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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:16:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:16:35 +0000
commite2bbf175a2184bd76f6c54ccf8456babeb1a46fc (patch)
treef0b76550d6e6f500ada964a3a4ee933a45e5a6f1 /tests/topotests/bgp_local_asn_dot
parentInitial commit. (diff)
downloadfrr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.tar.xz
frr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.zip
Adding upstream version 9.1.upstream/9.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/topotests/bgp_local_asn_dot')
-rw-r--r--tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_agg.json147
-rw-r--r--tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_ecmp.json317
-rw-r--r--tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_topo1.json132
-rw-r--r--tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_agg.py420
-rw-r--r--tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_ecmp.py524
-rw-r--r--tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_topo1.py3655
6 files changed, 5195 insertions, 0 deletions
diff --git a/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_agg.json b/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_agg.json
new file mode 100644
index 0000000..b481932
--- /dev/null
+++ b/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_agg.json
@@ -0,0 +1,147 @@
+{
+ "address_types": ["ipv4", "ipv6"],
+ "ipv4base": "10.0.0.0",
+ "ipv4mask": 30,
+ "ipv6base": "fd00::",
+ "ipv6mask": 64,
+ "link_ip_start": {"ipv4": "10.0.0.0", "v4mask": 30, "ipv6": "fd00::", "v6mask": 64},
+ "lo_prefix": {"ipv4": "1.0.", "v4mask": 32, "ipv6": "2001:db8:f::", "v6mask": 128},
+ "routers": {
+ "r1": {
+ "links": {
+ "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
+ "r3": {"ipv4": "auto", "ipv6": "auto"}
+ },
+ "bgp": {
+ "local_as": "1.100",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"}
+ ],
+ "neighbor": {
+ "r3": {"dest_link": {"r1": {}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"}
+ ],
+ "neighbor": {
+ "r3": {"dest_link": {"r1": {}}}
+ }
+ }
+ }
+ }
+ },
+ "static_routes":[
+ {
+ "network":"10.1.1.0/32",
+ "next_hop":"Null0"
+ },
+ {
+ "network":"10:1::1:0/128",
+ "next_hop":"Null0"
+ }]
+ },
+ "r2": {
+ "links": {
+ "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
+ "r3": {"ipv4": "auto", "ipv6": "auto"}
+ },
+ "bgp": {
+ "local_as": "1.200",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"}
+ ],
+ "neighbor": {
+ "r3": {"dest_link": {"r2": {}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"}
+ ],
+ "neighbor": {
+ "r3": {"dest_link": {"r2": {}}}
+ }
+ }
+ }
+ }
+ },
+ "static_routes":[
+ {
+ "network":"10.1.2.0/32",
+ "next_hop":"Null0"
+ },
+ {
+ "network":"10:1::2:0/128",
+ "next_hop":"Null0"
+ }]
+ },
+ "r3": {
+ "links": {
+ "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
+ "r1": {"ipv4": "auto", "ipv6": "auto"},
+ "r2": {"ipv4": "auto", "ipv6": "auto"},
+ "r4": {"ipv4": "auto", "ipv6": "auto"}
+ },
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r1": {"dest_link": {"r3": {}}},
+ "r2": {"dest_link": {"r3": {}}},
+ "r4": {"dest_link": {"r3": {}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r1": {"dest_link": {"r3": {}}},
+ "r2": {"dest_link": {"r3": {}}},
+ "r4": {"dest_link": {"r3": {}}}
+ }
+ }
+ }
+ }
+ }
+ },
+ "r4": {
+ "links": {
+ "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
+ "r3": {"ipv4": "auto", "ipv6": "auto"}
+ },
+ "bgp": {
+ "local_as": "1.400",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r3": {"dest_link": {"r4": {}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r3": {"dest_link": {"r4": {}}}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_ecmp.json b/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_ecmp.json
new file mode 100644
index 0000000..afacab4
--- /dev/null
+++ b/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_ecmp.json
@@ -0,0 +1,317 @@
+{
+ "address_types": [
+ "ipv4",
+ "ipv6"
+ ],
+ "ipv4base": "10.0.0.0",
+ "ipv4mask": 24,
+ "ipv6base": "fd00::",
+ "ipv6mask": 64,
+ "link_ip_start": {
+ "ipv4": "10.0.0.0",
+ "v4mask": 24,
+ "ipv6": "fd00::",
+ "v6mask": 64
+ },
+ "lo_prefix": {
+ "ipv4": "1.0.",
+ "v4mask": 32,
+ "ipv6": "2001:DB8:F::",
+ "v6mask": 128
+ },
+ "routers": {
+ "r1": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r2-link1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": [{
+ "local_as": "1.100",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"}
+ ],
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r1-link1": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"}
+ ],
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r1-link1": {}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ ],
+ "static_routes":[
+ {
+ "network":"10.0.0.1/32",
+ "next_hop":"Null0"
+ },
+ {
+ "network":"10::1/128",
+ "next_hop":"Null0"
+ }
+ ]
+ },
+ "r2": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r1-link1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3-link1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": [{
+ "local_as": "1.200",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2-link1": {}
+ }
+ },
+ "r3": {
+ "dest_link": {
+ "r2-link1": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2-link1": {}
+ }
+ },
+ "r3": {
+ "dest_link": {
+ "r2-link1": {}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ ]
+ },
+ "r3": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r2-link1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r4-link1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r4-link2": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r4-link3": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r4-link4": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r4-link5": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r4-link6": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r4-link7": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r4-link8": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": [{
+ "local_as": "1.300",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3-link1": {}
+ }
+ },
+ "r4": {
+ "dest_link": {
+ "r3-link1": {},
+ "r3-link2": {},
+ "r3-link3": {},
+ "r3-link4": {},
+ "r3-link5": {},
+ "r3-link6": {},
+ "r3-link7": {},
+ "r3-link8": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3-link1": {}
+ }
+ },
+ "r4": {
+ "dest_link": {
+ "r3-link1": {},
+ "r3-link2": {},
+ "r3-link3": {},
+ "r3-link4": {},
+ "r3-link5": {},
+ "r3-link6": {},
+ "r3-link7": {},
+ "r3-link8": {}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ ]
+ },
+ "r4": {
+ "links": {
+ "lo": {
+ "ipv4": "auto",
+ "ipv6": "auto",
+ "type": "loopback"
+ },
+ "r3-link1": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3-link2": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3-link3": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3-link4": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3-link5": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3-link6": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3-link7": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ },
+ "r3-link8": {
+ "ipv4": "auto",
+ "ipv6": "auto"
+ }
+ },
+ "bgp": [{
+ "local_as": "1.400",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r4-link1": {},
+ "r4-link2": {},
+ "r4-link3": {},
+ "r4-link4": {},
+ "r4-link5": {},
+ "r4-link6": {},
+ "r4-link7": {},
+ "r4-link8": {}
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r4-link1": {},
+ "r4-link2": {},
+ "r4-link3": {},
+ "r4-link4": {},
+ "r4-link5": {},
+ "r4-link6": {},
+ "r4-link7": {},
+ "r4-link8": {}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ ]
+ }
+ }
+}
diff --git a/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_topo1.json b/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_topo1.json
new file mode 100644
index 0000000..02aacf7
--- /dev/null
+++ b/tests/topotests/bgp_local_asn_dot/bgp_local_asn_dot_topo1.json
@@ -0,0 +1,132 @@
+{
+ "address_types": ["ipv4", "ipv6"],
+ "ipv4base": "10.0.0.0",
+ "ipv4mask": 30,
+ "ipv6base": "fd00::",
+ "ipv6mask": 64,
+ "link_ip_start": {"ipv4": "10.0.0.0", "v4mask": 30, "ipv6": "fd00::", "v6mask": 64},
+ "lo_prefix": {"ipv4": "1.0.", "v4mask": 32, "ipv6": "2001:db8:f::", "v6mask": 128},
+ "routers": {
+ "r1": {
+ "links": {
+ "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
+ "r2": {"ipv4": "auto", "ipv6": "auto"}
+ },
+ "bgp": {
+ "local_as": "1.100",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"}
+ ],
+ "neighbor": {
+ "r2": {"dest_link": {"r1": {}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"}
+ ],
+ "neighbor": {
+ "r2": {"dest_link": {"r1": {}}}
+ }
+ }
+ }
+ }
+ },
+ "static_routes":[
+ {
+ "network":"10.1.1.0/32",
+ "next_hop":"Null0"
+ },
+ {
+ "network":"10:1::1:0/128",
+ "next_hop":"Null0"
+ }]
+ },
+ "r2": {
+ "links": {
+ "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
+ "r1": {"ipv4": "auto", "ipv6": "auto"},
+ "r3": {"ipv4": "auto", "ipv6": "auto"}
+ },
+ "bgp": {
+ "local_as": "1.200",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r1": {"dest_link": {"r2": {}}},
+ "r3": {"dest_link": {"r2": {}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r1": {"dest_link": {"r2": {}}},
+ "r3": {"dest_link": {"r2": {}}}
+ }
+ }
+ }
+ }
+ }
+ },
+ "r3": {
+ "links": {
+ "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
+ "r2": {"ipv4": "auto", "ipv6": "auto"},
+ "r4": {"ipv4": "auto", "ipv6": "auto"}
+ },
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r3": {}}},
+ "r4": {"dest_link": {"r3": {}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r3": {}}},
+ "r4": {"dest_link": {"r3": {}}}
+ }
+ }
+ }
+ }
+ }
+ },
+ "r4": {
+ "links": {
+ "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
+ "r3": {"ipv4": "auto", "ipv6": "auto"}
+ },
+ "bgp": {
+ "local_as": "1.400",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r3": {"dest_link": {"r4": {}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r3": {"dest_link": {"r4": {}}}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_agg.py b/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_agg.py
new file mode 100644
index 0000000..cb8fa1e
--- /dev/null
+++ b/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_agg.py
@@ -0,0 +1,420 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2022 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation,
+# Inc. ("NetDEF") in this file.
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+
+"""
+Following tests are covered to test BGP Multi-VRF Dynamic Route Leaking:
+1. Verify the BGP Local AS functionality by aggregating routes in between eBGP Peers.
+"""
+
+import os
+import sys
+import time
+import pytest
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+sys.path.append(os.path.join(CWD, "../lib/"))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+from lib.topotest import version_cmp
+
+from lib.common_config import (
+ start_topology,
+ write_test_header,
+ write_test_footer,
+ reset_config_on_routers,
+ verify_rib,
+ step,
+ check_address_types,
+ check_router_status
+)
+
+from lib.topolog import logger
+from lib.bgp import (
+ verify_bgp_convergence,
+ verify_bgp_rib,
+ create_router_bgp,
+)
+from lib.topojson import build_config_from_json
+
+pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
+
+# Global variables
+BGP_CONVERGENCE = False
+ADDR_TYPES = check_address_types()
+NETWORK_1_1 = {"ipv4": "10.1.1.0/32", "ipv6": "10:1::1:0/128"}
+NETWORK_1_2 = {"ipv4": "10.1.2.0/32", "ipv6": "10:1::2:0/128"}
+AGGREGATE_NW = {"ipv4": "10.1.0.0/16", "ipv6": "10:1::/96"}
+NEXT_HOP_IP = {"ipv4": "Null0", "ipv6": "Null0"}
+
+
+def setup_module(mod):
+ """
+ Sets up the pytest environment
+
+ * `mod`: module name
+ """
+
+ testsuite_run_time = time.asctime(time.localtime(time.time()))
+ logger.info("Testsuite start time: {}".format(testsuite_run_time))
+ logger.info("=" * 40)
+
+ logger.info("Running setup_module to create topology")
+
+ # This function initiates the topology build with Topogen...
+ json_file = "{}/bgp_local_asn_dot_agg.json".format(CWD)
+ tgen = Topogen(json_file, mod.__name__)
+ global topo
+ topo = tgen.json_topo
+ # ... and here it calls Mininet initialization functions.
+
+ # Starting topology, create tmp files which are loaded to routers
+ # to start daemons and then start routers
+ start_topology(tgen)
+
+ # Creating configuration from JSON
+ build_config_from_json(tgen, topo)
+
+ global BGP_CONVERGENCE
+ global ADDR_TYPES
+ ADDR_TYPES = check_address_types()
+
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "setup_module : Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ logger.info("Running setup_module() done")
+
+
+def teardown_module():
+ """Teardown the pytest environment"""
+
+ logger.info("Running teardown_module to delete topology")
+
+ tgen = get_topogen()
+
+ # Stop toplogy and Remove tmp files
+ tgen.stop_topology()
+
+ logger.info(
+ "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
+ )
+ logger.info("=" * 40)
+
+
+####################################################################################################################
+#
+# Testcases
+#
+####################################################################################################################
+
+
+def test_verify_bgp_local_as_agg_in_EBGP_p0(request):
+ """
+ Verify the BGP Local AS functionality by aggregating routes in between eBGP Peers.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Base config is done as part of JSON")
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ for dut, asn, neighbor in zip(["r2", "r4"], ["1.200", "1.400"], ["r3", "r3"]):
+ input_dict_r2_r4 = {
+ dut: {
+ "bgp": {
+ "local_as": asn,
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ dut: {"local_asn": {"remote_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Done in base config: Advertise prefix 10.1.1.0/24 from Router-1(AS-1.100).")
+ step(
+ "Done in base config: Advertise an ipv6 prefix 10:1::1:0/120 from Router-1(AS-1.100)."
