projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| a65b1a75 | 1 | #!/usr/bin/env python3 |
| acddc0ed | 2 | # SPDX-License-Identifier: ISC |
| a65b1a75 KK |
3 | # |
| 4 | # Copyright (c) 2022 by VMware, Inc. ("VMware") | |
| 5 | # Used Copyright (c) 2018 by Network Device Education Foundation, | |
| 6 | # Inc. ("NetDEF") in this file. | |
| 7 | # | |
| a65b1a75 KK |
8 | |
| 9 | ########################################################################################################## | |
| 10 | # | |
| 11 | # Functionality Testcases | |
| 12 | # | |
| 13 | ########################################################################################################## | |
| 14 | """ | |
| 15 | 1. Verify the BGP Local AS functionality by adding no-prepend and replace-as command in between eBGP Peers. | |
| 16 | 2. Verify the BGP Local AS functionality by configuring 4 Byte AS at R3 and 2 Byte AS at R2 & R4 in between eBGP Peers. | |
| 17 | 3. Verify that BGP Local AS functionality by performing graceful restart in between eBGP Peers. | |
| 18 | 4. Verify the BGP Local AS functionality by adding another AS & by same AS with AS-Prepend command in between eBGP Peers. | |
| 19 | 4. Verify the BGP Local AS functionality by adding no-prepend and replace-as command in between iBGP Peers. | |
| 20 | 5. Verify the BGP Local AS functionality with allowas-in in between iBGP Peers. | |
| 21 | 6. Verify that BGP Local AS functionality by performing shut/ noshut on the interfaces in between BGP neighbors. | |
| 22 | 7. Verify that BGP Local AS functionality by restarting BGP,Zebra and FRR services and | |
| 23 | further restarting clear BGP * and shutdown BGP neighbor. | |
| 24 | 8. Verify the BGP Local AS functionality with different AS configurations. | |
| 25 | 9. Verify the BGP Local AS functionality with R3& R4 with different AS configurations. | |
| 26 | """ | |
| 27 | ||
| 28 | import os | |
| 29 | import sys | |
| 30 | import time | |
| 31 | import pytest | |
| 32 | from copy import deepcopy | |
| 33 | ||
| 34 | # Save the Current Working Directory to find configuration files. | |
| 35 | CWD = os.path.dirname(os.path.realpath(__file__)) | |
| 36 | sys.path.append(os.path.join(CWD, "../")) | |
| 37 | sys.path.append(os.path.join(CWD, "../lib/")) | |
| 38 | ||
| 39 | # pylint: disable=C0413 | |
| 40 | # Import topogen and topotest helpers | |
| 41 | from lib.topogen import Topogen, get_topogen | |
| 42 | from lib.topotest import version_cmp | |
| 43 | ||
| 44 | from lib.common_config import ( | |
| 45 | start_topology, | |
| 46 | write_test_header, | |
| 47 | create_static_routes, | |
| 48 | write_test_footer, | |
| 49 | reset_config_on_routers, | |
| 50 | verify_rib, | |
| 51 | step, | |
| 52 | get_frr_ipv6_linklocal, | |
| 53 | check_address_types, | |
| 54 | check_router_status, | |
| 55 | create_static_routes, | |
| 56 | verify_fib_routes, | |
| 57 | create_route_maps, | |
| 58 | kill_router_daemons, | |
| 59 | start_router_daemons, | |
| 60 | shutdown_bringup_interface, | |
| 61 | ) | |
| 62 | ||
| 63 | from lib.topolog import logger | |
| 64 | from lib.bgp import ( | |
| 65 | verify_bgp_convergence, | |
| 66 | clear_bgp_and_verify, | |
| 67 | verify_bgp_rib, | |
| 68 | modify_as_number, | |
| 69 | create_router_bgp, | |
| 70 | verify_bgp_advertised_routes_from_neighbor, | |
| 71 | verify_graceful_restart, | |
| 72 | verify_r_bit, | |
| 73 | ) | |
| 74 | from lib.topojson import build_config_from_json | |
| 75 | ||
| 76 | pytestmark = [pytest.mark.bgpd, pytest.mark.staticd] | |
| 77 | ||
| 78 | # Global variables | |
| 79 | NETWORK = {"ipv4": "10.1.1.0/32", "ipv6": "10:1::1:0/128"} | |
| 80 | NEXT_HOP_IP = {"ipv4": "Null0", "ipv6": "Null0"} | |
| 81 | NEXT_HOP_IP_GR = {"ipv4": "10.0.0.5", "ipv6": "fd00:0:0:1::2/64"} | |
| 82 | NEXT_HOP_IP_1 = {"ipv4": "10.0.0.101", "ipv6": "fd00::1"} | |
| 83 | NEXT_HOP_IP_2 = {"ipv4": "10.0.0.102", "ipv6": "fd00::2"} | |
| 84 | ||
| 85 | BGP_CONVERGENCE = False | |
| 86 | PREFERRED_NEXT_HOP = "link_local" | |
| 87 | KEEPALIVETIMER = 1 | |
| 88 | HOLDDOWNTIMER = 3 | |
| 89 | ||
| 90 | ||
| 91 | def setup_module(mod): | |
| 92 | """ | |
| 93 | Sets up the pytest environment | |
| 94 | ||
| 95 | * `mod`: module name | |
| 96 | """ | |
| 97 | ||
| 98 | testsuite_run_time = time.asctime(time.localtime(time.time())) | |
| 99 | logger.info("Testsuite start time: {}".format(testsuite_run_time)) | |
| 100 | logger.info("=" * 40) | |
| 101 | ||
| 102 | logger.info("Running setup_module to create topology") | |
| 103 | ||
| 104 | # This function initiates the topology build with Topogen... | |
| 105 | json_file = "{}/bgp_local_asn_topo1.json".format(CWD) | |
| 106 | tgen = Topogen(json_file, mod.__name__) | |
| 107 | global topo | |
| 108 | topo = tgen.json_topo | |
| 109 | # ... and here it calls Mininet initialization functions. | |
| 110 | ||
| 111 | # Starting topology, create tmp files which are loaded to routers | |
| 112 | # to start daemons and then start routers | |
| 113 | start_topology(tgen) | |
| 114 | ||
| 115 | # Creating configuration from JSON | |
| 116 | build_config_from_json(tgen, topo) | |
| 117 | ||
| 118 | global BGP_CONVERGENCE | |
| 119 | global ADDR_TYPES | |
| 120 | ADDR_TYPES = check_address_types() | |
| 121 | ||
| 122 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 123 | assert BGP_CONVERGENCE is True, "setup_module : Failed \n Error: {}".format( | |
| 124 | BGP_CONVERGENCE | |
| 125 | ) | |
| 126 | ||
| 127 | logger.info("Running setup_module() done") | |
| 128 | ||
| 129 | ||
| 130 | def teardown_module(): | |
| 131 | """Teardown the pytest environment""" | |
| 132 | ||
| 133 | logger.info("Running teardown_module to delete topology") | |
| 134 | ||
| 135 | tgen = get_topogen() | |
| 136 | ||
| 137 | # Stop toplogy and Remove tmp files | |
| 138 | tgen.stop_topology() | |
| 139 | ||
| 140 | logger.info( | |
| 141 | "Testsuite end time: {}".format(time.asctime(time.localtime(time.time()))) | |
| 142 | ) | |
| 143 | logger.info("=" * 40) | |
| 144 | ||
| 145 | ||
| 146 | ########################################################################################################## | |
| 147 | # | |
| 148 | # Local APIs | |
| 149 | # | |
| 150 | ########################################################################################################## | |
| 151 | ||
| 152 | ||
| 153 | def configure_gr_followed_by_clear(tgen, topo, input_dict, tc_name, dut, peer): | |
| 154 | """ | |
| 155 | This function groups the repetitive function calls into one function. | |
| 156 | """ | |
| 157 | result = create_router_bgp(tgen, topo, input_dict) | |
| 158 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 159 | ||
| 160 | result = clear_bgp_and_verify(tgen, topo, dut) | |
| 161 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 162 | ||
| 163 | return True | |
| 164 | ||
| 165 | ||
| 166 | def next_hop_per_address_family( | |
| 167 | tgen, dut, peer, addr_type, next_hop_dict, preferred_next_hop=PREFERRED_NEXT_HOP | |
| 168 | ): | |
| 169 | """ | |
| 170 | This function returns link_local or global next_hop per address-family | |
| 171 | """ | |
| 172 | intferface = topo["routers"][peer]["links"]["{}".format(dut)]["interface"] | |
| 173 | if addr_type == "ipv6" and "link_local" in preferred_next_hop: | |
| 174 | next_hop = get_frr_ipv6_linklocal(tgen, peer, intf=intferface) | |
| 175 | else: | |
| 176 | next_hop = next_hop_dict[addr_type] | |
| 177 | ||
| 178 | return next_hop | |
| 179 | ||
| 180 | ||
| 181 | ########################################################################################################## | |
| 182 | # | |
| 183 | # Testcases | |
| 184 | # | |
| 185 | ########################################################################################################## | |
| 186 | ||
| 187 | ||
| 188 | def test_verify_bgp_local_as_in_EBGP_p0(request): | |
| 189 | """ | |
| 190 | Verify the BGP Local AS functionality by adding no-prepend and | |
| 191 | replace-as command in between eBGP Peers. | |
| 192 | """ | |
| 193 | tgen = get_topogen() | |
| 194 | global BGP_CONVERGENCE | |
| 195 | if BGP_CONVERGENCE != True: | |
| 196 | pytest.skip("skipped because of BGP Convergence failure") | |
| 197 | ||
| 198 | # test case name | |
| 199 | tc_name = request.node.name | |
| 200 | write_test_header(tc_name) | |
| 201 | if tgen.routers_have_failure(): | |
| 202 | check_router_status(tgen) | |
| 203 | reset_config_on_routers(tgen) | |
| 204 | ||
| 205 | step("Base config is done as part of JSON") | |
| 206 | step("Configure local-as at R3 towards R4.") | |
| 207 | for addr_type in ADDR_TYPES: | |
| 208 | for neighbor in ["r2", "r4"]: | |
| 209 | input_dict_r3 = { | |
| 210 | "r3": { | |
| 211 | "bgp": { | |
| 212 | "local_as": "300", | |
| 213 | "address_family": { | |
| 214 | addr_type: { | |
| 215 | "unicast": { | |
| 216 | "neighbor": { | |
| 217 | neighbor: { | |
| 218 | "dest_link": { | |
| 219 | "r3": {"local_asn": {"local_as": "110"}} | |
| 220 | } | |
| 221 | } | |
| 222 | } | |
| 223 | } | |
| 224 | } | |
| 225 | }, | |
| 226 | } | |
| 227 | } | |
| 228 | } | |
| 229 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 230 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 231 | tc_name, result | |
| 232 | ) | |
| 233 | ||
| 234 | for addr_type in ADDR_TYPES: | |
| 235 | for dut, asn, neighbor in zip(["r2", "r4"], ["200", "400"], ["r3", "r3"]): | |
| 236 | input_dict_r2_r4 = { | |
| 237 | dut: { | |
| 238 | "bgp": { | |
| 239 | "local_as": asn, | |
| 240 | "address_family": { | |
| 241 | addr_type: { | |
| 242 | "unicast": { | |
| 243 | "neighbor": { | |
| 244 | neighbor: { | |
| 245 | "dest_link": { | |
| 246 | dut: {"local_asn": {"remote_as": "110"}} | |
| 247 | } | |
| 248 | } | |
| 249 | } | |
| 250 | } | |
| 251 | } | |
| 252 | }, | |
| 253 | } | |
| 254 | } | |
| 255 | } | |
| 256 | result = create_router_bgp(tgen, topo, input_dict_r2_r4) | |
| 257 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 258 | tc_name, result | |
| 259 | ) | |
| 260 | ||
| 261 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 262 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 263 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 264 | BGP_CONVERGENCE | |
| 265 | ) | |
| 266 | ||
| 267 | # configure static routes | |
| 268 | step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-100).") | |
| 269 | step( | |
| 270 | "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100)." | |
| 271 | ) | |
| 272 | step("Verify that Static routes are redistributed in BGP process") | |
| 273 | ||
| 274 | dut = "r1" | |
| 275 | protocol = "bgp" | |
| 276 | for addr_type in ADDR_TYPES: | |
| 277 | # Enable static routes | |
| 278 | input_static_r1 = { | |
| 279 | "r1": { | |
| 280 | "static_routes": [ | |
| 281 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 282 | ] | |
| 283 | } | |
| 284 | } | |
| 285 | ||
| 286 | logger.info("Configure static routes") | |
| 287 | result = create_static_routes(tgen, input_static_r1) | |
| 288 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 289 | tc_name, result | |
| 290 | ) | |
| 291 | ||
| 292 | step("configure redistribute static in Router BGP in R1") | |
| 293 | ||
| 294 | input_static_redist_r1 = { | |
| 295 | "r1": { | |
| 296 | "bgp": { | |
| 297 | "address_family": { | |
| 298 | addr_type: { | |
| 299 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 300 | } | |
| 301 | } | |
| 302 | } | |
| 303 | } | |
| 304 | } | |
| 305 | result = create_router_bgp(tgen, topo, input_static_redist_r1) | |
| 306 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 307 | tc_name, result | |
| 308 | ) | |
| 309 | ||
| 310 | step("Verify that Static routes are redistributed in BGP process") | |
| 311 | for addr_type in ADDR_TYPES: | |
| 312 | input_static_verify_r1 = { | |
| 313 | "r1": {"static_routes": [{"network": NETWORK[addr_type]}]} | |
| 314 | } | |
| 315 | ||
| 316 | result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1) | |
| 317 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 318 | tc_name, result | |
| 319 | ) | |
| 320 | ||
| 321 | for dut in ["r3", "r4"]: | |
| 322 | result = verify_rib(tgen, addr_type, dut, input_static_r1) | |
| 323 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 324 | tc_name, result | |
| 325 | ) | |
| 326 | ||
| 327 | for dut, input_routes in zip(["r1"], [input_static_r1]): | |
| 328 | result = verify_rib(tgen, addr_type, dut, input_routes) | |
| 329 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 330 | tc_name, result | |
| 331 | ) | |
| 332 | ||
| 333 | step( | |
| 334 | "Verify that AS-110 is got added in the AS list 110 200 100 by following" | |
| 335 | "commands at R3 router." | |
| 336 | ) | |
| 337 | dut = "r3" | |
| 338 | aspath = "110 200 100" | |
| 339 | for addr_type in ADDR_TYPES: | |
| 340 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 341 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 342 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 343 | tc_name, result | |
| 344 | ) | |
| 345 | ||
| 346 | step("Configure local-as with no-prepend at R3 towards R4 & R2.") | |
| 347 | for addr_type in ADDR_TYPES: | |
| 348 | for neighbor in ["r2", "r4"]: | |
| 349 | input_dict_r3 = { | |
| 350 | "r3": { | |
| 351 | "bgp": { | |
| 352 | "local_as": "300", | |
| 353 | "address_family": { | |
| 354 | addr_type: { | |
| 355 | "unicast": { | |
| 356 | "neighbor": { | |
| 357 | neighbor: { | |
| 358 | "dest_link": { | |
| 359 | "r3": { | |
| 360 | "local_asn": { | |
| 361 | "local_as": "110", | |
| 362 | "no_prepend": True, | |
| 363 | } | |
| 364 | } | |
| 365 | } | |
| 366 | } | |
| 367 | } | |
| 368 | } | |
| 369 | } | |
| 370 | }, | |
| 371 | } | |
| 372 | } | |
| 373 | } | |
| 374 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 375 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 376 | tc_name, result | |
| 377 | ) | |
| 378 | ||
| 379 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 380 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 381 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 382 | BGP_CONVERGENCE | |
| 383 | ) | |
| 384 | ||
| 385 | step("Verify advertised routes to R4 at R3") | |
| 386 | expected_routes = { | |
| 387 | "ipv4": [ | |
| 388 | {"network": "10.1.1.0/32", "nexthop": ""}, | |
| 389 | ], | |
| 390 | "ipv6": [ | |
| 391 | {"network": "10:1::1:0/128", "nexthop": ""}, | |
| 392 | ], | |
| 393 | } | |
| 394 | result = verify_bgp_advertised_routes_from_neighbor( | |
| 395 | tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes | |
| 396 | ) | |
| 397 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 398 | ||
| 399 | dut = "r3" | |
| 400 | aspath = "200 100" | |
| 401 | for addr_type in ADDR_TYPES: | |
| 402 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 403 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 404 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 405 | tc_name, result | |
