          rt9      16070        

+                         -          rt3      16070        

+ 10.0.255.8/32   50      -          rt9      16080        

+                         -          rt3      16080        

+ 10.0.255.10/32  70      -          rt9      16100        

+                         -          rt3      16100        

+ 10.0.255.11/32  60      -          rt9      16110        

+                         -          rt3      16110        

+

+test# test isis topology 8 root rt2 ti-lfa system-id rt1 ipv4-only

+P-space (self):

+ rt3

+ rt5

+ rt6

+ rt8

+ rt9

+ rt11

+ rt12

+

+P-space (rt3):

+ rt3

+ rt6

+

+P-space (rt5):

+ rt5

+ rt6

+ rt8

+ rt9

+ rt11

+ rt12

+

+Q-space:

+ rt1

+ rt4

+ rt7

+ rt10

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+10.0.255.2/32        IP internal  0                                     rt2(4)

+rt3                  TE-IS        10     rt3                  -         rt2(4)

+rt5                  TE-IS        10     rt5                  -         rt2(4)

+rt6                  TE-IS        20     rt3                  -         rt3(4)

+                                         rt5                  -         rt5(4)

+rt8                  TE-IS        20     rt5                  -         rt5(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+rt9                  TE-IS        30     rt5                  -         rt8(4)

+rt11                 TE-IS        30     rt5                  -         rt8(4)

+10.0.255.6/32        IP TE        30     rt3                  -         rt6(4)

+                                         rt5                  -         

+10.0.255.8/32        IP TE        30     rt5                  -         rt8(4)

+rt12                 TE-IS        40     rt5                  -         rt9(4)

+                                                                        rt11(4)

+10.0.255.9/32        IP TE        40     rt5                  -         rt9(4)

+10.0.255.11/32       IP TE        40     rt5                  -         rt11(4)

+10.0.255.12/32       IP TE        50     rt5                  -         rt12(4)

+rt10                 TE-IS        60     rt5                  -         rt11(4)

+rt7                  TE-IS        70     rt5                  -         rt10(4)

+10.0.255.10/32       IP TE        70     rt5                  -         rt10(4)

+rt4                  TE-IS        80     rt5                  -         rt7(4)

+10.0.255.7/32        IP TE        80     rt5                  -         rt7(4)

+rt1                  TE-IS        90     rt5                  -         rt4(4)

+10.0.255.4/32        IP TE        90     rt5                  -         rt4(4)

+10.0.255.1/32        IP TE        100    rt5                  -         rt1(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)        

+ ------------------------------------------------------------

+ 10.0.255.1/32   100     -          rt5      16110/17/16010  

+ 10.0.255.4/32   90      -          rt5      16110/17/16040  

+ 10.0.255.7/32   80      -          rt5      16110/17/16070  

+ 10.0.255.10/32  70      -          rt5      16110/17        

+

+test# test isis topology 8 root rt2 ti-lfa system-id rt5 ipv4-only

+P-space (self):

+ rt1

+ rt3

+ rt4

+ rt7

+ rt10

+

+P-space (rt1):

+ rt1

+ rt4

+ rt7

+ rt10

+

+P-space (rt3):

+ rt3

+ rt6

+

+Q-space:

+ rt5

+ rt6

+ rt8

+ rt9

+ rt11

+ rt12

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+10.0.255.2/32        IP internal  0                                     rt2(4)

+rt1                  TE-IS        10     rt1                  -         rt2(4)

+rt3                  TE-IS        10     rt3                  -         rt2(4)

+rt4                  TE-IS        20     rt1                  -         rt1(4)

+rt6                  TE-IS        20     rt3                  -         rt3(4)

+10.0.255.1/32        IP TE        20     rt1                  -         rt1(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt1                  -         rt4(4)

+rt5                  TE-IS        30     rt3                  -         rt6(4)

+10.0.255.4/32        IP TE        30     rt1                  -         rt4(4)

+10.0.255.6/32        IP TE        30     rt3                  -         rt6(4)

+rt10                 TE-IS        40     rt1                  -         rt7(4)

+rt8                  TE-IS        40     rt3                  -         rt5(4)

+10.0.255.7/32        IP TE        40     rt1                  -         rt7(4)

+10.0.255.5/32        IP TE        40     rt3                  -         rt5(4)

+rt9                  TE-IS        50     rt3                  -         rt8(4)

+rt11                 TE-IS        50     rt3                  -         rt8(4)

+10.0.255.10/32       IP TE        50     rt1                  -         rt10(4)

+10.0.255.8/32        IP TE        50     rt3                  -         rt8(4)

+rt12                 TE-IS        60     rt3                  -         rt9(4)

+                                                                        rt11(4)

+10.0.255.9/32        IP TE        60     rt3                  -         rt9(4)

+10.0.255.11/32       IP TE        60     rt3                  -         rt11(4)

+10.0.255.12/32       IP TE        70     rt3                  -         rt12(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix          Metric  Interface  Nexthop  Label(s)     

+ ---------------------------------------------------------

+ 10.0.255.5/32   40      -          rt3      16060/16050  

+ 10.0.255.8/32   50      -          rt3      16060/16080  

+ 10.0.255.9/32   60      -          rt3      16060/16090  

+ 10.0.255.11/32  60      -          rt3      16060/16110  

+ 10.0.255.12/32  70      -          rt3      16060/16120  

+

+test# test isis topology 9 root rt1 ti-lfa system-id rt3

+P-space (self):

+ rt2

+ rt4

+ rt5

+ rt6

+ rt7

+ rt8

+ rt9

+

+P-space (rt2):

+ rt2

+ rt4

+ rt5

+ rt6

+ rt7

+ rt8

+ rt9

+

+Q-space:

+ rt3

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+rt5                  TE-IS        30     rt2                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+rt9                  TE-IS        40     rt2                  -         rt5(4)

+10.0.255.5/32        IP TE        40     rt2                  -         rt5(4)

+rt6                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+rt7                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+rt8                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+10.0.255.9/32        IP TE        50     rt2                  -         rt9(4)

+10.0.255.6/32        IP TE        60     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        60     rt2                  -         rt7(4)

+10.0.255.8/32        IP TE        60     rt2                  -         rt8(4)

+rt3                  TE-IS        120    rt2                  -         rt4(4)

+10.0.255.3/32        IP TE        130    rt2                  -         rt3(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.3/32  130     -          rt2      16040/18  

+

+P-space (self):

+ rt2

+ rt4

+ rt5

+ rt6

+ rt7

+ rt8

+ rt9

+

+P-space (rt2):

+ rt2

+ rt4

+ rt5

+ rt6

+ rt7

+ rt8

+ rt9

+

+Q-space:

+ rt3

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+rt5                  TE-IS        30     rt2                  -         rt4(4)

+2001:db8::4/128      IP6 internal 30     rt2                  -         rt4(4)

+rt9                  TE-IS        40     rt2                  -         rt5(4)

+2001:db8::5/128      IP6 internal 40     rt2                  -         rt5(4)

+rt6                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+rt7                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+rt8                  TE-IS        50     rt2                  -         rt4(4)

+                                                                        rt9(4)

+2001:db8::9/128      IP6 internal 50     rt2                  -         rt9(4)

+2001:db8::6/128      IP6 internal 60     rt2                  -         rt6(4)

+2001:db8::7/128      IP6 internal 60     rt2                  -         rt7(4)

+2001:db8::8/128      IP6 internal 60     rt2                  -         rt8(4)

+rt3                  TE-IS        120    rt2                  -         rt4(4)

