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Cisco Bug: CSCte17480 - Port-channel goes down all links in suspended State

Last Modified

Jan 31, 2017

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases


Description (partial)

Sup6-E uplink ports go to suspended state and stop forwarding traffic.

The issue is seen in releases prior to 12.2(53)SG03 12.2(50)SG06.
The switch is configured with redundant SUP6-E in SSO mode
Under very rare circumstances that all the uplink ports on one of the supervisors SUP6-E may be suspended.  Subsequent switchovers do not bring the uplinks back up.
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