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Cisco Bug: CSCup60475 - Synced MACs missing in HW after VPC peer-reload

Last Modified

Feb 19, 2016

Products (7)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 3164Q Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 93128TX Switch

Known Affected Releases

6.1(2)I2(2a) 6.1(3)EV(0.1)

Description (partial)

Symptom:
Under rare circumstances it is seen that when a VPC node reloads and comes back online, some MACs may be missing in hardware in the reloaded switch causing flooding for traffic destined to those MACs

Conditions:
The problem usually occurs on large Port,Vlan (vxlan vlan) scale, and seen more often on Redmond2 which has multiple forwarding asics.
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Bug Details Include

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