+2001:db8::3/128      IP6 internal 130    rt2                  -         rt3(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::3/128  130     -          rt2      16041/19  

+

+test# test isis topology 9 root rt1 ti-lfa system-id rt2

+P-space (self):

+ rt3

+

+P-space (rt3):

+ rt3

+

+Q-space:

+ rt2

+ rt4

+ rt5

+ rt6

+ rt7

+ rt8

+ rt9

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+10.0.255.3/32        IP TE        20     rt3                  -         rt3(4)

+rt4                  TE-IS        110    rt3                  -         rt3(4)

+rt2                  TE-IS        120    rt3                  -         rt4(4)

+rt5                  TE-IS        120    rt3                  -         rt4(4)

+10.0.255.4/32        IP TE        120    rt3                  -         rt4(4)

+rt9                  TE-IS        130    rt3                  -         rt5(4)

+10.0.255.2/32        IP TE        130    rt3                  -         rt2(4)

+10.0.255.5/32        IP TE        130    rt3                  -         rt5(4)

+rt6                  TE-IS        140    rt3                  -         rt4(4)

+                                                                        rt9(4)

+rt7                  TE-IS        140    rt3                  -         rt4(4)

+                                                                        rt9(4)

+rt8                  TE-IS        140    rt3                  -         rt4(4)

+                                                                        rt9(4)

+10.0.255.9/32        IP TE        140    rt3                  -         rt9(4)

+10.0.255.6/32        IP TE        150    rt3                  -         rt6(4)

+10.0.255.7/32        IP TE        150    rt3                  -         rt7(4)

+10.0.255.8/32        IP TE        150    rt3                  -         rt8(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)        

+ -----------------------------------------------------------

+ 10.0.255.2/32  130     -          rt3      16030/18/16020  

+ 10.0.255.4/32  120     -          rt3      16030/18        

+ 10.0.255.5/32  130     -          rt3      16030/18/16050  

+ 10.0.255.6/32  150     -          rt3      16030/18/16060  

+ 10.0.255.7/32  150     -          rt3      16030/18/16070  

+ 10.0.255.8/32  150     -          rt3      16030/18/16080  

+ 10.0.255.9/32  140     -          rt3      16030/18/16090  

+

+P-space (self):

+ rt3

+

+P-space (rt3):

+ rt3

+

+Q-space:

+ rt2

+ rt4

+ rt5

+ rt6

+ rt7

+ rt8

+ rt9

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt3                  TE-IS        10     rt3                  -         rt1(4)

+2001:db8::3/128      IP6 internal 20     rt3                  -         rt3(4)

+rt4                  TE-IS        110    rt3                  -         rt3(4)

+rt2                  TE-IS        120    rt3                  -         rt4(4)

+rt5                  TE-IS        120    rt3                  -         rt4(4)

+2001:db8::4/128      IP6 internal 120    rt3                  -         rt4(4)

+rt9                  TE-IS        130    rt3                  -         rt5(4)

+2001:db8::2/128      IP6 internal 130    rt3                  -         rt2(4)

+2001:db8::5/128      IP6 internal 130    rt3                  -         rt5(4)

+rt6                  TE-IS        140    rt3                  -         rt4(4)

+                                                                        rt9(4)

+rt7                  TE-IS        140    rt3                  -         rt4(4)

+                                                                        rt9(4)

+rt8                  TE-IS        140    rt3                  -         rt4(4)

+                                                                        rt9(4)

+2001:db8::9/128      IP6 internal 140    rt3                  -         rt9(4)

+2001:db8::6/128      IP6 internal 150    rt3                  -         rt6(4)

+2001:db8::7/128      IP6 internal 150    rt3                  -         rt7(4)

+2001:db8::8/128      IP6 internal 150    rt3                  -         rt8(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)        

+ -------------------------------------------------------------

+ 2001:db8::2/128  130     -          rt3      16031/19/16021  

+ 2001:db8::4/128  120     -          rt3      16031/19        

+ 2001:db8::5/128  130     -          rt3      16031/19/16051  

+ 2001:db8::6/128  150     -          rt3      16031/19/16061  

+ 2001:db8::7/128  150     -          rt3      16031/19/16071  

+ 2001:db8::8/128  150     -          rt3      16031/19/16081  

+ 2001:db8::9/128  140     -          rt3      16031/19/16091  

+

+test# test isis topology 9 root rt9 ti-lfa system-id rt5

+P-space (self):

+ rt6

+ rt7

+ rt8

+

+P-space (rt6):

+ rt6

+

+P-space (rt7):

+ rt7

+

+P-space (rt8):

+ rt8

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt5

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt9                                                                   

+10.0.255.9/32        IP internal  0                                     rt9(4)

+rt6                  TE-IS        10     rt6                  -         rt9(4)

+rt7                  TE-IS        10     rt7                  -         rt9(4)

+rt8                  TE-IS        10     rt8                  -         rt9(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+10.0.255.7/32        IP TE        20     rt7                  -         rt7(4)

+10.0.255.8/32        IP TE        20     rt8                  -         rt8(4)

+rt4                  TE-IS        40     rt6                  -         rt6(4)

+                                         rt7                  -         rt7(4)

+                                         rt8                  -         rt8(4)

+rt2                  TE-IS        50     rt6                  -         rt4(4)

+                                         rt7                  -         

+                                         rt8                  -         

+rt5                  TE-IS        50     rt6                  -         rt4(4)

+                                         rt7                  -         

+                                         rt8                  -         

+10.0.255.4/32        IP TE        50     rt6                  -         rt4(4)

+                                         rt7                  -         

+                                         rt8                  -         

+rt1                  TE-IS        60     rt6                  -         rt2(4)

+                                         rt7                  -         

+                                         rt8                  -         

+10.0.255.2/32        IP TE        60     rt6                  -         rt2(4)

+                                         rt7                  -         

+                                         rt8                  -         

+10.0.255.5/32        IP TE        60     rt6                  -         rt5(4)

+                                         rt7                  -         

+                                         rt8                  -         

+rt3                  TE-IS        70     rt6                  -         rt1(4)

+                                         rt7                  -         

+                                         rt8                  -         

+10.0.255.1/32        IP TE        70     rt6                  -         rt1(4)

+                                         rt7                  -         

+                                         rt8                  -         

+10.0.255.3/32        IP TE        80     rt6                  -         rt3(4)

+                                         rt7                  -         

+                                         rt8                  -         

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)        

+ -----------------------------------------------------------

+ 10.0.255.1/32  70      -          rt6      16060/16/16010  

+                        -          rt7      16070/16/16010  

+                        -          rt8      16080/16/16010  

+ 10.0.255.2/32  60      -          rt6      16060/16/16020  

+                        -          rt7      16070/16/16020  

+                        -          rt8      16080/16/16020  

+ 10.0.255.3/32  80      -          rt6      16060/16/16030  

+                        -          rt7      16070/16/16030  

+                        -          rt8      16080/16/16030  

+ 10.0.255.4/32  50      -          rt6      16060/16        

+                        -          rt7      16070/16        

+                        -          rt8      16080/16        

+ 10.0.255.5/32  60      -          rt6      16060/16/16050  

+                        -          rt7      16070/16/16050  

+                        -          rt8      16080/16/16050  

+

+P-space (self):

+ rt6

+ rt7

+ rt8

+

+P-space (rt6):

+ rt6

+

+P-space (rt7):

+ rt7

+

+P-space (rt8):

+ rt8

+

+Q-space:

+ rt1

+ rt2

+ rt3

+ rt4

+ rt5

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt9                                                                   

+2001:db8::9/128      IP6 internal 0                                     rt9(4)

+rt6                  TE-IS        10     rt6                  -         rt9(4)

+rt7                  TE-IS        10     rt7                  -         rt9(4)

+rt8                  TE-IS        10     rt8                  -         rt9(4)

+2001:db8::6/128      IP6 internal 20     rt6                  -         rt6(4)

+2001:db8::7/128      IP6 internal 20     rt7                  -         rt7(4)

+2001:db8::8/128      IP6 internal 20     rt8                  -         rt8(4)

+rt4                  TE-IS        40     rt6                  -         rt6(4)

+                                         rt7                  -         rt7(4)

+                                         rt8                  -         rt8(4)

+rt2                  TE-IS        50     rt6                  -         rt4(4)

+                                         rt7                  -         

+                                         rt8                  -         

+rt5                  TE-IS        50     rt6                  -         rt4(4)

+                                         rt7                  -         

+                                         rt8                  -         

+2001:db8::4/128      IP6 internal 50     rt6                  -         rt4(4)

+                                         rt7                  -         

+                                         rt8                  -         

+rt1                  TE-IS        60     rt6                  -         rt2(4)

+                                         rt7                  -         

+                                         rt8                  -         

+2001:db8::2/128      IP6 internal 60     rt6                  -         rt2(4)

+                                         rt7                  -         

+                                         rt8                  -         

+2001:db8::5/128      IP6 internal 60     rt6                  -         rt5(4)

+                                         rt7                  -         

+                                         rt8                  -         

+rt3                  TE-IS        70     rt6                  -         rt1(4)

+                                         rt7                  -         

+                                         rt8                  -         

+2001:db8::1/128      IP6 internal 70     rt6                  -         rt1(4)

+                                         rt7                  -         

+                                         rt8                  -         

+2001:db8::3/128      IP6 internal 80     rt6                  -         rt3(4)

+                                         rt7                  -         

+                                         rt8                  -         

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)        

+ -------------------------------------------------------------

+ 2001:db8::1/128  70      -          rt6      16061/17/16011  

+                          -          rt7      16071/17/16011  

+                          -          rt8      16081/17/16011  

+ 2001:db8::2/128  60      -          rt6      16061/17/16021  

+                          -          rt7      16071/17/16021  

+                          -          rt8      16081/17/16021  

+ 2001:db8::3/128  80      -          rt6      16061/17/16031  

+                          -          rt7      16071/17/16031  

+                          -          rt8      16081/17/16031  

+ 2001:db8::4/128  50      -          rt6      16061/17        

+                          -          rt7      16071/17        

+                          -          rt8      16081/17        

+ 2001:db8::5/128  60      -          rt6      16061/17/16051  

+                          -          rt7      16071/17/16051  

+                          -          rt8      16081/17/16051  

+

+test# test isis topology 9 root rt9 ti-lfa system-id rt8

+P-space (self):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt5

+ rt6

+ rt7

+

+P-space (rt5):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt5

+

+P-space (rt6):

+ rt6

+

+P-space (rt7):

+ rt7

+

+Q-space:

+ rt8

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt9                                                                   

+10.0.255.9/32        IP internal  0                                     rt9(4)

+rt5                  TE-IS        10     rt5                  -         rt9(4)

+rt6                  TE-IS        10     rt6                  -         rt9(4)

+rt7                  TE-IS        10     rt7                  -         rt9(4)

+rt4                  TE-IS        20     rt5                  -         rt5(4)

+10.0.255.5/32        IP TE        20     rt5                  -         rt5(4)

+10.0.255.6/32        IP TE        20     rt6                  -         rt6(4)

+10.0.255.7/32        IP TE        20     rt7                  -         rt7(4)

+rt2                  TE-IS        30     rt5                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt5                  -         rt4(4)

+rt1                  TE-IS        40     rt5                  -         rt2(4)

+10.0.255.2/32        IP TE        40     rt5                  -         rt2(4)

+rt8                  TE-IS        50     rt5                  -         rt4(4)

+rt3                  TE-IS        50     rt5                  -         rt1(4)

+10.0.255.1/32        IP TE        50     rt5                  -         rt1(4)

+10.0.255.8/32        IP TE        60     rt5                  -         rt8(4)

+10.0.255.3/32        IP TE        60     rt5                  -         rt3(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)  

+ -----------------------------------------------------

+ 10.0.255.8/32  60      -          rt5      16040/26  

+

+P-space (self):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt5

+ rt6

+ rt7

+

+P-space (rt5):

+ rt1

+ rt2

+ rt3

+ rt4

+ rt5

+

+P-space (rt6):

+ rt6

+

+P-space (rt7):

+ rt7

+

+Q-space:

+ rt8

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt9                                                                   

+2001:db8::9/128      IP6 internal 0                                     rt9(4)

+rt5                  TE-IS        10     rt5                  -         rt9(4)

+rt6                  TE-IS        10     rt6                  -         rt9(4)

+rt7                  TE-IS        10     rt7                  -         rt9(4)

+rt4                  TE-IS        20     rt5                  -         rt5(4)

+2001:db8::5/128      IP6 internal 20     rt5                  -         rt5(4)

+2001:db8::6/128      IP6 internal 20     rt6                  -         rt6(4)

+2001:db8::7/128      IP6 internal 20     rt7                  -         rt7(4)

+rt2                  TE-IS        30     rt5                  -         rt4(4)

+2001:db8::4/128      IP6 internal 30     rt5                  -         rt4(4)

+rt1                  TE-IS        40     rt5                  -         rt2(4)

+2001:db8::2/128      IP6 internal 40     rt5                  -         rt2(4)

+rt8                  TE-IS        50     rt5                  -         rt4(4)

+rt3                  TE-IS        50     rt5                  -         rt1(4)

+2001:db8::1/128      IP6 internal 50     rt5                  -         rt1(4)

+2001:db8::8/128      IP6 internal 60     rt5                  -         rt8(4)

+2001:db8::3/128      IP6 internal 60     rt5                  -         rt3(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)  

+ -------------------------------------------------------

+ 2001:db8::8/128  60      -          rt5      16041/27  

+

+test# test isis topology 10 root rt1 ti-lfa system-id rt2

+P-space (self):

+ rt3

+ rt4

+ rt6

+ rt7

+

+P-space (rt3):

+ rt3

+ rt6

+

+P-space (rt4):

+ rt4

+ rt7

+

+Q-space:

+ rt2

+ rt5

+ rt8

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt3                  TE-IS        20     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt4                  -         rt1(4)

+rt6                  TE-IS        30     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt4                  -         rt4(4)

+10.0.255.3/32        IP TE        30     rt3                  -         rt3(4)

+10.0.255.4/32        IP TE        30     rt4                  -         rt4(4)

+10.0.255.6/32        IP TE        40     rt3                  -         rt6(4)

+10.0.255.7/32        IP TE        40     rt4                  -         rt7(4)

+rt8                  TE-IS        80     rt3                  -         rt6(4)

+                                         rt4                  -         rt7(4)

+rt5                  TE-IS        90     rt3                  -         rt8(4)

+                                         rt4                  -         

+10.0.255.8/32        IP TE        90     rt3                  -         rt8(4)

+                                         rt4                  -         

+rt2                  TE-IS        100    rt3                  -         rt5(4)

+                                         rt4                  -         

+10.0.255.5/32        IP TE        100    rt3                  -         rt5(4)

+                                         rt4                  -         

+10.0.255.2/32        IP TE        110    rt3                  -         rt2(4)

