--- /dev/null
+#!/usr/bin/env python
+#
+# 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.
+# Shreenidhi A R <rshreenidhi@vmware.com>
+# 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.
+10. Verify default-originate route after BGP and FRR process restart
+11. Verify default-originate route after shut/no shut and clear BGP neighbor
+"""
+import os
+import sys
+import time
+import pytest
+from lib.topolog import logger
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+from lib.topojson import build_config_from_json
+from lib.topolog import logger
+
+from lib.bgp import (
+ verify_bgp_convergence,
+ create_router_bgp,
+ modify_as_number,
+ clear_bgp,
+ verify_bgp_rib,
+ get_dut_as_number,
+ verify_rib_default_route,
+ verify_fib_default_route,
+)
+from lib.common_config import (
+ interface_status,
+ verify_prefix_lists,
+ verify_fib_routes,
+ kill_router_daemons,
+ start_router_daemons,
+ shutdown_bringup_interface,
+ step,
+ required_linux_kernel_version,
+ stop_router,
+ start_router,
+ create_route_maps,
+ create_prefix_lists,
+ get_frr_ipv6_linklocal,
+ start_topology,
+ write_test_header,
+ check_address_types,
+ write_test_footer,
+ reset_config_on_routers,
+ create_static_routes,
+ check_router_status,
+)
+
+
+# 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/"))
+
+# Required to instantiate the topology builder class.
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+
+# Global variables
+topo = None
+KEEPALIVETIMER = 1
+HOLDDOWNTIMER = 3
+# Global variables
+NETWORK1_1 = {"ipv4": "198.51.1.1/32", "ipv6": "2001:DB8::1:1/128"}
+NETWORK2_1 = {"ipv4": "198.51.1.2/32", "ipv6": "2001:DB8::1:2/128"}
+DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+NEXT_HOP_IP = {"ipv4": "Null0", "ipv6": "Null0"}
+
+r0_connected_address_ipv4 = "192.168.0.0/24"
+r0_connected_address_ipv6 = "fd00::/64"
+r1_connected_address_ipv4 = "192.168.1.0/24"
+r1_connected_address_ipv6 = "fd00:0:0:1::/64"
+r3_connected_address_ipv4 = "192.168.2.0/24"
+r3_connected_address_ipv6 = "fd00:0:0:2::/64"
+r4_connected_address_ipv4 = "192.168.3.0/24"
+r4_connected_address_ipv6 = "fd00:0:0:3::/64"
+
+
+def setup_module(mod):
+ """
+ Sets up the pytest environment
+
+ * `mod`: module name
+ """
+
+ # Required linux kernel version for this suite to run.
+ result = required_linux_kernel_version("4.15")
+ if result is not True:
+ pytest.skip("Kernel requirements are not met")
+
+ 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_default_originate_topo1.json".format(CWD)
+ tgen = Topogen(json_file, mod.__name__)
+ global topo
+ topo = tgen.json_topo
+ # ... and here it calls micronet 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 ADDR_TYPES
+ global BGP_CONVERGENCE
+ global DEFAULT_ROUTES
+ global DEFAULT_ROUTE_NXT_HOP_R1, DEFAULT_ROUTE_NXT_HOP_R3
+ global R0_NETWORK_LOOPBACK, R0_NETWORK_LOOPBACK_NXTHOP, R1_NETWORK_LOOPBACK
+ global R0_NETWORK_CONNECTED, R0_NETWORK_CONNECTED_NXTHOP, R1_NETWORK_CONNECTED, R1_NETWORK_CONNECTED_NXTHOP
+ global R4_NETWORK_LOOPBACK, R4_NETWORK_LOOPBACK_NXTHOP, R3_NETWORK_LOOPBACK
+ global R4_NETWORK_CONNECTED, R4_NETWORK_CONNECTED_NXTHOP, R3_NETWORK_CONNECTED, R3_NETWORK_CONNECTED_NXTHOP
+
+ 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
+ )
+ # There are the global varibles used through out the file these are acheived only after building the topology.
