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diff --git a/tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_ibgp_nbr.py b/tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_ibgp_nbr.py
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+++ b/tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_ibgp_nbr.py
@@ -0,0 +1,963 @@
+#!/usr/bin/env python
+
+#
+# Copyright (c) 2021 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.
+#
+
+
+"""RFC5549 Automation."""
+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, "../../"))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+
+from lib.common_config import (
+ start_topology,
+ write_test_header,
+ get_frr_ipv6_linklocal,
+ write_test_footer,
+ verify_rib,
+ create_static_routes,
+ check_address_types,
+ reset_config_on_routers,
+ step,
+)
+from lib.topolog import logger
+from lib.bgp import (
+ verify_bgp_convergence,
+ create_router_bgp,
+ verify_bgp_rib,
+)
+from lib.topojson import build_config_from_json
+
+
+pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
+
+# Global variables
+topo = None
+
+# Global variables
+NETWORK = {
+ "ipv4": [
+ "11.0.20.1/32",
+ "11.0.20.2/32",
+ "11.0.20.3/32",
+ "11.0.20.4/32",
+ "11.0.20.5/32",
+ ],
+ "ipv6": ["1::1/128", "1::2/128", "1::3/128", "1::4/128", "1::5/128"],
+}
+MASK = {"ipv4": "32", "ipv6": "128"}
+NEXT_HOP = {
+ "ipv4": ["10.0.0.1", "10.0.1.1", "10.0.2.1", "10.0.3.1", "10.0.4.1"],
+ "ipv6": ["Null0", "Null0", "Null0", "Null0", "Null0"],
+}
+NO_OF_RTES = 2
+NETWORK_CMD_IP = "1.0.1.17/32"
+ADDR_TYPES = check_address_types()
+TOPOOLOGY = """
+ Please view in a fixed-width font such as Courier.
+
+ +----+
+ | R4 |
+ | |
+ +--+-+
+ | ipv4 nbr
+ no bgp ebgp/ibgp |
+ | ebgp/ibgp
+ +----+ 5links +----+ 8links +--+-+ +----+
+ |R0 +----------+ R1 +------------+ R2 | ipv6 nbr |R3 |
+ | +----------+ +------------+ +-------------+ |
+ +----+ +----+ ipv6 nbr +----+ +----+
+"""
+
+TESTCASES = """
+1. Verify Ipv4 route next hop is changed when advertised using
+next hop -self command
+2. Verify IPv4 route advertised to peer when IPv6 BGP session established
+ using peer-group
+3. Verify IPv4 routes received with IPv6 nexthop are getting advertised
+ to another IBGP peer without changing the nexthop
+4. Verify IPv4 routes advertised with correct nexthop when nexthop
+unchange is configure on EBGP peers
+ """
+
+
+def setup_module(mod):
+ """Set up the pytest environment."""
+
+ global topo
+ 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 = "{}/rfc5549_ebgp_ibgp_nbr.json".format(CWD)
+ tgen = Topogen(json_file, mod.__name__)
+ global topo
+ topo = tgen.json_topo
+
+ # 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)
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ 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.
+
+ * `mod`: module name
+ """
+ logger.info("Running teardown_module to delete topology")
+
+ tgen = get_topogen()
+
+ # Stop toplogy and Remove tmp files
+ tgen.stop_topology()
+
+
+def get_llip(onrouter, intf):
+ """
+ API to get the link local ipv6 address of a particular interface
+
+ Parameters
+ ----------
+ * `fromnode`: Source node
+ * `tonode` : interface for which link local ip needs to be returned.
+
+ Usage
+ -----
+ result = get_llip('r1', 'r2-link0')
+
+ Returns
+ -------
+ 1) link local ipv6 address from the interface.
+ 2) errormsg - when link local ip not found.
+ """
+ tgen = get_topogen()
+ intf = topo["routers"][onrouter]["links"][intf]["interface"]
+ llip = get_frr_ipv6_linklocal(tgen, onrouter, intf)
+ if llip:
+ logger.info("llip ipv6 address to be set as NH is %s", llip)
+ return llip
+ return None
+
+
+def get_glipv6(onrouter, intf):
+ """
+ API to get the global ipv6 address of a particular interface
+
+ Parameters
+ ----------
+ * `onrouter`: Source node
+ * `intf` : interface for which link local ip needs to be returned.
