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| # RT-2.??: ISIS Graceful Restart Helper | ||
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| ## Summary | ||
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| - test verify isis garceful restarts support in helper role | ||
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| ## Testbed type | ||
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| * https://github.com/openconfig/featureprofiles/blob/main/topologies/atedut_2.testbed | ||
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| ## Procedure | ||
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| #### Initial Setup: | ||
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| * Connect: | ||
| * DUT port-1 to ATE port-1 | ||
| * DUT port-2 to ATE port-2 | ||
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| * Configure IPv4 and IPv6 addresses on DUT and ATE ports as shown below | ||
| * DUT port-1 IPv4 address ```dp1-v4 = 192.168.1.1/30``` | ||
| * ATE port-1 IPv4 address ```ap1-v4 = 192.168.1.2/30``` | ||
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| * DUT port-2 IPv4 address ```dp2-v4 = 192.168.1.5/30``` | ||
| * ATE port-2 IPv4 address ```ap2-v4 = 192.168.1.6/30``` | ||
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| * DUT port-1 IPv6 address ```dp1-v6 = 2001:DB8::1/126``` | ||
| * ATE port-1 IPv6 address ```ap1-v6 = 2001:DB8::2/126``` | ||
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| * DUT port-2 IPv6 address ```dp2-v6 = 2001:DB8::5/126``` | ||
| * ATE port-2 IPv6 address ```ap2-v6 = 2001:DB8::6/126``` | ||
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| * Create an "target IPv4" network i.e. ```ipv4-network = 192.168.10.0/24``` attached to ATE port-2 and inject it to ISIS. | ||
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| * Create an "target IPv6" network i.e. ```ipv6-network = 2024:db8:128:128::/64``` attached to ATE port-2 and inject it to ISIS. | ||
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| * Configure ISIS | ||
| * Configure separate ISIS emulated routers, one on each ATE ports-1, port-2 | ||
| * Enable IPv4 and IPv6 IS-IS L2 adjacency between ATE port-1 and DUT port-1, DUT port-2 and ATE port-2 in point-to-point mode. | ||
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| ```json | ||
| { | ||
| "network-instances": { | ||
| "network-instance": [ | ||
| { | ||
| "name": "DEFAULT", | ||
| "protocols": { | ||
| "protocol": [ | ||
| { | ||
| "identifier": "ISIS", | ||
| "name": "DEFAULT", | ||
| "config": { | ||
| "name": "DEFAULT", | ||
| "identifier": "ISIS" | ||
| }, | ||
| "isis": { | ||
| "global": { | ||
| "afi-safi": { | ||
| "af": [ | ||
| { | ||
| "afi-name": "IPV4", | ||
| "config": { | ||
| "afi-name": "IPV4", | ||
| "enabled": true, | ||
| "safi-name": "UNICAST" | ||
| }, | ||
| "safi-name": "UNICAST" | ||
| }, | ||
| { | ||
| "afi-name": "IPV6", | ||
| "config": { | ||
| "afi-name": "IPV6", | ||
| "enabled": true, | ||
| "safi-name": "UNICAST" | ||
| }, | ||
| "safi-name": "UNICAST" | ||
| } | ||
| ] | ||
| }, | ||
| "config": { | ||
| "level-capability": "LEVEL_2", | ||
| "net": [ | ||
| "<NET address of this WBB>" | ||
| ] | ||
| } | ||
| }, | ||
| "interfaces": { | ||
| "interface": [ | ||
| { | ||
| "config": { | ||
| "passive": true, | ||
| "enabled": true, | ||
| "interface-id": "Loopback0" | ||
| }, | ||
| "interface-id": "Loopback0", | ||
| "interface-ref": { | ||
| "config": { | ||
| "interface": "loopback0", | ||
| "subinterface": 0 | ||
| } | ||
| }, | ||
| "levels": { | ||
| "level": [ | ||
| { | ||
| "config": { | ||
| "level-number": 2, | ||
| "enabled": true | ||
| }, | ||
| "level-number": 2 | ||
| } | ||
| ] | ||
| } | ||
| }, | ||
| { | ||
| "config": { | ||
| "circuit-type": "POINT_TO_POINT", | ||
| "enabled": true, | ||
| "interface-id": "<Interface_ID>" | ||
| }, | ||
| "interface-id": "<Interface_ID>", | ||
| "interface-ref": { | ||
| "config": { | ||
| "interface": "<Interface name>", | ||
| "subinterface": 0 | ||
| } | ||
| }, | ||
| "levels": { | ||
| "level": [ | ||
| { | ||
| "afi-safi": { | ||
| "af": [ | ||
| { | ||
| "afi-name": "IPV4", | ||
| "config": { | ||
| "afi-name": "IPV4", | ||
| "metric": 10, | ||
| "safi-name": "UNICAST" | ||
| }, | ||
| "safi-name": "UNICAST" | ||
| }, | ||
| { | ||
| "afi-name": "IPV6", | ||
| "config": { | ||
| "afi-name": "IPV6", | ||
| "metric": 10, | ||
| "safi-name": "UNICAST" | ||
| }, | ||
| "safi-name": "UNICAST" | ||
