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Client Authentication error

Hello everyone, I face a client auth problem. When clients connect to the wireless, they could not pass the authentication.

Looking at the logs on the WLC (7.0.220.0) I see messages simliar to this one.

"RADIUS server 10.XX.XX.XX:1812 failed to respond to request (ID 33) for client a0:88:b4:45:2e:dc / user 'unknown'"

I "debug dot1x aaa enable" on the WLC and have a client "08:11:96:8a:e3:e8" connect for test.

Following is the debug log, what could be the reason for it? Thanks a lot!

*radiusTransportThread: Feb 20 06:37:57.016: 58:94:6b:06:1e:a8 [BE-req] Radius  EAP only  for WLAN 2.
*radiusTransportThread: Feb 20 06:37:57.016: 58:94:6b:06:1e:a8 [BE-req] Attempted all backends. No more fallbacks to try
*radiusTransportThread: Feb 20 06:37:57.016: 58:94:6b:06:1e:a8 [BE-resp] Requeue failed. Returning AAA response
*radiusTransportThread: Feb 20 06:37:57.016: 58:94:6b:06:1e:a8 AAA Message 'Timeout' received for mobile 58:94:6b:06:1e:a8
*radiusTransportThread: Feb 20 06:37:57.017: 08:11:96:3b:2a:7c [BE-resp] AAA response 'Timeout'
*radiusTransportThread: Feb 20 06:37:57.017: 08:11:96:3b:2a:7c [BE-req] Radius  EAP only  for WLAN 2.
*radiusTransportThread: Feb 20 06:37:57.017: 08:11:96:3b:2a:7c [BE-req] Attempted all backends. No more fallbacks to try
*radiusTransportThread: Feb 20 06:37:57.017: 08:11:96:3b:2a:7c [BE-resp] Requeue failed. Returning AAA response
*radiusTransportThread: Feb 20 06:37:57.017: 08:11:96:3b:2a:7c AAA Message 'Timeout' received for mobile 08:11:96:3b:2a:7c
*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.705: a0:88:b4:45:2e:dc Adding AAA_ATT_USER_NAME(1) index=0

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.705: a0:88:b4:45:2e:dc Adding AAA_ATT_CALLING_STATION_ID(31) index=1

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.706: a0:88:b4:45:2e:dc Adding AAA_ATT_CALLED_STATION_ID(30) index=2

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.706: a0:88:b4:45:2e:dc Adding AAA_ATT_NAS_PORT(5) index=3

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.706: a0:88:b4:45:2e:dc Adding AAA_ATT_INT_CISCO_AUDIT_SESSION_ID(7) index=4

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.706: a0:88:b4:45:2e:dc Adding AAA_ATT_NAS_IP_ADDRESS(4) index=5

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.706: a0:88:b4:45:2e:dc Adding AAA_ATT_NAS_IDENTIFIER(32) index=6

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.706: a0:88:b4:45:2e:dc Adding AAA_ATT_VAP_ID(1) index=7

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.706: a0:88:b4:45:2e:dc Adding AAA_ATT_SERVICE_TYPE(6) index=8

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.707: a0:88:b4:45:2e:dc Adding AAA_ATT_FRAMED_MTU(12) index=9

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.707: a0:88:b4:45:2e:dc Adding AAA_ATT_NAS_PORT_TYPE(61) index=10

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.707: a0:88:b4:45:2e:dc Adding AAA_ATT_TUNNEL_TYPE(64) index=11

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.707: a0:88:b4:45:2e:dc Adding AAA_ATT_TUNNEL_MEDIUM_TYPE(65) index=12

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.707: a0:88:b4:45:2e:dc Adding AAA_ATT_TUNNEL_GROUP_ID(81) index=13

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.707: a0:88:b4:45:2e:dc Adding AAA_ATT_EAP_MESSAGE(79) index=14

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.707: a0:88:b4:45:2e:dc Adding AAA_ATT_MESS_AUTH(80) index=15

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.707: a0:88:b4:45:2e:dc AAA EAP Packet created request = 0xc741364.. !!!!