+
+ r0_loopback_address_ipv4 = topo["routers"]["r0"]["links"]["lo"]["ipv4"]
+ r0_loopback_address_ipv4_nxt_hop = topo["routers"]["r0"]["links"]["r1"][
+ "ipv4"
+ ].split("/")[0]
+ r0_loopback_address_ipv6 = topo["routers"]["r0"]["links"]["lo"]["ipv6"]
+ r0_loopback_address_ipv6_nxt_hop = topo["routers"]["r0"]["links"]["r1"][
+ "ipv6"
+ ].split("/")[0]
+
+ r1_loopback_address_ipv4 = topo["routers"]["r1"]["links"]["lo"]["ipv4"]
+ r1_loopback_address_ipv4_nxt_hop = topo["routers"]["r1"]["links"]["r2"][
+ "ipv4"
+ ].split("/")[0]
+ r1_loopback_address_ipv6 = topo["routers"]["r1"]["links"]["lo"]["ipv6"]
+ r1_loopback_address_ipv6_nxt_hop = topo["routers"]["r1"]["links"]["r2"][
+ "ipv6"
+ ].split("/")[0]
+
+ r4_loopback_address_ipv4 = topo["routers"]["r4"]["links"]["lo"]["ipv4"]
+ r4_loopback_address_ipv4_nxt_hop = topo["routers"]["r4"]["links"]["r3"][
+ "ipv4"
+ ].split("/")[0]
+ r4_loopback_address_ipv6 = topo["routers"]["r4"]["links"]["lo"]["ipv6"]
+ r4_loopback_address_ipv6_nxt_hop = topo["routers"]["r4"]["links"]["r3"][
+ "ipv6"
+ ].split("/")[0]
+
+ r3_loopback_address_ipv4 = topo["routers"]["r3"]["links"]["lo"]["ipv4"]
+ r3_loopback_address_ipv4_nxt_hop = topo["routers"]["r3"]["links"]["r2"][
+ "ipv4"
+ ].split("/")[0]
+ r3_loopback_address_ipv6 = topo["routers"]["r3"]["links"]["lo"]["ipv6"]
+ r3_loopback_address_ipv6_nxt_hop = topo["routers"]["r3"]["links"]["r2"][
+ "ipv6"
+ ].split("/")[0]
+
+ R0_NETWORK_LOOPBACK = {
+ "ipv4": r0_loopback_address_ipv4,
+ "ipv6": r0_loopback_address_ipv6,
+ }
+ R0_NETWORK_LOOPBACK_NXTHOP = {
+ "ipv4": r0_loopback_address_ipv4_nxt_hop,
+ "ipv6": r0_loopback_address_ipv6_nxt_hop,
+ }
+
+ R1_NETWORK_LOOPBACK = {
+ "ipv4": r1_loopback_address_ipv4,
+ "ipv6": r1_loopback_address_ipv6,
+ }
+
+ R0_NETWORK_CONNECTED = {
+ "ipv4": r0_connected_address_ipv4,
+ "ipv6": r0_connected_address_ipv6,
+ }
+ R0_NETWORK_CONNECTED_NXTHOP = {
+ "ipv4": r0_loopback_address_ipv4_nxt_hop,
+ "ipv6": r0_loopback_address_ipv6_nxt_hop,
+ }
+
+ R1_NETWORK_CONNECTED = {
+ "ipv4": r1_connected_address_ipv4,
+ "ipv6": r1_connected_address_ipv6,
+ }
+ R1_NETWORK_CONNECTED_NXTHOP = {
+ "ipv4": r1_loopback_address_ipv4_nxt_hop,
+ "ipv6": r1_loopback_address_ipv6_nxt_hop,
+ }
+
+ R4_NETWORK_LOOPBACK = {
+ "ipv4": r4_loopback_address_ipv4,
+ "ipv6": r4_loopback_address_ipv6,
+ }
+ R4_NETWORK_LOOPBACK_NXTHOP = {
+ "ipv4": r4_loopback_address_ipv4_nxt_hop,
+ "ipv6": r4_loopback_address_ipv6_nxt_hop,
+ }
+
+ R3_NETWORK_LOOPBACK = {
+ "ipv4": r3_loopback_address_ipv4,
+ "ipv6": r3_loopback_address_ipv6,
+ }
+ R4_NETWORK_CONNECTED = {
+ "ipv4": r4_connected_address_ipv4,
+ "ipv6": r4_connected_address_ipv6,
+ }
+ R4_NETWORK_CONNECTED_NXTHOP = {
+ "ipv4": r4_loopback_address_ipv4_nxt_hop,
+ "ipv6": r4_loopback_address_ipv6_nxt_hop,
+ }
+
+ R3_NETWORK_CONNECTED = {
+ "ipv4": r3_connected_address_ipv4,
+ "ipv6": r3_connected_address_ipv6,
+ }
+ R3_NETWORK_CONNECTED_NXTHOP = {
+ "ipv4": r3_loopback_address_ipv4_nxt_hop,
+ "ipv6": r3_loopback_address_ipv6_nxt_hop,
+ }
+
+ # populating the nexthop for default routes
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+
+ interface = topo["routers"]["r1"]["links"]["r2"]["interface"]
+ ipv6_link_local = get_frr_ipv6_linklocal(tgen, "r1", intf=interface)
+ ipv4_nxt_hop = topo["routers"]["r1"]["links"]["r2"]["ipv4"].split("/")[0]
+ ipv6_nxt_hop = topo["routers"]["r1"]["links"]["r2"]["ipv6"].split("/")[0]
+ DEFAULT_ROUTE_NXT_HOP_R1 = {"ipv4": ipv4_nxt_hop, "ipv6": ipv6_link_local}
+
+ interface = topo["routers"]["r3"]["links"]["r2"]["interface"]
+ ipv6_link_local = get_frr_ipv6_linklocal(tgen, "r3", intf=interface)
+ ipv4_nxt_hop = topo["routers"]["r3"]["links"]["r2"]["ipv4"].split("/")[0]
+ ipv6_nxt_hop = topo["routers"]["r3"]["links"]["r2"]["ipv6"].split("/")[0]
+ DEFAULT_ROUTE_NXT_HOP_R3 = {"ipv4": ipv4_nxt_hop, "ipv6": ipv6_link_local}
+
+ 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_default_originate_after_BGP_and_FRR_restart_p2(request):
+ """
+ Summary: "Verify default-originate route after BGP and FRR process restart "
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ global topo
+ # test case name
+ 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():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+