+
+ Usage
+ -----
+ result = get_glipv6('r1', 'r2-link0')
+
+ Returns
+ -------
+ 1) global ipv6 address from the interface.
+ 2) errormsg - when link local ip not found.
+ """
+ glipv6 = (topo["routers"][onrouter]["links"][intf]["ipv6"]).split("/")[0]
+ if glipv6:
+ logger.info("Global ipv6 address to be set as NH is %s", glipv6)
+ return glipv6
+ return None
+
+
+# ##################################
+# Test cases start here.
+# ##################################
+def test_ibgp_to_ibgp_p1(request):
+ """
+
+ Test Capability extended nexthop.
+
+ Verify IPv4 routes received with IPv6 nexthop are getting advertised to
+ another IBGP peer without changing the nexthop
+ """
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+ reset_config_on_routers(tgen)
+ global topo
+ topo23 = deepcopy(topo)
+ build_config_from_json(tgen, topo23, save_bkup=False)
+
+ step("Configure IPv6 EBGP session between R1 and R2 with " "global IPv6 address")
+ step("Configure IPv6 IBGP session betn R2 & R3 using IPv6 global address")
+ step("Enable capability extended-nexthop on both the IPv6 BGP peers")
+ step("Activate same IPv6 nbr from IPv4 unicast family")
+ step("Enable cap ext nh on r1 and r2 and activate in ipv4 addr family")
+ step("Verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.")
+
+ # verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.
+ bgp_convergence = verify_bgp_convergence(tgen, topo23)
+ assert bgp_convergence is True, "Testcase :Failed \n Error:" " {}".format(
+ bgp_convergence
+ )
+
+ step(" Configure 5 IPv4 static" " routes on R1, Nexthop as different links of R0")
+ for rte in range(0, NO_OF_RTES):
+ # Create Static routes
+ input_dict = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][rte],
+ "no_of_ip": 1,
+ "next_hop": NEXT_HOP["ipv4"][rte],
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Advertise static routes from IPv4 unicast family and IPv6 "
+ "unicast family respectively from R1 using red static cmd "
+ "Advertise loopback from IPv4 unicast family using network command "
+ "from R1"
+ )
+
+ configure_bgp_on_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [{"redist_type": "static"}],
+ "advertise_networks": [
+ {"network": NETWORK_CMD_IP, "no_of_network": 1}
+ ],
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo23, configure_bgp_on_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ step(
+ "IPv4 routes advertised using static and network command are "
+ " received on R2 BGP and routing table , "
+ "verify using show ip bgp, show ip route for IPv4 routes ."
+ )
+
+ gllip = get_llip("r1", "r2-link0")
+ assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ dut = "r2"
+ protocol = "bgp"
+ # verify the routes with nh as ext_nh
+ verify_nh_for_static_rtes = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][0],
+ "no_of_ip": NO_OF_RTES,
+ "next_hop": gllip,
+ }
+ ]
+ }
+ }
+ bgp_rib = verify_bgp_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip
+ )
+ assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
+ result = verify_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ configure_bgp_on_r2 = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2": {
+ "activate": "ipv4",
+ "capability": "extended-nexthop",
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ configure_bgp_on_r3 = {
+ "r3": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {
+ "activate": "ipv4",
+ "capability": "extended-nexthop",
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r3)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step(
+ "IPv4 routes installed on R3 with global address without "
+ "changing the nexthop ( nexthop should IPv6 link local which is"
+ " received from R1)"
+ )
+ gipv6 = get_glipv6("r1", "r2-link0")
+ dut = "r3"
+ verify_nh_for_static_rtes = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][0],
+ "no_of_ip": NO_OF_RTES,
+ "next_hop": gipv6,
+ }
+ ]
+ }
+ }
+ bgp_rib = verify_bgp_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gipv6
+ )
+ assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
+ write_test_footer(tc_name)
+
+
+def test_ext_nh_cap_red_static_network_ibgp_peer_p1(request):
+ """
+
+ Test Extended capability next hop, with ibgp peer.