+                                         rt4                  -         

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)        

+ -----------------------------------------------------------

+ 10.0.255.2/32  110     -          rt3      20060/18/16020  

+                        -          rt4      16070/18/16020  

+ 10.0.255.5/32  100     -          rt3      20060/18/16050  

+                        -          rt4      16070/18/16050  

+ 10.0.255.8/32  90      -          rt3      20060/18        

+                        -          rt4      16070/18        

+

+P-space (self):

+ rt3

+ rt4

+ rt6

+ rt7

+

+P-space (rt3):

+ rt3

+ rt6

+

+P-space (rt4):

+ rt4

+ rt7

+

+Q-space:

+ rt2

+ rt5

+ rt8

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt3                  TE-IS        20     rt3                  -         rt1(4)

+rt4                  TE-IS        20     rt4                  -         rt1(4)

+rt6                  TE-IS        30     rt3                  -         rt3(4)

+rt7                  TE-IS        30     rt4                  -         rt4(4)

+2001:db8::3/128      IP6 internal 30     rt3                  -         rt3(4)

+2001:db8::4/128      IP6 internal 30     rt4                  -         rt4(4)

+2001:db8::6/128      IP6 internal 40     rt3                  -         rt6(4)

+2001:db8::7/128      IP6 internal 40     rt4                  -         rt7(4)

+rt8                  TE-IS        80     rt3                  -         rt6(4)

+                                         rt4                  -         rt7(4)

+rt5                  TE-IS        90     rt3                  -         rt8(4)

+                                         rt4                  -         

+2001:db8::8/128      IP6 internal 90     rt3                  -         rt8(4)

+                                         rt4                  -         

+rt2                  TE-IS        100    rt3                  -         rt5(4)

+                                         rt4                  -         

+2001:db8::5/128      IP6 internal 100    rt3                  -         rt5(4)

+                                         rt4                  -         

+2001:db8::2/128      IP6 internal 110    rt3                  -         rt2(4)

+                                         rt4                  -         

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)        

+ -------------------------------------------------------------

+ 2001:db8::2/128  110     -          rt3      20061/19/16021  

+                          -          rt4      16071/19/16021  

+ 2001:db8::5/128  100     -          rt3      20061/19/16051  

+                          -          rt4      16071/19/16051  

+ 2001:db8::8/128  90      -          rt3      20061/19        

+                          -          rt4      16071/19        

+

+test# test isis topology 10 root rt1 ti-lfa system-id rt4

+P-space (self):

+ rt2

+ rt3

+ rt5

+ rt6

+ rt8

+

+P-space (rt2):

+ rt2

+ rt5

+ rt8

+

+P-space (rt3):

+ rt3

+ rt6

+

+Q-space:

+ rt4

+ rt7

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        20     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+rt6                  TE-IS        30     rt3                  -         rt3(4)

+rt8                  TE-IS        30     rt2                  -         rt5(4)

+10.0.255.3/32        IP TE        30     rt3                  -         rt3(4)

+10.0.255.5/32        IP TE        30     rt2                  -         rt5(4)

+10.0.255.6/32        IP TE        40     rt3                  -         rt6(4)

+10.0.255.8/32        IP TE        40     rt2                  -         rt8(4)

+rt7                  TE-IS        80     rt2                  -         rt8(4)

+rt4                  TE-IS        90     rt2                  -         rt7(4)

+10.0.255.7/32        IP TE        90     rt2                  -         rt7(4)

+10.0.255.4/32        IP TE        100    rt2                  -         rt4(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)        

+ -----------------------------------------------------------

+ 10.0.255.4/32  100     -          rt2      16080/20/16040  

+ 10.0.255.7/32  90      -          rt2      16080/20        

+

+P-space (self):

+ rt2

+ rt3

+ rt5

+ rt6

+ rt8

+

+P-space (rt2):

+ rt2

+ rt5

+ rt8

+

+P-space (rt3):

+ rt3

+ rt6

+

+Q-space:

+ rt4

+ rt7

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+2001:db8::1/128      IP6 internal 0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt3                  TE-IS        20     rt3                  -         rt1(4)

+rt5                  TE-IS        20     rt2                  -         rt2(4)

+2001:db8::2/128      IP6 internal 20     rt2                  -         rt2(4)

+rt6                  TE-IS        30     rt3                  -         rt3(4)

+rt8                  TE-IS        30     rt2                  -         rt5(4)

+2001:db8::3/128      IP6 internal 30     rt3                  -         rt3(4)

+2001:db8::5/128      IP6 internal 30     rt2                  -         rt5(4)

+2001:db8::6/128      IP6 internal 40     rt3                  -         rt6(4)

+2001:db8::8/128      IP6 internal 40     rt2                  -         rt8(4)

+rt7                  TE-IS        80     rt2                  -         rt8(4)

+rt4                  TE-IS        90     rt2                  -         rt7(4)

+2001:db8::7/128      IP6 internal 90     rt2                  -         rt7(4)

+2001:db8::4/128      IP6 internal 100    rt2                  -         rt4(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)        

+ -------------------------------------------------------------

+ 2001:db8::4/128  100     -          rt2      16081/21/16041  

+ 2001:db8::7/128  90      -          rt2      16081/21        

+

+test# test isis topology 11 root rt2 ti-lfa system-id rt4

+P-space (self):

+

+P-space (rt1):

+ rt1

+ rt3

+ rt5

+

+P-space (rt3):

+ rt1

+ rt3

+ rt5

+ rt6

+

+Q-space:

+ rt1

+ rt3

+ rt4

+ rt5

+ rt6

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+10.0.255.2/32        IP internal  0                                     rt2(4)

+rt1                  TE-IS        50     rt1                  -         rt2(4)

+rt3                  TE-IS        50     rt3                  -         rt2(4)

+rt2                                                                   

+rt5                  TE-IS        60     rt3                  -         rt3(4)

+10.0.255.1/32        IP TE        60     rt1                  -         rt1(4)

+10.0.255.3/32        IP TE        60     rt3                  -         rt3(4)

+rt4                  TE-IS        70     rt3                  -         rt5(4)

+rt6                  TE-IS        70     rt3                  -         rt5(4)

+10.0.255.5/32        IP TE        70     rt3                  -         rt5(4)

+10.0.255.4/32        IP TE        80     rt3                  -         rt4(4)

+10.0.255.6/32        IP TE        80     rt3                  -         rt6(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)       

+ ----------------------------------------------------------

+ 10.0.255.1/32  60      -          rt1      implicit-null  

+ 10.0.255.3/32  60      -          rt3      implicit-null  

+ 10.0.255.4/32  80      -          rt3      16050/16040    

+ 10.0.255.5/32  70      -          rt3      16050          

+ 10.0.255.6/32  80      -          rt3      16060          

+

+P-space (self):

+

+P-space (rt1):

+ rt1

+ rt3

+ rt5

+

+P-space (rt3):

+ rt1

+ rt3

+ rt5

+ rt6

+

+Q-space:

+ rt1

+ rt3

+ rt4

+ rt5

+ rt6

+

+IS-IS paths to level-1 routers that speak IPv6

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt2                                                                   

+2001:db8::2/128      IP6 internal 0                                     rt2(4)

+rt1                  TE-IS        50     rt1                  -         rt2(4)

+rt3                  TE-IS        50     rt3                  -         rt2(4)

+rt2                                                                   

+rt5                  TE-IS        60     rt3                  -         rt3(4)

+2001:db8::1/128      IP6 internal 60     rt1                  -         rt1(4)

