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Cisco Bug: CSCuq70197 - High CPU in "K5L2 Vlan Table Review"

Last Modified

Feb 23, 2018

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.2(2)E

Description (partial)

Symptom:
High CPU in "K5L2 Vlan Table Revi" .

Issue was seen  in two 4500X VSS pairs running 3.6.0E release.

Conditions:
Having the switch connect with Nexus and VPC configured,

STP pseudo priorities set on the Nexus switches.
Different priorities on each switch in order to achieve vlan load balancing

On th 4k or could be any other connected switch, a interface configured for portfast needs to be present
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