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Cisco Bug: CSCuq58064 - Link-flap errdisable may occur after 6880-X VSS switchover

Last Modified

Sep 14, 2019

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.1(2)SY3 15.2(1)IC273.166

Description (partial) 

Symptom:
Link-flap errdisable may occur after Catalyst 6880-X VSS switchover

Conditions:
- C6880-X VSS
- the first ports on C6880-X (interface x/x/1) are connected
- the diagnostic bootup test(minimal or complete) is enabled on C6880-X

When switchover occurs on C6880-X, port of the connected device may go into err-disable by link-flap.

The err-disable occurs when C6880-X starts bootup diagnostic test after system restart by the switchover.
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