| 406 | ) | |
| 407 | ||
| 408 | step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.") | |
| 409 | for addr_type in ADDR_TYPES: | |
| 410 | for neighbor in ["r2", "r4"]: | |
| 411 | input_dict_r3 = { | |
| 412 | "r3": { | |
| 413 | "bgp": { | |
| 414 | "local_as": "300", | |
| 415 | "address_family": { | |
| 416 | addr_type: { | |
| 417 | "unicast": { | |
| 418 | "neighbor": { | |
| 419 | neighbor: { | |
| 420 | "dest_link": { | |
| 421 | "r3": { | |
| 422 | "local_asn": { | |
| 423 | "local_as": "110", | |
| 424 | "no_prepend": True, | |
| 425 | "replace_as": True, | |
| 426 | } | |
| 427 | } | |
| 428 | } | |
| 429 | } | |
| 430 | } | |
| 431 | } | |
| 432 | } | |
| 433 | }, | |
| 434 | } | |
| 435 | } | |
| 436 | } | |
| 437 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 438 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 439 | tc_name, result | |
| 440 | ) | |
| 441 | ||
| 442 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 443 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 444 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 445 | BGP_CONVERGENCE | |
| 446 | ) | |
| 447 | ||
| 448 | dut = "r4" | |
| 449 | aspath = "110 200 100" | |
| 450 | for addr_type in ADDR_TYPES: | |
| 451 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 452 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 453 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 454 | tc_name, result | |
| 455 | ) | |
| 456 | ||
| 457 | write_test_footer(tc_name) | |
| 458 | ||
| 459 | ||
| 460 | def test_verify_bgp_local_as_in_EBGP_4B_AS_mid_2B_AS_p0(request): | |
| 461 | """ | |
| 462 | Verify the BGP Local AS functionality by configuring 4 Byte AS | |
| 463 | at R3 and 2 Byte AS at R2 & R4 in between eBGP Peers. | |
| 464 | """ | |
| 465 | tgen = get_topogen() | |
| 466 | global BGP_CONVERGENCE | |
| 467 | ||
| 468 | if BGP_CONVERGENCE != True: | |
| 469 | pytest.skip("skipped because of BGP Convergence failure") | |
| 470 | ||
| 471 | # test case name | |
| 472 | tc_name = request.node.name | |
| 473 | write_test_header(tc_name) | |
| 474 | if tgen.routers_have_failure(): | |
| 475 | check_router_status(tgen) | |
| 476 | reset_config_on_routers(tgen) | |
| 477 | ||
| 478 | step("Base config is done as part of JSON") | |
| 479 | step("Configure local-as at R3 towards R4.") | |
| 480 | for addr_type in ADDR_TYPES: | |
| 481 | for neighbor in ["r2", "r4"]: | |
| 482 | input_dict_r3 = { | |
| 483 | "r3": { | |
| 484 | "bgp": { | |
| 485 | "local_as": "300", | |
| 486 | "address_family": { | |
| 487 | addr_type: { | |
| 488 | "unicast": { | |
| 489 | "neighbor": { | |
| 490 | neighbor: { | |
| 491 | "dest_link": { | |
| 492 | "r3": { | |
| 493 | "local_asn": { | |
| 494 | "local_as": "12000110" | |
| 495 | } | |
| 496 | } | |
| 497 | } | |
| 498 | } | |
| 499 | } | |
| 500 | } | |
| 501 | } | |
| 502 | }, | |
| 503 | } | |
| 504 | } | |
| 505 | } | |
| 506 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 507 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 508 | tc_name, result | |
| 509 | ) | |
| 510 | ||
| 511 | for addr_type in ADDR_TYPES: | |
| 512 | for dut, asn, neighbor in zip(["r2", "r4"], ["200", "400"], ["r3", "r3"]): | |
| 513 | input_dict_r2_r4 = { | |
| 514 | dut: { | |
| 515 | "bgp": { | |
| 516 | "local_as": asn, | |
| 517 | "address_family": { | |
| 518 | addr_type: { | |
| 519 | "unicast": { | |
| 520 | "neighbor": { | |
| 521 | neighbor: { | |
| 522 | "dest_link": { | |
| 523 | dut: { | |
| 524 | "local_asn": { | |
| 525 | "remote_as": "12000110" | |
| 526 | } | |
| 527 | } | |
| 528 | } | |
| 529 | } | |
| 530 | } | |
| 531 | } | |
| 532 | } | |
| 533 | }, | |
| 534 | } | |
| 535 | } | |
| 536 | } | |
| 537 | result = create_router_bgp(tgen, topo, input_dict_r2_r4) | |
| 538 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 539 | tc_name, result | |
| 540 | ) | |
| 541 | ||
| 542 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 543 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 544 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 545 | BGP_CONVERGENCE | |
| 546 | ) | |
| 547 | ||
| 548 | # configure static routes | |
| 549 | step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-100).") | |
| 550 | step( | |
| 551 | "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100)." | |
| 552 | ) | |
| 553 | step("Verify that Static routes are redistributed in BGP process") | |
| 554 | ||
| 555 | dut = "r1" | |
| 556 | protocol = "bgp" | |
| 557 | for addr_type in ADDR_TYPES: | |
| 558 | # Enable static routes | |
| 559 | input_static_r1 = { | |
| 560 | "r1": { | |
| 561 | "static_routes": [ | |
| 562 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 563 | ] | |
| 564 | } | |
| 565 | } | |
| 566 | ||
| 567 | logger.info("Configure static routes") | |
| 568 | result = create_static_routes(tgen, input_static_r1) | |
| 569 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 570 | tc_name, result | |
| 571 | ) | |
| 572 | ||
| 573 | step("configure redistribute static in Router BGP in R1") | |
| 574 | ||
| 575 | input_static_redist_r1 = { | |
| 576 | "r1": { | |
| 577 | "bgp": { | |
| 578 | "address_family": { | |
| 579 | addr_type: { | |
| 580 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 581 | } | |
| 582 | } | |
| 583 | } | |
| 584 | } | |
| 585 | } | |
| 586 | result = create_router_bgp(tgen, topo, input_static_redist_r1) | |
| 587 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 588 | tc_name, result | |
| 589 | ) | |
| 590 | ||
| 591 | step("Verify that Static routes are redistributed in BGP process") | |
| 592 | for addr_type in ADDR_TYPES: | |
| 593 | input_static_verify_r1 = { | |
| 594 | "r1": {"static_routes": [{"network": NETWORK[addr_type]}]} | |
| 595 | } | |
| 596 | ||
| 597 | result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1) | |
| 598 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 599 | tc_name, result | |
| 600 | ) | |
| 601 | ||
| 602 | for dut in ["r3", "r4"]: | |
| 603 | result = verify_rib(tgen, addr_type, dut, input_static_r1) | |
| 604 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 605 | tc_name, result | |
| 606 | ) | |
| 607 | ||
| 608 | for dut, input_routes in zip(["r1"], [input_static_r1]): | |
| 609 | result = verify_rib(tgen, addr_type, dut, input_routes) | |
| 610 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 611 | tc_name, result | |
| 612 | ) | |
| 613 | ||
| 614 | step( | |
| 615 | "Verify that AS-12000110 is got added in the AS list 12000110 200 100 by following" | |
| 616 | "commands at R3 router." | |
| 617 | ) | |
| 618 | dut = "r3" | |
| 619 | aspath = "12000110 200 100" | |
| 620 | for addr_type in ADDR_TYPES: | |
| 621 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 622 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 623 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 624 | tc_name, result | |
| 625 | ) | |
| 626 | ||
| 627 | step("Configure local-as with no-prepend at R3 towards R4 & R2.") | |
| 628 | for addr_type in ADDR_TYPES: | |
| 629 | for neighbor in ["r2", "r4"]: | |
| 630 | input_dict_r3 = { | |
| 631 | "r3": { | |
| 632 | "bgp": { | |
| 633 | "local_as": "300", | |
| 634 | "address_family": { | |
| 635 | addr_type: { | |
| 636 | "unicast": { | |
| 637 | "neighbor": { | |
| 638 | neighbor: { | |
| 639 | "dest_link": { | |
| 640 | "r3": { | |
| 641 | "local_asn": { | |
| 642 | "local_as": "12000110", | |
| 643 | "no_prepend": True, | |
| 644 | } | |
| 645 | } | |
| 646 | } | |
| 647 | } | |
| 648 | } | |
| 649 | } | |
| 650 | } | |
| 651 | }, | |
| 652 | } | |
| 653 | } | |
| 654 | } | |
| 655 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 656 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 657 | tc_name, result | |
| 658 | ) | |
| 659 | ||
| 660 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 661 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 662 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 663 | BGP_CONVERGENCE | |
| 664 | ) | |
| 665 | ||
| 666 | step("Verify advertised routes to R4 at R3") | |
| 667 | expected_routes = { | |
| 668 | "ipv4": [ | |
| 669 | {"network": "10.1.1.0/32", "nexthop": ""}, | |
| 670 | ], | |
| 671 | "ipv6": [ | |
| 672 | {"network": "10:1::1:0/128", "nexthop": ""}, | |
| 673 | ], | |
| 674 | } | |
| 675 | result = verify_bgp_advertised_routes_from_neighbor( | |
| 676 | tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes | |
| 677 | ) | |
| 678 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 679 | ||
| 680 | dut = "r3" | |
| 681 | aspath = "200 100" | |
| 682 | for addr_type in ADDR_TYPES: | |
| 683 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 684 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 685 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 686 | tc_name, result | |
| 687 | ) | |
| 688 | ||
| 689 | step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.") | |
| 690 | for addr_type in ADDR_TYPES: | |
| 691 | for neighbor in ["r2", "r4"]: | |
| 692 | input_dict_r3 = { | |
| 693 | "r3": { | |
| 694 | "bgp": { | |
| 695 | "local_as": "300", | |
| 696 | "address_family": { | |
| 697 | addr_type: { | |
| 698 | "unicast": { | |
| 699 | "neighbor": { | |
| 700 | neighbor: { | |
| 701 | "dest_link": { | |
| 702 | "r3": { | |
| 703 | "local_asn": { | |
| 704 | "local_as": "12000110", | |
| 705 | "no_prepend": True, | |
| 706 | "replace_as": True, | |
| 707 | } | |
| 708 | } | |
| 709 | } | |
| 710 | } | |
| 711 | } | |
| 712 | } | |
| 713 | } | |
| 714 | }, | |
| 715 | } | |
| 716 | } | |
| 717 | } | |
| 718 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 719 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 720 | tc_name, result | |
| 721 | ) | |
| 722 | ||
| 723 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 724 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 725 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 726 | BGP_CONVERGENCE | |
| 727 | ) | |
| 728 | ||
| 729 | dut = "r4" | |
| 730 | aspath = "12000110 200 100" | |
| 731 | for addr_type in ADDR_TYPES: | |
| 732 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 733 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 734 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 735 | tc_name, result | |
| 736 | ) | |
| 737 | ||
| 738 | write_test_footer(tc_name) | |
| 739 | ||
| 740 | ||
| 741 | def test_verify_bgp_local_as_GR_EBGP_p0(request): | |
| 742 | """ | |
| 743 | Verify that BGP Local AS functionality by performing graceful restart in between eBGP Peers. | |
| 744 | """ | |
| 745 | tgen = get_topogen() | |
| 746 | global BGP_CONVERGENCE | |
| 747 | ||
| 748 | if BGP_CONVERGENCE != True: | |
| 749 | pytest.skip("skipped because of BGP Convergence failure") | |
| 750 | # test case name | |
| 751 | tc_name = request.node.name | |
| 752 | write_test_header(tc_name) | |
| 753 | if tgen.routers_have_failure(): | |
| 754 | check_router_status(tgen) | |
| 755 | reset_config_on_routers(tgen) | |
| 756 | ||
| 757 | step("Configure basic BGP Peerings between R1,R2,R3 and R4") | |
| 758 | for addr_type in ADDR_TYPES: | |
| 759 | # Enable static routes | |
| 760 | input_dict_static_route = { | |
| 761 | "r1": { | |
| 762 | "static_routes": [ | |
| 763 | { | |
| 764 | "network": NETWORK[addr_type], | |
| 765 | "next_hop": NEXT_HOP_IP_GR[addr_type], | |
| 766 | } | |
| 767 | ] | |
| 768 | } | |
| 769 | } | |
| 770 | ||
| 771 | logger.info("Configure static routes") | |
| 772 | result = create_static_routes(tgen, input_dict_static_route) | |
| 773 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 774 | tc_name, result | |
| 775 | ) | |
| 776 | ||
| 777 | step("configure redistribute static in Router BGP in R1") | |
| 778 | input_dict_static_route_redist = { | |
| 779 | "r1": { | |
| 780 | "bgp": [ | |
| 781 | { | |
| 782 | "address_family": { | |
| 783 | addr_type: { | |
| 784 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 785 | } | |
| 786 | } | |
| 787 | } | |
| 788 | ] | |
| 789 | } | |
| 790 | } | |
| 791 | result = create_router_bgp(tgen, topo, input_dict_static_route_redist) | |
| 792 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 793 | tc_name, result | |
| 794 | ) | |
| 795 | step("Verify IPv4 and IPv6 static routes received on R1") | |
| 796 | result = verify_rib(tgen, addr_type, "r1", input_dict_static_route) | |
| 797 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 798 | tc_name, result | |
| 799 | ) | |
| 800 | result = verify_bgp_rib(tgen, addr_type, "r1", input_dict_static_route) | |
| 801 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 802 | tc_name, result | |
| 803 | ) | |
| 804 | result = verify_fib_routes(tgen, addr_type, "r1", input_dict_static_route) | |
| 805 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 806 | tc_name, result | |
| 807 | ) | |
| 808 | ||
| 809 | step("Configure local-as at R3 towards R2.") | |
| 810 | for addr_type in ADDR_TYPES: | |
| 811 | input_dict_r3_to_r2 = { | |
| 812 | "r3": { | |
| 813 | "bgp": [ | |
| 814 | { | |
| 815 | "local_as": "300", | |
| 816 | "address_family": { | |
| 817 | addr_type: { | |
| 818 | "unicast": { | |
| 819 | "neighbor": { | |
| 820 | "r2": { | |
| 821 | "dest_link": { | |
| 822 | "r3": {"local_asn": {"local_as": "110"}} | |
| 823 | } | |
| 824 | } | |
| 825 | } | |
| 826 | } | |
| 827 | } | |
| 828 | }, | |
| 829 | } | |
| 830 | ] | |
| 831 | } | |
| 832 | } | |
| 833 | result = create_router_bgp(tgen, topo, input_dict_r3_to_r2) | |
| 834 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 835 | tc_name, result | |
| 836 | ) | |
| 837 | ||
| 838 | step("Configure local-as at R3 towards R4.") | |
| 839 | for addr_type in ADDR_TYPES: | |
| 840 | input_dict_r3_to_r4 = { | |
| 841 | "r3": { | |
| 842 | "bgp": [ | |
| 843 | { | |
| 844 | "local_as": "300", | |
| 845 | "address_family": { | |
| 846 | addr_type: { | |
| 847 | "unicast": { | |
| 848 | "neighbor": { | |
| 849 | "r4": { | |
| 850 | "dest_link": { | |
| 851 | "r3": {"local_asn": {"local_as": "110"}} | |
| 852 | } | |
| 853 | } | |
| 854 | } | |
| 855 | } | |
| 856 | } | |
| 857 | }, | |
| 858 | } | |
| 859 | ] | |
| 860 | } | |
| 861 | } | |
| 862 | result = create_router_bgp(tgen, topo, input_dict_r3_to_r4) | |
| 863 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 864 | tc_name, result | |
| 865 | ) | |
| 866 | ||
| 867 | step("Configure remote-as at R2 towards R3.") | |
| 868 | for addr_type in ADDR_TYPES: | |
| 869 | input_dict_r2_to_r3 = { | |
| 870 | "r2": { | |
| 871 | "bgp": [ | |
| 872 | { | |
| 873 | "local_as": "200", | |
| 874 | "address_family": { | |
| 875 | addr_type: { | |
| 876 | "unicast": { | |
| 877 | "neighbor": { | |
| 878 | "r3": { | |
| 879 | "dest_link": { | |
| 880 | "r2": { | |
| 881 | "local_asn": {"remote_as": "110"} | |