*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.708: a0:88:b4:45:2e:dc Sending EAP Attribute (code=2, length=26, id=2) for mobile ffffffa0:ffffff88:ffffffb4:45:2e:ffffffdc
*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.708: 00000000: 02 02 00 1a 01 78 61 79  40 63 6f 72 70 2e 6e 6f  .....xay@corp.no
*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.708: 00000010: 76 6f 63 6f 72 70 2e 6e  65 74                    vocorp.net
*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.708: a0:88:b4:45:2e:dc [BE-req] Radius  EAP only  for WLAN 2.
*Dot1x_NW_MsgTask_0: Feb 20 06:38:01.708: a0:88:b4:45:2e:dc [BE-req] Sending auth request to 'RADIUS' (proto 0x140001)
*radiusTransportThread: Feb 20 06:38:05.220: 58:94:6b:06:1e:a8 [BE-resp] AAA response 'Timeout'
*radiusTransportThread: Feb 20 06:38:05.220: 58:94:6b:06:1e:a8 [BE-resp] AAA Response with invalid dot1x CB
*radiusTransportThread: Feb 20 06:38:05.220: 58:94:6b:06:1e:a8 [BE-resp] Unable to process response. Ignored
*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.495: 58:94:6b:06:1e:a8 Adding AAA_ATT_USER_NAME(1) index=0

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.495: 58:94:6b:06:1e:a8 Adding AAA_ATT_CALLING_STATION_ID(31) index=1

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.496: 58:94:6b:06:1e:a8 Adding AAA_ATT_CALLED_STATION_ID(30) index=2

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.496: 58:94:6b:06:1e:a8 Adding AAA_ATT_NAS_PORT(5) index=3

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.496: 58:94:6b:06:1e:a8 Adding AAA_ATT_INT_CISCO_AUDIT_SESSION_ID(7) index=4

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.496: 58:94:6b:06:1e:a8 Adding AAA_ATT_NAS_IP_ADDRESS(4) index=5

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.496: 58:94:6b:06:1e:a8 Adding AAA_ATT_NAS_IDENTIFIER(32) index=6

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.496: 58:94:6b:06:1e:a8 Adding AAA_ATT_VAP_ID(1) index=7

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.496: 58:94:6b:06:1e:a8 Adding AAA_ATT_SERVICE_TYPE(6) index=8

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.496: 58:94:6b:06:1e:a8 Adding AAA_ATT_FRAMED_MTU(12) index=9

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.497: 58:94:6b:06:1e:a8 Adding AAA_ATT_NAS_PORT_TYPE(61) index=10

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.497: 58:94:6b:06:1e:a8 Adding AAA_ATT_TUNNEL_TYPE(64) index=11

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.497: 58:94:6b:06:1e:a8 Adding AAA_ATT_TUNNEL_MEDIUM_TYPE(65) index=12

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.497: 58:94:6b:06:1e:a8 Adding AAA_ATT_TUNNEL_GROUP_ID(81) index=13

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.497: 58:94:6b:06:1e:a8 Adding AAA_ATT_EAP_MESSAGE(79) index=14

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.497: 58:94:6b:06:1e:a8 Adding AAA_ATT_MESS_AUTH(80) index=15

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.497: 58:94:6b:06:1e:a8 AAA EAP Packet created request = 0xc04901c.. !!!!

*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.498: 58:94:6b:06:1e:a8 Sending EAP Attribute (code=2, length=27, id=2) for mobile 58:ffffff94:6b:06:1e:ffffffa8
*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.498: 00000000: 02 02 00 1b 01 71 6f 77  75 40 63 6f 72 70 2e 6e  .....qowu@corp.n
*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.498: 00000010: 6f 76 6f 63 6f 72 70 2e  6e 65 74                 ovocorp.net
*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.498: 58:94:6b:06:1e:a8 [BE-req] Radius  EAP only  for WLAN 2.
*Dot1x_NW_MsgTask_0: Feb 20 06:38:05.498: 58:94:6b:06:1e:a8 [BE-req] Sending auth request to 'RADIUS' (proto 0x140001)
*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.545: 00:21:5c:81:a9:69 Adding AAA_ATT_USER_NAME(1) index=0

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.545: 00:21:5c:81:a9:69 Adding AAA_ATT_CALLING_STATION_ID(31) index=1

