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Cisco Bug: CSCur56909 - Port-channel not coming up, received as all zeros wwn from peer

Last Modified

Sep 10, 2019

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases


Description (partial)

When trying to bring a port channel online the vsans will show initializing and never come online.  In one of the peers for the port-channel you will have the following message in the syslog:

%PORT-5-IF_BRINGUP_FAILED_ALL_ZERO_PEER_WWN_RCVD: Interface port-channel 20, is not allowed to come up (received as all zeros wwn from peer

You are adding vsan's to a existing port channel
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