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Cisco Bug: CSCvv70602 - ToR vPC/Po logical down / nwPathEp removal when deleting single static path

Last Modified

Sep 18, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

13.2(4e)

Description (partial)

Symptom:
- After creating and subsequently removing a static path (70 seconds in between add/remove) for a vPC path with single encap VLAN ... 
-Other static paths for other encap VLANs incur traffic loss
- The vPC path for which the add/remove was performed is seen to be brought logically down in EthPM logs on the affected Leafs
   
    LOG_COLLECT_ELTM_INTF; optype = UPDATE; opdetail = LOGICAL_DOWN; ifname = port-channel8; ifindex = 0x16000007

- The dataplane interruption is +- 20 seconds hough this can vary in accordance with the amount of static paths programmed on the affected port (s)

Conditions:
- Creating and subsequently removing a static path (70 seconds in between add/remove) for a vPC path with single encap VLAN ...
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