+ step("Configure EBGP between R0 to R1 and IBGP between R1 to R2")
+ step("Configure EBGP between R2 to R3 and IBGP between R3 to R4")
+ input_dict = {
+ "r0": {
+ "bgp": {
+ "local_as": 999,
+ }
+ },
+ "r1": {
+ "bgp": {
+ "local_as": 1000,
+ }
+ },
+ "r2": {
+ "bgp": {
+ "local_as": 1000,
+ }
+ },
+ "r3": {
+ "bgp": {
+ "local_as": 4000,
+ }
+ },
+ "r4": {
+ "bgp": {
+ "local_as": 4000,
+ }
+ },
+ }
+ result = modify_as_number(tgen, topo, input_dict)
+ try:
+ assert result is True
+ except AssertionError:
+ logger.info("Expected behaviour: {}".format(result))
+ logger.info("BGP config is not created because of invalid ASNs")
+ step("After changing the BGP AS Path Verify the BGP Convergence")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert (
+ BGP_CONVERGENCE is True
+ ), " Failed convergence after chaning the AS number :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Configure IPv4 and IPv6 static route (Sv4 , Sv6) on R0 and (S1v4, S1v6)on R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r0": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, static_routes_input)
+ assert (
+ result is True
+ ), "Testcase {} : Failed to configure the static route on R0 \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r4": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ ]
+ }
+ }
+ result = create_static_routes(tgen, static_routes_input)
+ assert (
+ result is True
+ ), "Testcase {} : Failed to configure the static route on R4 \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("verify IPv4 and IPv6 static route are configured and up on R0")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r0": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ }
+ ]
+ }
+ }
+ result = verify_fib_routes(tgen, addr_type, "r0", static_routes_input)
+ assert (
+ result is True
+ ), "Testcase {} : Failed Route {} not found in R0 FIB \n Error: {}".format(
+ tc_name, NETWORK1_1, result
+ )
+
+ step("verify IPv4 and IPv6 static route are configured and up on R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r4": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ }
+ ]
+ }
+ }
+ result = verify_fib_routes(tgen, addr_type, "r4", static_routes_input)
+ assert (
+ result is True
+ ), "Testcase {} : Failed Route {} not found in R4 FIB \n Error: {}".format(
+ tc_name, NETWORK2_1, result
+ )
+
+ step(
+ "Configure redistribute connected and static on R0 (R0-R1) on R4 ( R4-R3) IPv4 and IPv6 address family"
+ )
+ redistribute_static = {
+ "r0": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"},
+ {"redist_type": "connected"},
+ ]
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"},
+ {"redist_type": "connected"},
+ ]
+ }
+ },
+ }
+ }
+ },
+ "r4": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"},
+ {"redist_type": "connected"},
+ ]
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {"redist_type": "static"},
+ {"redist_type": "connected"},
+ ]
+ }
+ },
+ }
+ }
+ },
+ }
+ result = create_router_bgp(tgen, topo, redistribute_static)
+ assert (
+ result is True
+ ), "Testcase {} : Failed to configure the static route \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("verify IPv4 and IPv6 static route are configured and up on R1")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+ result = verify_bgp_rib(tgen, addr_type, "r1", static_routes_input)
+ assert (
+ result is True
+ ), "Testcase {} : Failed : Redistributed routes from R0 is not learned in Router R1 RIB \n Error: {}".format(
+ tc_name, result
+ )
+ static_routes_input = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R1_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R1_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R1_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R1_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r1", static_routes_input)
+ assert (
+ result is True
+ ), "Testcase {} : Failed : Redistributed routes from R0 is not learned in Router R1 FIB \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("verify IPv4 and IPv6 static route are configured and up on R3")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r3": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+ result = verify_bgp_rib(tgen, addr_type, "r3", static_routes_input)
+ assert (
+ result is True
