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Cisco Bug: CSCvv56133 - 4500x in VSS may see VSL links in an up/down state after reboot when using Twin-ax cables

Last Modified

Oct 01, 2020

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

none

Description (partial)

Symptom:
After a reboot, a 4500x may see an individual  VSL link showing "state is up, line protocol is down" and will never bundle into the VSL port-channel without some sort of user intervention

Conditions:
Seen on 4500x switches using a twin-ax cable during initial boot. (example PID: SFP-H10GB-CU1M)
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