+2001:db8::3/128      IP6 internal 60     rt3                  -         rt3(4)

+rt4                  TE-IS        70     rt3                  -         rt5(4)

+rt6                  TE-IS        70     rt3                  -         rt5(4)

+2001:db8::5/128      IP6 internal 70     rt3                  -         rt5(4)

+2001:db8::4/128      IP6 internal 80     rt3                  -         rt4(4)

+2001:db8::6/128      IP6 internal 80     rt3                  -         rt6(4)

+

+IS-IS L1 IPv6 routing table:

+

+ Prefix           Metric  Interface  Nexthop  Label(s)       

+ ------------------------------------------------------------

+ 2001:db8::1/128  60      -          rt1      implicit-null  

+ 2001:db8::3/128  60      -          rt3      implicit-null  

+ 2001:db8::4/128  80      -          rt3      16051/16041    

+ 2001:db8::5/128  70      -          rt3      16051          

+ 2001:db8::6/128  80      -          rt3      16061          

+

+test# test isis topology 12 root rt1 ti-lfa system-id rt3 ipv4-only

+P-space (self):

+ rt2

+ rt4

+ rt6

+ rt8

+ rt10

+

+P-space (rt2):

+ rt2

+ rt4

+ rt6

+ rt8

+ rt10

+

+Q-space:

+ rt3

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+rt6                  TE-IS        30     rt2                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+rt8                  TE-IS        40     rt2                  -         rt6(4)

+10.0.255.6/32        IP TE        40     rt2                  -         rt6(4)

+rt10                 TE-IS        50     rt2                  -         rt8(4)

+10.0.255.8/32        IP TE        50     rt2                  -         rt8(4)

+10.0.255.10/32       IP TE        60     rt2                  -         rt10(4)

+rt7                  TE-IS        140    rt2                  -         rt8(4)

+rt9                  TE-IS        150    rt2                  -         rt7(4)

+10.0.255.7/32        IP TE        150    rt2                  -         rt7(4)

+10.0.255.9/32        IP TE        160    rt2                  -         rt9(4)

+rt5                  TE-IS        340    rt2                  -         rt7(4)

+10.0.255.5/32        IP TE        350    rt2                  -         rt5(4)

+rt3                  TE-IS        740    rt2                  -         rt5(4)

+10.0.255.3/32        IP TE        750    rt2                  -         rt3(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)        

+ -----------------------------------------------------------

+ 10.0.255.3/32  750     -          rt2      16080/17/16/16  

+ 10.0.255.5/32  350     -          rt2      16080/17/16     

+ 10.0.255.7/32  150     -          rt2      16080/17        

+ 10.0.255.9/32  160     -          rt2      16080/17/18     

+

+test# test isis topology 13 root rt1 ti-lfa system-id rt3 ipv4-only

+P-space (self):

+ rt2

+

+P-space (rt2):

+ rt2

+ rt4

+

+Q-space:

+ rt3

+ rt4

+ rt5

+ rt6

+ rt7

+

+IS-IS paths to level-1 routers that speak IP

+Vertex               Type         Metric Next-Hop             Interface Parent

+rt1                                                                   

+10.0.255.1/32        IP internal  0                                     rt1(4)

+rt2                  TE-IS        10     rt2                  -         rt1(4)

+rt4                  TE-IS        20     rt2                  -         rt2(4)

+10.0.255.2/32        IP TE        20     rt2                  -         rt2(4)

+rt3                  TE-IS        30     rt2                  -         rt4(4)

+10.0.255.4/32        IP TE        30     rt2                  -         rt4(4)

+rt5                  TE-IS        40     rt2                  -         rt3(4)

+rt6                  TE-IS        40     rt2                  -         rt3(4)

+10.0.255.3/32        IP TE        40     rt2                  -         rt3(4)

+rt7                  TE-IS        50     rt2                  -         rt5(4)

+                                                                        rt6(4)

+10.0.255.5/32        IP TE        50     rt2                  -         rt5(4)

+10.0.255.6/32        IP TE        50     rt2                  -         rt6(4)

+10.0.255.7/32        IP TE        60     rt2                  -         rt7(4)

+

+IS-IS L1 IPv4 routing table:

+

+ Prefix         Metric  Interface  Nexthop  Label(s)     