+ ), "Testcase {} : Failed : Redistributed routes from R4 is not learned in Router R3 RIB \n Error: {}".format(
+ tc_name, result
+ )
+ static_routes_input = {
+ "r3": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R3_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R3_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R3_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R3_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r3", static_routes_input)
+ assert (
+ result is True
+ ), "Testcase {} : Redistributed routes from R4 is not learned in Router R3 FIB \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure IPv4 and IPv6 prefix-list on R1 for (Sv4 , Sv6) route")
+ input_dict_3 = {
+ "r1": {
+ "prefix_lists": {
+ "ipv4": {
+ "Pv4": [
+ {
+ "seqid": "1",
+ "network": NETWORK1_1["ipv4"],
+ "action": "permit",
+ }
+ ]
+ },
+ "ipv6": {
+ "Pv6": [
+ {
+ "seqid": "1",
+ "network": NETWORK1_1["ipv6"],
+ "action": "permit",
+ }
+ ]
+ },
+ }
+ }
+ }
+ result = create_prefix_lists(tgen, input_dict_3)
+ assert (
+ result is True
+ ), "Testcase {} : Failed to configure the prefix lists \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify the Prefix - lists")
+ input_dict = {"r3": {"prefix_lists": ["Pv4", "Pv6"]}}
+ result = verify_prefix_lists(tgen, input_dict)
+ assert (
+ result is True
+ ), "Testcase {} : Failed to verify the prefix lists in router R3 \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Configure IPv4 (RMv4) and IPv6 (RMv6) route-map on R1")
+ input_dict_3 = {
+ "r1": {
+ "route_maps": {
+ "RMv4": [
+ {
+ "action": "permit",
+ "seq_id": "1",
+ "match": {"ipv4": {"prefix_lists": "Pv4"}},
+ },
+ ],
+ "RMv6": [
+ {
+ "action": "permit",
+ "seq_id": "1",
+ "match": {"ipv6": {"prefix_lists": "Pv6"}},
+ },
+ ],
+ }
+ }
+ }
+ result = create_route_maps(tgen, input_dict_3)
+ assert (
+ result is True
+ ), "Testcase {} : Failed to configure the route-map \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ " Configure default originate with route-map RMv4 and RMv6 for IPv4 and IPv6 bgp neighbors on R1 ( R1-R2) "
+ )
+ local_as = get_dut_as_number(tgen, dut="r1")
+ default_originate_config = {
+ "r1": {
+ "bgp": {
+ "local_as": local_as,
+ "address_family": {
+ "ipv4": {
+ "unicast": {"default_originate": {"r2": {"route_map": "RMv4"}}}
+ },
+ "ipv6": {
+ "unicast": {"default_originate": {"r2": {"route_map": "RMv6"}}}
+ },
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, default_originate_config)
+ assert (
+ result is True
+ ), "Testcase {} : Failed to configure the default-originate in R1 towards R2 \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("verify IPv4 and IPv6 default route received on R2 with R1 nexthop ")
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ )
+ assert (
+ result is True
+ ), "Testcase {} : Failed : Default routes are not learned in R2 FIB \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ )
+ assert (
+ result is True
+ ), "Testcase {} : Failed : Default routes are not learned in R2 RIB\n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Configure redistribute connected and static on R1 IPv4 and IPv6 address family"
+ )
+ redistribute_static = {
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {"redistribute": [{"redist_type": "connected"}]}
+ },
+ "ipv6": {
+ "unicast": {"redistribute": [{"redist_type": "connected"}]}
+ },
+ }
+ }
+ },
+ }
+ result = create_router_bgp(tgen, topo, redistribute_static)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step(
+ "Verify IPv4 and IPv6 static and loopback route advertised from R4 and R0 are received on R2"
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(" Configure default-originate on R3 for R3 to R2 IPv4 and IPv6 BGP neighbors ")
+ local_as = get_dut_as_number(tgen, dut="r3")
+ default_originate_config = {
+ "r3": {
+ "bgp": {
+ "local_as": local_as,
+ "address_family": {
+ "ipv4": {"unicast": {"default_originate": {"r2": {}}}},
+ "ipv6": {"unicast": {"default_originate": {"r2": {}}}},
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, default_originate_config)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ STEP = """After configuring the Default Originate From R3 --> R2
+ Both Default routes from R1 and R3 Should present in R2 BGP RIB.