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.545: 00:21:5c:81:a9:69 Adding AAA_ATT_CALLED_STATION_ID(30) index=2

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.545: 00:21:5c:81:a9:69 Adding AAA_ATT_NAS_PORT(5) index=3

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.545: 00:21:5c:81:a9:69 Adding AAA_ATT_INT_CISCO_AUDIT_SESSION_ID(7) index=4

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.546: 00:21:5c:81:a9:69 Adding AAA_ATT_NAS_IP_ADDRESS(4) index=5

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.546: 00:21:5c:81:a9:69 Adding AAA_ATT_NAS_IDENTIFIER(32) index=6

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.546: 00:21:5c:81:a9:69 Adding AAA_ATT_VAP_ID(1) index=7

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.546: 00:21:5c:81:a9:69 Adding AAA_ATT_SERVICE_TYPE(6) index=8

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.546: 00:21:5c:81:a9:69 Adding AAA_ATT_FRAMED_MTU(12) index=9

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.546: 00:21:5c:81:a9:69 Adding AAA_ATT_NAS_PORT_TYPE(61) index=10

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.546: 00:21:5c:81:a9:69 Adding AAA_ATT_TUNNEL_TYPE(64) index=11

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.546: 00:21:5c:81:a9:69 Adding AAA_ATT_TUNNEL_MEDIUM_TYPE(65) index=12

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.547: 00:21:5c:81:a9:69 Adding AAA_ATT_TUNNEL_GROUP_ID(81) index=13

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.547: 00:21:5c:81:a9:69 Adding AAA_ATT_EAP_MESSAGE(79) index=14

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.547: 00:21:5c:81:a9:69 Adding AAA_ATT_MESS_AUTH(80) index=15

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.547: 00:21:5c:81:a9:69 AAA EAP Packet created request = 0xc06d164.. !!!!

*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.547: 00:21:5c:81:a9:69 Sending EAP Attribute (code=2, length=27, id=2) for mobile 00:21:5c:ffffff81:ffffffa9:69
*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.547: 00000000: 02 02 00 1b 01 62 69 68  75 40 63 6f 72 70 2e 6e  .....bihu@corp.n
*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.547: 00000010: 6f 76 6f 63 6f 72 70 2e  6e 65 74                 ovocorp.net
*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.548: 00:21:5c:81:a9:69 [BE-req] Radius  EAP only  for WLAN 2.
*Dot1x_NW_MsgTask_0: Feb 20 06:38:12.548: 00:21:5c:81:a9:69 [BE-req] Sending auth request to 'RADIUS' (proto 0x140001)
*radiusTransportThread: Feb 20 06:38:15.463: 00:21:5c:81:a9:69 [BE-resp] AAA response 'Timeout'
*radiusTransportThread: Feb 20 06:38:15.463: 00:21:5c:81:a9:69 [BE-req] Radius  EAP only  for WLAN 2.
*radiusTransportThread: Feb 20 06:38:15.463: 00:21:5c:81:a9:69 [BE-req] Attempted all backends. No more fallbacks to try
*radiusTransportThread: Feb 20 06:38:15.463: 00:21:5c:81:a9:69 [BE-resp] Requeue failed. Returning AAA response
*radiusTransportThread: Feb 20 06:38:15.463: 00:21:5c:81:a9:69 AAA Message 'Timeout' received for mobile 00:21:5c:81:a9:69
*radiusTransportThread: Feb 20 06:38:15.463: 00:21:5c:81:a9:69 Filtering AAA Response with invalid Session ID - proxy state 00:21:5c:81:a9:69-22:00
*radiusTransportThread: Feb 20 06:38:17.017: 00:21:5c:81:a9:69 [BE-resp] AAA response 'Timeout'
*radiusTransportThread: Feb 20 06:38:17.017: 00:21:5c:81:a9:69 [BE-req] Radius  EAP only  for WLAN 2.
*radiusTransportThread: Feb 20 06:38:17.017: 00:21:5c:81:a9:69 [BE-req] Sending auth request to 'RADIUS' (proto 0x140001)
*radiusTransportThread: Feb 20 06:38:17.017: 00:21:5c:81:a9:69 [BE-resp] AAA request requeued OK
*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.123: 08:11:96:8a:e3:e8 Adding AAA_ATT_USER_NAME(1) index=0

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.124: 08:11:96:8a:e3:e8 Adding AAA_ATT_CALLING_STATION_ID(31) index=1

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.124: 08:11:96:8a:e3:e8 Adding AAA_ATT_CALLED_STATION_ID(30) index=2

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.124: 08:11:96:8a:e3:e8 Adding AAA_ATT_NAS_PORT(5) index=3

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.124: 08:11:96:8a:e3:e8 Adding AAA_ATT_INT_CISCO_AUDIT_SESSION_ID(7) index=4

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.124: 08:11:96:8a:e3:e8 Adding AAA_ATT_NAS_IP_ADDRESS(4) index=5

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.124: 08:11:96:8a:e3:e8 Adding AAA_ATT_NAS_IDENTIFIER(32) index=6

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.124: 08:11:96:8a:e3:e8 Adding AAA_ATT_VAP_ID(1) index=7

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.125: 08:11:96:8a:e3:e8 Adding AAA_ATT_SERVICE_TYPE(6) index=8

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.125: 08:11:96:8a:e3:e8 Adding AAA_ATT_FRAMED_MTU(12) index=9

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.125: 08:11:96:8a:e3:e8 Adding AAA_ATT_NAS_PORT_TYPE(61) index=10

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.125: 08:11:96:8a:e3:e8 Adding AAA_ATT_TUNNEL_TYPE(64) index=11

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.125: 08:11:96:8a:e3:e8 Adding AAA_ATT_TUNNEL_MEDIUM_TYPE(65) index=12

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.125: 08:11:96:8a:e3:e8 Adding AAA_ATT_TUNNEL_GROUP_ID(81) index=13

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.125: 08:11:96:8a:e3:e8 Adding AAA_ATT_EAP_MESSAGE(79) index=14

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.126: 08:11:96:8a:e3:e8 Adding AAA_ATT_MESS_AUTH(80) index=15

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.126: 08:11:96:8a:e3:e8 AAA EAP Packet created request = 0xc18e57c.. !!!!

*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.126: 08:11:96:8a:e3:e8 Sending EAP Attribute (code=2, length=27, id=1) for mobile 08:11:ffffff96:ffffff8a:ffffffe3:ffffffe8
*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.126: 00000000: 02 01 00 1b 01 58 58 55  4c 40 63 6f 72 70 2e 6e  .....XXUL@corp.n
*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.126: 00000010: 6f 76 6f 63 6f 72 70 2e  6e 65 74                 ovocorp.net
*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.126: 08:11:96:8a:e3:e8 [BE-req] Radius  EAP only  for WLAN 2.
*Dot1x_NW_MsgTask_0: Feb 20 06:38:20.126: 08:11:96:8a:e3:e8 [BE-req] Sending auth request to 'RADIUS' (proto 0x140001)
*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.974: a0:88:b4:45:2e:dc Adding AAA_ATT_USER_NAME(1) index=0

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.974: a0:88:b4:45:2e:dc Adding AAA_ATT_CALLING_STATION_ID(31) index=1

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.975: a0:88:b4:45:2e:dc Adding AAA_ATT_CALLED_STATION_ID(30) index=2

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.975: a0:88:b4:45:2e:dc Adding AAA_ATT_NAS_PORT(5) index=3

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.975: a0:88:b4:45:2e:dc Adding AAA_ATT_INT_CISCO_AUDIT_SESSION_ID(7) index=4

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.975: a0:88:b4:45:2e:dc Adding AAA_ATT_NAS_IP_ADDRESS(4) index=5

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.975: a0:88:b4:45:2e:dc Adding AAA_ATT_NAS_IDENTIFIER(32) index=6

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.975: a0:88:b4:45:2e:dc Adding AAA_ATT_VAP_ID(1) index=7

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.975: a0:88:b4:45:2e:dc Adding AAA_ATT_SERVICE_TYPE(6) index=8

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.975: a0:88:b4:45:2e:dc Adding AAA_ATT_FRAMED_MTU(12) index=9