+ )
+ step("Verify that Static routes are redistributed in BGP process")
+ for addr_type in ADDR_TYPES:
+ input_static_verify_r1 = {
+ "r1": {"static_routes": [{"network": NETWORK_1_1[addr_type]}]}
+ }
+
+ input_static_verify_r2 = {
+ "r2": {"static_routes": [{"network": NETWORK_1_2[addr_type]}]}
+ }
+ result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib(tgen, addr_type, "r2", input_static_verify_r2)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure aggregate-address to summarise all the advertised routes.")
+ for addr_type in ADDR_TYPES:
+ route_aggregate = {
+ "r3": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "aggregate_address": [
+ {
+ "network": AGGREGATE_NW[addr_type],
+ "summary": True,
+ "as_set": True,
+ }
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+
+ result = create_router_bgp(tgen, topo, route_aggregate)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that we see a summarised route on advertising router R3 "
+ "and receiving router R4 for both AFIs"
+ )
+
+ for addr_type in ADDR_TYPES:
+ input_static_agg_r1 = {
+ "r1": {"static_routes": [{"network": AGGREGATE_NW[addr_type]}]}
+ }
+ input_static_r1 = {
+ "r1": {"static_routes": [{"network": [NETWORK_1_1[addr_type]]}]}
+ }
+
+ input_static_r2 = {
+ "r2": {"static_routes": [{"network": [NETWORK_1_2[addr_type]]}]}
+ }
+
+ for dut in ["r3", "r4"]:
+ result = verify_rib(tgen, addr_type, dut, input_static_agg_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut, input_routes in zip(["r1", "r2"], [input_static_r1, input_static_r2]):
+ result = verify_rib(tgen, addr_type, dut, input_routes)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-110 is got added in the AS list 1.110 {1.100,1.110,1.200} by following "
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "{1.100,1.110,1.200}"
+ for addr_type in ADDR_TYPES:
+ input_static_agg_r1 = {
+ "r1": {"static_routes": [{"network": AGGREGATE_NW[addr_type]}]}
+ }
+ result = verify_bgp_rib(
+ tgen, addr_type, dut, input_static_agg_r1, aspath=aspath
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r3"
+ aspath = "{1.100,1.200}"
+ for addr_type in ADDR_TYPES:
+ input_static_agg_r1 = {
+ "r1": {"static_routes": [{"network": AGGREGATE_NW[addr_type]}]}
+ }
+ result = verify_bgp_rib(
+ tgen, addr_type, dut, input_static_agg_r1, aspath=aspath
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r4"
+ aspath = "1.110 {1.100,1.200}"
+ for addr_type in ADDR_TYPES:
+ input_static_agg_r1 = {
+ "r1": {"static_routes": [{"network": AGGREGATE_NW[addr_type]}]}
+ }
+ result = verify_bgp_rib(
+ tgen, addr_type, dut, input_static_agg_r1, aspath=aspath
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
diff --git a/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_ecmp.py b/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_ecmp.py
new file mode 100644
index 0000000..6937a61
--- /dev/null
+++ b/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_ecmp.py
@@ -0,0 +1,524 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2022 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation,
+# Inc. ("NetDEF") in this file.
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+#
+##########################################################################################################################################
+#
+# Testcases
+#
+###########################################################################################################################################
+###########################################################################################################################################
+#
+# 1.10.1.7. Verify the BGP Local AS functionality with ECMP on 8 links by adding no-prepend and replace-as command in between eBGP Peers.
+#
+#################################################################################################################################################
+
+import os
+import sys
+import time
+import pytest
+import platform
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+sys.path.append(os.path.join(CWD, "../lib/"))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+from lib.topotest import version_cmp
+
+from lib.common_config import (
+ start_topology,
+ write_test_header,
+ create_static_routes,
+ write_test_footer,
+ reset_config_on_routers,
+ verify_rib,
+ step,
+ check_address_types,
+ check_router_status,
+ create_static_routes,
+ verify_fib_routes,
+)
+
+from lib.topolog import logger
+from lib.bgp import (
+ verify_bgp_convergence,
+ verify_bgp_rib,
+ create_router_bgp,
+)
+from lib.topojson import build_config_from_json
+
+pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
+
+# Global variables
+BGP_CONVERGENCE = False
+NETWORK = {"ipv4": "10.1.1.0/32", "ipv6": "10:1::1:0/128"}
+NEXT_HOP_IP = {"ipv4": "Null0", "ipv6": "Null0"}
+
+
+def setup_module(mod):
+ """
+ Sets up the pytest environment
+
+ * `mod`: module name
+ """
+
+ testsuite_run_time = time.asctime(time.localtime(time.time()))
+ logger.info("Testsuite start time: {}".format(testsuite_run_time))
+ logger.info("=" * 40)
+
+ logger.info("Running setup_module to create topology")
+
+ # This function initiates the topology build with Topogen...
+ json_file = "{}/bgp_local_asn_dot_ecmp.json".format(CWD)
+ tgen = Topogen(json_file, mod.__name__)
+ global topo
+ topo = tgen.json_topo
+ # ... and here it calls Mininet initialization functions.
+
+ # Starting topology, create tmp files which are loaded to routers
+ # to start daemons and then start routers
+ start_topology(tgen)
+
+ # Creating configuration from JSON
+ build_config_from_json(tgen, topo)
+
+ global BGP_CONVERGENCE
+ global ADDR_TYPES
+ ADDR_TYPES = check_address_types()
+
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "setup_module : Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ logger.info("Running setup_module() done")
+
+
+def teardown_module():
+ """Teardown the pytest environment"""
+
+ logger.info("Running teardown_module to delete topology")
+
+ tgen = get_topogen()
+
+ # Stop toplogy and Remove tmp files
+ tgen.stop_topology()
+
+ logger.info(
+ "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
+ )
+ logger.info("=" * 40)
+
+
+##########################################################################################################################################
+#
+# Testcases
+#
+###########################################################################################################################################
+
+
+def test_verify_bgp_local_as_in_ecmp_EBGP_p0(request):
+ """
+ Verify the BGP Local AS functionality with ECMP on 8 links by
+ adding no-prepend and replace-as command in between eBGP Peers.
+ """
+
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Base config is done as part of JSON")
+ dut = "r1"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_dict_static_route = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+ input_dict_static_route_redist = {
+ "r1": {
+ "bgp": [
+ {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_static_route_redist)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify IPv4 and IPv6 static routes received on R1")
+ result = verify_rib(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_bgp_rib(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_routes(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as at R3 towards R2.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3-link1": {
+ "local_asn": {"local_as": "1.110"}
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as at R3 towards R4.")
+ dest_link = {}
+ for link_no in range(1, 9):
+ link = "r3-link" + str(link_no)
+ dest_link[link] = {"local_asn": {"local_as": "1.110"}}
+ for addr_type in ADDR_TYPES:
+ input_dict_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {"r4": {"dest_link": dest_link}}
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure remote-as at R2 towards R3.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r2_to_r3 = {
+ "r2": {
+ "bgp": [
+ {
+ "local_as": "1.200",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2-link1": {
+ "local_asn": {"remote_as": "1.110"}
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_to_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure remote-as at R4 towards R3.")