+ 'The Deafult Route from iBGP is preffered over EBGP' thus
+ Default Route From R1->r2 should only present in R2 FIB """
+ step(STEP)
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n IBGP default route should be preffered over EBGP default-originate \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("Verify the default route from R1 is recieved both on RIB and FIB on R2")
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=False,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step(
+ "Verify the static and loopback route advertised from R0 and R4 are received on R2 "
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(" BGP Daemon restart operation")
+ routers = ["r1", "r2"]
+ for dut in routers:
+ step(
+ "Restart BGPD process on {}, when all the processes are running use watchfrr ".format(
+ dut
+ )
+ )
+ kill_router_daemons(tgen, dut, ["bgpd"])
+ start_router_daemons(tgen, dut, ["bgpd"])
+
+ step("After restarting the BGP daomon Verify the default originate ")
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n IBGP default route should be prefeered over EBGP \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify the default route from R1 is is recieved both on RIB and FIB on R2"
+ )
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=False,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify the static and loopback route advertised from R0 and R4 are received on R2 "
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(" Restarting FRR routers operation")
+ """
+ NOTE : Verify that iBGP default route is preffered over eBGP default route
+ """
+ routers = ["r1", "r2"]
+ for dut in routers:
+ step(
+ "Restart FRR router process on {}, when all the processes are running use watchfrr ".format(
+ dut
+ )
+ )
+
+ stop_router(tgen, dut)
+ start_router(tgen, dut)
+
+ result = verify_bgp_convergence(tgen, topo)
+ assert (
+ result is True
+ ), " Testcase {} : After Restarting {} Convergence Failed".format(tc_name, dut)
+
+ step("After restarting the FRR Router Verify the default originate ")
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify the default route from R1 is is recieved both on RIB and FIB on R2"
+ )
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed\n IBGP default route should be preffered over EBGP default route \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify the static and loopback route advertised from R0 and R4 are received on R2 "
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ write_test_footer(tc_name)
+
+def test_verify_default_originate_after_shut_no_shut_bgp_neighbor_p1(request):
+ """
+ Summary: "Verify default-originate route after shut/no shut and clear BGP neighbor "
+ """
+ tgen = get_topogen()
+ global BGP_CONVERGENCE
+ global topo
+ # test case name
+ 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():
+ check_router_status(tgen)
+ reset_config_on_routers(tgen)
+
+ if BGP_CONVERGENCE != True:
+ pytest.skip("skipped because of BGP Convergence failure")
+
+ step("Configure EBGP between R0 to R1 and IBGP between R1 to R2")
+ step("Configure EBGP between R2 to R3 and IBGP between R3 to R4")
+ input_dict = {
+ "r0": {
+ "bgp": {
+ "local_as": 999,
+ }
+ },
+ "r1": {
+ "bgp": {
+ "local_as": 1000,
+ }
+ },
+ "r2": {
+ "bgp": {
+ "local_as": 1000,
+ }
+ },
+ "r3": {
+ "bgp": {
+ "local_as": 4000,
+ }
+ },
+ "r4": {
+ "bgp": {
+ "local_as": 4000,
+ }
+ },
+ }
+ result = modify_as_number(tgen, topo, input_dict)
+ try:
+ assert result is True
+ except AssertionError:
+ logger.info("Expected behaviour: {}".format(result))
+ logger.info("BGP config is not created because of invalid ASNs")
+ step("After changing the BGP AS Path Verify the BGP Convergence")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Configure one IPv4 and one IPv6 static route on R0 and R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r0": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r4": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify IPv4 and IPv6 static route configured on R0 and R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r0": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ }
+ ]
+ }
+ }
+ result = verify_fib_routes(tgen, addr_type, "r0", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r4": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ }
+ ]
+ }
+ }
+ result = verify_fib_routes(tgen, addr_type, "r4", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Configure redistribute connected and static on R0 (R0-R1) on R4 ( R4-R3) IPv4 and IPv6 address family"
+ )
+ redistribute_static = {
+ "r0": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {
+ "redist_type": "static",
+ },
+ {
+ "redist_type": "connected",
+ },
+ ]
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {
+ "redist_type": "static",
+ },
+ {
+ "redist_type": "connected",
+ },
+ ]
+ }
+ },
+ }
+ }
+ },
+ "r4": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {
+ "redist_type": "static",
+ },
+ {
+ "redist_type": "connected",
+ },
+ ]
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {
+ "redist_type": "static",
+ },
+ {
+ "redist_type": "connected",
+ },
+ ]
+ }
+ },
+ }
+ }
+ },
+ "r1": {
+ "bgp": {
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "redistribute": [
