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Cisco Bug: CSCus71454 - PVLAN VPC: peer-link flap causes primary legs in PVLAN host mode to flap

Last Modified

Feb 06, 2017

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases


Description (partial)

In a Private-Vlan VPC setup in private-vlan host mode, when peer link flaps, VPC leg in private-vlan host mode also flaps and comes back up in some time. There will be traffic loss from the VPC leg until the leg bringup happens again.

The VPC legs have to be private-vlan host mode as follows:  "switchport mode private-vlan host"

Example configuration:
interface port-channel10
  switchport mode private-vlan host
  switchport private-vlan host-association 2 3
  vpc 1
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Bug Details Include

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  • Status
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