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[chassis-packet][SNMP] Enable SNMP dynamic frequency on packet chassis #21355

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merged 2 commits into from
Jan 14, 2025

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yejianquan
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@yejianquan yejianquan commented Jan 8, 2025

Why I did it

It's one part of the fixes of #21314
SNMP walker request will always timeout when 100% CPU utilization.

Work item tracking
  • Microsoft ADO 30112399:

How I did it

Enable SNMP dynamic frequency on packet chassis.

How to verify it

snmp/test_snmp_cpu.py(https://github.com/sonic-net/sonic-mgmt/blob/master/tests/snmp/test_snmp_cpu.py) tests the scenario.

And the test case passes in my local run.

Which release branch to backport (provide reason below if selected)

  • 201811
  • 201911
  • 202006
  • 202012
  • 202106
  • 202111
  • 202205
  • 202211
  • 202305
  • 202405

Tested branch (Please provide the tested image version)

Description for the changelog

For issue:
#21314

Change of SNMP-AgentX sonic-net/sonic-snmpagent#345 will fix the issue.
But we want to limit the scope of the change, since we only see this issue on packet-chassis and old devices with low performance CPUs.

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

@yejianquan yejianquan requested a review from qiluo-msft as a code owner January 8, 2025 11:52
@mssonicbld
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/azp run Azure.sonic-buildimage

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Azure Pipelines successfully started running 1 pipeline(s).

@yejianquan yejianquan marked this pull request as draft January 8, 2025 23:42
@yejianquan
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convert to draft since it depends on https://github.com/sonic-net/sonic-snmpagent/pull/345/files to be merged and sub-module advanced

@mssonicbld
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/azp run Azure.sonic-buildimage

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Azure Pipelines successfully started running 1 pipeline(s).

@yejianquan yejianquan marked this pull request as ready for review January 12, 2025 06:11
@yejianquan
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/azp run Azure.sonic-buildimage

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Commenter does not have sufficient privileges for PR 21355 in repo sonic-net/sonic-buildimage

@StormLiangMS
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One question, why we don't enable this on all platform? Any side impact to enable this dynamic frequency SNMP? @qiluo-msft @SuvarnaMeenakshi to comment.

@yejianquan
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PR build finished, but likely there's status syncing issue.

https://dev.azure.com/mssonic/build/_build/results?buildId=741544&view=results

image

@yejianquan
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yejianquan commented Jan 14, 2025

Please wait for snmp sub-module advanced finished
#21420

Then we can merge this PR

@mssonicbld
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Cherry-pick PR to 202405: #21429

@mssonicbld
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Cherry-pick PR to 202411: #21430

VladimirKuk pushed a commit to Marvell-switching/sonic-buildimage that referenced this pull request Jan 21, 2025
sonic-net#21355)

Why I did it
It's one part of the fixes of sonic-net#21314
SNMP walker request will always timeout when 100% CPU utilization.

Work item tracking
Microsoft ADO 30112399:

How I did it
Enable SNMP dynamic frequency on packet chassis.

How to verify it
snmp/test_snmp_cpu.py(https://github.com/sonic-net/sonic-mgmt/blob/master/tests/snmp/test_snmp_cpu.py) tests the scenario.
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5 participants