+ dest_link = {}
+ for link_no in range(1, 9):
+ link = "r4-link" + str(link_no)
+ dest_link[link] = {"local_asn": {"remote_as": "1.110"}}
+ for addr_type in ADDR_TYPES:
+ input_dict_r4_to_r3 = {
+ "r4": {
+ "bgp": [
+ {
+ "local_as": "1.400",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {"r3": {"dest_link": dest_link}}
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r4_to_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify IPv4 and IPv6 static routes received on R3 & R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+ for dut in ["r3", "r4"]:
+ result = verify_fib_routes(tgen, addr_type, dut, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-110 is got added in the AS list 1.110 1.200 1.100 by following "
+ " commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R2.")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3-link1": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4.")
+ dest_link = {}
+ for link_no in range(1, 9):
+ link = "r3-link" + str(link_no)
+ dest_link[link] = {"local_asn": {"local_as": "1.110"}}
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {"r4": {"dest_link": dest_link}}
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r2": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R2")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_rep_as_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3-link1": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4")
+ dest_link = {}
+ for link_no in range(1, 9):
+ link = "r3-link" + str(link_no)
+ dest_link[link] = {
+ "local_asn": {"local_as": "1.110", "no_prepend": True, "replace_as": True}
+ }
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_rep_as_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {"r4": {"dest_link": dest_link}}
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
diff --git a/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_topo1.py b/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_topo1.py
new file mode 100644
index 0000000..e9234f5
--- /dev/null
+++ b/tests/topotests/bgp_local_asn_dot/test_bgp_local_asn_dot_topo1.py
@@ -0,0 +1,3655 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2022 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation,
+# Inc. ("NetDEF") in this file.
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+##########################################################################################################
+#
+# Functionality Testcases
+#
+##########################################################################################################
+"""
+1. Verify the BGP Local AS functionality by adding no-prepend and replace-as command in between eBGP Peers.
+2. Verify the BGP Local AS functionality by configuring 4 Byte AS at R3 and 2 Byte AS at R2 & R4 in between eBGP Peers.
+3. Verify that BGP Local AS functionality by performing graceful restart in between eBGP Peers.
+4. Verify the BGP Local AS functionality by adding another AS & by same AS with AS-Prepend command in between eBGP Peers.
+4. Verify the BGP Local AS functionality by adding no-prepend and replace-as command in between iBGP Peers.
+5. Verify the BGP Local AS functionality with allowas-in in between iBGP Peers.
+6. Verify that BGP Local AS functionality by performing shut/ noshut on the interfaces in between BGP neighbors.
+7. Verify that BGP Local AS functionality by restarting BGP,Zebra and FRR services and
+ further restarting clear BGP * and shutdown BGP neighbor.
+8. Verify the BGP Local AS functionality with different AS configurations.
+9. Verify the BGP Local AS functionality with R3& R4 with different AS configurations.
+"""
+
+import os
+import sys
+import time
+import pytest
+from copy import deepcopy
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+sys.path.append(os.path.join(CWD, "../lib/"))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+from lib.topotest import version_cmp
+
+from lib.common_config import (
+ start_topology,
+ write_test_header,
+ create_static_routes,
+ write_test_footer,
+ reset_config_on_routers,
+ verify_rib,
+ step,
+ get_frr_ipv6_linklocal,
+ check_address_types,
+ check_router_status,
+ create_static_routes,
+ verify_fib_routes,
+ create_route_maps,
+ kill_router_daemons,
+ start_router_daemons,
+ shutdown_bringup_interface,
+)
+
+from lib.topolog import logger
+from lib.bgp import (
+ verify_bgp_convergence,
+ clear_bgp_and_verify,
+ verify_bgp_rib,
+ modify_as_number,
+ create_router_bgp,
+ verify_bgp_advertised_routes_from_neighbor,
+ verify_graceful_restart,
+ verify_r_bit,
+)
+from lib.topojson import build_config_from_json
+
+pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
+
+# Global variables
+NETWORK = {"ipv4": "10.1.1.0/32", "ipv6": "10:1::1:0/128"}
+NEXT_HOP_IP = {"ipv4": "Null0", "ipv6": "Null0"}
+NEXT_HOP_IP_GR = {"ipv4": "10.0.0.5", "ipv6": "fd00:0:0:1::2/64"}
+NEXT_HOP_IP_1 = {"ipv4": "10.0.0.101", "ipv6": "fd00::1"}
+NEXT_HOP_IP_2 = {"ipv4": "10.0.0.102", "ipv6": "fd00::2"}
+
+BGP_CONVERGENCE = False
+PREFERRED_NEXT_HOP = "link_local"
+KEEPALIVETIMER = 1
+HOLDDOWNTIMER = 3
+
+
+def setup_module(mod):
+ """
+ Sets up the pytest environment
+
+ * `mod`: module name
+ """
+
+ testsuite_run_time = time.asctime(time.localtime(time.time()))
+ logger.info("Testsuite start time: {}".format(testsuite_run_time))
+ logger.info("=" * 40)
+
+ logger.info("Running setup_module to create topology")
+
+ # This function initiates the topology build with Topogen...
+ json_file = "{}/bgp_local_asn_dot_topo1.json".format(CWD)
+ tgen = Topogen(json_file, mod.__name__)
+ global topo
+ topo = tgen.json_topo
+ # ... and here it calls Mininet initialization functions.
+
+ # Starting topology, create tmp files which are loaded to routers
+ # to start daemons and then start routers
+ start_topology(tgen)
+
+ # Creating configuration from JSON
+ build_config_from_json(tgen, topo)
+
+ global BGP_CONVERGENCE
+ global ADDR_TYPES
+ ADDR_TYPES = check_address_types()
+
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "setup_module : Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ logger.info("Running setup_module() done")
+
+
+def teardown_module():
+ """Teardown the pytest environment"""
+
+ logger.info("Running teardown_module to delete topology")
+
+ tgen = get_topogen()
+
+ # Stop toplogy and Remove tmp files
+ tgen.stop_topology()
+
+ logger.info(
+ "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
+ )
+ logger.info("=" * 40)
+
+
+##########################################################################################################
+#
+# Local APIs
+#
+##########################################################################################################
+
+
+def configure_gr_followed_by_clear(tgen, topo, input_dict, tc_name, dut, peer):
+ """
+ This function groups the repetitive function calls into one function.
+ """
+ result = create_router_bgp(tgen, topo, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ result = clear_bgp_and_verify(tgen, topo, dut)
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ return True
+
+
+def next_hop_per_address_family(
+ tgen, dut, peer, addr_type, next_hop_dict, preferred_next_hop=PREFERRED_NEXT_HOP
+):
+ """
+ This function returns link_local or global next_hop per address-family
+ """
+ intferface = topo["routers"][peer]["links"]["{}".format(dut)]["interface"]
+ if addr_type == "ipv6" and "link_local" in preferred_next_hop:
+ next_hop = get_frr_ipv6_linklocal(tgen, peer, intf=intferface)
+ else:
+ next_hop = next_hop_dict[addr_type]
+
+ return next_hop
+
+
+##########################################################################################################
+#
+# Testcases
+#
+##########################################################################################################
+
+
+def test_verify_bgp_local_as_in_EBGP_p0(request):
+ """
+ Verify the BGP Local AS functionality by adding no-prepend and
+ replace-as command in between eBGP Peers.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Base config is done as part of JSON")
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ for dut, asn, neighbor in zip(["r2", "r4"], ["1.200", "1.400"], ["r3", "r3"]):
+ input_dict_r2_r4 = {
+ dut: {
+ "bgp": {
+ "local_as": asn,
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ dut: {"local_asn": {"remote_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ # configure static routes
+ step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-1.100).")
+ step(
+ "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-1.100)."
+ )
+ step("Verify that Static routes are redistributed in BGP process")
+
+ dut = "r1"
+ protocol = "bgp"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_static_r1 = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_static_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+
+ input_static_redist_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_static_redist_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that Static routes are redistributed in BGP process")
+ for addr_type in ADDR_TYPES:
+ input_static_verify_r1 = {
+ "r1": {"static_routes": [{"network": NETWORK[addr_type]}]}
+ }
+
+ result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut in ["r3", "r4"]:
+ result = verify_rib(tgen, addr_type, dut, input_static_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut, input_routes in zip(["r1"], [input_static_r1]):
+ result = verify_rib(tgen, addr_type, dut, input_routes)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify advertised routes to R4 at R3")
+ expected_routes = {
+ "ipv4": [
+ {"network": "10.1.1.0/32", "nexthop": ""},
+ ],
+ "ipv6": [
+ {"network": "10:1::1:0/128", "nexthop": ""},
+ ],
+ }
+ result = verify_bgp_advertised_routes_from_neighbor(
+ tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_in_EBGP_4B_AS_mid_4B_AS_p0(request):
+ """
+ Verify the BGP Local AS functionality by configuring 4 Byte AS
+ at R3 and 4 Byte AS at R2 & R4 in between eBGP Peers.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Base config is done as part of JSON")
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "183.2926"
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ for dut, asn, neighbor in zip(["r2", "r4"], ["1.200", "1.400"], ["r3", "r3"]):
+ input_dict_r2_r4 = {
+ dut: {
+ "bgp": {
+ "local_as": asn,
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ dut: {
+ "local_asn": {
+ "remote_as": "183.2926"
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ # configure static routes
+ step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-1.100).")
+ step(
+ "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-1.100)."
+ )
+ step("Verify that Static routes are redistributed in BGP process")
+
+ dut = "r1"
+ protocol = "bgp"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_static_r1 = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_static_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+
+ input_static_redist_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_static_redist_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that Static routes are redistributed in BGP process")
+ for addr_type in ADDR_TYPES:
+ input_static_verify_r1 = {
+ "r1": {"static_routes": [{"network": NETWORK[addr_type]}]}
+ }
+
+ result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut in ["r3", "r4"]:
+ result = verify_rib(tgen, addr_type, dut, input_static_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut, input_routes in zip(["r1"], [input_static_r1]):
+ result = verify_rib(tgen, addr_type, dut, input_routes)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-183.2926 is got added in the AS list 183.2926 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "183.2926 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "183.2926",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify advertised routes to R4 at R3")
+ expected_routes = {
+ "ipv4": [
+ {"network": "10.1.1.0/32", "nexthop": ""},
+ ],
+ "ipv6": [
+ {"network": "10:1::1:0/128", "nexthop": ""},
+ ],
+ }
+ result = verify_bgp_advertised_routes_from_neighbor(
+ tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "183.2926",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r4"
+ aspath = "183.2926 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_GR_EBGP_p0(request):
+ """
+ Verify that BGP Local AS functionality by performing graceful restart in between eBGP Peers.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Configure basic BGP Peerings between R1,R2,R3 and R4")
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_dict_static_route = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK[addr_type],
+ "next_hop": NEXT_HOP_IP_GR[addr_type],
+ }
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+ input_dict_static_route_redist = {
+ "r1": {
+ "bgp": [
+ {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_static_route_redist)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step("Verify IPv4 and IPv6 static routes received on R1")
+ result = verify_rib(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_bgp_rib(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_routes(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as at R3 towards R2.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure remote-as at R2 towards R3.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r2_to_r3 = {
+ "r2": {
+ "bgp": [
+ {
+ "local_as": "1.200",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2": {
+ "local_asn": {"remote_as": "1.110"}
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_to_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure remote-as at R4 towards R3.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r4_to_r3 = {
+ "r4": {
+ "bgp": [
+ {
+ "local_as": "1.400",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r4": {
+ "local_asn": {"remote_as": "1.110"}
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r4_to_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify IPv4 and IPv6 static routes received on R3 & R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK[addr_type],
+ "next_hop": NEXT_HOP_IP_GR[addr_type],
+ }
+ ]
+ }
+ }
+ for dut in ["r3", "r4"]:
+ result = verify_fib_routes(tgen, addr_type, dut, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following "
+ " commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ """
+ GR Steps : Helper BGP router R2, mark and unmark IPV4 routes
+ as stale as the restarting router R3 come up within the restart time
+ """
+ # Create route-map to prefer global next-hop
+ input_dict = {
+ "r2": {
+ "route_maps": {
+ "rmap_global": [
+ {"action": "permit", "set": {"ipv6": {"nexthop": "prefer-global"}}}
+ ]
+ }
+ },
+ "r3": {
+ "route_maps": {
+ "rmap_global": [
+ {"action": "permit", "set": {"ipv6": {"nexthop": "prefer-global"}}}
+ ]
+ }
+ },
+ }
+ result = create_route_maps(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ # Configure neighbor for route map
+ input_dict_neigh_rm = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2": {
+ "route_maps": [
+ {
+ "name": "rmap_global",
+ "direction": "in",
+ }
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ "r3": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {
+ "route_maps": [
+ {
+ "name": "rmap_global",
+ "direction": "in",
+ }
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+
+ result = create_router_bgp(tgen, topo, input_dict_neigh_rm)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ # Configure graceful-restart
+ input_dict = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2": {
+ "graceful-restart-helper": True,
+ "local_asn": {"remote_as": "1.110"},
+ }
+ }
+ }
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2": {
+ "graceful-restart-helper": True,
+ "local_asn": {"remote_as": "1.110"},
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ },
+ "r3": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r3": {"graceful-restart": True}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r3": {"graceful-restart": True}}}
+ }
+ }
+ },
+ }
+ }
+ },
+ }
+
+ configure_gr_followed_by_clear(tgen, topo, input_dict, tc_name, dut="r3", peer="r2")
+ for addr_type in ADDR_TYPES:
+ result = verify_graceful_restart(
+ tgen, topo, addr_type, input_dict, dut="r3", peer="r2"
+ )
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ # Verifying BGP RIB routes
+ dut = "r2"
+ peer = "r3"
+ next_hop = next_hop_per_address_family(
+ tgen, dut, peer, addr_type, NEXT_HOP_IP_2, preferred_next_hop="global"
+ )
+ input_topo = {key: topo["routers"][key] for key in ["r3"]}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_topo)
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ # Verifying RIB routes
+ result = verify_rib(tgen, addr_type, dut, input_topo, next_hop, "bgp")
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ logger.info("[Phase 2] : R3 goes for reload ")
+
+ kill_router_daemons(tgen, "r3", ["bgpd"])
+
+ logger.info(
+ "[Phase 3] : R3 is still down, restart time 120 sec."
