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Diffstat (limited to 'tests/topotests/bgp_default_originate/test_bgp_default_originate_topo1_2.py')
| -rw-r--r-- | tests/topotests/bgp_default_originate/test_bgp_default_originate_topo1_2.py | 2439 |
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diff --git a/tests/topotests/bgp_default_originate/test_bgp_default_originate_topo1_2.py b/tests/topotests/bgp_default_originate/test_bgp_default_originate_topo1_2.py new file mode 100644 index 0000000..8e6f930 --- /dev/null +++ b/tests/topotests/bgp_default_originate/test_bgp_default_originate_topo1_2.py @@ -0,0 +1,2439 @@ +#!/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. +5. Verify BGP default originate route-map with OUT route-map +6. Verify BGP default originate route-map with IN route-map +8. Verify BGP default route after removing default-originate +9. Verify default-originate route with GR +""" +import os +import sys +import time +import pytest +from time import sleep +from copy import deepcopy +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, + verify_graceful_restart, + create_router_bgp, + verify_router_id, + modify_as_number, + verify_as_numbers, + clear_bgp_and_verify, + clear_bgp, + verify_bgp_rib, + get_prefix_count_route, + get_dut_as_number, + verify_rib_default_route, + verify_fib_default_route, + verify_bgp_advertised_routes_from_neighbor, + verify_bgp_received_routes_from_neighbor, +) +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, + delete_route_maps, +) + + +pytestmark = [pytest.mark.bgpd, pytest.mark.staticd] + +# 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": "1.1.1.1/32", "ipv6": "1::1/128"} +NETWORK1_2 = {"ipv4": "1.1.1.2/32", "ipv6": "1::2/128"} +NETWORK2_1 = {"ipv4": "2.1.1.1/32", "ipv6": "2::1/128"} +NETWORK2_2 = {"ipv4": "2.1.1.2/32", "ipv6": "2::2/128"} +NETWORK3_1 = {"ipv4": "3.1.1.1/32", "ipv6": "3::1/128"} +NETWORK3_2 = {"ipv4": "3.1.1.2/32", "ipv6": "3::2/128"} +NETWORK4_1 = {"ipv4": "4.1.1.1/32", "ipv6": "4::1/128"} +NETWORK4_2 = {"ipv4": "4.1.1.2/32", "ipv6": "4::2/128"} +NETWORK5_1 = {"ipv4": "5.1.1.1/32", "ipv6": "5::1/128"} +NETWORK5_2 = {"ipv4": "5.1.1.2/32", "ipv6": "5::2/128"} +DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"} +NEXT_HOP_IP = {"ipv4": "Null0", "ipv6": "Null0"} + +IPV4_RM = "RMVIPV4" +IPV6_RM = "RMVIPV6" + +IPV4_RM1 = "RMVIPV41" +IPV6_RM1 = "RMVIPV61" + +IPV4_RM2 = "RMVIPV42" +IPV6_RM2 = "RMVIPV62" + +IPV4_PL_1 = "PV41" +IPV4_PL_2 = "PV42" + +IPV6_PL_1 = "PV61" +IPV6_PL_2 = "PV62" + + +r1_ipv4_loopback = "1.0.1.0/24" +r2_ipv4_loopback = "1.0.2.0/24" +r3_ipv4_loopback = "1.0.3.0/24" +r4_ipv4_loopback = "1.0.4.0/24" +r1_ipv6_loopback = "2001:db8:f::1:0/120" +r2_ipv6_loopback = "2001:db8:f::2:0/120" +r3_ipv6_loopback = "2001:db8:f::3:0/120" +r4_ipv6_loopback = "2001:db8:f::4:0/120" + +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 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 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, R1_NETWORK_LOOPBACK_NXTHOP + 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, R3_NETWORK_LOOPBACK_NXTHOP + 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, + } + R1_NETWORK_LOOPBACK_NXTHOP = { + "ipv4": r1_loopback_address_ipv4_nxt_hop, + "ipv6": r1_loopback_address_ipv6_nxt_hop, + } + + 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, + } + R3_NETWORK_LOOPBACK_NXTHOP = { + "ipv4": r3_loopback_address_ipv4_nxt_hop, + "ipv6": r3_loopback_address_ipv6_nxt_hop, + } + + 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) + + +##################################################### +# +# Local API's +# +##################################################### + + +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) + return True + + +##################################################### +# +# Testcases +# +##################################################### + + +def test_verify_bgp_default_originate_route_map_in_OUT_p1(request): + """ + test_verify_bgp_default_originate_route_map_in_OUT_p1 + """ + 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 IPv4 and IPv6 , EBGP neighbor between R3 and R2") + step("Configure IPv4 and IPv6 IBGP neighbor between R3 and R4") + r0_local_as = topo["routers"]["r0"]["bgp"]["local_as"] + r1_local_as = topo["routers"]["r1"]["bgp"]["local_as"] + r2_local_as = topo["routers"]["r2"]["bgp"]["local_as"] + r3_local_as = topo["routers"]["r3"]["bgp"]["local_as"] + r4_local_as = topo["routers"]["r4"]["bgp"]["local_as"] + input_dict = { + "r0": { + "bgp": { + "local_as": r0_local_as, + } + }, + "r1": { + "bgp": { + "local_as": r1_local_as, + } + }, + "r2": { + "bgp": { + "local_as": r2_local_as, + } + }, + "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 2 IPv4 and 2 IPv6, Static route on R4 with next-hop as Null0 IPv4 route Sv41, Sv42, IPv6 route Sv61 Sv62" + ) + for addr_type in ADDR_TYPES: + static_routes_input = { + "r4": { + "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], + }, + ] + } + } + 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 are configured and up on R4") + for addr_type in ADDR_TYPES: + static_routes_input = { + "r4": { + "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], + }, + ] + } + } + 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 static knob on R4 , for R4 to R3 neighbor ") + redistribute_static = { + "r4": { + "bgp": { + "address_family": { + "ipv4": {"unicast": {"redistribute": [{"redist_type": "static"}]}}, + "ipv6": {"unicast": {"redistribute": [{"redist_type": "static"}]}}, + } + } + } + } + result = create_router_bgp(tgen, topo, redistribute_static) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + expected_routes = { + "ipv4": [ + {"network": NETWORK1_1["ipv4"], "nexthop": NEXT_HOP_IP["ipv4"]}, + {"network": NETWORK2_1["ipv4"], "nexthop": NEXT_HOP_IP["ipv4"]}, + ], + "ipv6": [ + {"network": NETWORK1_1["ipv6"], "nexthop": NEXT_HOP_IP["ipv4"]}, + {"network": NETWORK2_1["ipv6"], "nexthop": NEXT_HOP_IP["ipv4"]}, + ], + } + result = verify_bgp_advertised_routes_from_neighbor( + tgen, topo, dut="r4", peer="r3", expected_routes=expected_routes + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "After redistribute static verify the routes is recevied in router R3 in RIB and FIB" + ) + for addr_type in ADDR_TYPES: + static_routes_input = { + "r3": { + "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], + }, + ] + } + } + result = verify_fib_routes(tgen, addr_type, "r3", static_routes_input) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + result = verify_bgp_rib(tgen, addr_type, "r3", static_routes_input) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + step( + "Configure IPv4 prefix-list Pv4 and and IPv6 prefix-list Pv6 on R3 to match BGP route Sv41, IPv6 route Sv61 with permit option " + ) + input_dict_3 = { + "r3": { + "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 \n Error: {}".format(tc_name, result) + + step("verify IPv4 and IPv6 Prefix list got configured on R3") + input_dict = {"r3": {"prefix_lists": ["Pv4", "Pv6"]}} + result = verify_prefix_lists(tgen, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "Configure IPv4 and IPv6 route-map RMv4 and RMv6 matching prefix-list Pv4 and Pv6 with permit option " + ) + input_dict_3 = { + "r3": { + "route_maps": { + "RM4": [ + { + "action": "permit", + "seq_id": "1", + "match": {"ipv4": {"prefix_lists": "Pv4"}}, + }, + ], + "RM6": [ + { + "action": "permit", + "seq_id": "1", + "match": {"ipv6": {"prefix_lists": "Pv6"}}, + }, + ], + } + } + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "Configure IPv4 prefix-list Pv42 and and IPv6 prefix-list Pv62 on R3 to match BGP route Sv42, IPv6 route Sv62 with deny option" + ) + input_dict_3 = { + "r3": { + "prefix_lists": { + "ipv4": { + "Pv42": [ + {"seqid": "1", "network": NETWORK2_1["ipv4"], "action": "deny"} + ] + }, + "ipv6": { + "Pv62": [ + {"seqid": "1", "network": NETWORK2_1["ipv6"], "action": "deny"} + ] + }, + } + } + } + result = create_prefix_lists(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("verify IPv4 and IPv6 Prefix list got configured on R3") + input_dict = {"r3": {"prefix_lists": ["Pv42", "Pv62"]}} + result = verify_prefix_lists(tgen, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "Configure IPv4 and IPv6 route-map (RMv42 and RMv62 )matching prefix-list Pv42 and Pv62 with permit option " + ) + input_dict_3 = { + "r3": { + "route_maps": { + "RMv42": [ + { + "action": "permit", + "seq_id": "1", + "match": {"ipv4": {"prefix_lists": "Pv42"}}, + }, + ], + "RMv62": [ + { + "action": "permit", + "seq_id": "1", + "match": {"ipv6": {"prefix_lists": "Pv62"}}, + }, + ], + } + } + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "Apply IPv4 and IPv6 route-map RMv4 and RMv6 with default-originate on R3 , for R3 to R2 peers and Apply IPv4 and IPv6 out route-map RMv42 and RMv62 on R3 , for R3 to R2 peers " + ) + local_as = get_dut_as_number(tgen, "r3") + default_originate_config = { + "r3": { + "bgp": { + "local_as": local_as, + "address_family": { + "ipv4": { + "unicast": {"default_originate": {"r2": {"route_map": "RM4"}}} + }, + "ipv6": { + "unicast": {"default_originate": {"r2": {"route_map": "RM6"}}} + }, + }, + } + } + } + result = create_router_bgp(tgen, topo, default_originate_config) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + 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( + "Apply IPv4 and IPv6 route-map RMv42 and RMv62 on R3 (OUT Direction), for R3 to R2 peers " + ) + input_dict_4 = { + "r3": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r3": { + "route_maps": [ + {"name": "RMv42", "direction": "out"} + ] + } + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r3": { + "route_maps": [ + {"name": "RMv62", "direction": "out"} + ] + } + } + } + } + } + }, + } + } + } + } + + result = create_router_bgp(tgen, updated_topo, input_dict_4) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + NOTE = """ + After applying route-map on neighbor verify default BGP route IPv4 IPv6 route populated in R2 BGP and routing table , verify using "show ip bgp json" "show ipv6 bgp json" "show ip route json" "show ip route json" + Sv42 and Sv62 route should not be present on R2 + """ + step(NOTE) + 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_R3[addr_type], + } + ] + } + } + + result = verify_fib_routes( + tgen, + addr_type, + "r2", + static_routes_input, + next_hop=DEFAULT_ROUTE_NXT_HOP_R3[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_R3[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], + }, + ] + } + } + + result = verify_fib_routes( + tgen, addr_type, "r2", static_routes_input, expected=False + ) + assert ( + result is not True + ), "Testcase {} : Failed \n Static routes are not expected due to conditions \nError: {}".format( + tc_name, result + ) + + result = verify_bgp_rib( + tgen, addr_type, "r2", static_routes_input, expected=False + ) + assert ( + result is not True + ), "Testcase {} : Failed \n Static routes are not expected due to conditions\n Error: {}".format( + tc_name, result + ) + + step("Change IPv4 prefix-list Pv42 and and IPv6 prefix-list Pv62 deny to permit") + input_dict_3 = { + "r3": { + "prefix_lists": { + "ipv4": { + "Pv42": [ + { + "seqid": "1", + "network": NETWORK2_1["ipv4"], + "action": "permit", + } + ] + }, + "ipv6": { + "Pv62": [ + { + "seqid": "1", + "network": NETWORK2_1["ipv6"], + "action": "permit", + } + ] + }, + } + } + } + result = create_prefix_lists(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("verify IPv4 and IPv6 Prefix list got configured on R3") + input_dict = {"r3": {"prefix_lists": ["Pv42", "Pv62"]}} + result = verify_prefix_lists(tgen, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + NOTE = """Default BGP route and IPv4 ( Sv42) , IPv6 (Sv62) route populated in R2 BGP and routing table""" + step(NOTE) + 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_R3[addr_type], + } + ] + } + } + + result = verify_fib_routes( + tgen, + addr_type, + "r2", + static_routes_input, + next_hop=DEFAULT_ROUTE_NXT_HOP_R3[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_R3[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": [NETWORK2_1[addr_type]], + "next_hop": NEXT_HOP_IP[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("IPv4 prefix-list Pv4 and and IPv6 prefix-list Pv6 permit to deny ") + input_dict_3 = { + "r3": { + "prefix_lists": { + "ipv4": { + "Pv4": [ + {"seqid": "1", "network": NETWORK1_1["ipv4"], "action": "deny"} + ] + }, + "ipv6": { + "Pv6": [ + {"seqid": "1", "network": NETWORK1_1["ipv6"], "action": "deny"} + ] + }, + } + } + } + result = create_prefix_lists(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + NOTE = """ + Verify default-originate route (IPv4 and IPv6 ) not present