+
+ Verify IPv4 routes advertise using "redistribute static" and
+ "network command" are received on EBGP peer with IPv6 nexthop
+ """
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+ reset_config_on_routers(tgen)
+ step(
+ " Configure IPv6 EBGP session between R1 & R2 with global IPv6 address"
+ " Enable capability extended-nexthop on the nbr from both the routers"
+ " Activate same IPv6 nbr from IPv4 unicast family"
+ )
+ configure_bgp_on_r2 = {
+ "r2": {
+ "bgp": {
+ "default_ipv4_unicast": "False",
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r3": {
+ "dest_link": {
+ "r2": {
+ "capability": "extended-nexthop",
+ "activate": "ipv4",
+ "next_hop_self": True,
+ "activate": "ipv4",
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ configure_bgp_on_r3 = {
+ "r3": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r3": {
+ "capability": "extended-nexthop",
+ "activate": "ipv4",
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r3)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ for rte in range(0, NO_OF_RTES):
+ # Create Static routes
+ input_dict = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][rte],
+ "no_of_ip": 1,
+ "next_hop": NEXT_HOP["ipv4"][rte],
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ configure_bgp_on_r1 = {
+ "r1": {
+ "bgp": {
+ "default_ipv4_unicast": "False",
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [{"redist_type": "static"}],
+ "advertise_networks": [
+ {"network": NETWORK_CMD_IP, "no_of_network": 1}
+ ],
+ }
+ }
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ gllip = get_llip("r1", "r2-link0")
+ assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ dut = "r2"
+ protocol = "bgp"
+ verify_nh_for_static_rtes = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][0],
+ "no_of_ip": NO_OF_RTES,
+ "next_hop": gllip,
+ }
+ ]
+ }
+ }
+ result = verify_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ verify_nh_for_nw_cmd_rtes = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK_CMD_IP,
+ "no_of_ip": 1,
+ "next_hop": gllip,
+ }
+ ]
+ }
+ }
+
+ result = verify_rib(
+ tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=gllip, protocol=protocol
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ gllip = get_glipv6("r2", "r3")
+ assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ dut = "r3"
+ protocol = "bgp"
+ # verify the routes with nh as ext_nh
+ verify_nh_for_static_rtes = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][0],
+ "no_of_ip": NO_OF_RTES,
+ "next_hop": gllip,
+ }
+ ]
+ }
+ }
+ result = verify_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ verify_nh_for_nw_cmd_rtes = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK_CMD_IP,
+ "no_of_ip": 1,
+ "next_hop": gllip,
+ }
+ ]
+ }
+ }
+ bgp_rib = verify_bgp_rib(
+ tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=gllip
+ )
+ assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
+ result = verify_rib(
+ tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=gllip, protocol=protocol
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ write_test_footer(tc_name)
+
+
+def test_bgp_peer_group_p1(request):
+ """
+ Test extended capability next hop with peer groups.
+
+ Verify IPv4 routes received with IPv6 nexthop are getting advertised to
+ another IBGP peer without changing the nexthop
+ """
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ tgen = get_topogen()
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+ reset_config_on_routers(tgen)
+ global topo
+ topo1 = deepcopy(topo)
+ step("Configure IPv6 EBGP session between R1 and R2 with " "global IPv6 address")
+ step("Configure IPv6 IBGP session betn R2 & R3 using IPv6 global address")
+ step("Enable capability extended-nexthop on both the IPv6 BGP peers")
+ step("Activate same IPv6 nbr from IPv4 unicast family")
+ step("Enable cap ext nh on r1 and r2 and activate in ipv4 addr family")
+ configure_bgp_on_r1 = {
+ "r1": {
+ "bgp": {
+ "default_ipv4_unicast": "False",
+ "peer-group": {
+ "rfc5549": {"capability": "extended-nexthop", "remote-as": "200"}
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ configure_bgp_on_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r1-link0": {
+ "activate": "ipv4",
+ "capability": "extended-nexthop",
+ "peer-group": "rfc5549",
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ configure_bgp_on_r2 = {
+ "r2": {
+ "bgp": {
+ "default_ipv4_unicast": "False",
+ "peer-group": {
+ "rfc5549": {"capability": "extended-nexthop", "remote-as": "100"}
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ configure_bgp_on_r2 = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2-link0": {
+ "capability": "extended-nexthop",
+ "activate": "ipv4",
+ "peer-group": "rfc5549",
+ }
+ }
+ },
+ "r3": {"dest_link": {"r2": {}}},
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ configure_bgp_on_r3 = {
+ "r3": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r3)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("Verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.")