+ " So time verify the routes are present in BGP RIB"
+ " and ZEBRA"
+ )
+
+ for addr_type in ADDR_TYPES:
+ # Verifying BGP RIB routes
+ next_hop = next_hop_per_address_family(
+ tgen, dut, peer, addr_type, NEXT_HOP_IP_2, preferred_next_hop="global"
+ )
+ result = verify_bgp_rib(tgen, addr_type, dut, input_topo, next_hop)
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ # Verifying RIB routes
+ protocol = "bgp"
+ result = verify_rib(tgen, addr_type, dut, input_topo, next_hop, protocol)
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ logger.info("[Phase 5] : R3 is about to come up now ")
+ start_router_daemons(tgen, "r3", ["bgpd"])
+
+ logger.info("[Phase 5] : R3 is UP Now ! ")
+
+ for addr_type in ADDR_TYPES:
+ result = verify_bgp_convergence(tgen, topo)
+ assert (
+ result is True
+ ), "BGP Convergence after BGPd restart" " :Failed \n Error:{}".format(result)
+
+ # Verifying GR stats
+ result = verify_graceful_restart(
+ tgen, topo, addr_type, input_dict, dut="r3", peer="r2"
+ )
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ result = verify_r_bit(tgen, topo, addr_type, input_dict, dut="r2", peer="r3")
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ # Verifying BGP RIB routes
+ next_hop = next_hop_per_address_family(
+ tgen, dut, peer, addr_type, NEXT_HOP_IP_2, preferred_next_hop="global"
+ )
+ result = verify_bgp_rib(tgen, addr_type, dut, input_topo, next_hop)
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ # Verifying RIB routes
+ protocol = "bgp"
+ result = verify_rib(tgen, addr_type, dut, input_topo, next_hop, protocol)
+ assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result)
+
+ step("Configure local-as with no-prepend at R3 towards R2.")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r2": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R2")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_rep_as_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_rep_as_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_in_EBGP_aspath_p0(request):
+ """
+ Verify the BGP Local AS functionality by adding another AS & by same AS with AS-Prepend command in between eBGP Peers.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Configure basic BGP Peerings between R1,R2,R3 and R4")
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ for dut, asn, neighbor in zip(["r2", "r4"], ["1.200", "1.400"], ["r3", "r3"]):
+ input_dict_r2_r4 = {
+ dut: {
+ "bgp": {
+ "local_as": asn,
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ dut: {"local_asn": {"remote_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ # configure static routes
+ step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-1.100).")
+ step(
+ "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-1.100)."
+ )
+ step("Verify that Static routes are redistributed in BGP process")
+
+ dut = "r1"
+ protocol = "bgp"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_static_r1 = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_static_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+
+ input_static_redist_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_static_redist_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that Static routes are redistributed in BGP process")
+ for addr_type in ADDR_TYPES:
+ input_static_verify_r1 = {
+ "r1": {"static_routes": [{"network": NETWORK[addr_type]}]}
+ }
+
+ result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut in ["r3", "r4"]:
+ result = verify_rib(tgen, addr_type, dut, input_static_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut, input_routes in zip(["r1"], [input_static_r1]):
+ result = verify_rib(tgen, addr_type, dut, input_routes)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify advertised routes to R4 at R3")
+ expected_routes = {
+ "ipv4": [
+ {"network": "10.1.1.0/32", "nexthop": ""},
+ ],
+ "ipv6": [
+ {"network": "10:1::1:0/128", "nexthop": ""},
+ ],
+ }
+ result = verify_bgp_advertised_routes_from_neighbor(
+ tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure a route-map on R3 to prepend AS 2 times.")
+ for addr_type in ADDR_TYPES:
+ input_dict_4 = {
+ "r3": {
+ "route_maps": {
+ "ASP_{}".format(addr_type): [
+ {
+ "action": "permit",
+ "set": {
+ "path": {"as_num": "1.1000 1.1000", "as_action": "prepend"}
+ },
+ }
+ ]
+ }
+ }
+ }
+ result = create_route_maps(tgen, input_dict_4)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure route map in out direction on R4")
+ # Configure neighbor for route map
+ input_dict_7 = {
+ "r3": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {
+ "route_maps": [
+ {
+ "name": "ASP_{}".format(
+ addr_type
+ ),
+ "direction": "out",
+ }
+ ]
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ result = create_router_bgp(tgen, topo, input_dict_7)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step(
+ "Verify that AS-1.300 is got replaced with 1.200 in the AS list 1.110 1.1000 1.1000 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r4"
+ aspath = "1.110 1.1000 1.1000 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_in_iBGP_p0(request):
+ """
+ Verify the BGP Local AS functionality by adding no-prepend and replace-as command in between iBGP Peers.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Modify AS Number for R3")
+ input_dict_modify_as_number = {"r3": {"bgp": {"local_as": "1.200"}}}
+ result = modify_as_number(tgen, topo, input_dict_modify_as_number)
+
+ step("Base config is done as part of JSON")
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_dict_static_route = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+ input_dict_static_route_redist = {
+ "r1": {
+ "bgp": [
+ {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_static_route_redist)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify IPv4 and IPv6 static routes received on R1")
+ result = verify_rib(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_bgp_rib(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_routes(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.200",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure remote-as at R4 towards R3.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r4_to_r3 = {
+ "r4": {
+ "bgp": [
+ {
+ "local_as": "1.400",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r4": {
+ "local_asn": {"remote_as": "1.110"}
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r4_to_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure remote-as at R2 towards R3.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r2_to_r3 = {
+ "r2": {
+ "bgp": [
+ {
+ "local_as": "1.200",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2": {
+ "next_hop_self": True,
+ "local_asn": {
+ "remote_as": "1.200",
+ },
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_to_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify IPv4 and IPv6 static routes received on R3 & R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+ for dut in ["r3", "r4"]:
+ result = verify_fib_routes(tgen, addr_type, dut, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following "
+ " commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.200",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r3"
+ aspath = "1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_rep_as_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.200",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r4"
+ aspath = "1.110 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_allow_as_in_iBGP_p0(request):
+ """
+ Verify the BGP Local AS functionality with allowas-in in between iBGP Peers.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Modidy AS Number for R4")
+ input_dict_modify_as_number = {"r4": {"bgp": {"local_as": "1.100"}}}
+ result = modify_as_number(tgen, topo, input_dict_modify_as_number)
+
+ step("Base config is done as part of JSON")
+ dut = "r1"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_dict_static_route = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+ input_dict_static_route_redist = {
+ "r1": {
+ "bgp": [
+ {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_static_route_redist)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify IPv4 and IPv6 static routes received on R1")
+ result = verify_rib(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_bgp_rib(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_routes(tgen, addr_type, "r1", input_dict_static_route)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure allow-as at R4")
+ for addr_type in ADDR_TYPES:
+ allow_as_config_r4 = {
+ "r4": {
+ "bgp": [
+ {
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r4": {
+ "allowas-in": {
+ "number_occurences": 1
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ ]
+ }
+ }
+
+ step(
+ "Configuring allow-as for {} address-family on router R4 ".format(addr_type)
+ )
+ result = create_router_bgp(tgen, topo, allow_as_config_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ # now modify the as in r4 and reconfig bgp in r3 with new remote as.
