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Cisco Bug: CSCvh73536 - Front panel ports are going down in VPC TOR when its peer VPC TOR enters MMODE

Last Modified

Aug 19, 2019

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

13.1(1.161)

Description (partial)

Symptom:
observe that peer VPC(lets say TOR2) front panel ports are shutdown once other peer(TOR1) goes into MMODE due to ?VPC peer link down"

Due to this observing complete blackhole of traffic for 2 minutes. 


Conditions:
when upgrading using graceful maintenance mode
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