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Cisco Bug: CSCvt30966 - N9K : After disruptive upgrade to 9.3(2) remote macs are out of sync between L2RIB and L2FM

Last Modified

Apr 20, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(2)

Description (partial)

Symptom:
After a disruptive upgrade on the VPC primary switch on Vxlan fabric from 7.0(3)I7(5a) to 9.3(2), the Remote NVE Rmac for all VLANs are missing from MAC address-table and L2FM. BGP/NVE and L2RIB have the correct info.

Conditions:
The issue seems to have a very low occurrence. Exact condition is unknown.
On this scenario only VPC primary was upgraded and secondary stayed on old release.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
  • Related Community Discussions
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