+ topo1 = deepcopy(topo)
+ topo1["routers"]["r4"]["bgp"]["local_as"] = "1.100"
+
+ delete_bgp = {"r3": {"bgp": {"delete": True}}}
+ result = create_router_bgp(tgen, topo1, delete_bgp)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ build_config_from_json(tgen, topo1, save_bkup=False)
+
+ step("Configure local-as at R3 towards R2.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo1, input_dict_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo1, input_dict_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure remote-as at R2 towards R3.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r2_to_r3 = {
+ "r2": {
+ "bgp": [
+ {
+ "local_as": "1.200",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2": {
+ "local_asn": {"remote_as": "1.110"}
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo1, input_dict_r2_to_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure remote-as at R4 towards R3.")
+ for addr_type in ADDR_TYPES:
+ input_dict_r4_to_r3 = {
+ "r4": {
+ "bgp": [
+ {
+ "local_as": "1.100",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r4": {
+ "local_asn": {"remote_as": "1.110"}
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo1, input_dict_r4_to_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo1)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify IPv4 and IPv6 static routes received on R3 & R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+ for dut in ["r3", "r4"]:
+ result = verify_fib_routes(tgen, addr_type, dut, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following "
+ " commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R2.")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo1, input_dict_no_prep_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo1, input_dict_no_prep_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo1)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r2": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R2")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_rep_as_r3_to_r2 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo1, input_dict_no_prep_rep_as_r3_to_r2)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4")
+ for addr_type in ADDR_TYPES:
+ input_dict_no_prep_rep_as_r3_to_r4 = {
+ "r3": {
+ "bgp": [
+ {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ ]
+ }
+ }
+ result = create_router_bgp(tgen, topo1, input_dict_no_prep_rep_as_r3_to_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo1)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_in_EBGP_port_reset_p0(request):
+ """
+ Verify that BGP Local AS functionality by performing shut/ noshut on the interfaces in between BGP neighbors.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Base config is done as part of JSON")
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ for dut, asn, neighbor in zip(["r2", "r4"], ["1.200", "1.400"], ["r3", "r3"]):
+ input_dict_r2_r4 = {
+ dut: {
+ "bgp": {
+ "local_as": asn,
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ dut: {"local_asn": {"remote_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ # configure static routes
+ step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-1.100).")
+ step(
+ "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-1.100)."
+ )
+ step("Verify that Static routes are redistributed in BGP process")
+ dut = "r1"
+ protocol = "bgp"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_static_r1 = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_static_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+ input_static_redist_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_static_redist_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that Static routes are redistributed in BGP process")
+ for addr_type in ADDR_TYPES:
+ input_static_verify_r1 = {
+ "r1": {"static_routes": [{"network": NETWORK[addr_type]}]}
+ }
+
+ result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut in ["r3", "r4"]:
+ result = verify_rib(tgen, addr_type, dut, input_static_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut, input_routes in zip(["r1"], [input_static_r1]):
+ result = verify_rib(tgen, addr_type, dut, input_routes)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Api call to modfiy BGP timers at R3")
+ for addr_type in ADDR_TYPES:
+ input_dict_r3_timers = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {
+ "keepalivetimer": KEEPALIVETIMER,
+ "holddowntimer": HOLDDOWNTIMER,
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3_timers)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify advertised routes at R3 towards R4")
+ expected_routes = {
+ "ipv4": [
+ {"network": "10.1.1.0/32", "nexthop": ""},
+ ],
+ "ipv6": [
+ {"network": "10:1::1:0/128", "nexthop": ""},
+ ],
+ }
+ result = verify_bgp_advertised_routes_from_neighbor(
+ tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ for count in range(1, 1):
+ step("Iteration {}".format(count))
+ step("Shut down connecting interface between R3<<>>R4 on R3.")
+
+ intf1 = topo["routers"]["r3"]["links"]["r4"]["interface"]
+
+ interfaces = [intf1]
+ for intf in interfaces:
+ shutdown_bringup_interface(tgen, "r3", intf, False)
+
+ step(
+ "On R3, all BGP peering in respective vrf instances go down"
+ " when the interface is shut"
+ )
+
+ result = verify_bgp_convergence(tgen, topo, expected=False)
+ assert result is not True, (
+ "Testcase {} :Failed \n "
+ "Expected Behaviour: BGP will not be converged \n "
+ "Error {}".format(tc_name, result)
+ )
+
+ step("BGP neighborship is verified after restart of r3")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_in_EBGP_negative2_p0(request):
+ """
+ Verify the BGP Local AS functionality with different AS configurations.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Base config is done as part of JSON")
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ for dut, asn, neighbor in zip(["r2", "r4"], ["1.200", "1.400"], ["r3", "r3"]):
+ input_dict_r2_r4 = {
+ dut: {
+ "bgp": {
+ "local_as": asn,
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ dut: {"local_asn": {"remote_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ # configure static routes
+ step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-1.100).")
+ step(
+ "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-1.100)."
+ )
+ step("Verify that Static routes are redistributed in BGP process")
+
+ dut = "r1"
+ protocol = "bgp"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_static_r1 = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_static_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+
+ input_static_redist_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_static_redist_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that Static routes are redistributed in BGP process")
+ for addr_type in ADDR_TYPES:
+ input_static_verify_r1 = {
+ "r1": {"static_routes": [{"network": NETWORK[addr_type]}]}
+ }
+
+ result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut in ["r3", "r4"]:
+ result = verify_rib(tgen, addr_type, dut, input_static_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut, input_routes in zip(["r1"], [input_static_r1]):
+ result = verify_rib(tgen, addr_type, dut, input_routes)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify advertised routes to R4 at R3")
+ expected_routes = {
+ "ipv4": [
+ {"network": "10.1.1.0/32", "nexthop": ""},
+ ],
+ "ipv6": [
+ {"network": "10:1::1:0/128", "nexthop": ""},
+ ],
+ }
+ result = verify_bgp_advertised_routes_from_neighbor(
+ tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step(
+ "Verify that AS-1.110 is not prepended in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+ step("Verify that AS-1.300 is replaced with AS-1.110 at R3 router.")