on R2 + IPv4 ( Sv42) , IPv6 (Sv62) route populated in R2 BGP + """ + step(NOTE) + for addr_type in ADDR_TYPES: + static_routes_input = { + "r2": { + "static_routes": [ + { + "network": [DEFAULT_ROUTES[addr_type]], + "next_hop": DEFAULT_ROUTE_NXT_HOP_R3[addr_type], + } + ] + } + } + + result = verify_fib_routes( + tgen, + addr_type, + "r2", + static_routes_input, + next_hop=DEFAULT_ROUTE_NXT_HOP_R3[addr_type], + expected=False, + ) + assert ( + result is not True + ), "Testcase {} : Failed \n default-route in FIB is not expected due to conditions \n Error: {}".format( + tc_name, result + ) + + result = verify_bgp_rib( + tgen, + addr_type, + "r2", + static_routes_input, + next_hop=DEFAULT_ROUTE_NXT_HOP_R3[addr_type], + expected=False, + ) + assert ( + result is not True + ), "Testcase {} : Failed \n default-route in RIB is not expected due to conditions \n Error: {}".format( + tc_name, result + ) + for addr_type in ADDR_TYPES: + static_routes_input = { + "r2": { + "static_routes": [ + { + "network": [NETWORK2_1[addr_type]], + "next_hop": NEXT_HOP_IP[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) + +def test_verify_bgp_default_originate_route_map_in_IN_p1(request): + """Verify BGP default originate route-map with IN route-map""" + 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 IPv4 and IPv6 , EBGP neighbor between R1 and R2") + step("Configure IPv4 and IPv6 , IBGP neighbor between R1 and R0") + r0_local_as = topo["routers"]["r0"]["bgp"]["local_as"] + r1_local_as = topo["routers"]["r1"]["bgp"]["local_as"] + r2_local_as = topo["routers"]["r2"]["bgp"]["local_as"] + r3_local_as = topo["routers"]["r3"]["bgp"]["local_as"] + r4_local_as = topo["routers"]["r4"]["bgp"]["local_as"] + input_dict = { + "r0": { + "bgp": { + "local_as": 1000, + } + }, + "r1": { + "bgp": { + "local_as": 1000, + } + }, + "r2": { + "bgp": { + "local_as": r2_local_as, + } + }, + "r3": { + "bgp": { + "local_as": r3_local_as, + } + }, + "r4": { + "bgp": { + "local_as": r4_local_as, + } + }, + } + 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 2 IPv4 and 2 IPv6, Static route on R0 with next-hop as Null0 IPv4 route Sv41, Sv42, IPv6 route Sv61 Sv62" + ) + for addr_type in ADDR_TYPES: + static_routes_input = { + "r0": { + "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], + }, + ] + } + } + result = create_static_routes(tgen, static_routes_input) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + step("verifyIPv4 and IPv6 static routes are configure 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], + }, + { + "network": [NETWORK2_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 + ) + + step( + "Configure redistribute static knob on R0 , for R0 to R1 IPv4 and IPv6 neighbor" + ) + redistribute_static = { + "r0": { + "bgp": { + "address_family": { + "ipv4": {"unicast": {"redistribute": [{"redist_type": "static"}]}}, + "ipv6": {"unicast": {"redistribute": [{"redist_type": "static"}]}}, + } + } + } + } + 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 route received 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": [NETWORK2_1[addr_type]], + "next_hop": NEXT_HOP_IP[addr_type], + }, + ] + } + } + result = verify_fib_routes(tgen, addr_type, "r1", static_routes_input) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + result = verify_bgp_rib(tgen, addr_type, "r1", static_routes_input) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + step( + "Configure IPv4 prefix-list Pv4 and and IPv6 prefix-list Pv6 on R1 to match BGP route Sv41, Sv42, IPv6 route Sv61 Sv62" + ) + input_dict_3 = { + "r1": { + "prefix_lists": { + "ipv4": { + "Pv4": [ + { + "seqid": "1", + "network": NETWORK1_1["ipv4"], + "action": "permit", + }, + { + "seqid": "2", + "network": NETWORK2_1["ipv4"], + "action": "permit", + }, + ] + }, + "ipv6": { + "Pv6": [ + { + "seqid": "1", + "network": NETWORK1_1["ipv6"], + "action": "permit", + }, + { + "seqid": "2", + "network": NETWORK2_1["ipv6"], + "action": "permit", + }, + ] + }, + } + } + } + result = create_prefix_lists(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("verify IPv4 and IPv6 Prefix list got configured on R1") + input_dict = {"r1": {"prefix_lists": ["Pv4", "Pv6"]}} + result = verify_prefix_lists(tgen, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "Configure IPv4 and IPv6 route-map RMv4 and RMv6 matching prefix-list Pv4 and Pv6 with deny option on R1" + ) + input_dict_3 = { + "r1": { + "route_maps": { + "RMv4": [ + { + "action": "deny", + "seq_id": "1", + "match": {"ipv4": {"prefix_lists": "Pv4"}}, + }, + ], + "RMv6": [ + { + "action": "deny", + "seq_id": "1", + "match": {"ipv6": {"prefix_lists": "Pv6"}}, + }, + ], + } + } + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("Apply route-map IN direction in R1 (R1 to R0) IPv4 and IPv6 neighbor") + 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") + + local_as_r1 = get_dut_as_number(tgen, dut="r1") + input_dict_4 = { + "r1": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r0": { + "dest_link": { + "r1": { + "route_maps": [ + { + "name": "RMv4", + "direction": "in", + } + ] + } + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r0": { + "dest_link": { + "r1": { + "route_maps": [ + { + "name": "RMv6", + "direction": "in", + } + ] + } + } + } + } + } + }, + } + } + } + } + + result = create_router_bgp(tgen, updated_topo, input_dict_4) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + STEP = "After applying route-map verify that IPv4 route Sv41, Sv42, IPv6 route Sv61 Sv62 should not present on R1 BGP and routing table " + step(STEP) + + step( + "After applying route-map verify that IPv4 route Sv41, Sv42, IPv6 route Sv61 Sv62 should not present 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": [NETWORK2_1[addr_type]], + "next_hop": NEXT_HOP_IP[addr_type], + }, + ] + } + } + + result = verify_fib_routes( + tgen, addr_type, "r1", static_routes_input, expected=False + ) + assert ( + result is not True + ), "Testcase {} : Failed \n default-route in FIB is not expected due to conditions \nError: {}".format( + tc_name, result + ) + + result = verify_bgp_rib( + tgen, addr_type, "r1", static_routes_input, expected=False + ) + assert ( + result is not True + ), "Testcase {} : Failed \n default-route in FIB is not expected due to conditions \nError: {}".format( + tc_name, result + ) + # Routes should come to dut but not the shown in RIB thus verifying using show ip bgp nbr xxx received route + step( + " Verify the received routes \n using 'show ip bgp nbr xxx received route' in Router R1" + ) + expected_routes = { + "ipv4": [ + {"network": NETWORK1_1["ipv4"], "nexthop": NEXT_HOP_IP["ipv4"]}, + {"network": NETWORK2_1["ipv4"], "nexthop": NEXT_HOP_IP["ipv4"]}, + ], + "ipv6": [ + {"network": NETWORK1_1["ipv6"], "nexthop": NEXT_HOP_IP["ipv6"]}, + {"network": NETWORK2_1["ipv6"], "nexthop": NEXT_HOP_IP["ipv6"]}, + ], + } + result = verify_bgp_received_routes_from_neighbor( + tgen, topo, dut="r1", peer="r0", expected_routes=expected_routes + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("Configure default-originate on R1 for R1 to R2 IPv4 and IPv6 neighbor ") + local_as_r1 = get_dut_as_number(tgen, dut="r1") + default_originate_config = { + "r1": { + "bgp": { + "local_as": local_as_r1, + "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 Default originate knob is configured and default route advertised to R2 , verify on R1 " + ) + expected_routes = { + "ipv4": [ + {"network": "0.0.0.0/0", "nexthop": ""}, + ], + "ipv6": [ + {"network": "::/0", "nexthop": ""}, + ], + } + result = verify_bgp_advertised_routes_from_neighbor( + tgen, topo, dut="r1", peer="r2", expected_routes=expected_routes + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("Verify the Default route Route in FIB in R2") + DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"} + + for addr_type in ADDR_TYPES: + static_routes_input = { + "r1": { + "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 + ) + + step("Change route-map RMv4 and RMv6 from deny to permit") + 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 \n Error: {}".format(tc_name, result) + + NOTE = """After changing route-map to permit verify that IPv4 routes Sv41, Sv42, IPv6 routes Sv61 Sv62 present on R1 BGP and routing table , using "show ip route " "show ip bgp nbr xxx received route " "show ipv6 route " "show ipv6 bgp nbr xxx receied route """ + step(NOTE) + expected_routes = { + "ipv4": [{"network": NETWORK1_1["ipv4"], "nexthop": NEXT_HOP_IP["ipv4"]}], + "ipv6": [{"network": NETWORK1_1["ipv6"], "nexthop": NEXT_HOP_IP["ipv4"]}], + } + result = verify_bgp_received_routes_from_neighbor( + tgen, topo, dut="r1", peer="r0", expected_routes=expected_routes + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + 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": [NETWORK2_1[addr_type]], + "next_hop": NEXT_HOP_IP[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("Configure default static route (IPv4 and IPv6) on R2 nexthop as R1 ") + NEXT_HOP_IP_R1 = {} + r1_r2_ipv4_neighbor = topo["routers"]["r1"]["links"]["r2"]["ipv4"].split("/")[0] + r1_r2_ipv6_neighbor = topo["routers"]["r1"]["links"]["r2"]["ipv6"].split("/")[0] + NEXT_HOP_IP_R1["ipv4"] = r1_r2_ipv4_neighbor + NEXT_HOP_IP_R1["ipv6"] = r1_r2_ipv6_neighbor + static_routes_input = { + "r2": { + "static_routes": [ + { + "network": "0.0.0.0/0", + "next_hop": NEXT_HOP_IP_R1["ipv4"], + }, + { + "network": "0::0/0", + "next_hop": NEXT_HOP_IP_R1["ipv6"], + }, + ] + } + } + result = create_static_routes(tgen, static_routes_input) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "Verify Static default route is taking preference over BGP default routes , BGP default route is inactive IN RIB and static is up and installed in RIB and FIB " + ) + DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"} + ipv4_nxt_hop = topo["routers"]["r1"]["links"]["r2"]["ipv4"].split("/")[0] + ipv6_nxt_hop = topo["routers"]["r1"]["links"]["r2"]["ipv6"].split("/")[0] + DEFAULT_ROUTES = {"ipv4": "0.0.0.0/0", "ipv6": "0::0/0"} + DEFAULT_ROUTE_NXT_HOP = {"ipv4": ipv4_nxt_hop, "ipv6": ipv6_nxt_hop} + + for addr_type in ADDR_TYPES: + static_routes_input = { + "r2": { + "static_routes": [ + { + "network": [DEFAULT_ROUTES[addr_type]], + "next_hop": DEFAULT_ROUTE_NXT_HOP[addr_type], + "protocol": "static", + } + ] + } + } + result = verify_bgp_rib( + tgen, + addr_type, + "r2", + static_routes_input, + next_hop=DEFAULT_ROUTE_NXT_HOP[addr_type], + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + result = verify_fib_routes( + tgen, + addr_type, + "r2", + static_routes_input, + next_hop=DEFAULT_ROUTE_NXT_HOP[addr_type], + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + write_test_footer(tc_name) + +def test_verify_default_originate_after_removing_default_originate_p1(request): + """Verify BGP default route after removing default-originate""" + + 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") + r0_local_as = topo["routers"]["r0"]["bgp"]["local_as"] + r1_local_as = topo["routers"]["r1"]["bgp"]["local_as"] + r2_local_as = topo["routers"]["r2"]["bgp"]["local_as"] + r3_local_as = topo["routers"]["r3"]["bgp"]["local_as"] + r4_local_as = topo["routers"]["r4"]["bgp"]["local_as"] + input_dict = { + "r0": { + "bgp": { + "local_as": r0_local_as, + } + }, + "r1": { + "bgp": { + "local_as": 2000, + } + }, + "r2": { + "bgp": { + "local_as": 2000, + } + }, + "r3": { + "bgp": { + "local_as": 5000, + } + }, + "r4": { + "bgp": { + "local_as": 5000, + } + }, + } + 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 IPv4 and 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], + } + ] + }, + "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 are configured and up 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"}]} + }, + } + } + }, + "r3": { + "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 are configured and up on R1 and R3") + 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], + }, + { + "network": [R1_NETWORK_LOOPBACK[addr_type]], + "next_hop": R1_NETWORK_LOOPBACK_NXTHOP[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 \n Error: {}".format( + tc_name, result + ) + result = verify_bgp_rib(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 are configured and up on R1 and 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": [R3_NETWORK_LOOPBACK[addr_type]], + "next_hop": R3_NETWORK_LOOPBACK_NXTHOP[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_NXTHOP[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 {} : Failed \n Error: {}".format( + tc_name, result + ) + + result = verify_bgp_rib(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 all the static , connected and loopback routes from R0,R1,R3 and R4 is receieved 