| 882 | } | |
| 883 | } | |
| 884 | } | |
| 885 | } | |
| 886 | } | |
| 887 | } | |
| 888 | }, | |
| 889 | } | |
| 890 | ] | |
| 891 | } | |
| 892 | } | |
| 893 | result = create_router_bgp(tgen, topo, input_dict_r2_to_r3) | |
| 894 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 895 | tc_name, result | |
| 896 | ) | |
| 897 | ||
| 898 | step("Configure remote-as at R4 towards R3.") | |
| 899 | for addr_type in ADDR_TYPES: | |
| 900 | input_dict_r4_to_r3 = { | |
| 901 | "r4": { | |
| 902 | "bgp": [ | |
| 903 | { | |
| 904 | "local_as": "400", | |
| 905 | "address_family": { | |
| 906 | addr_type: { | |
| 907 | "unicast": { | |
| 908 | "neighbor": { | |
| 909 | "r3": { | |
| 910 | "dest_link": { | |
| 911 | "r4": { | |
| 912 | "local_asn": {"remote_as": "110"} | |
| 913 | } | |
| 914 | } | |
| 915 | } | |
| 916 | } | |
| 917 | } | |
| 918 | } | |
| 919 | }, | |
| 920 | } | |
| 921 | ] | |
| 922 | } | |
| 923 | } | |
| 924 | result = create_router_bgp(tgen, topo, input_dict_r4_to_r3) | |
| 925 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 926 | tc_name, result | |
| 927 | ) | |
| 928 | ||
| 929 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 930 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 931 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 932 | BGP_CONVERGENCE | |
| 933 | ) | |
| 934 | ||
| 935 | step("Verify IPv4 and IPv6 static routes received on R3 & R4") | |
| 936 | for addr_type in ADDR_TYPES: | |
| 937 | static_routes_input = { | |
| 938 | "r1": { | |
| 939 | "static_routes": [ | |
| 940 | { | |
| 941 | "network": NETWORK[addr_type], | |
| 942 | "next_hop": NEXT_HOP_IP_GR[addr_type], | |
| 943 | } | |
| 944 | ] | |
| 945 | } | |
| 946 | } | |
| 947 | for dut in ["r3", "r4"]: | |
| 948 | result = verify_fib_routes(tgen, addr_type, dut, static_routes_input) | |
| 949 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 950 | tc_name, result | |
| 951 | ) | |
| 952 | ||
| 953 | result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input) | |
| 954 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 955 | tc_name, result | |
| 956 | ) | |
| 957 | ||
| 958 | step( | |
| 959 | "Verify that AS-110 is got added in the AS list 110 200 100 by following " | |
| 960 | " commands at R3 router." | |
| 961 | ) | |
| 962 | dut = "r3" | |
| 963 | aspath = "110 200 100" | |
| 964 | for addr_type in ADDR_TYPES: | |
| 965 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 966 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 967 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 968 | tc_name, result | |
| 969 | ) | |
| 970 | ||
| 971 | """ | |
| 972 | GR Steps : Helper BGP router R2, mark and unmark IPV4 routes | |
| 973 | as stale as the restarting router R3 come up within the restart time | |
| 974 | """ | |
| 975 | # Create route-map to prefer global next-hop | |
| 976 | input_dict = { | |
| 977 | "r2": { | |
| 978 | "route_maps": { | |
| 979 | "rmap_global": [ | |
| 980 | {"action": "permit", "set": {"ipv6": {"nexthop": "prefer-global"}}} | |
| 981 | ] | |
| 982 | } | |
| 983 | }, | |
| 984 | "r3": { | |
| 985 | "route_maps": { | |
| 986 | "rmap_global": [ | |
| 987 | {"action": "permit", "set": {"ipv6": {"nexthop": "prefer-global"}}} | |
| 988 | ] | |
| 989 | } | |
| 990 | }, | |
| 991 | } | |
| 992 | result = create_route_maps(tgen, input_dict) | |
| 993 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 994 | ||
| 995 | # Configure neighbor for route map | |
| 996 | input_dict_neigh_rm = { | |
| 997 | "r2": { | |
| 998 | "bgp": { | |
| 999 | "address_family": { | |
| 1000 | "ipv6": { | |
| 1001 | "unicast": { | |
| 1002 | "neighbor": { | |
| 1003 | "r3": { | |
| 1004 | "dest_link": { | |
| 1005 | "r2": { | |
| 1006 | "route_maps": [ | |
| 1007 | { | |
| 1008 | "name": "rmap_global", | |
| 1009 | "direction": "in", | |
| 1010 | } | |
| 1011 | ] | |
| 1012 | } | |
| 1013 | } | |
| 1014 | } | |
| 1015 | } | |
| 1016 | } | |
| 1017 | } | |
| 1018 | } | |
| 1019 | } | |
| 1020 | }, | |
| 1021 | "r3": { | |
| 1022 | "bgp": { | |
| 1023 | "address_family": { | |
| 1024 | "ipv6": { | |
| 1025 | "unicast": { | |
| 1026 | "neighbor": { | |
| 1027 | "r2": { | |
| 1028 | "dest_link": { | |
| 1029 | "r3": { | |
| 1030 | "route_maps": [ | |
| 1031 | { | |
| 1032 | "name": "rmap_global", | |
| 1033 | "direction": "in", | |
| 1034 | } | |
| 1035 | ] | |
| 1036 | } | |
| 1037 | } | |
| 1038 | } | |
| 1039 | } | |
| 1040 | } | |
| 1041 | } | |
| 1042 | } | |
| 1043 | } | |
| 1044 | }, | |
| 1045 | } | |
| 1046 | ||
| 1047 | result = create_router_bgp(tgen, topo, input_dict_neigh_rm) | |
| 1048 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 1049 | ||
| 1050 | # Configure graceful-restart | |
| 1051 | input_dict = { | |
| 1052 | "r2": { | |
| 1053 | "bgp": { | |
| 1054 | "address_family": { | |
| 1055 | "ipv4": { | |
| 1056 | "unicast": { | |
| 1057 | "neighbor": { | |
| 1058 | "r3": { | |
| 1059 | "dest_link": { | |
| 1060 | "r2": { | |
| 1061 | "graceful-restart-helper": True, | |
| 1062 | "local_asn": {"remote_as": "110"}, | |
| 1063 | } | |
| 1064 | } | |
| 1065 | } | |
| 1066 | } | |
| 1067 | } | |
| 1068 | }, | |
| 1069 | "ipv6": { | |
| 1070 | "unicast": { | |
| 1071 | "neighbor": { | |
| 1072 | "r3": { | |
| 1073 | "dest_link": { | |
| 1074 | "r2": { | |
| 1075 | "graceful-restart-helper": True, | |
| 1076 | "local_asn": {"remote_as": "110"}, | |
| 1077 | } | |
| 1078 | } | |
| 1079 | } | |
| 1080 | } | |
| 1081 | } | |
| 1082 | }, | |
| 1083 | } | |
| 1084 | } | |
| 1085 | }, | |
| 1086 | "r3": { | |
| 1087 | "bgp": { | |
| 1088 | "address_family": { | |
| 1089 | "ipv4": { | |
| 1090 | "unicast": { | |
| 1091 | "neighbor": { | |
| 1092 | "r2": {"dest_link": {"r3": {"graceful-restart": True}}} | |
| 1093 | } | |
| 1094 | } | |
| 1095 | }, | |
| 1096 | "ipv6": { | |
| 1097 | "unicast": { | |
| 1098 | "neighbor": { | |
| 1099 | "r2": {"dest_link": {"r3": {"graceful-restart": True}}} | |
| 1100 | } | |
| 1101 | } | |
| 1102 | }, | |
| 1103 | } | |
| 1104 | } | |
| 1105 | }, | |
| 1106 | } | |
| 1107 | ||
| 1108 | configure_gr_followed_by_clear(tgen, topo, input_dict, tc_name, dut="r3", peer="r2") | |
| 1109 | for addr_type in ADDR_TYPES: | |
| 1110 | result = verify_graceful_restart( | |
| 1111 | tgen, topo, addr_type, input_dict, dut="r3", peer="r2" | |
| 1112 | ) | |
| 1113 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1114 | ||
| 1115 | # Verifying BGP RIB routes | |
| 1116 | dut = "r2" | |
| 1117 | peer = "r3" | |
| 1118 | next_hop = next_hop_per_address_family( | |
| 1119 | tgen, dut, peer, addr_type, NEXT_HOP_IP_2, preferred_next_hop="global" | |
| 1120 | ) | |
| 1121 | input_topo = {key: topo["routers"][key] for key in ["r3"]} | |
| 1122 | result = verify_bgp_rib(tgen, addr_type, dut, input_topo) | |
| 1123 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1124 | ||
| 1125 | # Verifying RIB routes | |
| 1126 | result = verify_rib(tgen, addr_type, dut, input_topo, next_hop, "bgp") | |
| 1127 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1128 | ||
| 1129 | logger.info("[Phase 2] : R3 goes for reload ") | |
| 1130 | ||
| 1131 | kill_router_daemons(tgen, "r3", ["bgpd"]) | |
| 1132 | ||
| 1133 | logger.info( | |
| 1134 | "[Phase 3] : R3 is still down, restart time 120 sec." | |
| 1135 | " So time verify the routes are present in BGP RIB" | |
| 1136 | " and ZEBRA" | |
| 1137 | ) | |
| 1138 | ||
| 1139 | for addr_type in ADDR_TYPES: | |
| 1140 | # Verifying BGP RIB routes | |
| 1141 | next_hop = next_hop_per_address_family( | |
| 1142 | tgen, dut, peer, addr_type, NEXT_HOP_IP_2, preferred_next_hop="global" | |
| 1143 | ) | |
| 1144 | result = verify_bgp_rib(tgen, addr_type, dut, input_topo, next_hop) | |
| 1145 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1146 | ||
| 1147 | # Verifying RIB routes | |
| 1148 | protocol = "bgp" | |
| 1149 | result = verify_rib(tgen, addr_type, dut, input_topo, next_hop, protocol) | |
| 1150 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1151 | ||
| 1152 | logger.info("[Phase 5] : R3 is about to come up now ") | |
| 1153 | start_router_daemons(tgen, "r3", ["bgpd"]) | |
| 1154 | ||
| 1155 | logger.info("[Phase 5] : R3 is UP Now ! ") | |
| 1156 | ||
| 1157 | for addr_type in ADDR_TYPES: | |
| 1158 | result = verify_bgp_convergence(tgen, topo) | |
| 1159 | assert ( | |
| 1160 | result is True | |
| 1161 | ), "BGP Convergence after BGPd restart" " :Failed \n Error:{}".format(result) | |
| 1162 | ||
| 1163 | # Verifying GR stats | |
| 1164 | result = verify_graceful_restart( | |
| 1165 | tgen, topo, addr_type, input_dict, dut="r3", peer="r2" | |
| 1166 | ) | |
| 1167 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1168 | ||
| 1169 | result = verify_r_bit(tgen, topo, addr_type, input_dict, dut="r2", peer="r3") | |
| 1170 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1171 | ||
| 1172 | # Verifying BGP RIB routes | |
| 1173 | next_hop = next_hop_per_address_family( | |
| 1174 | tgen, dut, peer, addr_type, NEXT_HOP_IP_2, preferred_next_hop="global" | |
| 1175 | ) | |
| 1176 | result = verify_bgp_rib(tgen, addr_type, dut, input_topo, next_hop) | |
| 1177 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1178 | ||
| 1179 | # Verifying RIB routes | |
| 1180 | protocol = "bgp" | |
| 1181 | result = verify_rib(tgen, addr_type, dut, input_topo, next_hop, protocol) | |
| 1182 | assert result is True, "Testcase {} :Failed \n Error {}".format(tc_name, result) | |
| 1183 | ||
| 1184 | step("Configure local-as with no-prepend at R3 towards R2.") | |
| 1185 | for addr_type in ADDR_TYPES: | |
| 1186 | input_dict_no_prep_r3_to_r2 = { | |
| 1187 | "r3": { | |
| 1188 | "bgp": [ | |
| 1189 | { | |
| 1190 | "local_as": "300", | |
| 1191 | "address_family": { | |
| 1192 | addr_type: { | |
| 1193 | "unicast": { | |
| 1194 | "neighbor": { | |
| 1195 | "r2": { | |
| 1196 | "dest_link": { | |
| 1197 | "r3": { | |
| 1198 | "local_asn": { | |
| 1199 | "local_as": "110", | |
| 1200 | "no_prepend": True, | |
| 1201 | } | |
| 1202 | } | |
| 1203 | } | |
| 1204 | } | |
| 1205 | } | |
| 1206 | } | |
| 1207 | } | |
| 1208 | }, | |
| 1209 | } | |
| 1210 | ] | |
| 1211 | } | |
| 1212 | } | |
| 1213 | result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r2) | |
| 1214 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1215 | tc_name, result | |
| 1216 | ) | |
| 1217 | ||
| 1218 | step("Configure local-as with no-prepend at R3 towards R4.") | |
| 1219 | for addr_type in ADDR_TYPES: | |
| 1220 | input_dict_no_prep_r3_to_r4 = { | |
| 1221 | "r3": { | |
| 1222 | "bgp": [ | |
| 1223 | { | |
| 1224 | "local_as": "300", | |
| 1225 | "address_family": { | |
| 1226 | addr_type: { | |
| 1227 | "unicast": { | |
| 1228 | "neighbor": { | |
| 1229 | "r4": { | |
| 1230 | "dest_link": { | |
| 1231 | "r3": { | |
| 1232 | "local_asn": { | |
| 1233 | "local_as": "110", | |
| 1234 | "no_prepend": True, | |
| 1235 | } | |
| 1236 | } | |
| 1237 | } | |
| 1238 | } | |
| 1239 | } | |
| 1240 | } | |
| 1241 | } | |
| 1242 | }, | |
| 1243 | } | |
| 1244 | ] | |
| 1245 | } | |
| 1246 | } | |
| 1247 | result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r4) | |
| 1248 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1249 | tc_name, result | |
| 1250 | ) | |
| 1251 | ||
| 1252 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 1253 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 1254 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 1255 | BGP_CONVERGENCE | |
| 1256 | ) | |
| 1257 | ||
| 1258 | dut = "r3" | |
| 1259 | aspath = "200 100" | |
| 1260 | for addr_type in ADDR_TYPES: | |
| 1261 | input_static_r1 = {"r2": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1262 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1263 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1264 | tc_name, result | |
| 1265 | ) | |
| 1266 | ||
| 1267 | step("Configure local-as with no-prepend and replace-as at R3 towards R2") | |
| 1268 | for addr_type in ADDR_TYPES: | |
| 1269 | input_dict_no_prep_rep_as_r3_to_r2 = { | |
| 1270 | "r3": { | |
| 1271 | "bgp": [ | |
| 1272 | { | |
| 1273 | "local_as": "300", | |
| 1274 | "address_family": { | |
| 1275 | addr_type: { | |
| 1276 | "unicast": { | |
| 1277 | "neighbor": { | |
| 1278 | "r2": { | |
| 1279 | "dest_link": { | |
| 1280 | "r3": { | |
| 1281 | "local_asn": { | |
| 1282 | "local_as": "110", | |
| 1283 | "no_prepend": True, | |
| 1284 | "replace_as": True, | |
| 1285 | } | |
| 1286 | } | |
| 1287 | } | |
| 1288 | } | |
| 1289 | } | |
| 1290 | } | |
| 1291 | } | |
| 1292 | }, | |
| 1293 | } | |
| 1294 | ] | |
| 1295 | } | |
| 1296 | } | |
| 1297 | result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r2) | |
| 1298 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1299 | tc_name, result | |
| 1300 | ) | |
| 1301 | ||
| 1302 | step("Configure local-as with no-prepend and replace-as at R3 towards R4") | |
| 1303 | for addr_type in ADDR_TYPES: | |
| 1304 | input_dict_no_prep_rep_as_r3_to_r4 = { | |
| 1305 | "r3": { | |
| 1306 | "bgp": [ | |
| 1307 | { | |
| 1308 | "local_as": "300", | |
| 1309 | "address_family": { | |
| 1310 | addr_type: { | |
| 1311 | "unicast": { | |
| 1312 | "neighbor": { | |
| 1313 | "r4": { | |
| 1314 | "dest_link": { | |
| 1315 | "r3": { | |
| 1316 | "local_asn": { | |
| 1317 | "local_as": "110", | |
| 1318 | "no_prepend": True, | |
| 1319 | "replace_as": True, | |
| 1320 | } | |
| 1321 | } | |
| 1322 | } | |
| 1323 | } | |
| 1324 | } | |
| 1325 | } | |
| 1326 | } | |
| 1327 | }, | |
| 1328 | } | |
| 1329 | ] | |
| 1330 | } | |
| 1331 | } | |
| 1332 | result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r4) | |
| 1333 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1334 | tc_name, result | |
| 1335 | ) | |
| 1336 | ||
| 1337 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 1338 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 1339 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 1340 | BGP_CONVERGENCE | |
| 1341 | ) | |
| 1342 | ||
| 1343 | dut = "r4" | |
| 1344 | aspath = "110 200 100" | |
| 1345 | for addr_type in ADDR_TYPES: | |
| 1346 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1347 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1348 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1349 | tc_name, result | |
| 1350 | ) | |
| 1351 | ||
| 1352 | write_test_footer(tc_name) | |
| 1353 | ||
| 1354 | ||
| 1355 | def test_verify_bgp_local_as_in_EBGP_aspath_p0(request): | |
| 1356 | """ | |
| 1357 | Verify the BGP Local AS functionality by adding another AS & by same AS with AS-Prepend command in between eBGP Peers. | |
| 1358 | """ | |
| 1359 | tgen = get_topogen() | |
| 1360 | global BGP_CONVERGENCE | |
| 1361 | ||
| 1362 | if BGP_CONVERGENCE != True: | |
| 1363 | pytest.skip("skipped because of BGP Convergence failure") | |
| 1364 | # test case name | |
