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Cisco Bug: CSCup58016 - 3850/3650 crashes due to unicast flood on mgmt port

Last Modified

Dec 30, 2020

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases

15.0(1)EZ 15.0(1)EZ3 3.7(0)

Description (partial)

On sending unknown unicast traffic on mgmt port of an 3850 or 3650 stack the active switch console becomes unresponsive / occasionally crashes due to watchdog / "stack merge due to incompatiblity". Please refer attached crashinfos.

unicast flood on mgmt port gi0/0
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