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Cisco Bug: CSCun42870 - 4500 Ages Out MACs for Existing Flows

Last Modified

May 09, 2020

Products (1)

  • Cisco Catalyst 4500 Series Switches

Known Affected Releases


Description (partial)

When running MAC port security on an interface, MACs will still be timed out, even though traffic is still flowing sourced from those MACs.

interface GigabitEthernet1/25

 switchport port-security maximum 24
 switchport port-security
 switchport port-security aging time 2
 switchport port-security aging type inactivity

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