+ bgp_convergence = verify_bgp_convergence(tgen, topo)
+ assert bgp_convergence is True, "Testcase :Failed \n Error:" " {}".format(
+ bgp_convergence
+ )
+
+ step(" Configure 2 IPv4 static" " routes on R1, Nexthop as different links of R0")
+ for rte in range(0, NO_OF_RTES):
+ # Create Static routes
+ input_dict = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][rte],
+ "no_of_ip": 1,
+ "next_hop": NEXT_HOP["ipv4"][rte],
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Advertise static routes from IPv4 unicast family and IPv6 "
+ "unicast family respectively from R1 using red static cmd "
+ "Advertise loopback from IPv4 unicast family using network command "
+ "from R1"
+ )
+
+ configure_bgp_on_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [{"redist_type": "static"}],
+ "advertise_networks": [
+ {"network": NETWORK_CMD_IP, "no_of_network": 1}
+ ],
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ step(
+ "IPv4 routes advertised using static and network command are "
+ " received on R2 BGP and routing table , "
+ "verify using show ip bgp, show ip route for IPv4 routes ."
+ )
+
+ gllip = get_llip("r1", "r2-link0")
+ assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ dut = "r2"
+ protocol = "bgp"
+ verify_nh_for_static_rtes = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][0],
+ "no_of_ip": NO_OF_RTES,
+ "next_hop": gllip,
+ }
+ ]
+ }
+ }
+ bgp_rib = verify_bgp_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip
+ )
+ assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
+ result = verify_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("Enable cap ext nh on r1 and r2 and activate in ipv4 addr family")
+ configure_bgp_on_r1 = {
+ "r1": {
+ "bgp": {
+ "default_ipv4_unicast": "False",
+ "peer-group": {
+ "rfc5549": {"capability": "extended-nexthop", "remote-as": "200"}
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ configure_bgp_on_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {
+ "dest_link": {
+ "r1-link0": {
+ "activate": "ipv4",
+ "capability": "extended-nexthop",
+ "peer-group": "rfc5549",
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ configure_bgp_on_r2 = {
+ "r2": {
+ "bgp": {
+ "default_ipv4_unicast": "False",
+ "peer-group": {
+ "rfc5549": {"capability": "extended-nexthop", "remote-as": "100"}
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ configure_bgp_on_r2 = {
+ "r2": {
+ "bgp": {
+ "address_family": {
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r1": {
+ "dest_link": {
+ "r2-link0": {
+ "capability": "extended-nexthop",
+ "activate": "ipv4",
+ "peer-group": "rfc5549",
+ }
+ }
+ },
+ "r3": {"dest_link": {"r2": {}}},
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ configure_bgp_on_r3 = {
+ "r3": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r3)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("Verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.")
+ bgp_convergence = verify_bgp_convergence(tgen, topo)
+ assert bgp_convergence is True, "Testcase :Failed \n Error:" " {}".format(
+ bgp_convergence
+ )
+
+ step(" Configure 2 IPv4 static" " routes on R1, Nexthop as different links of R0")
+ for rte in range(0, NO_OF_RTES):
+ input_dict = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][rte],
+ "no_of_ip": 1,
+ "next_hop": NEXT_HOP["ipv4"][rte],
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Advertise static routes from IPv4 unicast family and IPv6 "
+ "unicast family respectively from R1 using red static cmd "
+ "Advertise loopback from IPv4 unicast family using network command "
+ "from R1"
+ )
+
+ configure_bgp_on_r1 = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [{"redist_type": "static"}],
+ "advertise_networks": [
+ {"network": NETWORK_CMD_IP, "no_of_network": 1}
+ ],
+ }
+ }
+ }
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ step(
+ "IPv4 routes advertised using static and network command are "
+ " received on R2 BGP and routing table , "
+ "verify using show ip bgp, show ip route for IPv4 routes ."
+ )
+
+ gllip = get_llip("r1", "r2-link0")
+ assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ dut = "r2"
+ protocol = "bgp"
+ verify_nh_for_static_rtes = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": NETWORK["ipv4"][0],
+ "no_of_ip": NO_OF_RTES,
+ "next_hop": gllip,
+ }
+ ]
+ }
+ }
+ bgp_rib = verify_bgp_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip
+ )
+ assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
+ result = verify_rib(
+ tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
+ )
+ 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))