+ {
+ "redist_type": "connected",
+ }
+ ]
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "redistribute": [
+ {
+ "redist_type": "connected",
+ }
+ ]
+ }
+ },
+ }
+ }
+ },
+ }
+ result = create_router_bgp(tgen, topo, redistribute_static)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("Verify IPv4 and IPv6 static route configured on R1 from R0")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+ result = verify_bgp_rib(tgen, addr_type, "r1", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_routes(tgen, addr_type, "r1", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify IPv4 and IPv6 static route configured on R3 from R4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r3": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+ result = verify_bgp_rib(tgen, addr_type, "r3", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_routes(tgen, addr_type, "r3", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Configure default-originate on R1 for R1 to R2 neighbor for IPv4 and IPv6 peer "
+ )
+ local_as = get_dut_as_number(tgen, dut="r1")
+ default_originate_config = {
+ "r1": {
+ "bgp": {
+ "local_as": local_as,
+ "address_family": {
+ "ipv4": {"unicast": {"default_originate": {"r2": {}}}},
+ "ipv6": {"unicast": {"default_originate": {"r2": {}}}},
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, default_originate_config)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("Verify IPv4 and IPv6 bgp default route received on R2 nexthop as R1")
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ step(
+ "After configuring default-originate command , verify default routes are advertised on R2 from R0 and R4"
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [DEFAULT_ROUTES[addr_type]],
+ "next_hop": DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(
+ tgen,
+ addr_type,
+ "r2",
+ static_routes_input,
+ next_hop=DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(
+ tgen,
+ addr_type,
+ "r2",
+ static_routes_input,
+ next_hop=DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Configure default-originate on R3 for R3 to R2 neighbor for IPv4 and IPv6 peer"
+ )
+ local_as = get_dut_as_number(tgen, dut="r3")
+ default_originate_config = {
+ "r3": {
+ "bgp": {
+ "local_as": local_as,
+ "address_family": {
+ "ipv4": {"unicast": {"default_originate": {"r2": {}}}},
+ "ipv6": {"unicast": {"default_originate": {"r2": {}}}},
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, topo, default_originate_config)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ STEP = """After configuring the Default Originate From R3 --> R2
+ Both Default routes from R1 and R3 Should present in R2 BGP RIB.
+ 'The Deafult Route from iBGP is preffered over EBGP' thus
+ Default Route From R1->r2 should only present in R2 FIB """
+ step(STEP)
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n IBGP default route should be preffered over EBGP \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("Verify the default route from R1 is recieved both on RIB and FIB on R2")
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step(
+ "After configuring default-originate command , verify static ,connected and loopback routes are advertised on R2 from R0 and R4"
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ # updating the topology with the updated AS-Number to avoid conflict in con configuring the AS
+ updated_topo = topo
+ updated_topo["routers"]["r0"]["bgp"]["local_as"] = get_dut_as_number(tgen, "r0")
+ updated_topo["routers"]["r1"]["bgp"]["local_as"] = get_dut_as_number(tgen, "r1")
+ updated_topo["routers"]["r2"]["bgp"]["local_as"] = get_dut_as_number(tgen, "r2")
+ updated_topo["routers"]["r3"]["bgp"]["local_as"] = get_dut_as_number(tgen, "r3")
+ updated_topo["routers"]["r4"]["bgp"]["local_as"] = get_dut_as_number(tgen, "r4")
+
+ step(
+ "Shut R1 to R2 IPv4 and IPv6 BGP neighbor from R1 IPv4 and IPv6 address family "
+ )
+
+ local_as = get_dut_as_number(tgen, dut="r1")
+ shut_neighbor = {
+ "r1": {
+ "bgp": {
+ "local_as": local_as,
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r1": {"shutdown": True}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r1": {"shutdown": True}}}
+ }
+ }
+ },
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, updated_topo, shut_neighbor)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ interface = topo["routers"]["r2"]["links"]["r1"]["interface"]
+ input_dict = {"r2": {"interface_list": [interface], "status": "down"}}
+
+ result = interface_status(tgen, topo, input_dict)
+ assert (
+ result is True
+ ), "Testcase {} : Bring down interface failed ! \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify IPv4 and IPv6 default static and loopback route which received from R1 are deleted from R2"
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r1": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+ result = verify_bgp_rib(
+ tgen, addr_type, "r2", static_routes_input, expected=False
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n after shutting down interface routes are not expected \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_routes(
+ tgen, addr_type, "r2", static_routes_input, expected=False