| } | ||
| ] | ||
| }, | ||
| "config": { | ||
| "level-number": 2, | ||
| "enabled": true | ||
| }, | ||
| "level-number": 2, | ||
| "timers": { | ||
| "config": { | ||
| "hello-interval": 10, | ||
| "hello-multiplier": 6 | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| ] | ||
| }, | ||
| "levels": { | ||
| "level": [ | ||
| { | ||
| "config": { | ||
| "level-number": 2, | ||
| "metric-style": "WIDE_METRIC", | ||
| "enabled": true | ||
| }, | ||
| "level-number": 2 | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| ``` | ||
| * Enable IPv4 and IPv6 IS-IS L2 adjacency between ATE port-1 and DUT port-1, DUT port-2 and ATE port-2 in point-to-point mode.\ | ||
| * Set ISIS graceful restart helper mode on DUT | ||
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| ```json | ||
| { | ||
| "network-instances": { | ||
| "network-instance": [ | ||
| { | ||
| "name": "DEFAULT", | ||
| "protocols": { | ||
| "protocol": [ | ||
| { | ||
| "identifier": "ISIS", | ||
| "name": "DEFAULT", | ||
| "isis": { | ||
| "global": { | ||
| "graceful-restart": { | ||
| "config": { | ||
| "enabled": true, | ||
| "helper-only": true, | ||
| "restart-time": 30 | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| ``` | ||
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| ### RT-2.??.1 [TODO: https://github.com/openconfig/featureprofiles/issues/2494] | ||
| #### GR helper | ||
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| * Generate traffic form ATE port-1 to "target IPv4" and "target IPv6" networks (ATE port-2) | ||
| * Verify traffic is recived on ATE port-2 | ||
| * Restart ISIS on ATE port-2 (Alternativly: using set_control_state to "down" for emulated isis router. Wait (restart-time - 10) sec and set it back to "up") | ||
| * Verify traffic is recived on ATE port-2 during restart time ( no losses ) | ||
| * Disable ISIS on ATE port-2 (set_control_state to "down"). Wait restart-time seconds | ||
| * Verify traffic is NOT recived on ATE port-2 (after restart-time expires) | ||
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| ## OpenConfig Path and RPC Coverage | ||
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| The below yaml defines the OC paths intended to be covered by this test. OC paths used for test setup are not listed here. | ||
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| ```yaml | ||
| paths: | ||
| ## Config Paths ## | ||
| /network-instances/network-instance/protocols/protocol/isis/global/graceful-restart/enabled: | ||
| /network-instances/network-instance/protocols/protocol/isis/global/graceful-restart/helper-only: | ||
| /network-instances/network-instance/protocols/protocol/isis/global/graceful-restart/restart-time: | ||
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| ## State Paths ## | ||
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| rpcs: | ||
| gnmi: | ||
| gNMI.Subscribe: | ||
| gNMI.Set: | ||
| ``` | ||
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| ## Required DUT platform | ||
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| * FFF |
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feature/isis/otg_tests/isis_graceful_restart/metadata.textproto
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| # proto-file: github.com/openconfig/featureprofiles/proto/metadata.proto | ||
| # proto-message: Metadata | ||
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| uuid: "1d0a79c7-7aa8-43a8-b83f-620d40fa1e1a" | ||
| plan_id: "RT-2.12" | ||
| description: "Static route to IS-IS redistribution" | ||
| testbed: TESTBED_DUT_ATE_2LINKS | ||
| platform_exceptions: { | ||
| platform: { | ||
| vendor: CISCO | ||
| } | ||
| deviations: { | ||
| ipv4_missing_enabled: true | ||
| missing_isis_interface_afi_safi_enable: true | ||
| } | ||
| } | ||
| platform_exceptions: { | ||
| platform: { | ||
| vendor: ARISTA | ||
| } | ||
| deviations: { | ||
| interface_enabled: true | ||
| default_network_instance: "default" | ||
| omit_l2_mtu: true | ||
| static_protocol_name: "STATIC" | ||
| isis_interface_afi_unsupported: true | ||
| isis_instance_enabled_required: true | ||
| missing_value_for_defaults: true | ||
| skip_isis_set_level: true | ||
| skip_setting_disable_metric_propagation: true | ||
| ipv6_static_route_with_ipv4_next_hop_requires_static_arp: true | ||
| routing_policy_tag_set_embedded: true | ||
| same_policy_attached_to_all_afis: true | ||
| match_tag_set_condition_unsupported: true | ||
| } | ||
| } |