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": [R1_NETWORK_LOOPBACK[addr_type]], + "next_hop": R1_NETWORK_LOOPBACK_NXTHOP[addr_type], + }, + { + "network": [R1_NETWORK_CONNECTED[addr_type]], + "next_hop": R1_NETWORK_CONNECTED_NXTHOP[addr_type], + }, + { + "network": [R3_NETWORK_LOOPBACK[addr_type]], + "next_hop": R3_NETWORK_LOOPBACK_NXTHOP[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_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) + 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("Verify the Default Originate on R2 nexthop as R1") + + 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] + 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, + expected=True, + ) + assert ( + result is True + ), "Testcase {} : Failed \n Error: After Deactivating the BGP neighbor the default route is expected but found in RIB -> {}".format( + tc_name, result + ) + + result = verify_fib_default_route( + tgen, + topo, + dut="r2", + routes=DEFAULT_ROUTES, + expected_nexthop=DEFAULT_ROUTE_NXT_HOP, + expected=True, + ) + assert ( + result is True + ), "Testcase {} : Failed \n Error: After Deactivating the BGP neighbor the default route is expected but found in FIB -> {}".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 prefferedover EBGP thus + Default Route From R1->r2 should only present in R2 FIB """ + step(STEP) + + 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_fib_default_route( + tgen, + topo, + dut="r2", + routes=DEFAULT_ROUTES, + expected_nexthop=DEFAULT_ROUTE_NXT_HOP, + expected=False, + ) + assert ( + result is not True + ), "Testcase {} : Failed \n Error: Only IBGP default originate is expected in FIB over EBGP {}".format( + tc_name, result + ) + + result = verify_rib_default_route( + tgen, + topo, + dut="r2", + routes=DEFAULT_ROUTES, + expected_nexthop=DEFAULT_ROUTE_NXT_HOP, + expected=True, + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "No change on static and connected routes which got advertised from R0, R1, R3 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": [R1_NETWORK_LOOPBACK[addr_type]], + "next_hop": R1_NETWORK_LOOPBACK_NXTHOP[addr_type], + }, + { + "network": [R1_NETWORK_CONNECTED[addr_type]], + "next_hop": R1_NETWORK_CONNECTED_NXTHOP[addr_type], + }, + { + "network": [R3_NETWORK_LOOPBACK[addr_type]], + "next_hop": R3_NETWORK_LOOPBACK_NXTHOP[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_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) + 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( + " Remove 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": {"delete": True}}} + }, + "ipv6": { + "unicast": {"default_originate": {"r2": {"delete": True}}} + }, + }, + } + } + } + result = create_router_bgp(tgen, topo, default_originate_config) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("Verify the Default Originate reoute from R1 to r2 is removed in R2 ") + 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] + 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_fib_default_route( + tgen, + topo, + dut="r2", + routes=DEFAULT_ROUTES, + expected_nexthop=DEFAULT_ROUTE_NXT_HOP, + expected=False, + ) + assert ( + result is not True + ), "Testcase {} : Failed \n After removing the default originate the route should not be present in 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, + expected=False, + ) + assert ( + result is not True + ), "Testcase {} : Failed \n After removing the default originate the route should not be present in RIB \n Error: {}".format( + tc_name, result + ) + + NOTE = """ after removing the Default originate from R1-->R2 + Verify the BGP Default route received from R3 is present in both BGP RIB and FIB on R2 + """ + 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_fib_default_route( + tgen, + topo, + dut="r2", + routes=DEFAULT_ROUTES, + expected_nexthop=DEFAULT_ROUTE_NXT_HOP, + 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, + expected=True, + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "No change on static and connected routes which got advertised from R0, R1, R3 