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Cisco Bug: CSCvt32777 - QinVNI - Customer dot1q tag removed for unicast traffic when crossing peer-link

Last Modified

Oct 06, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(3)

Description (partial)

Symptom:
Known Unicast traffic forwarding issue over peer-link in a QinVNI VXLAN setup.
ARP reply or any form of L2 IP known Unicast is affected.

Conditions:
VXLAN EVPN with Provider VNI using QinVNI feature in VPC domain.
Traffic needs to cross peer-link in VPC setup as known unicast is destined to a port on peer switch.
New Provider VNI added and since then no reload of the switch has taken place.
No local port exists for the VLAN mapped to this new Provider VNI.
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Bug Details Include

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