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Cisco Bug: CSCuj63426 - Quad Sup 2T physical sup failure causes random ports to go err-disabled

Last Modified

May 08, 2020

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases


Description (partial)

Random ports go UDLD error disabled due to empty echo from the 6500 quad sup 2t VSS.

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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