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n after shutting down interface routes are not expected \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("verify that No impact on IPv4 IPv6 and default route received from R3 ")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step(
+ "No-Shut R1 to R2 IPv4 and IPv6 BGP neighbor from R1 IPv4 and IPv6 address family "
+ )
+ local_as = get_dut_as_number(tgen, dut="r1")
+ shut_neighbor = {
+ "r1": {
+ "bgp": {
+ "local_as": local_as,
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r1": {"shutdown": False}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r1": {"shutdown": False}}}
+ }
+ }
+ },
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, updated_topo, shut_neighbor)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ interface = topo["routers"]["r2"]["links"]["r1"]["interface"]
+ input_dict = {"r2": {"interface_list": [interface], "status": "up"}}
+
+ result = interface_status(tgen, topo, input_dict)
+ assert (
+ result is True
+ ), "Testcase {} : Bring up interface failed ! \n Error: {}".format(tc_name, result)
+
+ step(
+ "After no shut Verify IPv4 and IPv6 bgp default route next hop as R1 , static ,connected and loopback received on R2 from r0 and r4 "
+ )
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [DEFAULT_ROUTES[addr_type]],
+ "next_hop": DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(
+ tgen,
+ addr_type,
+ "r2",
+ static_routes_input,
+ next_hop=DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(
+ tgen,
+ addr_type,
+ "r2",
+ static_routes_input,
+ next_hop=DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step(
+ "Shut R3 to R2 IPv4 and IPv6 BGP neighbor from R2 IPv4 and IPv6 address family"
+ )
+ local_as = get_dut_as_number(tgen, dut="r3")
+ shut_neighbor = {
+ "r3": {
+ "bgp": {
+ "local_as": local_as,
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r3": {"shutdown": True}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r3": {"shutdown": True}}}
+ }
+ }
+ },
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, updated_topo, shut_neighbor)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ interface = topo["routers"]["r2"]["links"]["r3"]["interface"]
+ input_dict = {"r2": {"interface_list": [interface], "status": "down"}}
+
+ result = interface_status(tgen, topo, input_dict)
+ assert (
+ result is True
+ ), "Testcase {} : Bring down interface failed ! \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify IPv4 and IPv6 default static and loopback route which received from R3 are deleted from R2 "
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r3": {
+ "static_routes": [
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+ result = verify_bgp_rib(
+ tgen, addr_type, "r2", static_routes_input, expected=False
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed\n After shutting down the interface routes are not expected \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_routes(
+ tgen, addr_type, "r2", static_routes_input, expected=False
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n After shutting down the interface routes are not expected \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that Default route is removed i.e advertised from R3")
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n After shutting down the interface Default route are not expected \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed \n After shutting down the interface Default route are not expected \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify that No impact on IPv4 IPv6 and default route received from R1")
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [DEFAULT_ROUTES[addr_type]],
+ "next_hop": DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(
+ tgen,
+ addr_type,
+ "r2",
+ static_routes_input,
+ next_hop=DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(
+ tgen,
+ addr_type,
+ "r2",
+ static_routes_input,
+ next_hop=DEFAULT_ROUTE_NXT_HOP_R1[addr_type],
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "No-Shut R3 to R2 IPv4 and IPv6 BGP neighbor from R2 IPv4 and IPv6 address family"
+ )
+ local_as = get_dut_as_number(tgen, dut="r3")
+ shut_neighbor = {
+ "r3": {
+ "bgp": {
+ "local_as": local_as,
+ "address_family": {
+ "ipv4": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r3": {"shutdown": False}}}
+ }
+ }
+ },
+ "ipv6": {
+ "unicast": {
+ "neighbor": {
+ "r2": {"dest_link": {"r3": {"shutdown": False}}}
+ }
+ }
+ },
+ },
+ }
+ }
+ }
+ result = create_router_bgp(tgen, updated_topo, shut_neighbor)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ interface = topo["routers"]["r2"]["links"]["r3"]["interface"]
+ input_dict = {"r2": {"interface_list": [interface], "status": "up"}}
+
+ result = interface_status(tgen, topo, input_dict)
+ assert (
+ result is True
+ ), "Testcase {} : Bring up interface failed ! \n Error: {}".format(tc_name, result)
+
+ step(
+ "Verify that a static ,connected and loopback routes are received from R0 and R4 on R2 "
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step("verify that default route is received on R2 from R1")
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+ step("verify that default route is received on R2 from R3")
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step("Clear IPv4 and IP6 BGP session from R2 and R1 one by one ")
+ routers = ["r1", "r2"]
+ for dut in routers:
+ for addr_type in ADDR_TYPES:
+
+ clear_bgp(tgen, addr_type, dut)
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step("verify that default route is received on R2 from R3")
+
+ interface = topo["routers"]["r3"]["links"]["r2"]["interface"]
+ ipv6_link_local = get_frr_ipv6_linklocal(tgen, "r3", intf=interface)
+ ipv4_nxt_hop = topo["routers"]["r3"]["links"]["r2"]["ipv4"].split("/")[0]
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ DEFAULT_ROUTE_NXT_HOP = {"ipv4": ipv4_nxt_hop, "ipv6": ipv6_link_local}
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step(
+ "Verify the static , loopback and connected routes received from r0 and r4"
+ )
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Shut BGP neighbor interface R2 (R2 to R1) link ")
+ intf_r2_r1 = topo["routers"]["r2"]["links"]["r1"]["interface"]
+ shutdown_bringup_interface(tgen, "r2", intf_r2_r1, False)
+
+ step("Verify the bgp Convergence ")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo, expected=False)
+ assert (
+ BGP_CONVERGENCE is not True
+ ), " :Failed After shutting interface BGP convergence is expected to be faileed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify that default route from R1 got deleted from BGP and RIB table")
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=False,
+ )
+ assert (
+ result is not True
+ ), "Testcase {} : Failed\n After shuting interface default route should be removed from RIB \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("No - Shut BGP neighbor interface R2 (R2 to R1) link ")
+ intf_r2_r1 = topo["routers"]["r2"]["links"]["r1"]["interface"]
+ shutdown_bringup_interface(tgen, "r2", intf_r2_r1, True)
+
+ step("Verify the bgp Convergence ")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
+ assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ step("verify that default route is received on R2 from R3")
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify the static , loopback and connected routes received from r0 and r4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Shut link from R3 to R2 from R3")
+ intf_r3_r2 = topo["routers"]["r3"]["links"]["r2"]["interface"]
+ shutdown_bringup_interface(tgen, "r3", intf_r3_r2, False)
+
+ step("Verify the bgp Convergence ")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo, expected=False)
+ assert (
+ BGP_CONVERGENCE is not True
+ ), " :Failed \nAfter Shuting the interface BGP convegence is expected to be failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+
+ step("Verify that default route from R3 got deleted from BGP and RIB table")
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+ step("No-Shut link from R3 to R2 from R3")
+
+ ipv4_nxt_hop = topo["routers"]["r1"]["links"]["r2"]["ipv4"].split("/")[0]
+ ipv6_nxt_hop = topo["routers"]["r1"]["links"]["r2"]["ipv6"].split("/")[0]
+
+ DEFAULT_ROUTE_NXT_HOP_1 = {"ipv4": ipv4_nxt_hop, "ipv6": ipv6_nxt_hop}
+
+ ipv4_nxt_hop = topo["routers"]["r1"]["links"]["r2"]["ipv4"].split("/")[0]
+ ipv6_nxt_hop = topo["routers"]["r1"]["links"]["r2"]["ipv6"].split("/")[0]
+
+ DEFAULT_ROUTE_NXT_HOP_3 = {"ipv4": ipv4_nxt_hop, "ipv6": ipv6_nxt_hop}
+
+ intf_r3_r2 = topo["routers"]["r3"]["links"]["r2"]["interface"]
+ shutdown_bringup_interface(tgen, "r3", intf_r3_r2, True)
+
+ step("Verify the bgp Convergence ")
+ BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo, expected=True)
+ assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error: {}".format(
+ BGP_CONVERGENCE
+ )
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R1,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ step("verify that default route is received on R2 from R3")
+
+ DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"}
+
+ result = verify_rib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=True,
+ )
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+ result = verify_fib_default_route(
+ tgen,
+ topo,
+ dut="r2",
+ routes=DEFAULT_ROUTES,
+ expected_nexthop=DEFAULT_ROUTE_NXT_HOP_R3,
+ expected=False,
+ )
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ step("Verify the static , loopback and connected routes received from r0 and r4")
+ for addr_type in ADDR_TYPES:
+ static_routes_input = {
+ "r2": {
+ "static_routes": [
+ {
+ "network": [NETWORK1_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [NETWORK2_1[addr_type]],
+ "next_hop": NEXT_HOP_IP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R0_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R0_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R0_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_LOOPBACK[addr_type]],
+ "next_hop": R4_NETWORK_LOOPBACK_NXTHOP[addr_type],
+ },
+ {
+ "network": [R4_NETWORK_CONNECTED[addr_type]],
+ "next_hop": R4_NETWORK_CONNECTED_NXTHOP[addr_type],
+ },
+ ]
+ }
+ }
+
+ result = verify_fib_routes(tgen, addr_type, "r2", static_routes_input)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result
+ )
+
+ result = verify_bgp_rib(tgen, addr_type, "r2", static_routes_input)
+ 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))
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