Adding new test for coverage of ipv6 dynamic NDP state transition#5666
Adding new test for coverage of ipv6 dynamic NDP state transition#5666ram-mac wants to merge 1 commit into
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request introduces a new test suite to validate IPv6 dynamic NDP state transitions on the device under test. The tests ensure that neighbor discovery correctly transitions through REACHABLE and STALE states based on traffic activity, verifying the robustness of the IPv6 neighbor management implementation. Highlights
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Code Review
This pull request introduces a new test plan and metadata for "RT-5.16: IPv6 Dynamic Neighbor Discovery (NDP) State Transitions" under feature/interface/ip/otg_tests/ipv6_neighbor_state_test/, along with its registration in testregistry.textproto. Feedback was provided to replace the placeholder value FFF under the "Minimum DUT Platform Requirement" section in the README with a valid requirement.
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New test coverage to enhance ipv6 neighbor dynamic NDP state validation
TC1: Initial Neighbor Discovery Resolution (REACHABLE State): Verifies that initiating traffic resolves the neighbor and transitions the OpenConfig neighbor-state to REACHABLE.
TC2: Neighbor Inactivity and Transition to STALE: Verifies that stopping traffic correctly transitions the neighbor entry to STALE after the timeout.
TC3: Stale Neighbor Traffic Recovery: Resumes traffic to verify that sending data-plane traffic to a STALE neighbor correctly triggers NDP re-resolution, transitions the state back to REACHABLE, and ensures minimal packet loss during the probe.