Cisco Bug: CSCuj63426 - Quad Sup 2T physical sup failure causes random ports to go err-disabled
May 08, 2020
- Cisco Catalyst 6000 Series Switches
Known Affected Releases
Symptom: Random ports go UDLD error disabled due to empty echo from the 6500 quad sup 2t VSS. Conditions: 6500, sup2t quad sup, 15.1(2)SY during physical reseat of the supervisor it fails over and begins sending UDLD hellos with empty data fields in the echo portion of the packets.
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Bug Details Include
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