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": [R1_NETWORK_LOOPBACK[addr_type]], + "next_hop": R1_NETWORK_LOOPBACK_NXTHOP[addr_type], + }, + { + "network": [R1_NETWORK_CONNECTED[addr_type]], + "next_hop": R1_NETWORK_CONNECTED_NXTHOP[addr_type], + }, + { + "network": [R3_NETWORK_LOOPBACK[addr_type]], + "next_hop": R3_NETWORK_LOOPBACK_NXTHOP[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_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) + 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( + "Remove 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": {"delete": True}}} + }, + "ipv6": { + "unicast": {"default_originate": {"r2": {"delete": True}}} + }, + }, + } + } + } + result = create_router_bgp(tgen, topo, default_originate_config) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step( + "After removing default originate , verify default IPv4 and IPv6 BGP routes removed on R2 from R1 ( next-hop as 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_fib_default_route( + tgen, + topo, + dut="r2", + routes=DEFAULT_ROUTES, + expected_nexthop=DEFAULT_ROUTE_NXT_HOP, + expected=False, + ) + assert ( + result is not True + ), "Testcase {} : Failed \n After removing the default originate the route should not be present in 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, + expected=False, + ) + assert ( + result is not True + ), "Testcase {} : Failed \n After removing the default originate the route should not be present in RIB \n Error: {}".format( + tc_name, result + ) + step( + "No change on static and connected routes which got advertised from R0, R1, R3 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": [R1_NETWORK_LOOPBACK[addr_type]], + "next_hop": R1_NETWORK_LOOPBACK_NXTHOP[addr_type], + }, + { + "network": [R1_NETWORK_CONNECTED[addr_type]], + "next_hop": R1_NETWORK_CONNECTED_NXTHOP[addr_type], + }, + { + "network": [R3_NETWORK_LOOPBACK[addr_type]], + "next_hop": R3_NETWORK_LOOPBACK_NXTHOP[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_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) + 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_route_with_GR_p1(request): + """ "Verify default-originate route with GR " + """ + 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 IPV4 and IPV6 IBGP between R1 and R2 ") + step("Configure IPV4 and IPV6 EBGP between R2 to R3 ") + r0_local_as = topo['routers']['r0']['bgp']['local_as'] + r1_local_as = topo['routers']['r1']['bgp']['local_as'] + r2_local_as = topo['routers']['r2']['bgp']['local_as'] + r3_local_as = topo['routers']['r3']['bgp']['local_as'] + r4_local_as = topo['routers']['r4']['bgp']['local_as'] + input_dict = { + "r0": { + "bgp": { + "local_as": r0_local_as, + } + }, + "r1": { + "bgp": { + "local_as": 1000, + } + }, + "r2": { + "bgp": { + "local_as": 1000, + } + }, + "r3": { + "bgp": { + "local_as": r3_local_as, + } + }, + "r4": { + "bgp": { + "local_as": r4_local_as, + } + }, + } + 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 per peer Graceful restart on R2 ( restarting router) and R3 helper router " + ) + input_dict = { + "r2": { + "bgp": { + "local_as": get_dut_as_number(tgen, "r2"), + "graceful-restart": { + "graceful-restart": True, + "preserve-fw-state": True, + }, + } + }, + "r3": { + "bgp": { + "local_as": get_dut_as_number(tgen, "r3"), + "graceful-restart": {"graceful-restart-helper": True}, + } + }, + } + + configure_gr_followed_by_clear(tgen, topo, input_dict, tc_name, dut="r2", peer="r3") + + step("verify Graceful restart at R2") + for addr_type in ADDR_TYPES: + result = verify_graceful_restart( + tgen, topo, addr_type, input_dict, dut="r2", peer="r3" + ) + assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) + + step( + "Configure default-originate on R1 for R1-R2 neighbor for IPv4 and IPv6 BGP peers " + ) + 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( + "R2 received default-originate routes and advertised it to R3 , verify on R2 and R3" + ) + 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 " + ) + 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 + ) + + + step(" Kill BGPd session on R2") + kill_router_daemons(tgen, "r2", ["bgpd"]) + start_router_daemons(tgen, "r2", ["bgpd"]) + + step("verify default route is relearned after clear bgp on R2 on BGP RIB and") + 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 + ) + write_test_footer(tc_name) + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |