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updating the testplan for new test case and metrics measurement#22081

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PriyanshTratiya:testplan/new-bgp-scale-test-cases
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updating the testplan for new test case and metrics measurement#22081
PriyanshTratiya wants to merge 1 commit intosonic-net:masterfrom
PriyanshTratiya:testplan/new-bgp-scale-test-cases

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@PriyanshTratiya
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@PriyanshTratiya PriyanshTratiya commented Jan 21, 2026

Description of PR

Summary:
Fixes # (issue)
This test plan update is to add a test case to see if control/data plane can handle the flapping of numerous admin BGP session holding a lot routes, and estimate the impact on it.

We also introduce route programming timing measurement.

Related PRs:

  • PR #21335 : Reuse of existing codes for future test additions
  • PR #21520 : Introduction of the new test case - BGP Admin Flap
  • PR #21523 : Route Programming Time measurement
  • PR #21936 : Clean ptf dataplane to fix non linear downtime increase
  • PR #21939 : Fix nexthop non linear downtime increase
  • PR #21979 : All - 1 test

Type of change

  • Bug fix
  • Testbed and Framework(new/improvement)
  • New Test case
    • Skipped for non-supported platforms
  • Test case improvement

Back port request

  • 202205
  • 202305
  • 202311
  • 202405
  • 202411
  • 202505

Approach

What is the motivation for this PR?

Update the test plan documents with methodology and details of the new test plan.

How did you do it?

How did you verify/test it?

Any platform specific information?

Ran the tests on t0-isolated-d2u510s2 topology

Supported testbed topology if it's a new test case?

Documentation

@mssonicbld
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/azp run

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Azure Pipelines could not run because the pipeline triggers exclude this branch/path.

@PriyanshTratiya PriyanshTratiya marked this pull request as ready for review January 21, 2026 21:40
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AI agent on behalf of Ying. Reviewed; no issues found.

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3 participants