Symptom

Error messages in C9800 logs appear. They appear as far as a WLCs has APs registered (even without any client joined to any SSID). AUTH-FEAT-SWITCH-CORE-EVENT: [Caxx] Disabling dot1x in switch shim AUTH-FEAT-SWITCH-CORE-EVENT: [Caxx] Disable on port: sb get failed AUTH-FEAT-SWITCH-CORE-EVENT: [Cax] is cts manual sap enabled:FALSE AUTH-FEAT-SWITCH-CORE-EVENT: [Cax] is cts manual sap enabled:FALSE AUTH-FEAT-SWITCH-CORE-EVENT: [Cax] is mka uplink port:FALSE AUTH-FEAT-SWITCH-CORE-EVENT: [Cax] is cts manual sap enabled:FALSE AUTH-FEAT-SWITCH-CORE-EVENT: [Cax] is mka uplink port:FALSE

Conditions

Reported on 9800-80, 17.9.3 version

Workaround

These logs come from the platform-independant side of IOS-XE inside the c9800. The source code came from the dot1x manager inside IOSd. This is reinforced by the fact the mentioned interfaces are "Caxx" xx being a number. Those are Capwap interfaces for each APs joined. These logs are not harmful.

Further Problem Description