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Cisco Bug: CSCsy96058 - Dual-active state for VPC ports when OOB & MCT are shutdown

Last Modified

Mar 01, 2018

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

6.1(1)S42

Description (partial)

Symptom:
vPC goes into dual active state, both peers claim operational primary role


Conditions:
If peer-keep alive was not working when peer-link went down, we may run into this situation.


Workaround(s):

Introduce redundancy in peer-link, also monitor any peer-keep alive failures (critical syslog), and take corrective action, instead of letting multiple failures happen simultaneously.


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