| 1365 | tc_name = request.node.name | |
| 1366 | write_test_header(tc_name) | |
| 1367 | if tgen.routers_have_failure(): | |
| 1368 | check_router_status(tgen) | |
| 1369 | reset_config_on_routers(tgen) | |
| 1370 | ||
| 1371 | step("Configure basic BGP Peerings between R1,R2,R3 and R4") | |
| 1372 | step("Configure local-as at R3 towards R4.") | |
| 1373 | for addr_type in ADDR_TYPES: | |
| 1374 | for neighbor in ["r2", "r4"]: | |
| 1375 | input_dict_r3 = { | |
| 1376 | "r3": { | |
| 1377 | "bgp": { | |
| 1378 | "local_as": "300", | |
| 1379 | "address_family": { | |
| 1380 | addr_type: { | |
| 1381 | "unicast": { | |
| 1382 | "neighbor": { | |
| 1383 | neighbor: { | |
| 1384 | "dest_link": { | |
| 1385 | "r3": {"local_asn": {"local_as": "110"}} | |
| 1386 | } | |
| 1387 | } | |
| 1388 | } | |
| 1389 | } | |
| 1390 | } | |
| 1391 | }, | |
| 1392 | } | |
| 1393 | } | |
| 1394 | } | |
| 1395 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 1396 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1397 | tc_name, result | |
| 1398 | ) | |
| 1399 | ||
| 1400 | for addr_type in ADDR_TYPES: | |
| 1401 | for dut, asn, neighbor in zip(["r2", "r4"], ["200", "400"], ["r3", "r3"]): | |
| 1402 | input_dict_r2_r4 = { | |
| 1403 | dut: { | |
| 1404 | "bgp": { | |
| 1405 | "local_as": asn, | |
| 1406 | "address_family": { | |
| 1407 | addr_type: { | |
| 1408 | "unicast": { | |
| 1409 | "neighbor": { | |
| 1410 | neighbor: { | |
| 1411 | "dest_link": { | |
| 1412 | dut: {"local_asn": {"remote_as": "110"}} | |
| 1413 | } | |
| 1414 | } | |
| 1415 | } | |
| 1416 | } | |
| 1417 | } | |
| 1418 | }, | |
| 1419 | } | |
| 1420 | } | |
| 1421 | } | |
| 1422 | result = create_router_bgp(tgen, topo, input_dict_r2_r4) | |
| 1423 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1424 | tc_name, result | |
| 1425 | ) | |
| 1426 | ||
| 1427 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 1428 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 1429 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 1430 | BGP_CONVERGENCE | |
| 1431 | ) | |
| 1432 | ||
| 1433 | # configure static routes | |
| 1434 | step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-100).") | |
| 1435 | step( | |
| 1436 | "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100)." | |
| 1437 | ) | |
| 1438 | step("Verify that Static routes are redistributed in BGP process") | |
| 1439 | ||
| 1440 | dut = "r1" | |
| 1441 | protocol = "bgp" | |
| 1442 | for addr_type in ADDR_TYPES: | |
| 1443 | # Enable static routes | |
| 1444 | input_static_r1 = { | |
| 1445 | "r1": { | |
| 1446 | "static_routes": [ | |
| 1447 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 1448 | ] | |
| 1449 | } | |
| 1450 | } | |
| 1451 | ||
| 1452 | logger.info("Configure static routes") | |
| 1453 | result = create_static_routes(tgen, input_static_r1) | |
| 1454 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1455 | tc_name, result | |
| 1456 | ) | |
| 1457 | ||
| 1458 | step("configure redistribute static in Router BGP in R1") | |
| 1459 | ||
| 1460 | input_static_redist_r1 = { | |
| 1461 | "r1": { | |
| 1462 | "bgp": { | |
| 1463 | "address_family": { | |
| 1464 | addr_type: { | |
| 1465 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 1466 | } | |
| 1467 | } | |
| 1468 | } | |
| 1469 | } | |
| 1470 | } | |
| 1471 | result = create_router_bgp(tgen, topo, input_static_redist_r1) | |
| 1472 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1473 | tc_name, result | |
| 1474 | ) | |
| 1475 | ||
| 1476 | step("Verify that Static routes are redistributed in BGP process") | |
| 1477 | for addr_type in ADDR_TYPES: | |
| 1478 | input_static_verify_r1 = { | |
| 1479 | "r1": {"static_routes": [{"network": NETWORK[addr_type]}]} | |
| 1480 | } | |
| 1481 | ||
| 1482 | result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1) | |
| 1483 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 1484 | tc_name, result | |
| 1485 | ) | |
| 1486 | ||
| 1487 | for dut in ["r3", "r4"]: | |
| 1488 | result = verify_rib(tgen, addr_type, dut, input_static_r1) | |
| 1489 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 1490 | tc_name, result | |
| 1491 | ) | |
| 1492 | ||
| 1493 | for dut, input_routes in zip(["r1"], [input_static_r1]): | |
| 1494 | result = verify_rib(tgen, addr_type, dut, input_routes) | |
| 1495 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 1496 | tc_name, result | |
| 1497 | ) | |
| 1498 | ||
| 1499 | step( | |
| 1500 | "Verify that AS-110 is got added in the AS list 110 200 100 by following" | |
| 1501 | "commands at R3 router." | |
| 1502 | ) | |
| 1503 | dut = "r3" | |
| 1504 | aspath = "110 200 100" | |
| 1505 | for addr_type in ADDR_TYPES: | |
| 1506 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1507 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1508 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1509 | tc_name, result | |
| 1510 | ) | |
| 1511 | ||
| 1512 | step("Configure local-as with no-prepend at R3 towards R4 & R2.") | |
| 1513 | for addr_type in ADDR_TYPES: | |
| 1514 | for neighbor in ["r2", "r4"]: | |
| 1515 | input_dict_r3 = { | |
| 1516 | "r3": { | |
| 1517 | "bgp": { | |
| 1518 | "local_as": "300", | |
| 1519 | "address_family": { | |
| 1520 | addr_type: { | |
| 1521 | "unicast": { | |
| 1522 | "neighbor": { | |
| 1523 | neighbor: { | |
| 1524 | "dest_link": { | |
| 1525 | "r3": { | |
| 1526 | "local_asn": { | |
| 1527 | "local_as": "110", | |
| 1528 | "no_prepend": True, | |
| 1529 | } | |
| 1530 | } | |
| 1531 | } | |
| 1532 | } | |
| 1533 | } | |
| 1534 | } | |
| 1535 | } | |
| 1536 | }, | |
| 1537 | } | |
| 1538 | } | |
| 1539 | } | |
| 1540 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 1541 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1542 | tc_name, result | |
| 1543 | ) | |
| 1544 | ||
| 1545 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 1546 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 1547 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 1548 | BGP_CONVERGENCE | |
| 1549 | ) | |
| 1550 | ||
| 1551 | step("Verify advertised routes to R4 at R3") | |
| 1552 | expected_routes = { | |
| 1553 | "ipv4": [ | |
| 1554 | {"network": "10.1.1.0/32", "nexthop": ""}, | |
| 1555 | ], | |
| 1556 | "ipv6": [ | |
| 1557 | {"network": "10:1::1:0/128", "nexthop": ""}, | |
| 1558 | ], | |
| 1559 | } | |
| 1560 | result = verify_bgp_advertised_routes_from_neighbor( | |
| 1561 | tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes | |
| 1562 | ) | |
| 1563 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 1564 | ||
| 1565 | dut = "r3" | |
| 1566 | aspath = "200 100" | |
| 1567 | for addr_type in ADDR_TYPES: | |
| 1568 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1569 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1570 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1571 | tc_name, result | |
| 1572 | ) | |
| 1573 | ||
| 1574 | step("Configure a route-map on R3 to prepend AS 2 times.") | |
| 1575 | for addr_type in ADDR_TYPES: | |
| 1576 | input_dict_4 = { | |
| 1577 | "r3": { | |
| 1578 | "route_maps": { | |
| 1579 | "ASP_{}".format(addr_type): [ | |
| 1580 | { | |
| 1581 | "action": "permit", | |
| 1582 | "set": { | |
| 1583 | "path": {"as_num": "1000 1000", "as_action": "prepend"} | |
| 1584 | }, | |
| 1585 | } | |
| 1586 | ] | |
| 1587 | } | |
| 1588 | } | |
| 1589 | } | |
| 1590 | result = create_route_maps(tgen, input_dict_4) | |
| 1591 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1592 | tc_name, result | |
| 1593 | ) | |
| 1594 | ||
| 1595 | step("configure route map in out direction on R4") | |
| 1596 | # Configure neighbor for route map | |
| 1597 | input_dict_7 = { | |
| 1598 | "r3": { | |
| 1599 | "bgp": { | |
| 1600 | "address_family": { | |
| 1601 | addr_type: { | |
| 1602 | "unicast": { | |
| 1603 | "neighbor": { | |
| 1604 | "r4": { | |
| 1605 | "dest_link": { | |
| 1606 | "r3": { | |
| 1607 | "route_maps": [ | |
| 1608 | { | |
| 1609 | "name": "ASP_{}".format( | |
| 1610 | addr_type | |
| 1611 | ), | |
| 1612 | "direction": "out", | |
| 1613 | } | |
| 1614 | ] | |
| 1615 | } | |
| 1616 | } | |
| 1617 | } | |
| 1618 | } | |
| 1619 | } | |
| 1620 | } | |
| 1621 | } | |
| 1622 | } | |
| 1623 | } | |
| 1624 | } | |
| 1625 | ||
| 1626 | result = create_router_bgp(tgen, topo, input_dict_7) | |
| 1627 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1628 | tc_name, result | |
| 1629 | ) | |
| 1630 | ||
| 1631 | step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.") | |
| 1632 | for addr_type in ADDR_TYPES: | |
| 1633 | for neighbor in ["r2", "r4"]: | |
| 1634 | input_dict_r3 = { | |
| 1635 | "r3": { | |
| 1636 | "bgp": { | |
| 1637 | "local_as": "300", | |
| 1638 | "address_family": { | |
| 1639 | addr_type: { | |
| 1640 | "unicast": { | |
| 1641 | "neighbor": { | |
| 1642 | neighbor: { | |
| 1643 | "dest_link": { | |
| 1644 | "r3": { | |
| 1645 | "local_asn": { | |
| 1646 | "local_as": "110", | |
| 1647 | "no_prepend": True, | |
| 1648 | "replace_as": True, | |
| 1649 | } | |
| 1650 | } | |
| 1651 | } | |
| 1652 | } | |
| 1653 | } | |
| 1654 | } | |
| 1655 | } | |
| 1656 | }, | |
| 1657 | } | |
| 1658 | } | |
| 1659 | } | |
| 1660 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 1661 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1662 | tc_name, result | |
| 1663 | ) | |
| 1664 | ||
| 1665 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 1666 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 1667 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 1668 | BGP_CONVERGENCE | |
| 1669 | ) | |
| 1670 | ||
| 1671 | step( | |
| 1672 | "Verify that AS-300 is got replaced with 200 in the AS list 110 1000 1000 200 100 by following" | |
| 1673 | "commands at R3 router." | |
| 1674 | ) | |
| 1675 | dut = "r4" | |
| 1676 | aspath = "110 1000 1000 200 100" | |
| 1677 | for addr_type in ADDR_TYPES: | |
| 1678 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1679 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1680 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1681 | tc_name, result | |
| 1682 | ) | |
| 1683 | write_test_footer(tc_name) | |
| 1684 | ||
| 1685 | ||
| 1686 | def test_verify_bgp_local_as_in_iBGP_p0(request): | |
| 1687 | """ | |
| 1688 | Verify the BGP Local AS functionality by adding no-prepend and replace-as command in between iBGP Peers. | |
| 1689 | """ | |
| 1690 | tgen = get_topogen() | |
| 1691 | global BGP_CONVERGENCE | |
| 1692 | if BGP_CONVERGENCE != True: | |
| 1693 | pytest.skip("skipped because of BGP Convergence failure") | |
| 1694 | # test case name | |
| 1695 | tc_name = request.node.name | |
| 1696 | write_test_header(tc_name) | |
| 1697 | if tgen.routers_have_failure(): | |
| 1698 | check_router_status(tgen) | |
| 1699 | reset_config_on_routers(tgen) | |
| 1700 | ||
| 1701 | step("Modify AS Number for R3") | |
| 1702 | input_dict_modify_as_number = {"r3": {"bgp": {"local_as": 200}}} | |
| 1703 | result = modify_as_number(tgen, topo, input_dict_modify_as_number) | |
| 1704 | ||
| 1705 | step("Base config is done as part of JSON") | |
| 1706 | for addr_type in ADDR_TYPES: | |
| 1707 | # Enable static routes | |
| 1708 | input_dict_static_route = { | |
| 1709 | "r1": { | |
| 1710 | "static_routes": [ | |
| 1711 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 1712 | ] | |
| 1713 | } | |
| 1714 | } | |
| 1715 | ||
| 1716 | logger.info("Configure static routes") | |
| 1717 | result = create_static_routes(tgen, input_dict_static_route) | |
| 1718 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1719 | tc_name, result | |
| 1720 | ) | |
| 1721 | ||
| 1722 | step("configure redistribute static in Router BGP in R1") | |
| 1723 | input_dict_static_route_redist = { | |
| 1724 | "r1": { | |
| 1725 | "bgp": [ | |
| 1726 | { | |
| 1727 | "address_family": { | |
| 1728 | addr_type: { | |
| 1729 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 1730 | } | |
| 1731 | } | |
| 1732 | } | |
| 1733 | ] | |
| 1734 | } | |
| 1735 | } | |
| 1736 | result = create_router_bgp(tgen, topo, input_dict_static_route_redist) | |
| 1737 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1738 | tc_name, result | |
| 1739 | ) | |
| 1740 | ||
| 1741 | step("Verify IPv4 and IPv6 static routes received on R1") | |
| 1742 | result = verify_rib(tgen, addr_type, "r1", input_dict_static_route) | |
| 1743 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 1744 | tc_name, result | |
| 1745 | ) | |
| 1746 | result = verify_bgp_rib(tgen, addr_type, "r1", input_dict_static_route) | |
| 1747 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1748 | tc_name, result | |
| 1749 | ) | |
| 1750 | result = verify_fib_routes(tgen, addr_type, "r1", input_dict_static_route) | |
| 1751 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1752 | tc_name, result | |
| 1753 | ) | |
| 1754 | ||
| 1755 | step("Configure local-as at R3 towards R4.") | |
| 1756 | for addr_type in ADDR_TYPES: | |
| 1757 | input_dict_r3_to_r4 = { | |
| 1758 | "r3": { | |
| 1759 | "bgp": [ | |
| 1760 | { | |
| 1761 | "local_as": "200", | |
| 1762 | "address_family": { | |
| 1763 | addr_type: { | |
| 1764 | "unicast": { | |
| 1765 | "neighbor": { | |
| 1766 | "r4": { | |
| 1767 | "dest_link": { | |
| 1768 | "r3": {"local_asn": {"local_as": "110"}} | |
| 1769 | } | |
| 1770 | } | |
| 1771 | } | |
| 1772 | } | |
| 1773 | } | |
| 1774 | }, | |
| 1775 | } | |
| 1776 | ] | |
| 1777 | } | |
| 1778 | } | |
| 1779 | result = create_router_bgp(tgen, topo, input_dict_r3_to_r4) | |
| 1780 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1781 | tc_name, result | |
| 1782 | ) | |
| 1783 | ||
| 1784 | step("Configure remote-as at R4 towards R3.") | |
| 1785 | for addr_type in ADDR_TYPES: | |
| 1786 | input_dict_r4_to_r3 = { | |
| 1787 | "r4": { | |
| 1788 | "bgp": [ | |
| 1789 | { | |
| 1790 | "local_as": "400", | |
| 1791 | "address_family": { | |
| 1792 | addr_type: { | |
| 1793 | "unicast": { | |
| 1794 | "neighbor": { | |
| 1795 | "r3": { | |
| 1796 | "dest_link": { | |
| 1797 | "r4": { | |
| 1798 | "local_asn": {"remote_as": "110"} | |
| 1799 | } | |
| 1800 | } | |
| 1801 | } | |
| 1802 | } | |
| 1803 | } | |
| 1804 | } | |
| 1805 | }, | |
| 1806 | } | |
| 1807 | ] | |
| 1808 | } | |
| 1809 | } | |
| 1810 | result = create_router_bgp(tgen, topo, input_dict_r4_to_r3) | |
| 1811 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1812 | tc_name, result | |
| 1813 | ) | |
| 1814 | ||
| 1815 | step("Configure remote-as at R2 towards R3.") | |
| 1816 | for addr_type in ADDR_TYPES: | |
| 1817 | input_dict_r2_to_r3 = { | |
| 1818 | "r2": { | |
| 1819 | "bgp": [ | |
| 1820 | { | |
| 1821 | "local_as": "200", | |
| 1822 | "address_family": { | |
| 1823 | addr_type: { | |
| 1824 | "unicast": { | |
| 1825 | "neighbor": { | |
| 1826 | "r3": { | |
| 1827 | "dest_link": { | |
