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Cisco Bug: CSCvi84511 - Cisco 3800 AP with Wired1 (aux) LAN enabled - CDP-4-DUPLEX_MISMATCH messages constantly logged

Last Modified

Jan 15, 2019

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

8.5(131.0) 8.7(1.161) 8.8(1.53)

Description (partial)

3800 CDP-4-DUPLEX_MISMATCH Messages Constantly Logged

3800/2800 with the Wired1 (AUX) LAN port - e.g. LAG enabled.

Related Community Discussions

<key>CSCvi84511</key> - 3800 with Wired1 (aux) LAN enabled - CDP-4-DUPLEX_MISMATCH Messages Constantly Logged - 1
I too have this issue.   Until there is a resolution or workaround, to keep my sys log entries from going through the roof I have implemented filters on the switch to drop such. 
Latest activity: Jun 27, 2018
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