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Cisco Bug: CSCvu93361 - UDLD not working correctly when MACsec is enabled

Last Modified

Aug 05, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases


Description (partial)

Cat9k switches configured with MACSec and UDLD in aggressive mode on the interface
When the switch is reloaded it is possible that one side of such a connection will transition to err-disabled state due to UDLD

UDLD aggressive and MACsec enabled on the same interface
the switch is reloaded [e.g. planned upgrade or power outage or any other event that causes reload]
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