| 1828 | "r2": { | |
| 1829 | "next_hop_self": True, | |
| 1830 | "local_asn": { | |
| 1831 | "remote_as": "200", | |
| 1832 | }, | |
| 1833 | } | |
| 1834 | } | |
| 1835 | } | |
| 1836 | } | |
| 1837 | } | |
| 1838 | } | |
| 1839 | }, | |
| 1840 | } | |
| 1841 | ] | |
| 1842 | } | |
| 1843 | } | |
| 1844 | result = create_router_bgp(tgen, topo, input_dict_r2_to_r3) | |
| 1845 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1846 | tc_name, result | |
| 1847 | ) | |
| 1848 | ||
| 1849 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 1850 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 1851 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 1852 | BGP_CONVERGENCE | |
| 1853 | ) | |
| 1854 | ||
| 1855 | step("Verify IPv4 and IPv6 static routes received on R3 & R4") | |
| 1856 | for addr_type in ADDR_TYPES: | |
| 1857 | static_routes_input = { | |
| 1858 | "r1": { | |
| 1859 | "static_routes": [ | |
| 1860 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 1861 | ] | |
| 1862 | } | |
| 1863 | } | |
| 1864 | for dut in ["r3", "r4"]: | |
| 1865 | result = verify_fib_routes(tgen, addr_type, dut, static_routes_input) | |
| 1866 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1867 | tc_name, result | |
| 1868 | ) | |
| 1869 | ||
| 1870 | result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input) | |
| 1871 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1872 | tc_name, result | |
| 1873 | ) | |
| 1874 | ||
| 1875 | step( | |
| 1876 | "Verify that AS-110 is got added in the AS list 110 200 100 by following " | |
| 1877 | " commands at R3 router." | |
| 1878 | ) | |
| 1879 | dut = "r3" | |
| 1880 | aspath = "100" | |
| 1881 | for addr_type in ADDR_TYPES: | |
| 1882 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1883 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1884 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1885 | tc_name, result | |
| 1886 | ) | |
| 1887 | ||
| 1888 | dut = "r4" | |
| 1889 | aspath = "110 200 100" | |
| 1890 | for addr_type in ADDR_TYPES: | |
| 1891 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1892 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1893 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1894 | tc_name, result | |
| 1895 | ) | |
| 1896 | ||
| 1897 | step("Configure local-as with no-prepend at R3 towards R4.") | |
| 1898 | for addr_type in ADDR_TYPES: | |
| 1899 | input_dict_no_prep_r3_to_r4 = { | |
| 1900 | "r3": { | |
| 1901 | "bgp": [ | |
| 1902 | { | |
| 1903 | "local_as": "200", | |
| 1904 | "address_family": { | |
| 1905 | addr_type: { | |
| 1906 | "unicast": { | |
| 1907 | "neighbor": { | |
| 1908 | "r4": { | |
| 1909 | "dest_link": { | |
| 1910 | "r3": { | |
| 1911 | "local_asn": { | |
| 1912 | "local_as": "110", | |
| 1913 | "no_prepend": True, | |
| 1914 | } | |
| 1915 | } | |
| 1916 | } | |
| 1917 | } | |
| 1918 | } | |
| 1919 | } | |
| 1920 | } | |
| 1921 | }, | |
| 1922 | } | |
| 1923 | ] | |
| 1924 | } | |
| 1925 | } | |
| 1926 | result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r4) | |
| 1927 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1928 | tc_name, result | |
| 1929 | ) | |
| 1930 | ||
| 1931 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 1932 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 1933 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 1934 | BGP_CONVERGENCE | |
| 1935 | ) | |
| 1936 | ||
| 1937 | dut = "r3" | |
| 1938 | aspath = "100" | |
| 1939 | for addr_type in ADDR_TYPES: | |
| 1940 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1941 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1942 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1943 | tc_name, result | |
| 1944 | ) | |
| 1945 | ||
| 1946 | step("Configure local-as with no-prepend and replace-as at R3 towards R4") | |
| 1947 | for addr_type in ADDR_TYPES: | |
| 1948 | input_dict_no_prep_rep_as_r3_to_r4 = { | |
| 1949 | "r3": { | |
| 1950 | "bgp": [ | |
| 1951 | { | |
| 1952 | "local_as": "200", | |
| 1953 | "address_family": { | |
| 1954 | addr_type: { | |
| 1955 | "unicast": { | |
| 1956 | "neighbor": { | |
| 1957 | "r4": { | |
| 1958 | "dest_link": { | |
| 1959 | "r3": { | |
| 1960 | "local_asn": { | |
| 1961 | "local_as": "110", | |
| 1962 | "no_prepend": True, | |
| 1963 | "replace_as": True, | |
| 1964 | } | |
| 1965 | } | |
| 1966 | } | |
| 1967 | } | |
| 1968 | } | |
| 1969 | } | |
| 1970 | } | |
| 1971 | }, | |
| 1972 | } | |
| 1973 | ] | |
| 1974 | } | |
| 1975 | } | |
| 1976 | result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r4) | |
| 1977 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 1978 | tc_name, result | |
| 1979 | ) | |
| 1980 | ||
| 1981 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 1982 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 1983 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 1984 | BGP_CONVERGENCE | |
| 1985 | ) | |
| 1986 | ||
| 1987 | dut = "r4" | |
| 1988 | aspath = "110 100" | |
| 1989 | for addr_type in ADDR_TYPES: | |
| 1990 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 1991 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 1992 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 1993 | tc_name, result | |
| 1994 | ) | |
| 1995 | ||
| 1996 | write_test_footer(tc_name) | |
| 1997 | ||
| 1998 | ||
| 1999 | def test_verify_bgp_local_as_allow_as_in_iBGP_p0(request): | |
| 2000 | """ | |
| 2001 | Verify the BGP Local AS functionality with allowas-in in between iBGP Peers. | |
| 2002 | """ | |
| 2003 | tgen = get_topogen() | |
| 2004 | global BGP_CONVERGENCE | |
| 2005 | if BGP_CONVERGENCE != True: | |
| 2006 | pytest.skip("skipped because of BGP Convergence failure") | |
| 2007 | # test case name | |
| 2008 | tc_name = request.node.name | |
| 2009 | write_test_header(tc_name) | |
| 2010 | if tgen.routers_have_failure(): | |
| 2011 | check_router_status(tgen) | |
| 2012 | reset_config_on_routers(tgen) | |
| 2013 | ||
| 2014 | step("Modidy AS Number for R4") | |
| 2015 | input_dict_modify_as_number = {"r4": {"bgp": {"local_as": 100}}} | |
| 2016 | result = modify_as_number(tgen, topo, input_dict_modify_as_number) | |
| 2017 | ||
| 2018 | step("Base config is done as part of JSON") | |
| 2019 | dut = "r1" | |
| 2020 | for addr_type in ADDR_TYPES: | |
| 2021 | # Enable static routes | |
| 2022 | input_dict_static_route = { | |
| 2023 | "r1": { | |
| 2024 | "static_routes": [ | |
| 2025 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 2026 | ] | |
| 2027 | } | |
| 2028 | } | |
| 2029 | ||
| 2030 | logger.info("Configure static routes") | |
| 2031 | result = create_static_routes(tgen, input_dict_static_route) | |
| 2032 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2033 | tc_name, result | |
| 2034 | ) | |
| 2035 | ||
| 2036 | step("configure redistribute static in Router BGP in R1") | |
| 2037 | input_dict_static_route_redist = { | |
| 2038 | "r1": { | |
| 2039 | "bgp": [ | |
| 2040 | { | |
| 2041 | "address_family": { | |
| 2042 | addr_type: { | |
| 2043 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 2044 | } | |
| 2045 | } | |
| 2046 | } | |
| 2047 | ] | |
| 2048 | } | |
| 2049 | } | |
| 2050 | result = create_router_bgp(tgen, topo, input_dict_static_route_redist) | |
| 2051 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2052 | tc_name, result | |
| 2053 | ) | |
| 2054 | ||
| 2055 | step("Verify IPv4 and IPv6 static routes received on R1") | |
| 2056 | result = verify_rib(tgen, addr_type, "r1", input_dict_static_route) | |
| 2057 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 2058 | tc_name, result | |
| 2059 | ) | |
| 2060 | result = verify_bgp_rib(tgen, addr_type, "r1", input_dict_static_route) | |
| 2061 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2062 | tc_name, result | |
| 2063 | ) | |
| 2064 | result = verify_fib_routes(tgen, addr_type, "r1", input_dict_static_route) | |
| 2065 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2066 | tc_name, result | |
| 2067 | ) | |
| 2068 | ||
| 2069 | step("Configure allow-as at R4") | |
| 2070 | for addr_type in ADDR_TYPES: | |
| 2071 | allow_as_config_r4 = { | |
| 2072 | "r4": { | |
| 2073 | "bgp": [ | |
| 2074 | { | |
| 2075 | "address_family": { | |
| 2076 | addr_type: { | |
| 2077 | "unicast": { | |
| 2078 | "neighbor": { | |
| 2079 | "r3": { | |
| 2080 | "dest_link": { | |
| 2081 | "r4": { | |
| 2082 | "allowas-in": { | |
| 2083 | "number_occurences": 1 | |
| 2084 | } | |
| 2085 | } | |
| 2086 | } | |
| 2087 | } | |
| 2088 | } | |
| 2089 | } | |
| 2090 | } | |
| 2091 | } | |
| 2092 | } | |
| 2093 | ] | |
| 2094 | } | |
| 2095 | } | |
| 2096 | ||
| 2097 | step( | |
| 2098 | "Configuring allow-as for {} address-family on router R4 ".format(addr_type) | |
| 2099 | ) | |
| 2100 | result = create_router_bgp(tgen, topo, allow_as_config_r4) | |
| 2101 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2102 | tc_name, result | |
| 2103 | ) | |
| 2104 | ||
| 2105 | # now modify the as in r4 and reconfig bgp in r3 with new remote as. | |
| 2106 | topo1 = deepcopy(topo) | |
| 2107 | topo1["routers"]["r4"]["bgp"]["local_as"] = "100" | |
| 2108 | ||
| 2109 | delete_bgp = {"r3": {"bgp": {"delete": True}}} | |
| 2110 | result = create_router_bgp(tgen, topo1, delete_bgp) | |
| 2111 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 2112 | build_config_from_json(tgen, topo1, save_bkup=False) | |
| 2113 | ||
| 2114 | step("Configure local-as at R3 towards R2.") | |
| 2115 | for addr_type in ADDR_TYPES: | |
| 2116 | input_dict_r3_to_r2 = { | |
| 2117 | "r3": { | |
| 2118 | "bgp": [ | |
| 2119 | { | |
| 2120 | "local_as": "300", | |
| 2121 | "address_family": { | |
| 2122 | addr_type: { | |
| 2123 | "unicast": { | |
| 2124 | "neighbor": { | |
| 2125 | "r2": { | |
| 2126 | "dest_link": { | |
| 2127 | "r3": {"local_asn": {"local_as": "110"}} | |
| 2128 | } | |
| 2129 | } | |
| 2130 | } | |
| 2131 | } | |
| 2132 | } | |
| 2133 | }, | |
| 2134 | } | |
| 2135 | ] | |
| 2136 | } | |
| 2137 | } | |
| 2138 | result = create_router_bgp(tgen, topo1, input_dict_r3_to_r2) | |
| 2139 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2140 | tc_name, result | |
| 2141 | ) | |
| 2142 | ||
| 2143 | step("Configure local-as at R3 towards R4.") | |
| 2144 | for addr_type in ADDR_TYPES: | |
| 2145 | input_dict_r3_to_r4 = { | |
| 2146 | "r3": { | |
| 2147 | "bgp": [ | |
| 2148 | { | |
| 2149 | "local_as": "300", | |
| 2150 | "address_family": { | |
| 2151 | addr_type: { | |
| 2152 | "unicast": { | |
| 2153 | "neighbor": { | |
| 2154 | "r4": { | |
| 2155 | "dest_link": { | |
| 2156 | "r3": {"local_asn": {"local_as": "110"}} | |
| 2157 | } | |
| 2158 | } | |
| 2159 | } | |
| 2160 | } | |
| 2161 | } | |
| 2162 | }, | |
| 2163 | } | |
| 2164 | ] | |
| 2165 | } | |
| 2166 | } | |
| 2167 | result = create_router_bgp(tgen, topo1, input_dict_r3_to_r4) | |
| 2168 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2169 | tc_name, result | |
| 2170 | ) | |
| 2171 | ||
| 2172 | step("Configure remote-as at R2 towards R3.") | |
| 2173 | for addr_type in ADDR_TYPES: | |
| 2174 | input_dict_r2_to_r3 = { | |
| 2175 | "r2": { | |
| 2176 | "bgp": [ | |
| 2177 | { | |
| 2178 | "local_as": "200", | |
| 2179 | "address_family": { | |
| 2180 | addr_type: { | |
| 2181 | "unicast": { | |
| 2182 | "neighbor": { | |
| 2183 | "r3": { | |
| 2184 | "dest_link": { | |
| 2185 | "r2": { | |
| 2186 | "local_asn": {"remote_as": "110"} | |
| 2187 | } | |
| 2188 | } | |
| 2189 | } | |
| 2190 | } | |
| 2191 | } | |
| 2192 | } | |
| 2193 | }, | |
| 2194 | } | |
| 2195 | ] | |
| 2196 | } | |
| 2197 | } | |
| 2198 | result = create_router_bgp(tgen, topo1, input_dict_r2_to_r3) | |
| 2199 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2200 | tc_name, result | |
| 2201 | ) | |
| 2202 | ||
| 2203 | step("Configure remote-as at R4 towards R3.") | |
| 2204 | for addr_type in ADDR_TYPES: | |
| 2205 | input_dict_r4_to_r3 = { | |
| 2206 | "r4": { | |
| 2207 | "bgp": [ | |
| 2208 | { | |
| 2209 | "local_as": "100", | |
| 2210 | "address_family": { | |
| 2211 | addr_type: { | |
| 2212 | "unicast": { | |
| 2213 | "neighbor": { | |
| 2214 | "r3": { | |
| 2215 | "dest_link": { | |
| 2216 | "r4": { | |
| 2217 | "local_asn": {"remote_as": "110"} | |
| 2218 | } | |
| 2219 | } | |
| 2220 | } | |
| 2221 | } | |
| 2222 | } | |
| 2223 | } | |
| 2224 | }, | |
| 2225 | } | |
| 2226 | ] | |
| 2227 | } | |
| 2228 | } | |
| 2229 | result = create_router_bgp(tgen, topo1, input_dict_r4_to_r3) | |
| 2230 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2231 | tc_name, result | |
| 2232 | ) | |
| 2233 | ||
| 2234 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 2235 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo1) | |
| 2236 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 2237 | BGP_CONVERGENCE | |
| 2238 | ) | |
| 2239 | ||
| 2240 | step("Verify IPv4 and IPv6 static routes received on R3 & R4") | |
| 2241 | for addr_type in ADDR_TYPES: | |
| 2242 | static_routes_input = { | |
| 2243 | "r1": { | |
| 2244 | "static_routes": [ | |
| 2245 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 2246 | ] | |
| 2247 | } | |
| 2248 | } | |
| 2249 | for dut in ["r3", "r4"]: | |
| 2250 | result = verify_fib_routes(tgen, addr_type, dut, static_routes_input) | |
| 2251 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2252 | tc_name, result | |
| 2253 | ) | |
| 2254 | ||
| 2255 | result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input) | |
| 2256 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2257 | tc_name, result | |
| 2258 | ) | |
| 2259 | ||
| 2260 | step( | |
| 2261 | "Verify that AS-110 is got added in the AS list 110 200 100 by following " | |
| 2262 | " commands at R3 router." | |
| 2263 | ) | |
| 2264 | dut = "r3" | |
| 2265 | aspath = "110 200 100" | |
| 2266 | for addr_type in ADDR_TYPES: | |
| 2267 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 2268 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 2269 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2270 | tc_name, result | |
| 2271 | ) | |
| 2272 | ||
| 2273 | step("Configure local-as with no-prepend at R3 towards R2.") | |
| 2274 | for addr_type in ADDR_TYPES: | |
| 2275 | input_dict_no_prep_r3_to_r2 = { | |
| 2276 | "r3": { | |
| 2277 | "bgp": [ | |
| 2278 | { | |
| 2279 | "local_as": "300", | |
| 2280 | "address_family": { | |
| 2281 | addr_type: { | |
| 2282 | "unicast": { | |
| 2283 | "neighbor": { | |
| 2284 | "r2": { | |
| 2285 | "dest_link": { | |
| 2286 | "r3": { | |
| 2287 | "local_asn": { | |
| 2288 | "local_as": "110", | |
| 2289 | "no_prepend": True, | |
| 2290 | } | |
| 2291 | } | |
| 2292 | } | |
| 2293 | } | |
| 2294 | } | |
| 2295 | } | |
| 2296 | } | |
| 2297 | }, | |
| 2298 | } | |
| 2299 | ] | |
| 2300 | } | |
| 2301 | } | |
| 2302 | result = create_router_bgp(tgen, topo1, input_dict_no_prep_r3_to_r2) | |