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ # configure negative scenarios
+ step("Configure local-as at R3 towards R4.")
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.300"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ if "bgp" in topo["routers"]["r3"].keys():
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is not True, (
+ "Testcase {} :Failed \n "
+ "Expected Behaviour: Cannot have local-as same as BGP AS number \n "
+ "Error {}".format(tc_name, result)
+ )
+
+ step("Configure another local-as at R3 towards R4.")
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.110",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ if "bgp" in topo["routers"]["r3"].keys():
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is not True, (
+ "Testcase {} :Failed \n "
+ "Expected Behaviour: Cannot have local-as same as BGP AS number \n "
+ "Error {}".format(tc_name, result)
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_in_EBGP_negative3_p0(request):
+ """
+ Verify the BGP Local AS functionality with R3& R4 with different AS configurations.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Configure basic BGP Peerings between R1,R2,R3 and R4")
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ for dut, asn, neighbor in zip(["r2", "r4"], ["1.200", "1.400"], ["r3", "r3"]):
+ input_dict_r2_r4 = {
+ dut: {
+ "bgp": {
+ "local_as": asn,
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ dut: {"local_asn": {"remote_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ # configure static routes
+ step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-1.100).")
+ step(
+ "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-1.100)."
+ )
+ step("Verify that Static routes are redistributed in BGP process")
+
+ dut = "r1"
+ protocol = "bgp"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_static_r1 = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_static_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+
+ input_static_redist_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_static_redist_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that Static routes are redistributed in BGP process")
+ for addr_type in ADDR_TYPES:
+ input_static_verify_r1 = {
+ "r1": {"static_routes": [{"network": NETWORK[addr_type]}]}
+ }
+
+ result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut in ["r3", "r4"]:
+ result = verify_rib(tgen, addr_type, dut, input_static_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut, input_routes in zip(["r1"], [input_static_r1]):
+ result = verify_rib(tgen, addr_type, dut, input_routes)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ # Perform Negative scenarios
+ step("Configure another local-as at R3 towards R4.")
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r4": {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.300"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ if "bgp" in topo["routers"]["r3"].keys():
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is not True, (
+ "Testcase {} :Failed \n "
+ "Expected Behaviour: Cannot have local-as same as BGP AS number \n "
+ "Error {}".format(tc_name, result)
+ )
+
+ write_test_footer(tc_name)
+
+
+def test_verify_bgp_local_as_in_EBGP_restart_daemons_p0(request):
+ """
+ Verify that BGP Local AS functionality by restarting BGP,Zebra and FRR services and
+ further restarting clear BGP * and shutdown BGP neighbor.
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+ # test case name
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ if tgen.routers_have_failure():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ step("Base config is done as part of JSON")
+ step("Configure local-as at R3 towards R4.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {"local_asn": {"local_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ for dut, asn, neighbor in zip(["r2", "r4"], ["1.200", "1.400"], ["r3", "r3"]):
+ input_dict_r2_r4 = {
+ dut: {
+ "bgp": {
+ "local_as": asn,
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ dut: {"local_asn": {"remote_as": "1.110"}}
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r2_r4)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ # configure static routes
+ step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-1.100).")
+ step(
+ "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-1.100)."
+ )
+ step("Verify that Static routes are redistributed in BGP process")
+ dut = "r1"
+ protocol = "bgp"
+ for addr_type in ADDR_TYPES:
+ # Enable static routes
+ input_static_r1 = {
+ "r1": {
+ "static_routes": [
+ {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]}
+ ]
+ }
+ }
+
+ logger.info("Configure static routes")
+ result = create_static_routes(tgen, input_static_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("configure redistribute static in Router BGP in R1")
+ input_static_redist_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ addr_type: {
+ "unicast": {"redistribute": [{"redist_type": "static"}]}
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_static_redist_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that Static routes are redistributed in BGP process")
+ for addr_type in ADDR_TYPES:
+ input_static_verify_r1 = {
+ "r1": {"static_routes": [{"network": NETWORK[addr_type]}]}
+ }
+
+ result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut in ["r3", "r4"]:
+ result = verify_rib(tgen, addr_type, dut, input_static_r1)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for dut, input_routes in zip(["r1"], [input_static_r1]):
+ result = verify_rib(tgen, addr_type, dut, input_routes)
+ assert result is True, "Testcase {}: Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Kill BGPd daemon on R3.")
+ kill_router_daemons(tgen, "r3", ["bgpd"])
+
+ step("Bring up BGPd daemon on R3.")
+ start_router_daemons(tgen, "r3", ["bgpd"])
+
+ step(
+ "Verify that AS-1.110 is got added in the AS list 1.110 1.200 1.100 by following"
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify advertised routes at R3 towards R4")
+ expected_routes = {
+ "ipv4": [
+ {"network": "10.1.1.0/32", "nexthop": ""},
+ ],
+ "ipv6": [
+ {"network": "10:1::1:0/128", "nexthop": ""},
+ ],
+ }
+ result = verify_bgp_advertised_routes_from_neighbor(
+ tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("Configure local-as with no-prepend at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step(
+ "Verify that AS-1.110 is not prepended in the AS list 1.200 1.100 by following "
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Kill BGPd daemon on R3.")
+ kill_router_daemons(tgen, "r3", ["bgpd"])
+
+ step("Bring up BGPd daemon on R3.")
+ start_router_daemons(tgen, "r3", ["bgpd"])
+
+ step(
+ "Verify that AS-1.110 is not prepended in the AS list 1.200 1.100 by following "
+ "commands at R3 router."
+ )
+ dut = "r3"
+ aspath = "1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.")
+ for addr_type in ADDR_TYPES:
+ for neighbor in ["r2", "r4"]:
+ input_dict_r3 = {
+ "r3": {
+ "bgp": {
+ "local_as": "1.300",
+ "address_family": {
+ addr_type: {
+ "unicast": {
+ "neighbor": {
+ neighbor: {
+ "dest_link": {
+ "r3": {
+ "local_asn": {
+ "local_as": "1.110",
+ "no_prepend": True,
+ "replace_as": True,
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, input_dict_r3)
+ assert result is True, "Testcase {} :Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("BGP neighborship is verified by following commands in R3 routers")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step(
+ "Verified that AS-1.300 is got replaced with original AS-1.110 at R4 by following commands"
+ )
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verified that AS-1.300 is got replaced with original AS-1.110 at R4 by following commands"
+ )
+ dut = "r4"
+ aspath = "1.110 1.200 1.100"
+ for addr_type in ADDR_TYPES:
+ input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}}
+ result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 14:12:10 +0000