+ --------------------------------------------------------

+ 10.0.255.3/32  40      -          rt2      16040/16030  

+ 10.0.255.5/32  50      -          rt2      16040/16050  

+ 10.0.255.6/32  50      -          rt2      16040/16060  

+ 10.0.255.7/32  60      -          rt2      16040/16070  

+

+test# 
+end.
diff --git a/tests/isisd/test_isis_vertex_queue.c b/tests/isisd/test_isis_vertex_queue.c
new file mode 100644
index 0000000..d2d9f62
--- /dev/null
+++ b/tests/isisd/test_isis_vertex_queue.c
@@ -0,0 +1,106 @@
+#include <zebra.h>
+
+#include "isisd/isis_spf.c"
+
+#include "test_common.h"
+
+static struct isis_vertex **vertices;
+static size_t vertex_count;
+
+static void setup_test_vertices(void)
+{
+	struct isis_spftree t = {
+	};
+	struct prefix_pair p = {
+	};
+	uint8_t node_id[7];
+
+	vertices = XMALLOC(MTYPE_TMP, sizeof(*vertices) * 16);
+
+	p.dest.family = AF_INET;
+	p.dest.prefixlen = 24;
+	inet_pton(AF_INET, "192.168.1.0", &p.dest.u.prefix4);
+	vertices[vertex_count] = isis_vertex_new(&t, &p, VTYPE_IPREACH_TE);
+	vertices[vertex_count]->d_N = 20;
+	vertex_count++;
+
+	p.dest.family = AF_INET;
+	p.dest.prefixlen = 24;
+	inet_pton(AF_INET, "192.168.2.0", &p.dest.u.prefix4);
+	vertices[vertex_count] = isis_vertex_new(&t, &p, VTYPE_IPREACH_TE);
+	vertices[vertex_count]->d_N = 20;
+	vertex_count++;
+
+	memset(node_id, 0, sizeof(node_id));
+	node_id[6] = 1;
+	vertices[vertex_count] = isis_vertex_new(&t, node_id,
+						 VTYPE_PSEUDO_TE_IS);
+	vertices[vertex_count]->d_N = 15;
+	vertex_count++;
+
+	memset(node_id, 0, sizeof(node_id));
+	node_id[5] = 2;
+	vertices[vertex_count] = isis_vertex_new(&t, node_id,
+						 VTYPE_NONPSEUDO_TE_IS);
+	vertices[vertex_count]->d_N = 15;
+	vertex_count++;
+
+	p.dest.family = AF_INET;
+	p.dest.prefixlen = 24;
+	inet_pton(AF_INET, "192.168.3.0", &p.dest.u.prefix4);
+	vertices[vertex_count] = isis_vertex_new(&t, &p, VTYPE_IPREACH_TE);
+	vertices[vertex_count]->d_N = 20;
+	vertex_count++;
+};
+
+static void cleanup_test_vertices(void)
+{
+	for (size_t i = 0; i < vertex_count; i++)
+		isis_vertex_del(vertices[i]);
+	XFREE(MTYPE_TMP, vertices);
+	vertex_count = 0;
+}
+
+static void test_ordered(void)
+{
+	struct isis_vertex_queue q;
+
+	isis_vertex_queue_init(&q, NULL, true);
+	for (size_t i = 0; i < vertex_count; i++)
+		isis_vertex_queue_insert(&q, vertices[i]);
+
+	assert(isis_vertex_queue_count(&q) == vertex_count);
+
+	for (size_t i = 0; i < vertex_count; i++) {
+		assert(isis_find_vertex(&q, &vertices[i]->N, vertices[i]->type) == vertices[i]);
+	}
+
+	assert(isis_vertex_queue_pop(&q) == vertices[2]);
+	assert(isis_find_vertex(&q, &vertices[2]->N, vertices[2]->type) == NULL);
+
+	assert(isis_vertex_queue_pop(&q) == vertices[3]);
+	assert(isis_find_vertex(&q, &vertices[3]->N, vertices[3]->type) == NULL);
+
+	assert(isis_vertex_queue_pop(&q) == vertices[0]);
+	assert(isis_find_vertex(&q, &vertices[0]->N, vertices[0]->type) == NULL);
+
+	assert(isis_vertex_queue_pop(&q) == vertices[1]);
+	assert(isis_find_vertex(&q, &vertices[1]->N, vertices[1]->type) == NULL);
+
+	isis_vertex_queue_delete(&q, vertices[4]);
+	assert(isis_find_vertex(&q, &vertices[4]->N, vertices[4]->type) == NULL);
+
+	assert(isis_vertex_queue_count(&q) == 0);
+	assert(isis_vertex_queue_pop(&q) == NULL);
+
+	isis_vertex_queue_free(&q);
+}
+
+int main(int argc, char **argv)
+{
+	setup_test_vertices();
+	test_ordered();
+	cleanup_test_vertices();
+
+	return 0;
+}
diff --git a/tests/isisd/test_isis_vertex_queue.py b/tests/isisd/test_isis_vertex_queue.py
new file mode 100644
index 0000000..b9d2fc5
--- /dev/null
+++ b/tests/isisd/test_isis_vertex_queue.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestIsisVertexQueue(frrtest.TestMultiOut):
+    program = "./test_isis_vertex_queue"
+
+
+TestIsisVertexQueue.exit_cleanly()
diff --git a/tests/isisd/test_topologies.c b/tests/isisd/test_topologies.c
new file mode 100644
index 0000000..b3e500a
--- /dev/null
+++ b/tests/isisd/test_topologies.c
@@ -0,0 +1,3487 @@
+/*
+ * Copyright (C) 2020  NetDEF, Inc.
+ *                     Renato Westphal
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+
+#include "isisd/isisd.h"
+
+#include "test_common.h"
+
+/*
+ * clang-format off
+ *
+ * All topologies have the following properties:
+ * - The System-ID is 0000.0000.000X, where X is the node number (in hex);
+ * - The Router-ID is 10.0.255.X, where X is the node number;
+ * - The default link metric is 10;
+ * - When SR is enabled, Adj-SIDs and Prefix-SIDs are generated automatically;
+ * - When SR is enabled, the default SRGB is [16000-23999] (can be overridden).
+ *
+ * Test topology 1:
+ * ================
+ *
+ *                 +---------+
+ *                 |         |
+ *                 |   RT1   |
+ *      +----------+         +----------+
+ *      |          |         |          |
+ *      |          +---------+          |
+ *      |                               |
+ *      |                               |
+ *      |                               |
+ * +----+----+                     +----+----+
+ * |         |                     |         |
+ * |   RT2   |                     |   RT3   |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +----+----+                     +----+----+
+ *      |                               |
+ *      |                               |
+ *      |                               |
+ * +---+-+---+                     +----+----+
+ * |         |                     |         |
+ * |   RT4   |                     |   RT5   |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +----+----+                     +----+----+
+ *      |                               |
+ *      |                               |
+ *      |                               |
+ *      |          +---------+          |
+ *      |          |         |          |
+ *      |          |   RT6   |          |
+ *      +----------+         +----------+
+ *                 |         |
+ *                 +---------+
+ *
+ * Test topology 2:
+ * ================
+ *
+ *                 +---------+
+ *                 |         |
+ *                 |   RT1   |
+ *      +----------+         +----------+
+ *      |          |         |          |
+ *      |          +----+----+          |
+ *      |               |               |
+ *   15 |               |               | 30
+ *      |               |               |
+ * +----+----+          |          +----+----+
+ * |         |          |          |         |
+ * |   RT2   |          |          |   RT3   |
+ * |         |          |          |         |
+ * |         |          |          |         |
+ * +----+----+          |          +----+----+
+ *      |               |               |
+ *   40 |               |               | 40
+ *      |               |               |
+ * +----+----+          |          +----+----+
+ * |         |          |          |         |
+ * |   RT4   |          |          |   RT5   |
+ * |         +----------+----------+         |
+ * |         |                     |         |
+ * +----+----+                     +----+----+
+ *      |                               |
+ *      |                               |
+ *      |                               |
+ *      |          +---------+          |
+ *      |          |         |          |
+ *      |          |   RT6   |          |
+ *      +----------+         +----------+
+ *                 |         |
+ *                 +---------+
+ *
+ * Test topology 3:
+ * ================
+ *
+ *                 +---------+
+ *                 |         |
+ *                 |   RT1   |
+ *      +----------+         +----------+
+ *      |          |         |          |
+ *      |          +---------+          |
+ *      |                               |
+ *      |                               |
+ *      |                               |
+ * +----+----+                     +----+----+
+ * |         |                     |         |
+ * |   RT2   |                     |   RT3   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +----+----+                     +----+----+
+ *      |                               |
+ *      |                               | 30
+ *      |                               |
+ * +----+----+                     +----+----+
+ * |         |                     |         |
+ * |   RT4   |                     |   RT5   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +----+----+                     +----+----+
+ *      |                               |
+ *      |                               |
+ *      |                               |
+ *      |          +---------+          |
+ *      |          |         |          |
+ *      |          |   RT6   |          |
+ *      +----------+         +----------+
+ *                 |         |
+ *                 +---------+
+ *
+ * Test topology 4:
+ * ================
+ *
+ * +---------+                     +---------+
+ * |         |                     |         |
+ * |   RT1   |                     |   RT2   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT3   |                     |   RT4   |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |^                                 |
+ *     ||200                              |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT5   |          50         |   RT6   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT7   |                     |   RT8   |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +---------+                     +---------+
+ *
+ * Test topology 5:
+ * ================
+ *
+ * +---------+                     +---------+
+ * |         |                     |         |
+ * |   RT1   |                     |   RT2   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT3   |                     |   RT4   |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT5   |                     |   RT6   |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT7   |                     |   RT8   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---------+                     +---------+
+ *
+ * Test topology 6:
+ * ================
+ *
+ * +---------+                     +---------+
+ * |         |                     |         |
+ * |   RT1   |                     |   RT2   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT3   |                     |   RT4   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---------+                     +------+--+
+ *                                        |
+ *                                        |
+ *                                        |
+ * +---------+                     +------+--+
+ * |         |                     |         |
+ * |   RT5   |                     |   RT6   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT7   |                     |   RT8   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---------+                     +---------+
+ *
+ * Test topology 7:
+ * ================
+ *
+ * +---------+                     +---------+                     +---------+
+ * |         |                     |         |                     |         |
+ * |   RT1   |         40          |   RT2   |                     |   RT3   |
+ * |         +---------------------+         +---------------------+         |
+ * |         |                     |         |                     |         |
+ * +---+-----+                     +----+----+                     +------+--+
+ *     |                                |                                 |
+ *     |                                |                                 |
+ *     |                                |                                 |
+ * +---+-----+                     +----+----+                     +------+--+
+ * |         |                     |         |                     |         |
+ * |   RT4   |                     |   RT5   |                     |   RT6   |
+ * |         +---------------------+         +---------------------+         |
+ * |         |                     |         |                     |         |
+ * +---+-----+                     +----+----+                     +------+--+
+ *     |                                |                                 |
+ *     |                                |                                 | 30
+ *     |                                |                                 |
+ * +---+-----+                     +----+----+                     +------+--+
+ * |         |                     |         |                     |         |
+ * |   RT7   |                     |   RT8   |                     |   RT9   |
+ * |         +---------------------+         +---------------------+         |
+ * |         |                     |         |                     |         |
+ * +---+-----+                     +----+----+                     +------+--+
+ *     |                                |                                 |
+ *     | 20                             |                                 |
+ *     |                                |                                 |
+ * +---+-----+                     +----+----+                     +------+--+
+ * |         |                     |         |                     |         |
+ * |   RT10  |                     |   RT11  |                     |   RT12  |
+ * |         +---------------------+         +---------------------+         |
+ * |         |                     |         |                     |         |
+ * +---------+                     +---------+                     +---------+
+ *
+ * Test topology 8:
+ * ================
+ *
+ * +---------+                     +---------+                     +---------+
+ * |         |                     |         |                     |         |
+ * |   RT1   |                     |   RT2   |                     |   RT3   |
+ * |         +---------------------+         +---------------------+         |
+ * |         |                     |         |                     |         |
+ * +---+-----+                     +----+----+                     +------+--+
+ *     |                                |                                 |
+ *     |                                |                                 |
+ *     |                                |                                 |
+ * +---+-----+                     +----+----+                     +------+--+
+ * |         |                     |         |                     |         |
+ * |   RT4   |                     |   RT5   |                     |   RT6   |
+ * |         |                     |         +---------------------+         |
+ * |         |                     |         |                     |         |
+ * +---+-----+                     +----+----+                     +---------+
+ *     |                                |
+ *     |                                |
+ *     |                                |
+ * +---+-----+                     +----+----+                     +---------+
+ * |         |                     |         |                     |         |
+ * |   RT7   |                     |   RT8   |                     |   RT9   |
+ * |         |                     |         +---------------------+         |
+ * |         |                     |         |                     |         |
+ * +---+-----+                     +----+----+                     +------+--+
+ *     |                                |                                 |
+ *     |                                |                                 |
+ *     |                                |                                 |
+ * +---+-----+                     +----+----+                     +------+--+
+ * |         |                     |         |                     |         |
+ * |   RT10  |                     |   RT11  |                     |   RT12  |
+ * |         +---------------------+         +---------------------+         |
+ * |         |          30         |         |                     |         |
+ * +---------+                     +---------+                     +---------+
+ *
+ * Test topology 9:
+ * ================
+ *
+ *                       +---------+
+ *                       |         |
+ *                       |   RT1   |
+ *            +----------+         +----------+
+ *            |          |         |          |
+ *            |          +---------+          |
+ *            |                               |
+ *            |                               |
+ *            |                               |
+ *       +----+----+                     +----+----+
+ *       |         |                     |         |
+ *       |   RT2   |                     |   RT3   |
+ *       |         |                     |         |
+ *       |         |                     |         |
+ *       +----+----+                     +------+--+
+ *            |                                 |
+ *            |                                 |
+ *            |                                 |100
+ *            |          +---------+            |
+ *            |          |         |            |
+ *            +----------+   RT4   +------------+
+ *      +----------------|         |----------------+
+ *      |              +-+         +--+             |
+ *      |              | +---------+  |             |
+ *      |              |              |             |
+ *      |              |30            |30           |30
+ *      |              |              |             |
+ * +----+----+    +----+----+    +----+----+   +----+----+
+ * |         |    |         |    |         |   |         |
+ * |   RT5   |    |   RT6   |    |   RT7   |   |   RT8   |
+ * |         |    |         |    |         |   |         |
+ * |         |    |         |    |         |   |         |
+ * +----+----+    +----+----+    +----+----+   +----+----+
+ *      |              |              |             |
+ *      |              |              |             |
+ *      |              |              |             |
+ *      |              | +---------+  |             |
+ *      |              +-+         +--+             |
+ *      +----------------+   RT9   +----------------+
+ *                       |         |
+ *                       |         |
+ *                       +---------+
+ *
+ * Test topology 10:
+ * ================
+ *
+ *                 +---------+
+ *                 |         |
+ *                 |   RT1   |
+ *      +----------+         +----------+
+ *      |          |         |          |
+ *      |          +----+----+          |
+ *      |               |               |
+ *      |               |20             |20
+ *      |               |               |
+ * +----+----+     +----+----+     +----+----+
+ * |         |     |         |     |         |
+ * |   RT2   |     |   RT3   |     |   RT4   |
+ * |         |     |         |     |         |
+ * |         |     |         |     |         |
+ * +----+----+     +----+----+     +----+----+
+ *      |               |               |
+ *      |               |               |
+ *      |               |               |
+ * +----+----+     +----+----+     +----+----+
+ * |         |     |         |     |         |
+ * |   RT5   |     |   RT6   |     |   RT7   |
+ * |         |     |         |     |         |
+ * |         |     |         |     |         |
+ * +----+----+     +----+----+     +----+----+
+ *      |               |               |
+ *      |               |50             |50
+ *      |               |               |
+ *      |          +----+----+          |
+ *      |          |         |          |
+ *      +----------+   RT8   +----------+
+ *                 |         |
+ *                 |         |
+ *                 +---------+
+ *
+ * Test topology 11:
+ * ================
+ *
+ *                 +---------+
+ *                 |         |
+ *                 |   RT1   |
+ *                 |         |
+ *                 |         |
+ *                 +----+----+
+ *                      |
+ *                      |
+ *                      |
+ * +---------+          |          +---------+
+ * |         |          |          |         |
+ * |   RT2   |50        |          |   RT3   |
+ * |         +----------+----------+         |
+ * |         |                     |         |
+ * +----+----+                     +----+----+
+ *      |                               |
+ *      |                               |
+ *      |                               |
+ * +----+----+                     +----+----+
+ * |         |                     |         |
+ * |   RT4   |                     |   RT5   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +----+----+                     +----+----+
+ *      |                               |
+ *      |                               |
+ *      |                               |
+ *      |          +---------+          |
+ *      |          |         |          |
+ *      |          |   RT6   |          |
+ *      +----------+         +----------+
+ *                 |         |
+ *                 +---------+
+ *
+ * Test topology 12:
+ * ================
+ *
+ * +---------+                     +---------+
+ * |         |                     |         |
+ * |   RT1   |                     |   RT2   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT3   |                     |   RT4   |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |^                                 |
+ *     |400                               |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT5   |                     |   RT6   |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +---+-----+                     +------+--+
+ *     |^                                 |
+ *     |200                               |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT7   |                     |   RT8   |
+ * |         +---------------------+         |
+ * |         |         100         |         |
+ * +---+-----+                     +------+--+
+ *     |                                  |
+ *     |                                  |
+ *     |                                  |
+ * +---+-----+                     +------+--+
+ * |         |                     |         |
+ * |   RT9   |                     |   RT10  |
+ * |         |                     |         |
+ * |         |                     |         |
+ * +---------+                     +---------+
+ *
+ * Test topology 13:
+ * ================
+ *
+ * +---------+                     +---------+
+ * |         |                     |         |
+ * |   RT1   |                     |   RT2   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---+-----+                     +----+----+
+ *     |                                |
+ *     |                                |
+ *     |                                |
+ *     |                           +----+----+
+ *     |                           |         |
+ *     |                +----------+   RT4   |
+ *     |                |          |         |
+ * +---+-----+          |          |         |
+ * |         |          |          +----+----+
+ * |   RT3   +----------+               |
+ * |         +----------+               |100
+ * |         |          |               |
+ * +---+-----+          |          +----+----+
+ *     |                |          |         |
+ *     |                |          |   RT5   |
+ *     |                +----------+         |
+ *     |                           |         |
+ *     |                           +----+----+
+ *     |                                |
+ *     |                                |
+ *     |                                |
+ * +---+-----+                     +----+----+
+ * |         |                     |         |
+ * |   RT6   |                     |   RT7   |
+ * |         +---------------------+         |
+ * |         |                     |         |
+ * +---------+                     +---------+
+
+ * Test topology 14:
+ * =================
+ *
+ * +---------+              +---------+
+ * |         |              |         |
+ * |   RT1   |              |   RT2   |
+ * |         +--------------+         |
+ * |         |              |         |
+ * +----+----+              +----+----+
+ *      |                        |
+ *      |                        |
+ *      |                        |
+ *      |                   +----+----+
+ *      |                   |         |
+ *      |                   |   RT3   |
+ *      +-------------------+         |
+ *      |                   |         |
+ *      |                   +----+----+
+ *      |                        |
+ *      |                        |50
+ *      |                        |
+ * +----+----+              +----+----+
+ * |         |              |         |
+ * |   RT4   |              |   RT5   |
+ * |         +--------------+         |
+ * |         |              |         |
+ * +---------+              +---------+
+ */
+
+struct isis_topology test_topologies[] = {
+	{
+		.number = 1,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+					"2001:db8::1/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+					"2001:db8::2/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+					"2001:db8::3/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+					"2001:db8::4/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+					"2001:db8::5/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+					"2001:db8::6/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 2,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+					"2001:db8::1/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.pseudonode_id = 1,
+						.metric = 10,
+					},
+					{
+						.hostname = "rt2",
+						.metric = 15,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 30,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+					"2001:db8::2/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 15,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 40,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+					"2001:db8::3/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 40,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+					"2001:db8::4/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.pseudonode_id = 1,
+						.metric = 10,
+					},
+					{
+						.hostname = "rt2",
+						.metric = 40,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+					"2001:db8::5/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.pseudonode_id = 1,
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 40,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+					"2001:db8::6/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.pseudonode_id = 1,
+				.level = IS_LEVEL_1,
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 0,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 0,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 0,
+					},
+				},
+			},
+		},
+	},
+	{
+		.number = 3,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 30,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 4,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 200,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 50,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 50,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt8",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.8",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.8/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 5,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt8",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.8",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.8/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 6,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt8",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.8",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.8/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 7,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 40,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 40,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt9",
+						.metric = 30,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt10",
+						.metric = 20,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt8",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.8",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.8/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt11",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt9",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x09},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.9",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.9/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt6",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt12",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt10",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x0a},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.10",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.10/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt7",
+						.metric = 20,
+					},
+					{
+						.hostname = "rt11",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt11",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x0b},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.11",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.11/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt10",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt12",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt12",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x0c},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.12",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.12/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt11",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 8,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt10",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt8",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.8",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.8/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt11",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt9",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x09},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.9",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.9/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt12",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt10",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x0a},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.10",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.10/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt11",
+						.metric = 30,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt11",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x0b},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.11",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.11/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt10",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt12",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt12",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x0c},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.12",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.12/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt11",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 9,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+					"2001:db8::1/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+					"2001:db8::2/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+					"2001:db8::3/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 100,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+					"2001:db8::4/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 100,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 30,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+					"2001:db8::5/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+					"2001:db8::6/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+					"2001:db8::7/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt8",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.8",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.8/32",
+					"2001:db8::8/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 30,
+					},
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt9",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x09},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.9",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.9/32",
+					"2001:db8::9/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 10,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+					"2001:db8::1/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 20,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 20,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+					"2001:db8::2/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.srgb = {
+					.lower_bound = 20000,
+					.range_size = 8000,
+				},
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+					"2001:db8::3/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 20,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+					"2001:db8::4/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 20,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+					"2001:db8::5/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+					"2001:db8::6/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 50,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+					"2001:db8::7/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 50,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt8",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.8",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.8/32",
+					"2001:db8::8/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 50,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 50,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 11,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+					"2001:db8::1/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.pseudonode_id = 1,
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+					"2001:db8::2/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.pseudonode_id = 1,
+						.metric = 50,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+					"2001:db8::3/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.pseudonode_id = 1,
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+					"2001:db8::4/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+					"2001:db8::5/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+					"2001:db8::6/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.pseudonode_id = 1,
+				.level = IS_LEVEL_1,
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 0,
+					},
+					{
+						.hostname = "rt2",
+						.metric = 0,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 0,
+					},
+				},
+			},
+		},
+	},
+	{
+		.number = 12,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 400,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 200,
+					},
+					{
+						.hostname = "rt8",
+						.metric = 100,
+					},
+					{
+						.hostname = "rt9",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt8",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x08},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.8",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.8/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 100,
+					},
+					{
+						.hostname = "rt10",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt9",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x09},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.9",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.9/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt10",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x0a},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.10",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.10/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt8",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 13,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 100,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 100,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt6",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.6",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.6/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt7",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+			{
+				.hostname = "rt7",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x07},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.7",
+				.protocols = {
+					.ipv4 = true,
+				},
+				.networks = {
+					"10.0.255.7/32",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt6",
+						.metric = 10,
+					},
+				},
+				.flags = F_ISIS_TEST_NODE_SR,
+			},
+		},
+	},
+	{
+		.number = 14,
+		.nodes = {
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.1",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.1/32",
+					"2001:db8::1/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.pseudonode_id = 1,
+						.metric = 10,
+					},
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+				},
+			},
+			{
+				.hostname = "rt2",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.2",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.2/32",
+					"2001:db8::2/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 20,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 10,
+					},
+				},
+			},
+			{
+				.hostname = "rt3",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x03},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.3",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.3/32",
+					"2001:db8::3/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.pseudonode_id = 1,
+						.metric = 10,
+					},
+					{
+						.hostname = "rt2",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 50,
+					},
+				},
+			},
+			{
+				.hostname = "rt4",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x04},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.4",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.4/32",
+					"2001:db8::4/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.pseudonode_id = 1,
+						.metric = 10,
+					},
+					{
+						.hostname = "rt5",
+						.metric = 10,
+					},
+				},
+			},
+			{
+				.hostname = "rt5",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x05},
+				.level = IS_LEVEL_1,
+				.router_id = "10.0.255.5",
+				.protocols = {
+					.ipv4 = true,
+					.ipv6 = true,
+				},
+				.networks = {
+					"10.0.255.5/32",
+					"2001:db8::5/128",
+				},
+				.adjacencies = {
+					{
+						.hostname = "rt4",
+						.metric = 10,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 50,
+					},
+				},
+			},
+			{
+				.hostname = "rt1",
+				.sysid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+				.pseudonode_id = 1,
+				.level = IS_LEVEL_1,
+				.adjacencies = {
+					{
+						.hostname = "rt1",
+						.metric = 0,
+					},
+					{
+						.hostname = "rt3",
+						.metric = 0,
+					},
+					{
+						.hostname = "rt4",
+						.metric = 0,
+					},
+				},
+			},
+		},
+	},
+	{
+		/* sentinel */
+	},
+};