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SLX - Path MTU discovery not working properly

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TitleSLX - Path MTU discovery not working properly
Symptoms
Path MTU discovery does not set the MTU size to 1500 bytes persistently
Environment
  • BR-SLX-9540
  • SLX OS 18r.1.00a code
  • IP MTU configured to 9000 bytes on outgoing L3 interface
Cause
SLXOS-41370 (Path MTU discovery does not set the MTU size to 1500 bytes persistently)
Resolution
Upgrade to 18r.1.00d, 18r.2.00b, or 20.1.1 code (when they are released)
Additional notes

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