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Cisco Bug: CSCvs49363 - QinVNI BUM traffic to vPC peer is dropped

Last Modified

Jul 20, 2020

Products (65)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 3636C-R Switch
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 93600CD-GX Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 92348GC-X Switch
  • Cisco Nexus 92160YC-X Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 3064 Switch
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Known Affected Releases

9.3(1) 9.3(2) 9.3(2.64)

Description (partial)

QinVNI BUM traffic is received on a leaf, and decapped successfully and flooded. However, the PIP tunnel copy is dropped by the vPC peer. 

This issue will be seen in all cases of tagged traffic (received over VxLAN tunnel) and flooding over PIP tunnel. This is due to missing outer tag (reserved vlan for PIP)
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