| 2303 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2304 | tc_name, result | |
| 2305 | ) | |
| 2306 | ||
| 2307 | step("Configure local-as with no-prepend at R3 towards R4.") | |
| 2308 | for addr_type in ADDR_TYPES: | |
| 2309 | input_dict_no_prep_r3_to_r4 = { | |
| 2310 | "r3": { | |
| 2311 | "bgp": [ | |
| 2312 | { | |
| 2313 | "local_as": "300", | |
| 2314 | "address_family": { | |
| 2315 | addr_type: { | |
| 2316 | "unicast": { | |
| 2317 | "neighbor": { | |
| 2318 | "r4": { | |
| 2319 | "dest_link": { | |
| 2320 | "r3": { | |
| 2321 | "local_asn": { | |
| 2322 | "local_as": "110", | |
| 2323 | "no_prepend": True, | |
| 2324 | } | |
| 2325 | } | |
| 2326 | } | |
| 2327 | } | |
| 2328 | } | |
| 2329 | } | |
| 2330 | } | |
| 2331 | }, | |
| 2332 | } | |
| 2333 | ] | |
| 2334 | } | |
| 2335 | } | |
| 2336 | result = create_router_bgp(tgen, topo1, input_dict_no_prep_r3_to_r4) | |
| 2337 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2338 | tc_name, result | |
| 2339 | ) | |
| 2340 | ||
| 2341 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 2342 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo1) | |
| 2343 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 2344 | BGP_CONVERGENCE | |
| 2345 | ) | |
| 2346 | ||
| 2347 | dut = "r3" | |
| 2348 | aspath = "200 100" | |
| 2349 | for addr_type in ADDR_TYPES: | |
| 2350 | input_static_r1 = {"r2": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 2351 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 2352 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2353 | tc_name, result | |
| 2354 | ) | |
| 2355 | ||
| 2356 | step("Configure local-as with no-prepend and replace-as at R3 towards R2") | |
| 2357 | for addr_type in ADDR_TYPES: | |
| 2358 | input_dict_no_prep_rep_as_r3_to_r2 = { | |
| 2359 | "r3": { | |
| 2360 | "bgp": [ | |
| 2361 | { | |
| 2362 | "local_as": "300", | |
| 2363 | "address_family": { | |
| 2364 | addr_type: { | |
| 2365 | "unicast": { | |
| 2366 | "neighbor": { | |
| 2367 | "r2": { | |
| 2368 | "dest_link": { | |
| 2369 | "r3": { | |
| 2370 | "local_asn": { | |
| 2371 | "local_as": "110", | |
| 2372 | "no_prepend": True, | |
| 2373 | "replace_as": True, | |
| 2374 | } | |
| 2375 | } | |
| 2376 | } | |
| 2377 | } | |
| 2378 | } | |
| 2379 | } | |
| 2380 | } | |
| 2381 | }, | |
| 2382 | } | |
| 2383 | ] | |
| 2384 | } | |
| 2385 | } | |
| 2386 | result = create_router_bgp(tgen, topo1, input_dict_no_prep_rep_as_r3_to_r2) | |
| 2387 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2388 | tc_name, result | |
| 2389 | ) | |
| 2390 | ||
| 2391 | step("Configure local-as with no-prepend and replace-as at R3 towards R4") | |
| 2392 | for addr_type in ADDR_TYPES: | |
| 2393 | input_dict_no_prep_rep_as_r3_to_r4 = { | |
| 2394 | "r3": { | |
| 2395 | "bgp": [ | |
| 2396 | { | |
| 2397 | "local_as": "300", | |
| 2398 | "address_family": { | |
| 2399 | addr_type: { | |
| 2400 | "unicast": { | |
| 2401 | "neighbor": { | |
| 2402 | "r4": { | |
| 2403 | "dest_link": { | |
| 2404 | "r3": { | |
| 2405 | "local_asn": { | |
| 2406 | "local_as": "110", | |
| 2407 | "no_prepend": True, | |
| 2408 | "replace_as": True, | |
| 2409 | } | |
| 2410 | } | |
| 2411 | } | |
| 2412 | } | |
| 2413 | } | |
| 2414 | } | |
| 2415 | } | |
| 2416 | }, | |
| 2417 | } | |
| 2418 | ] | |
| 2419 | } | |
| 2420 | } | |
| 2421 | result = create_router_bgp(tgen, topo1, input_dict_no_prep_rep_as_r3_to_r4) | |
| 2422 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2423 | tc_name, result | |
| 2424 | ) | |
| 2425 | ||
| 2426 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 2427 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo1) | |
| 2428 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 2429 | BGP_CONVERGENCE | |
| 2430 | ) | |
| 2431 | ||
| 2432 | dut = "r4" | |
| 2433 | aspath = "110 200 100" | |
| 2434 | for addr_type in ADDR_TYPES: | |
| 2435 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 2436 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 2437 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2438 | tc_name, result | |
| 2439 | ) | |
| 2440 | ||
| 2441 | write_test_footer(tc_name) | |
| 2442 | ||
| 2443 | ||
| 2444 | def test_verify_bgp_local_as_in_EBGP_port_reset_p0(request): | |
| 2445 | """ | |
| 2446 | Verify that BGP Local AS functionality by performing shut/ noshut on the interfaces in between BGP neighbors. | |
| 2447 | """ | |
| 2448 | tgen = get_topogen() | |
| 2449 | global BGP_CONVERGENCE | |
| 2450 | if BGP_CONVERGENCE != True: | |
| 2451 | pytest.skip("skipped because of BGP Convergence failure") | |
| 2452 | ||
| 2453 | # test case name | |
| 2454 | tc_name = request.node.name | |
| 2455 | write_test_header(tc_name) | |
| 2456 | if tgen.routers_have_failure(): | |
| 2457 | check_router_status(tgen) | |
| 2458 | reset_config_on_routers(tgen) | |
| 2459 | ||
| 2460 | step("Base config is done as part of JSON") | |
| 2461 | step("Configure local-as at R3 towards R4.") | |
| 2462 | for addr_type in ADDR_TYPES: | |
| 2463 | for neighbor in ["r2", "r4"]: | |
| 2464 | input_dict_r3 = { | |
| 2465 | "r3": { | |
| 2466 | "bgp": { | |
| 2467 | "local_as": "300", | |
| 2468 | "address_family": { | |
| 2469 | addr_type: { | |
| 2470 | "unicast": { | |
| 2471 | "neighbor": { | |
| 2472 | neighbor: { | |
| 2473 | "dest_link": { | |
| 2474 | "r3": {"local_asn": {"local_as": "110"}} | |
| 2475 | } | |
| 2476 | } | |
| 2477 | } | |
| 2478 | } | |
| 2479 | } | |
| 2480 | }, | |
| 2481 | } | |
| 2482 | } | |
| 2483 | } | |
| 2484 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 2485 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2486 | tc_name, result | |
| 2487 | ) | |
| 2488 | ||
| 2489 | for addr_type in ADDR_TYPES: | |
| 2490 | for dut, asn, neighbor in zip(["r2", "r4"], ["200", "400"], ["r3", "r3"]): | |
| 2491 | input_dict_r2_r4 = { | |
| 2492 | dut: { | |
| 2493 | "bgp": { | |
| 2494 | "local_as": asn, | |
| 2495 | "address_family": { | |
| 2496 | addr_type: { | |
| 2497 | "unicast": { | |
| 2498 | "neighbor": { | |
| 2499 | neighbor: { | |
| 2500 | "dest_link": { | |
| 2501 | dut: {"local_asn": {"remote_as": "110"}} | |
| 2502 | } | |
| 2503 | } | |
| 2504 | } | |
| 2505 | } | |
| 2506 | } | |
| 2507 | }, | |
| 2508 | } | |
| 2509 | } | |
| 2510 | } | |
| 2511 | result = create_router_bgp(tgen, topo, input_dict_r2_r4) | |
| 2512 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2513 | tc_name, result | |
| 2514 | ) | |
| 2515 | ||
| 2516 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 2517 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 2518 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 2519 | BGP_CONVERGENCE | |
| 2520 | ) | |
| 2521 | ||
| 2522 | # configure static routes | |
| 2523 | step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-100).") | |
| 2524 | step( | |
| 2525 | "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100)." | |
| 2526 | ) | |
| 2527 | step("Verify that Static routes are redistributed in BGP process") | |
| 2528 | dut = "r1" | |
| 2529 | protocol = "bgp" | |
| 2530 | for addr_type in ADDR_TYPES: | |
| 2531 | # Enable static routes | |
| 2532 | input_static_r1 = { | |
| 2533 | "r1": { | |
| 2534 | "static_routes": [ | |
| 2535 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 2536 | ] | |
| 2537 | } | |
| 2538 | } | |
| 2539 | ||
| 2540 | logger.info("Configure static routes") | |
| 2541 | result = create_static_routes(tgen, input_static_r1) | |
| 2542 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2543 | tc_name, result | |
| 2544 | ) | |
| 2545 | ||
| 2546 | step("configure redistribute static in Router BGP in R1") | |
| 2547 | input_static_redist_r1 = { | |
| 2548 | "r1": { | |
| 2549 | "bgp": { | |
| 2550 | "address_family": { | |
| 2551 | addr_type: { | |
| 2552 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 2553 | } | |
| 2554 | } | |
| 2555 | } | |
| 2556 | } | |
| 2557 | } | |
| 2558 | result = create_router_bgp(tgen, topo, input_static_redist_r1) | |
| 2559 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2560 | tc_name, result | |
| 2561 | ) | |
| 2562 | ||
| 2563 | step("Verify that Static routes are redistributed in BGP process") | |
| 2564 | for addr_type in ADDR_TYPES: | |
| 2565 | input_static_verify_r1 = { | |
| 2566 | "r1": {"static_routes": [{"network": NETWORK[addr_type]}]} | |
| 2567 | } | |
| 2568 | ||
| 2569 | result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1) | |
| 2570 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 2571 | tc_name, result | |
| 2572 | ) | |
| 2573 | ||
| 2574 | for dut in ["r3", "r4"]: | |
| 2575 | result = verify_rib(tgen, addr_type, dut, input_static_r1) | |
| 2576 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 2577 | tc_name, result | |
| 2578 | ) | |
| 2579 | ||
| 2580 | for dut, input_routes in zip(["r1"], [input_static_r1]): | |
| 2581 | result = verify_rib(tgen, addr_type, dut, input_routes) | |
| 2582 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 2583 | tc_name, result | |
| 2584 | ) | |
| 2585 | ||
| 2586 | step("Api call to modfiy BGP timers at R3") | |
| 2587 | for addr_type in ADDR_TYPES: | |
| 2588 | input_dict_r3_timers = { | |
| 2589 | "r3": { | |
| 2590 | "bgp": { | |
| 2591 | "local_as": "300", | |
| 2592 | "address_family": { | |
| 2593 | addr_type: { | |
| 2594 | "unicast": { | |
| 2595 | "neighbor": { | |
| 2596 | "r4": { | |
| 2597 | "dest_link": { | |
| 2598 | "r3": { | |
| 2599 | "keepalivetimer": KEEPALIVETIMER, | |
| 2600 | "holddowntimer": HOLDDOWNTIMER, | |
| 2601 | } | |
| 2602 | } | |
| 2603 | } | |
| 2604 | } | |
| 2605 | } | |
| 2606 | } | |
| 2607 | }, | |
| 2608 | } | |
| 2609 | } | |
| 2610 | } | |
| 2611 | result = create_router_bgp(tgen, topo, input_dict_r3_timers) | |
| 2612 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2613 | tc_name, result | |
| 2614 | ) | |
| 2615 | ||
| 2616 | step( | |
| 2617 | "Verify that AS-110 is got added in the AS list 110 200 100 by following" | |
| 2618 | "commands at R3 router." | |
| 2619 | ) | |
| 2620 | dut = "r3" | |
| 2621 | aspath = "110 200 100" | |
| 2622 | for addr_type in ADDR_TYPES: | |
| 2623 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 2624 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 2625 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2626 | tc_name, result | |
| 2627 | ) | |
| 2628 | ||
| 2629 | step("Verify advertised routes at R3 towards R4") | |
| 2630 | expected_routes = { | |
| 2631 | "ipv4": [ | |
| 2632 | {"network": "10.1.1.0/32", "nexthop": ""}, | |
| 2633 | ], | |
| 2634 | "ipv6": [ | |
| 2635 | {"network": "10:1::1:0/128", "nexthop": ""}, | |
| 2636 | ], | |
| 2637 | } | |
| 2638 | result = verify_bgp_advertised_routes_from_neighbor( | |
| 2639 | tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes | |
| 2640 | ) | |
| 2641 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 2642 | ||
| 2643 | for count in range(1, 1): | |
| 2644 | step("Iteration {}".format(count)) | |
| 2645 | step("Shut down connecting interface between R3<<>>R4 on R3.") | |
| 2646 | ||
| 2647 | intf1 = topo["routers"]["r3"]["links"]["r4"]["interface"] | |
| 2648 | ||
| 2649 | interfaces = [intf1] | |
| 2650 | for intf in interfaces: | |
| 2651 | shutdown_bringup_interface(tgen, "r3", intf, False) | |
| 2652 | ||
| 2653 | step( | |
| 2654 | "On R3, all BGP peering in respective vrf instances go down" | |
| 2655 | " when the interface is shut" | |
| 2656 | ) | |
| 2657 | ||
| 2658 | result = verify_bgp_convergence(tgen, topo, expected=False) | |
| 2659 | assert result is not True, ( | |
| 2660 | "Testcase {} :Failed \n " | |
| 2661 | "Expected Behaviour: BGP will not be converged \n " | |
| 2662 | "Error {}".format(tc_name, result) | |
| 2663 | ) | |
| 2664 | ||
| 2665 | step("BGP neighborship is verified after restart of r3") | |
| 2666 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 2667 | assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error: {}".format( | |
| 2668 | BGP_CONVERGENCE | |
| 2669 | ) | |
| 2670 | ||
| 2671 | step( | |
| 2672 | "Verify that AS-110 is got added in the AS list 110 200 100 by following" | |
| 2673 | "commands at R3 router." | |
| 2674 | ) | |
| 2675 | dut = "r3" | |
| 2676 | aspath = "110 200 100" | |
| 2677 | for addr_type in ADDR_TYPES: | |
| 2678 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 2679 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 2680 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2681 | tc_name, result | |
| 2682 | ) | |
| 2683 | ||
| 2684 | step("Configure local-as with no-prepend at R3 towards R4 & R2.") | |
| 2685 | for addr_type in ADDR_TYPES: | |
| 2686 | for neighbor in ["r2", "r4"]: | |
| 2687 | input_dict_r3 = { | |
| 2688 | "r3": { | |
| 2689 | "bgp": { | |
| 2690 | "local_as": "300", | |
| 2691 | "address_family": { | |
| 2692 | addr_type: { | |
| 2693 | "unicast": { | |
| 2694 | "neighbor": { | |
| 2695 | neighbor: { | |
| 2696 | "dest_link": { | |
| 2697 | "r3": { | |
| 2698 | "local_asn": { | |
| 2699 | "local_as": "110", | |
| 2700 | "no_prepend": True, | |
| 2701 | } | |
| 2702 | } | |
| 2703 | } | |
| 2704 | } | |
| 2705 | } | |
| 2706 | } | |
| 2707 | } | |
| 2708 | }, | |
| 2709 | } | |
| 2710 | } | |
| 2711 | } | |
| 2712 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 2713 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2714 | tc_name, result | |
| 2715 | ) | |
| 2716 | ||
| 2717 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 2718 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 2719 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 2720 | BGP_CONVERGENCE | |
| 2721 | ) | |
| 2722 | ||
| 2723 | dut = "r3" | |
| 2724 | aspath = "200 100" | |
| 2725 | for addr_type in ADDR_TYPES: | |
| 2726 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 2727 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 2728 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2729 | tc_name, result | |
| 2730 | ) | |
| 2731 | ||
| 2732 | step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.") | |
| 2733 | for addr_type in ADDR_TYPES: | |
| 2734 | for neighbor in ["r2", "r4"]: | |
| 2735 | input_dict_r3 = { | |
| 2736 | "r3": { | |
| 2737 | "bgp": { | |
| 2738 | "local_as": "300", | |
| 2739 | "address_family": { | |
| 2740 | addr_type: { | |
| 2741 | "unicast": { | |
| 2742 | "neighbor": { | |
| 2743 | neighbor: { | |
| 2744 | "dest_link": { | |
| 2745 | "r3": { | |
| 2746 | "local_asn": { | |
| 2747 | "local_as": "110", | |
| 2748 | "no_prepend": True, | |
| 2749 | "replace_as": True, | |
| 2750 | } | |
| 2751 | } | |
| 2752 | } | |
| 2753 | } | |
| 2754 | } | |
| 2755 | } | |
| 2756 | } | |
| 2757 | }, | |
| 2758 | } | |
| 2759 | } | |
| 2760 | } | |
| 2761 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 2762 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2763 | tc_name, result | |