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.976: a0:88:b4:45:2e:dc Adding AAA_ATT_NAS_PORT_TYPE(61) index=10

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.976: a0:88:b4:45:2e:dc Adding AAA_ATT_TUNNEL_TYPE(64) index=11

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.976: a0:88:b4:45:2e:dc Adding AAA_ATT_TUNNEL_MEDIUM_TYPE(65) index=12

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.976: a0:88:b4:45:2e:dc Adding AAA_ATT_TUNNEL_GROUP_ID(81) index=13

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.976: a0:88:b4:45:2e:dc Adding AAA_ATT_EAP_MESSAGE(79) index=14

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.976: a0:88:b4:45:2e:dc Adding AAA_ATT_MESS_AUTH(80) index=15

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.976: a0:88:b4:45:2e:dc AAA EAP Packet created request = 0xc741364.. !!!!

*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.976: a0:88:b4:45:2e:dc Sending EAP Attribute (code=2, length=26, id=2) for mobile ffffffa0:ffffff88:ffffffb4:45:2e:ffffffdc
*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.977: 00000000: 02 02 00 1a 01 78 61 79  40 63 6f 72 70 2e 6e 6f  .....xay@corp.no
*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.977: 00000010: 76 6f 63 6f 72 70 2e 6e  65 74                    vocorp.net
*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.977: a0:88:b4:45:2e:dc [BE-req] Radius  EAP only  for WLAN 2.
*Dot1x_NW_MsgTask_0: Feb 20 06:38:31.977: a0:88:b4:45:2e:dc [BE-req] Sending auth request to 'RADIUS' (proto 0x140001)
*radiusTransportThread: Feb 20 06:38:38.031: a0:88:b4:45:2e:dc [BE-resp] AAA response 'Timeout'
*radiusTransportThread: Feb 20 06:38:38.031: a0:88:b4:45:2e:dc [BE-req] Radius  EAP only  for WLAN 2.
*radiusTransportThread: Feb 20 06:38:38.031: a0:88:b4:45:2e:dc [BE-req] Attempted all backends. No more fallbacks to try
*radiusTransportThread: Feb 20 06:38:38.031: a0:88:b4:45:2e:dc [BE-resp] Requeue failed. Returning AAA response
*radiusTransportThread: Feb 20 06:38:38.031: a0:88:b4:45:2e:dc AAA Message 'Timeout' received for mobile a0:88:b4:45:2e:dc
*radiusTransportThread: Feb 20 06:38:38.031: a0:88:b4:45:2e:dc Filtering AAA Response with invalid Session ID - proxy state a0:88:b4:45:2e:dc-39:00
*radiusTransportThread: Feb 20 06:38:40.103: 58:94:6b:0a:1e:6c [BE-resp] AAA response 'Timeout'
*radiusTransportThread: Feb 20 06:38:40.103: 58:94:6b:0a:1e:6c [BE-req] Radius  EAP only  for WLAN 2.
*radiusTransportThread: Feb 20 06:38:40.103: 58:94:6b:0a:1e:6c [BE-req] Attempted all backends. No more fallbacks to try
*radiusTransportThread: Feb 20 06:38:40.103: 58:94:6b:0a:1e:6c [BE-resp] Requeue failed. Returning AAA response
*radiusTransportThread: Feb 20 06:38:40.104: 58:94:6b:0a:1e:6c AAA Message 'Timeout' received for mobile 58:94:6b:0a:1e:6c
*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.719: 00:21:5c:81:a9:69 Adding AAA_ATT_USER_NAME(1) index=0

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.719: 00:21:5c:81:a9:69 Adding AAA_ATT_CALLING_STATION_ID(31) index=1

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.719: 00:21:5c:81:a9:69 Adding AAA_ATT_CALLED_STATION_ID(30) index=2

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.719: 00:21:5c:81:a9:69 Adding AAA_ATT_NAS_PORT(5) index=3

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.719: 00:21:5c:81:a9:69 Adding AAA_ATT_INT_CISCO_AUDIT_SESSION_ID(7) index=4

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.719: 00:21:5c:81:a9:69 Adding AAA_ATT_NAS_IP_ADDRESS(4) index=5

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.720: 00:21:5c:81:a9:69 Adding AAA_ATT_NAS_IDENTIFIER(32) index=6

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.720: 00:21:5c:81:a9:69 Adding AAA_ATT_VAP_ID(1) index=7

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.720: 00:21:5c:81:a9:69 Adding AAA_ATT_SERVICE_TYPE(6) index=8

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.720: 00:21:5c:81:a9:69 Adding AAA_ATT_FRAMED_MTU(12) index=9

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.720: 00:21:5c:81:a9:69 Adding AAA_ATT_NAS_PORT_TYPE(61) index=10

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.720: 00:21:5c:81:a9:69 Adding AAA_ATT_TUNNEL_TYPE(64) index=11

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.720: 00:21:5c:81:a9:69 Adding AAA_ATT_TUNNEL_MEDIUM_TYPE(65) index=12

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.720: 00:21:5c:81:a9:69 Adding AAA_ATT_TUNNEL_GROUP_ID(81) index=13

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.721: 00:21:5c:81:a9:69 Adding AAA_ATT_EAP_MESSAGE(79) index=14

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.721: 00:21:5c:81:a9:69 Adding AAA_ATT_MESS_AUTH(80) index=15

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.721: 00:21:5c:81:a9:69 AAA EAP Packet created request = 0xc04901c.. !!!!

*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.721: 00:21:5c:81:a9:69 Sending EAP Attribute (code=2, length=27, id=2) for mobile 00:21:5c:ffffff81:ffffffa9:69
*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.721: 00000000: 02 02 00 1b 01 62 69 68  75 40 63 6f 72 70 2e 6e  .....bihu@corp.n
*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.721: 00000010: 6f 76 6f 63 6f 72 70 2e  6e 65 74                 ovocorp.net
*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.722: 00:21:5c:81:a9:69 [BE-req] Radius  EAP only  for WLAN 2.
*Dot1x_NW_MsgTask_0: Feb 20 06:38:42.722: 00:21:5c:81:a9:69 [BE-req] Sending auth request to 'RADIUS' (proto 0x140001)
*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.915: 58:94:6b:06:1e:a8 Adding AAA_ATT_USER_NAME(1) index=0

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.916: 58:94:6b:06:1e:a8 Adding AAA_ATT_CALLING_STATION_ID(31) index=1

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.916: 58:94:6b:06:1e:a8 Adding AAA_ATT_CALLED_STATION_ID(30) index=2

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.916: 58:94:6b:06:1e:a8 Adding AAA_ATT_NAS_PORT(5) index=3

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.916: 58:94:6b:06:1e:a8 Adding AAA_ATT_INT_CISCO_AUDIT_SESSION_ID(7) index=4

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.916: 58:94:6b:06:1e:a8 Adding AAA_ATT_NAS_IP_ADDRESS(4) index=5

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.916: 58:94:6b:06:1e:a8 Adding AAA_ATT_NAS_IDENTIFIER(32) index=6

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.916: 58:94:6b:06:1e:a8 Adding AAA_ATT_VAP_ID(1) index=7

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.917: 58:94:6b:06:1e:a8 Adding AAA_ATT_SERVICE_TYPE(6) index=8

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.917: 58:94:6b:06:1e:a8 Adding AAA_ATT_FRAMED_MTU(12) index=9

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.917: 58:94:6b:06:1e:a8 Adding AAA_ATT_NAS_PORT_TYPE(61) index=10

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.917: 58:94:6b:06:1e:a8 Adding AAA_ATT_TUNNEL_TYPE(64) index=11

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.917: 58:94:6b:06:1e:a8 Adding AAA_ATT_TUNNEL_MEDIUM_TYPE(65) index=12

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.917: 58:94:6b:06:1e:a8 Adding AAA_ATT_TUNNEL_GROUP_ID(81) index=13

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.917: 58:94:6b:06:1e:a8 Adding AAA_ATT_EAP_MESSAGE(79) index=14

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.917: 58:94:6b:06:1e:a8 Adding AAA_ATT_MESS_AUTH(80) index=15

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.918: 58:94:6b:06:1e:a8 AAA EAP Packet created request = 0xc06d164.. !!!!

