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Catalyst 4500 Series Switch Cisco IOS System Message Guide
OL-13091-01
Chapter 2      Messages and Recovery Procedures
DOT1X (802.1X) Messages
DOT1X-5
Error Message DOT1X-5-ERR_CHANNELLING: Dot1x can not be enabled on Channelling ports
Explanation Dot1x could not be enabled on the channelling port. This condition was caused by trying 
to set Dot1x port-control to auto or force-unauthorized (Force_unauth) mode on a channelling port, 
which is not allowed. 
Recommended Action Disable channeling on the interface, and then enable 802.1X.
Error Message DOT1X-5-ERR_VVID_NOT_SUPPORTED: Dot1x can not be enabled on this port 
with Voice VLAN configured.
Explanation
Dot1x with voice VLAN is not supported on this port on this platform.
Recommended Action Remove the voice VLAN configuration on this port and retry the Dot1x 
operation.
Error Message DOT1X-5-ERR_DYNAMIC: Dot1x can not be enabled on Dynamic ports
Explanation Dot1x could not be enabled on the Dynamic mode port. This condition was caused by 
trying to set Dot1x port-control to auto or force-unauthorized (Force_unauth) mode on a dynamic 
mode port, which is not allowed. 
Recommended Action Disable the dynamic mode on the interface, and then enable 802.1X.
Error Message DOT1X-5-ERR_DYNAMIC_VLAN: Dot1x can not be enabled on dynamic VLAN 
ports.
Explanation Dot1x could not be enabled on the Dynamic VLAN port. This condition was caused by 
trying to set Dot1x port-control to auto or force-unauthorized (Force_unauth) mode on a dynamic 
VLAN port, which is not allowed. 
Recommended Action Disable the dynamic VLAN on the interface, and then enable 802.1X.
Error Message DOT1X-5-ERR_INVALID_AAA_ATTR: Got invalid AAA attribute settings 
[char] 
Explanation
The authorization settings obtained are either unsupported or invalid.
Recommended Action Change the value to reflect the correct settings.
Error Message DOT1X-5-ERR_INVALID_TUNNEL_MEDIUM_TYPE: Got an invalid value [char] 
for TUNNEL_MEDIUM_TYPE [char] 
Explanation
The provided TUNNEL_MEDIUM_TYPE is either unsupported or invalid. 
Recommended Action Change the value to reflect the correct tunnel medium type.