| 2764 | ) | |
| 2765 | ||
| 2766 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 2767 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 2768 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 2769 | BGP_CONVERGENCE | |
| 2770 | ) | |
| 2771 | ||
| 2772 | dut = "r4" | |
| 2773 | aspath = "110 200 100" | |
| 2774 | for addr_type in ADDR_TYPES: | |
| 2775 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 2776 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 2777 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2778 | tc_name, result | |
| 2779 | ) | |
| 2780 | ||
| 2781 | write_test_footer(tc_name) | |
| 2782 | ||
| 2783 | ||
| 2784 | def test_verify_bgp_local_as_in_EBGP_negative2_p0(request): | |
| 2785 | """ | |
| 2786 | Verify the BGP Local AS functionality with different AS configurations. | |
| 2787 | """ | |
| 2788 | tgen = get_topogen() | |
| 2789 | global BGP_CONVERGENCE | |
| 2790 | if BGP_CONVERGENCE != True: | |
| 2791 | pytest.skip("skipped because of BGP Convergence failure") | |
| 2792 | ||
| 2793 | # test case name | |
| 2794 | tc_name = request.node.name | |
| 2795 | write_test_header(tc_name) | |
| 2796 | if tgen.routers_have_failure(): | |
| 2797 | check_router_status(tgen) | |
| 2798 | reset_config_on_routers(tgen) | |
| 2799 | ||
| 2800 | step("Base config is done as part of JSON") | |
| 2801 | step("Configure local-as at R3 towards R4.") | |
| 2802 | for addr_type in ADDR_TYPES: | |
| 2803 | for neighbor in ["r2", "r4"]: | |
| 2804 | input_dict_r3 = { | |
| 2805 | "r3": { | |
| 2806 | "bgp": { | |
| 2807 | "local_as": "300", | |
| 2808 | "address_family": { | |
| 2809 | addr_type: { | |
| 2810 | "unicast": { | |
| 2811 | "neighbor": { | |
| 2812 | neighbor: { | |
| 2813 | "dest_link": { | |
| 2814 | "r3": {"local_asn": {"local_as": "110"}} | |
| 2815 | } | |
| 2816 | } | |
| 2817 | } | |
| 2818 | } | |
| 2819 | } | |
| 2820 | }, | |
| 2821 | } | |
| 2822 | } | |
| 2823 | } | |
| 2824 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 2825 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2826 | tc_name, result | |
| 2827 | ) | |
| 2828 | ||
| 2829 | for addr_type in ADDR_TYPES: | |
| 2830 | for dut, asn, neighbor in zip(["r2", "r4"], ["200", "400"], ["r3", "r3"]): | |
| 2831 | input_dict_r2_r4 = { | |
| 2832 | dut: { | |
| 2833 | "bgp": { | |
| 2834 | "local_as": asn, | |
| 2835 | "address_family": { | |
| 2836 | addr_type: { | |
| 2837 | "unicast": { | |
| 2838 | "neighbor": { | |
| 2839 | neighbor: { | |
| 2840 | "dest_link": { | |
| 2841 | dut: {"local_asn": {"remote_as": "110"}} | |
| 2842 | } | |
| 2843 | } | |
| 2844 | } | |
| 2845 | } | |
| 2846 | } | |
| 2847 | }, | |
| 2848 | } | |
| 2849 | } | |
| 2850 | } | |
| 2851 | result = create_router_bgp(tgen, topo, input_dict_r2_r4) | |
| 2852 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2853 | tc_name, result | |
| 2854 | ) | |
| 2855 | ||
| 2856 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 2857 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 2858 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 2859 | BGP_CONVERGENCE | |
| 2860 | ) | |
| 2861 | ||
| 2862 | # configure static routes | |
| 2863 | step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-100).") | |
| 2864 | step( | |
| 2865 | "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100)." | |
| 2866 | ) | |
| 2867 | step("Verify that Static routes are redistributed in BGP process") | |
| 2868 | ||
| 2869 | dut = "r1" | |
| 2870 | protocol = "bgp" | |
| 2871 | for addr_type in ADDR_TYPES: | |
| 2872 | # Enable static routes | |
| 2873 | input_static_r1 = { | |
| 2874 | "r1": { | |
| 2875 | "static_routes": [ | |
| 2876 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 2877 | ] | |
| 2878 | } | |
| 2879 | } | |
| 2880 | ||
| 2881 | logger.info("Configure static routes") | |
| 2882 | result = create_static_routes(tgen, input_static_r1) | |
| 2883 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2884 | tc_name, result | |
| 2885 | ) | |
| 2886 | ||
| 2887 | step("configure redistribute static in Router BGP in R1") | |
| 2888 | ||
| 2889 | input_static_redist_r1 = { | |
| 2890 | "r1": { | |
| 2891 | "bgp": { | |
| 2892 | "address_family": { | |
| 2893 | addr_type: { | |
| 2894 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 2895 | } | |
| 2896 | } | |
| 2897 | } | |
| 2898 | } | |
| 2899 | } | |
| 2900 | result = create_router_bgp(tgen, topo, input_static_redist_r1) | |
| 2901 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2902 | tc_name, result | |
| 2903 | ) | |
| 2904 | ||
| 2905 | step("Verify that Static routes are redistributed in BGP process") | |
| 2906 | for addr_type in ADDR_TYPES: | |
| 2907 | input_static_verify_r1 = { | |
| 2908 | "r1": {"static_routes": [{"network": NETWORK[addr_type]}]} | |
| 2909 | } | |
| 2910 | ||
| 2911 | result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1) | |
| 2912 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 2913 | tc_name, result | |
| 2914 | ) | |
| 2915 | ||
| 2916 | for dut in ["r3", "r4"]: | |
| 2917 | result = verify_rib(tgen, addr_type, dut, input_static_r1) | |
| 2918 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 2919 | tc_name, result | |
| 2920 | ) | |
| 2921 | ||
| 2922 | for dut, input_routes in zip(["r1"], [input_static_r1]): | |
| 2923 | result = verify_rib(tgen, addr_type, dut, input_routes) | |
| 2924 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 2925 | tc_name, result | |
| 2926 | ) | |
| 2927 | ||
| 2928 | step( | |
| 2929 | "Verify that AS-110 is got added in the AS list 110 200 100 by following" | |
| 2930 | "commands at R3 router." | |
| 2931 | ) | |
| 2932 | dut = "r3" | |
| 2933 | aspath = "110 200 100" | |
| 2934 | for addr_type in ADDR_TYPES: | |
| 2935 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 2936 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 2937 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 2938 | tc_name, result | |
| 2939 | ) | |
| 2940 | ||
| 2941 | step("Configure local-as with no-prepend at R3 towards R4 & R2.") | |
| 2942 | for addr_type in ADDR_TYPES: | |
| 2943 | for neighbor in ["r2", "r4"]: | |
| 2944 | input_dict_r3 = { | |
| 2945 | "r3": { | |
| 2946 | "bgp": { | |
| 2947 | "local_as": "300", | |
| 2948 | "address_family": { | |
| 2949 | addr_type: { | |
| 2950 | "unicast": { | |
| 2951 | "neighbor": { | |
| 2952 | neighbor: { | |
| 2953 | "dest_link": { | |
| 2954 | "r3": { | |
| 2955 | "local_asn": { | |
| 2956 | "local_as": "110", | |
| 2957 | "no_prepend": True, | |
| 2958 | } | |
| 2959 | } | |
| 2960 | } | |
| 2961 | } | |
| 2962 | } | |
| 2963 | } | |
| 2964 | } | |
| 2965 | }, | |
| 2966 | } | |
| 2967 | } | |
| 2968 | } | |
| 2969 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 2970 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 2971 | tc_name, result | |
| 2972 | ) | |
| 2973 | ||
| 2974 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 2975 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 2976 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 2977 | BGP_CONVERGENCE | |
| 2978 | ) | |
| 2979 | ||
| 2980 | step("Verify advertised routes to R4 at R3") | |
| 2981 | expected_routes = { | |
| 2982 | "ipv4": [ | |
| 2983 | {"network": "10.1.1.0/32", "nexthop": ""}, | |
| 2984 | ], | |
| 2985 | "ipv6": [ | |
| 2986 | {"network": "10:1::1:0/128", "nexthop": ""}, | |
| 2987 | ], | |
| 2988 | } | |
| 2989 | result = verify_bgp_advertised_routes_from_neighbor( | |
| 2990 | tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes | |
| 2991 | ) | |
| 2992 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 2993 | ||
| 2994 | step( | |
| 2995 | "Verify that AS-110 is not prepended in the AS list 110 200 100 by following" | |
| 2996 | "commands at R3 router." | |
| 2997 | ) | |
| 2998 | dut = "r3" | |
| 2999 | aspath = "200 100" | |
| 3000 | for addr_type in ADDR_TYPES: | |
| 3001 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3002 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3003 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3004 | tc_name, result | |
| 3005 | ) | |
| 3006 | ||
| 3007 | step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.") | |
| 3008 | for addr_type in ADDR_TYPES: | |
| 3009 | for neighbor in ["r2", "r4"]: | |
| 3010 | input_dict_r3 = { | |
| 3011 | "r3": { | |
| 3012 | "bgp": { | |
| 3013 | "local_as": "300", | |
| 3014 | "address_family": { | |
| 3015 | addr_type: { | |
| 3016 | "unicast": { | |
| 3017 | "neighbor": { | |
| 3018 | neighbor: { | |
| 3019 | "dest_link": { | |
| 3020 | "r3": { | |
| 3021 | "local_asn": { | |
| 3022 | "local_as": "110", | |
| 3023 | "no_prepend": True, | |
| 3024 | "replace_as": True, | |
| 3025 | } | |
| 3026 | } | |
| 3027 | } | |
| 3028 | } | |
| 3029 | } | |
| 3030 | } | |
| 3031 | } | |
| 3032 | }, | |
| 3033 | } | |
| 3034 | } | |
| 3035 | } | |
| 3036 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 3037 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 3038 | tc_name, result | |
| 3039 | ) | |
| 3040 | ||
| 3041 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 3042 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 3043 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 3044 | BGP_CONVERGENCE | |
| 3045 | ) | |
| 3046 | step("Verify that AS-300 is replaced with AS-110 at R3 router.") | |
| 3047 | dut = "r4" | |
| 3048 | aspath = "110 200 100" | |
| 3049 | for addr_type in ADDR_TYPES: | |
| 3050 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3051 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3052 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3053 | tc_name, result | |
| 3054 | ) | |
| 3055 | ||
| 3056 | # configure negative scenarios | |
| 3057 | step("Configure local-as at R3 towards R4.") | |
| 3058 | input_dict_r3 = { | |
| 3059 | "r3": { | |
| 3060 | "bgp": { | |
| 3061 | "local_as": "300", | |
| 3062 | "address_family": { | |
| 3063 | "ipv4": { | |
| 3064 | "unicast": { | |
| 3065 | "neighbor": { | |
| 3066 | "r4": { | |
| 3067 | "dest_link": { | |
| 3068 | "r3": {"local_asn": {"local_as": "300"}} | |
| 3069 | } | |
| 3070 | } | |
| 3071 | } | |
| 3072 | } | |
| 3073 | } | |
| 3074 | }, | |
| 3075 | } | |
| 3076 | } | |
| 3077 | } | |
| 3078 | if "bgp" in topo["routers"]["r3"].keys(): | |
| 3079 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 3080 | assert result is not True, ( | |
| 3081 | "Testcase {} :Failed \n " | |
| 3082 | "Expected Behaviour: Cannot have local-as same as BGP AS number \n " | |
| 3083 | "Error {}".format(tc_name, result) | |
| 3084 | ) | |
| 3085 | ||
| 3086 | step("Configure another local-as at R3 towards R4.") | |
| 3087 | input_dict_r3 = { | |
| 3088 | "r3": { | |
| 3089 | "bgp": { | |
| 3090 | "local_as": "110", | |
| 3091 | "address_family": { | |
| 3092 | "ipv4": { | |
| 3093 | "unicast": { | |
| 3094 | "neighbor": { | |
| 3095 | "r4": { | |
| 3096 | "dest_link": { | |
| 3097 | "r3": {"local_asn": {"local_as": "110"}} | |
| 3098 | } | |
| 3099 | } | |
| 3100 | } | |
| 3101 | } | |
| 3102 | } | |
| 3103 | }, | |
| 3104 | } | |
| 3105 | } | |
| 3106 | } | |
| 3107 | if "bgp" in topo["routers"]["r3"].keys(): | |
| 3108 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 3109 | assert result is not True, ( | |
| 3110 | "Testcase {} :Failed \n " | |
| 3111 | "Expected Behaviour: Cannot have local-as same as BGP AS number \n " | |
| 3112 | "Error {}".format(tc_name, result) | |
| 3113 | ) | |
| 3114 | ||
| 3115 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 3116 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 3117 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 3118 | BGP_CONVERGENCE | |
| 3119 | ) | |
| 3120 | ||
| 3121 | write_test_footer(tc_name) | |
| 3122 | ||
| 3123 | ||
| 3124 | def test_verify_bgp_local_as_in_EBGP_negative3_p0(request): | |
| 3125 | """ | |
| 3126 | Verify the BGP Local AS functionality with R3& R4 with different AS configurations. | |
| 3127 | """ | |
| 3128 | tgen = get_topogen() | |
| 3129 | global BGP_CONVERGENCE | |
| 3130 | ||
| 3131 | if BGP_CONVERGENCE != True: | |
| 3132 | pytest.skip("skipped because of BGP Convergence failure") | |
| 3133 | # test case name | |
| 3134 | tc_name = request.node.name | |
| 3135 | write_test_header(tc_name) | |
| 3136 | if tgen.routers_have_failure(): | |
| 3137 | check_router_status(tgen) | |
| 3138 | reset_config_on_routers(tgen) | |
| 3139 | ||
| 3140 | step("Configure basic BGP Peerings between R1,R2,R3 and R4") | |
| 3141 | step("Configure local-as at R3 towards R4.") | |
| 3142 | for addr_type in ADDR_TYPES: | |
| 3143 | for neighbor in ["r2", "r4"]: | |
| 3144 | input_dict_r3 = { | |
| 3145 | "r3": { | |
| 3146 | "bgp": { | |
| 3147 | "local_as": "300", | |
| 3148 | "address_family": { | |
| 3149 | addr_type: { | |
| 3150 | "unicast": { | |
| 3151 | "neighbor": { | |
| 3152 | neighbor: { | |
| 3153 | "dest_link": { | |
| 3154 | "r3": {"local_asn": {"local_as": "110"}} | |
| 3155 | } | |
| 3156 | } | |
| 3157 | } | |
| 3158 | } | |
| 3159 | } | |
| 3160 | }, | |
| 3161 | } | |
| 3162 | } | |
| 3163 | } | |
| 3164 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 3165 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 3166 | tc_name, result | |
| 3167 | ) | |
| 3168 | ||
| 3169 | for addr_type in ADDR_TYPES: | |
| 3170 | for dut, asn, neighbor in zip(["r2", "r4"], ["200", "400"], ["r3", "r3"]): | |
| 3171 | input_dict_r2_r4 = { | |
| 3172 | dut: { | |
| 3173 | "bgp": { | |
| 3174 | "local_as": asn, | |
| 3175 | "address_family": { | |
| 3176 | addr_type: { | |
| 3177 | "unicast": { | |
| 3178 | "neighbor": { | |
| 3179 | neighbor: { | |
| 3180 | "dest_link": { | |
| 3181 | dut: {"local_asn": {"remote_as": "110"}} | |
| 3182 | } | |
| 3183 | } | |
| 3184 | } | |
| 3185 | } | |
| 3186 | } | |
| 3187 | }, | |
| 3188 | } | |
| 3189 | } | |
| 3190 | } | |
| 3191 | result = create_router_bgp(tgen, topo, input_dict_r2_r4) | |
| 3192 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 3193 | tc_name, result | |
| 3194 | ) | |
| 3195 | ||
| 3196 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 3197 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 3198 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 3199 | BGP_CONVERGENCE | |
| 3200 | ) | |
| 3201 | ||
| 3202 | # configure static routes | |
| 3203 | step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-100).") | |
| 3204 | step( | |
| 3205 | "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100)." | |
| 3206 | ) | |
| 3207 | step("Verify that Static routes are redistributed in BGP process") | |
| 3208 | ||
| 3209 | dut = "r1" | |
| 3210 | protocol = "bgp" | |
| 3211 | for addr_type in ADDR_TYPES: | |
| 3212 | # Enable static routes | |
| 3213 | input_static_r1 = { | |
| 3214 | "r1": { | |
| 3215 | "static_routes": [ | |