*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.918: 58:94:6b:06:1e:a8 Sending EAP Attribute (code=2, length=27, id=2) for mobile 58:ffffff94:6b:06:1e:ffffffa8
*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.918: 00000000: 02 02 00 1b 01 71 6f 77  75 40 63 6f 72 70 2e 6e  .....qowu@corp.n
*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.918: 00000010: 6f 76 6f 63 6f 72 70 2e  6e 65 74                 ovocorp.net
*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.918: 58:94:6b:06:1e:a8 [BE-req] Radius  EAP only  for WLAN 2.
*Dot1x_NW_MsgTask_0: Feb 20 06:38:43.918: 58:94:6b:06:1e:a8 [BE-req] Sending auth request to 'RADIUS' (proto 0x140001)
*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.220: 08:11:96:8a:e3:e8 Adding AAA_ATT_USER_NAME(1) index=0

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.220: 08:11:96:8a:e3:e8 Adding AAA_ATT_CALLING_STATION_ID(31) index=1

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.220: 08:11:96:8a:e3:e8 Adding AAA_ATT_CALLED_STATION_ID(30) index=2

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.220: 08:11:96:8a:e3:e8 Adding AAA_ATT_NAS_PORT(5) index=3

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.221: 08:11:96:8a:e3:e8 Adding AAA_ATT_INT_CISCO_AUDIT_SESSION_ID(7) index=4

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.221: 08:11:96:8a:e3:e8 Adding AAA_ATT_NAS_IP_ADDRESS(4) index=5

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.221: 08:11:96:8a:e3:e8 Adding AAA_ATT_NAS_IDENTIFIER(32) index=6

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.221: 08:11:96:8a:e3:e8 Adding AAA_ATT_VAP_ID(1) index=7

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.221: 08:11:96:8a:e3:e8 Adding AAA_ATT_SERVICE_TYPE(6) index=8

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.221: 08:11:96:8a:e3:e8 Adding AAA_ATT_FRAMED_MTU(12) index=9

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.221: 08:11:96:8a:e3:e8 Adding AAA_ATT_NAS_PORT_TYPE(61) index=10

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.221: 08:11:96:8a:e3:e8 Adding AAA_ATT_TUNNEL_TYPE(64) index=11

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.222: 08:11:96:8a:e3:e8 Adding AAA_ATT_TUNNEL_MEDIUM_TYPE(65) index=12

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.222: 08:11:96:8a:e3:e8 Adding AAA_ATT_TUNNEL_GROUP_ID(81) index=13

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.222: 08:11:96:8a:e3:e8 Adding AAA_ATT_EAP_MESSAGE(79) index=14

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.222: 08:11:96:8a:e3:e8 Adding AAA_ATT_MESS_AUTH(80) index=15

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.222: 08:11:96:8a:e3:e8 AAA EAP Packet created request = 0xc18e57c.. !!!!

*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.222: 08:11:96:8a:e3:e8 Sending EAP Attribute (code=2, length=27, id=3) for mobile 08:11:ffffff96:ffffff8a:ffffffe3:ffffffe8
*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.222: 00000000: 02 03 00 1b 01 58 58 55  4c 40 63 6f 72 70 2e 6e  .....XXUL@corp.n
*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.223: 00000010: 6f 76 6f 63 6f 72 70 2e  6e 65 74                 ovocorp.net
*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.223: 08:11:96:8a:e3:e8 [BE-req] Radius  EAP only  for WLAN 2.
*Dot1x_NW_MsgTask_0: Feb 20 06:38:50.223: 08:11:96:8a:e3:e8 [BE-req] Attempted all backends. No more fallbacks to try
debug dot1x aaa enable                                                                      debug dot1x aaa disable

1 REPLY

Re: Client Authentication error

Yifan,

On your wlc's configured aaa radius authentication server, increase your timeout to 5 seconds.

Also, make sure you have your wlc configured as a radius client on your aaa server. The wlc management ip is the one you should use. Copy and re-paste the radius shared secret back into the wlc and the aaa server to make sure there's not a mismatch due to typo.

If that does not fix your issue, please post logs from your aaa server.

Justin

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