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Deepak Kumar
VIP Advocate

Assign a Guest VLAN if DOT1X is not enabled on Supplicant

Hi All,

We are testing Dot1X in my office to implementation of BYOD solutions. DOT1x is working fine but I am missing something in the configuration for supplicant which is not supporting to DOT1x. I am getting below debug logs: (Please Don't mind debug date)

 

 

Aug 14 02:11:48.704: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:11:48.707: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:11:49.263: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:11:49.263: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:01.503: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:01.507: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:02.342: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:02.342: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:05.142: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:05.145: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:05.942: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:05.946: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:12.782: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:12.786: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:13.583: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:13.583: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:20.542: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:20.545: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:21.304: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:21.307: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:24.142: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:24.145: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:24.904: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:24.904: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:27.704: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:27.707: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:28.504: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:28.504: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:31.304: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:31.307: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:32.104: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:32.104: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:34.946: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:34.946: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:35.704: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:35.704: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:38.504: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:38.507: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:39.343: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:39.343: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:42.143: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:42.146: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:42.943: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:42.946: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:49.745: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:49.748: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:50.584: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:50.584: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:12:53.502: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:12:53.506: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:12:54.344: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:12:54.344: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:02.782: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:02.786: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:03.582: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:03.582: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:10.583: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:10.587: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:11.303: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:11.303: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:14.142: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:14.145: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:14.904: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:14.907: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:17.665: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:17.668: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:18.504: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:18.504: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:25.222: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:25.225: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:26.064: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:26.064: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:28.947: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:28.947: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:29.664: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:29.664: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:32.782: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:32.785: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:33.582: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:33.582: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:36.504: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:36.508: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:37.224: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:37.224: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Switch(config-if)#
Aug 14 02:13:40.185: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:40.188: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:40.905: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:40.905: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Switch(config-if)#
Aug 14 02:13:43.704: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:43.708: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:44.505: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:44.505: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:47.381: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:47.385: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:48.101: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:48.101: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Aug 14 02:13:54.823: dot1x-ev:[Gi1/0/2] Interface state changed to UP
Aug 14 02:13:54.826: dot1x-ev:DOT1X Supplicant not enabled on GigabitEthernet1/0/2
Aug 14 02:13:55.662: dot1x-ev:[Gi1/0/2] Interface state changed to DOWN
Aug 14 02:13:55.662: dot1x-ev:[Gi1/0/2] No DOT1X subblock found for port down
Switch(config-if)#

 

Configuration working fine If my supplicant is supporting to DOT1x feature. 

 

Configuration as below:

interface GigabitEthernet1/0/2
switchport mode access
authentication host-mode multi-host
authentication port-control auto
dot1x pae authenticator

authentication event no-response action authorize vlan 2

authentication event fail action authorize vlan 2
end

 

Thanks in advanced. 

Regards,

Deepak Kumar

Regards,
Deepak Kumar,
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