| 3216 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 3217 | ] | |
| 3218 | } | |
| 3219 | } | |
| 3220 | ||
| 3221 | logger.info("Configure static routes") | |
| 3222 | result = create_static_routes(tgen, input_static_r1) | |
| 3223 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3224 | tc_name, result | |
| 3225 | ) | |
| 3226 | ||
| 3227 | step("configure redistribute static in Router BGP in R1") | |
| 3228 | ||
| 3229 | input_static_redist_r1 = { | |
| 3230 | "r1": { | |
| 3231 | "bgp": { | |
| 3232 | "address_family": { | |
| 3233 | addr_type: { | |
| 3234 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 3235 | } | |
| 3236 | } | |
| 3237 | } | |
| 3238 | } | |
| 3239 | } | |
| 3240 | result = create_router_bgp(tgen, topo, input_static_redist_r1) | |
| 3241 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3242 | tc_name, result | |
| 3243 | ) | |
| 3244 | ||
| 3245 | step("Verify that Static routes are redistributed in BGP process") | |
| 3246 | for addr_type in ADDR_TYPES: | |
| 3247 | input_static_verify_r1 = { | |
| 3248 | "r1": {"static_routes": [{"network": NETWORK[addr_type]}]} | |
| 3249 | } | |
| 3250 | ||
| 3251 | result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1) | |
| 3252 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 3253 | tc_name, result | |
| 3254 | ) | |
| 3255 | ||
| 3256 | for dut in ["r3", "r4"]: | |
| 3257 | result = verify_rib(tgen, addr_type, dut, input_static_r1) | |
| 3258 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 3259 | tc_name, result | |
| 3260 | ) | |
| 3261 | ||
| 3262 | for dut, input_routes in zip(["r1"], [input_static_r1]): | |
| 3263 | result = verify_rib(tgen, addr_type, dut, input_routes) | |
| 3264 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 3265 | tc_name, result | |
| 3266 | ) | |
| 3267 | ||
| 3268 | step( | |
| 3269 | "Verify that AS-110 is got added in the AS list 110 200 100 by following" | |
| 3270 | "commands at R3 router." | |
| 3271 | ) | |
| 3272 | dut = "r3" | |
| 3273 | aspath = "110 200 100" | |
| 3274 | for addr_type in ADDR_TYPES: | |
| 3275 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3276 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3277 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3278 | tc_name, result | |
| 3279 | ) | |
| 3280 | ||
| 3281 | # Perform Negative scenarios | |
| 3282 | step("Configure another local-as at R3 towards R4.") | |
| 3283 | input_dict_r3 = { | |
| 3284 | "r3": { | |
| 3285 | "bgp": { | |
| 3286 | "local_as": "300", | |
| 3287 | "address_family": { | |
| 3288 | "ipv4": { | |
| 3289 | "unicast": { | |
| 3290 | "neighbor": { | |
| 3291 | "r4": { | |
| 3292 | "dest_link": { | |
| 3293 | "r3": {"local_asn": {"local_as": "300"}} | |
| 3294 | } | |
| 3295 | } | |
| 3296 | } | |
| 3297 | } | |
| 3298 | } | |
| 3299 | }, | |
| 3300 | } | |
| 3301 | } | |
| 3302 | } | |
| 3303 | if "bgp" in topo["routers"]["r3"].keys(): | |
| 3304 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 3305 | assert result is not True, ( | |
| 3306 | "Testcase {} :Failed \n " | |
| 3307 | "Expected Behaviour: Cannot have local-as same as BGP AS number \n " | |
| 3308 | "Error {}".format(tc_name, result) | |
| 3309 | ) | |
| 3310 | ||
| 3311 | write_test_footer(tc_name) | |
| 3312 | ||
| 3313 | ||
| 3314 | def test_verify_bgp_local_as_in_EBGP_restart_daemons_p0(request): | |
| 3315 | """ | |
| 3316 | Verify that BGP Local AS functionality by restarting BGP,Zebra and FRR services and | |
| 3317 | further restarting clear BGP * and shutdown BGP neighbor. | |
| 3318 | """ | |
| 3319 | tgen = get_topogen() | |
| 3320 | global BGP_CONVERGENCE | |
| 3321 | if BGP_CONVERGENCE != True: | |
| 3322 | pytest.skip("skipped because of BGP Convergence failure") | |
| 3323 | # test case name | |
| 3324 | tc_name = request.node.name | |
| 3325 | write_test_header(tc_name) | |
| 3326 | if tgen.routers_have_failure(): | |
| 3327 | check_router_status(tgen) | |
| 3328 | reset_config_on_routers(tgen) | |
| 3329 | ||
| 3330 | step("Base config is done as part of JSON") | |
| 3331 | step("Configure local-as at R3 towards R4.") | |
| 3332 | for addr_type in ADDR_TYPES: | |
| 3333 | for neighbor in ["r2", "r4"]: | |
| 3334 | input_dict_r3 = { | |
| 3335 | "r3": { | |
| 3336 | "bgp": { | |
| 3337 | "local_as": "300", | |
| 3338 | "address_family": { | |
| 3339 | addr_type: { | |
| 3340 | "unicast": { | |
| 3341 | "neighbor": { | |
| 3342 | neighbor: { | |
| 3343 | "dest_link": { | |
| 3344 | "r3": {"local_asn": {"local_as": "110"}} | |
| 3345 | } | |
| 3346 | } | |
| 3347 | } | |
| 3348 | } | |
| 3349 | } | |
| 3350 | }, | |
| 3351 | } | |
| 3352 | } | |
| 3353 | } | |
| 3354 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 3355 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 3356 | tc_name, result | |
| 3357 | ) | |
| 3358 | ||
| 3359 | for addr_type in ADDR_TYPES: | |
| 3360 | for dut, asn, neighbor in zip(["r2", "r4"], ["200", "400"], ["r3", "r3"]): | |
| 3361 | input_dict_r2_r4 = { | |
| 3362 | dut: { | |
| 3363 | "bgp": { | |
| 3364 | "local_as": asn, | |
| 3365 | "address_family": { | |
| 3366 | addr_type: { | |
| 3367 | "unicast": { | |
| 3368 | "neighbor": { | |
| 3369 | neighbor: { | |
| 3370 | "dest_link": { | |
| 3371 | dut: {"local_asn": {"remote_as": "110"}} | |
| 3372 | } | |
| 3373 | } | |
| 3374 | } | |
| 3375 | } | |
| 3376 | } | |
| 3377 | }, | |
| 3378 | } | |
| 3379 | } | |
| 3380 | } | |
| 3381 | result = create_router_bgp(tgen, topo, input_dict_r2_r4) | |
| 3382 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 3383 | tc_name, result | |
| 3384 | ) | |
| 3385 | ||
| 3386 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 3387 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 3388 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 3389 | BGP_CONVERGENCE | |
| 3390 | ) | |
| 3391 | ||
| 3392 | # configure static routes | |
| 3393 | step("Done in base config: Advertise prefix 10.1.1.0/32 from Router-1(AS-100).") | |
| 3394 | step( | |
| 3395 | "Done in base config: Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100)." | |
| 3396 | ) | |
| 3397 | step("Verify that Static routes are redistributed in BGP process") | |
| 3398 | dut = "r1" | |
| 3399 | protocol = "bgp" | |
| 3400 | for addr_type in ADDR_TYPES: | |
| 3401 | # Enable static routes | |
| 3402 | input_static_r1 = { | |
| 3403 | "r1": { | |
| 3404 | "static_routes": [ | |
| 3405 | {"network": NETWORK[addr_type], "next_hop": NEXT_HOP_IP[addr_type]} | |
| 3406 | ] | |
| 3407 | } | |
| 3408 | } | |
| 3409 | ||
| 3410 | logger.info("Configure static routes") | |
| 3411 | result = create_static_routes(tgen, input_static_r1) | |
| 3412 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3413 | tc_name, result | |
| 3414 | ) | |
| 3415 | ||
| 3416 | step("configure redistribute static in Router BGP in R1") | |
| 3417 | input_static_redist_r1 = { | |
| 3418 | "r1": { | |
| 3419 | "bgp": { | |
| 3420 | "address_family": { | |
| 3421 | addr_type: { | |
| 3422 | "unicast": {"redistribute": [{"redist_type": "static"}]} | |
| 3423 | } | |
| 3424 | } | |
| 3425 | } | |
| 3426 | } | |
| 3427 | } | |
| 3428 | result = create_router_bgp(tgen, topo, input_static_redist_r1) | |
| 3429 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3430 | tc_name, result | |
| 3431 | ) | |
| 3432 | ||
| 3433 | step("Verify that Static routes are redistributed in BGP process") | |
| 3434 | for addr_type in ADDR_TYPES: | |
| 3435 | input_static_verify_r1 = { | |
| 3436 | "r1": {"static_routes": [{"network": NETWORK[addr_type]}]} | |
| 3437 | } | |
| 3438 | ||
| 3439 | result = verify_rib(tgen, addr_type, "r1", input_static_verify_r1) | |
| 3440 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 3441 | tc_name, result | |
| 3442 | ) | |
| 3443 | ||
| 3444 | for dut in ["r3", "r4"]: | |
| 3445 | result = verify_rib(tgen, addr_type, dut, input_static_r1) | |
| 3446 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 3447 | tc_name, result | |
| 3448 | ) | |
| 3449 | ||
| 3450 | for dut, input_routes in zip(["r1"], [input_static_r1]): | |
| 3451 | result = verify_rib(tgen, addr_type, dut, input_routes) | |
| 3452 | assert result is True, "Testcase {}: Failed \n Error: {}".format( | |
| 3453 | tc_name, result | |
| 3454 | ) | |
| 3455 | ||
| 3456 | step( | |
| 3457 | "Verify that AS-110 is got added in the AS list 110 200 100 by following" | |
| 3458 | "commands at R3 router." | |
| 3459 | ) | |
| 3460 | dut = "r3" | |
| 3461 | aspath = "110 200 100" | |
| 3462 | for addr_type in ADDR_TYPES: | |
| 3463 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3464 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3465 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3466 | tc_name, result | |
| 3467 | ) | |
| 3468 | ||
| 3469 | step("Kill BGPd daemon on R3.") | |
| 3470 | kill_router_daemons(tgen, "r3", ["bgpd"]) | |
| 3471 | ||
| 3472 | step("Bring up BGPd daemon on R3.") | |
| 3473 | start_router_daemons(tgen, "r3", ["bgpd"]) | |
| 3474 | ||
| 3475 | step( | |
| 3476 | "Verify that AS-110 is got added in the AS list 110 200 100 by following" | |
| 3477 | "commands at R3 router." | |
| 3478 | ) | |
| 3479 | dut = "r3" | |
| 3480 | aspath = "110 200 100" | |
| 3481 | for addr_type in ADDR_TYPES: | |
| 3482 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3483 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3484 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3485 | tc_name, result | |
| 3486 | ) | |
| 3487 | ||
| 3488 | step("Verify advertised routes at R3 towards R4") | |
| 3489 | expected_routes = { | |
| 3490 | "ipv4": [ | |
| 3491 | {"network": "10.1.1.0/32", "nexthop": ""}, | |
| 3492 | ], | |
| 3493 | "ipv6": [ | |
| 3494 | {"network": "10:1::1:0/128", "nexthop": ""}, | |
| 3495 | ], | |
| 3496 | } | |
| 3497 | result = verify_bgp_advertised_routes_from_neighbor( | |
| 3498 | tgen, topo, dut="r3", peer="r4", expected_routes=expected_routes | |
| 3499 | ) | |
| 3500 | assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) | |
| 3501 | ||
| 3502 | step("Configure local-as with no-prepend at R3 towards R4 & R2.") | |
| 3503 | for addr_type in ADDR_TYPES: | |
| 3504 | for neighbor in ["r2", "r4"]: | |
| 3505 | input_dict_r3 = { | |
| 3506 | "r3": { | |
| 3507 | "bgp": { | |
| 3508 | "local_as": "300", | |
| 3509 | "address_family": { | |
| 3510 | addr_type: { | |
| 3511 | "unicast": { | |
| 3512 | "neighbor": { | |
| 3513 | neighbor: { | |
| 3514 | "dest_link": { | |
| 3515 | "r3": { | |
| 3516 | "local_asn": { | |
| 3517 | "local_as": "110", | |
| 3518 | "no_prepend": True, | |
| 3519 | } | |
| 3520 | } | |
| 3521 | } | |
| 3522 | } | |
| 3523 | } | |
| 3524 | } | |
| 3525 | } | |
| 3526 | }, | |
| 3527 | } | |
| 3528 | } | |
| 3529 | } | |
| 3530 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 3531 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 3532 | tc_name, result | |
| 3533 | ) | |
| 3534 | ||
| 3535 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 3536 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 3537 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 3538 | BGP_CONVERGENCE | |
| 3539 | ) | |
| 3540 | ||
| 3541 | step( | |
| 3542 | "Verify that AS-110 is not prepended in the AS list 200 100 by following " | |
| 3543 | "commands at R3 router." | |
| 3544 | ) | |
| 3545 | dut = "r3" | |
| 3546 | aspath = "200 100" | |
| 3547 | for addr_type in ADDR_TYPES: | |
| 3548 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3549 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3550 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3551 | tc_name, result | |
| 3552 | ) | |
| 3553 | ||
| 3554 | step("Kill BGPd daemon on R3.") | |
| 3555 | kill_router_daemons(tgen, "r3", ["bgpd"]) | |
| 3556 | ||
| 3557 | step("Bring up BGPd daemon on R3.") | |
| 3558 | start_router_daemons(tgen, "r3", ["bgpd"]) | |
| 3559 | ||
| 3560 | step( | |
| 3561 | "Verify that AS-110 is not prepended in the AS list 200 100 by following " | |
| 3562 | "commands at R3 router." | |
| 3563 | ) | |
| 3564 | dut = "r3" | |
| 3565 | aspath = "200 100" | |
| 3566 | for addr_type in ADDR_TYPES: | |
| 3567 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3568 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3569 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3570 | tc_name, result | |
| 3571 | ) | |
| 3572 | ||
| 3573 | step("Configure local-as with no-prepend and replace-as at R3 towards R4 & R2.") | |
| 3574 | for addr_type in ADDR_TYPES: | |
| 3575 | for neighbor in ["r2", "r4"]: | |
| 3576 | input_dict_r3 = { | |
| 3577 | "r3": { | |
| 3578 | "bgp": { | |
| 3579 | "local_as": "300", | |
| 3580 | "address_family": { | |
| 3581 | addr_type: { | |
| 3582 | "unicast": { | |
| 3583 | "neighbor": { | |
| 3584 | neighbor: { | |
| 3585 | "dest_link": { | |
| 3586 | "r3": { | |
| 3587 | "local_asn": { | |
| 3588 | "local_as": "110", | |
| 3589 | "no_prepend": True, | |
| 3590 | "replace_as": True, | |
| 3591 | } | |
| 3592 | } | |
| 3593 | } | |
| 3594 | } | |
| 3595 | } | |
| 3596 | } | |
| 3597 | } | |
| 3598 | }, | |
| 3599 | } | |
| 3600 | } | |
| 3601 | } | |
| 3602 | result = create_router_bgp(tgen, topo, input_dict_r3) | |
| 3603 | assert result is True, "Testcase {} :Failed \n Error: {}".format( | |
| 3604 | tc_name, result | |
| 3605 | ) | |
| 3606 | ||
| 3607 | step("BGP neighborship is verified by following commands in R3 routers") | |
| 3608 | BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo) | |
| 3609 | assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format( | |
| 3610 | BGP_CONVERGENCE | |
| 3611 | ) | |
| 3612 | ||
| 3613 | step( | |
| 3614 | "Verified that AS-300 is got replaced with original AS-110 at R4 by following commands" | |
| 3615 | ) | |
| 3616 | dut = "r4" | |
| 3617 | aspath = "110 200 100" | |
| 3618 | for addr_type in ADDR_TYPES: | |
| 3619 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3620 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3621 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3622 | tc_name, result | |
| 3623 | ) | |
| 3624 | ||
| 3625 | step( | |
| 3626 | "Verified that AS-300 is got replaced with original AS-110 at R4 by following commands" | |
| 3627 | ) | |
| 3628 | dut = "r4" | |
| 3629 | aspath = "110 200 100" | |
| 3630 | for addr_type in ADDR_TYPES: | |
| 3631 | input_static_r1 = {"r1": {"static_routes": [{"network": NETWORK[addr_type]}]}} | |
| 3632 | result = verify_bgp_rib(tgen, addr_type, dut, input_static_r1, aspath=aspath) | |
| 3633 | assert result is True, "Testcase {} : Failed \n Error: {}".format( | |
| 3634 | tc_name, result | |
| 3635 | ) | |
| 3636 | ||
| 3637 | write_test_footer(tc_name) | |
| 3638 | ||
| 3639 | ||
| 3640 | if __name__ == "__main__": | |
| 3641 | args = ["-s"] + sys.argv[1:] | |
| 3642 | sys.exit(pytest.main(args)) |