There is a WLAN controller 4400 which controls the access points. There is a collapse of all access points from 00:00 to 00:12.
The link is working properly, no problems with the AC, the point is not restarted.
Logging
1. May 24 2010 00:01:08 CAPWAP 3 ECHO_ERR capwap_ac_sm.c:5116 Did not receive heartbeat reply; AP: 00:3a:98:5e:f7:80 *
2. May 24 2010 00:02:38 CAPWAP 3 ECHO_ERR capwap_ac_sm.c:5116 Did not receive heartbeat reply; AP: 00:26:ca:b7:ce:30 *
3. May 24 2010 00:02:49 DOT1X 3 ABORT_AUTH 1x_bauth_sm.c:447 Authentication aborted for client 00:15:70:f1:e4:b4 *
4. May 24 2010 00:03:07 APF 3 INVALID_RADIO_TYPE apf_api.c:27324 Invalid radio type 255 received. *
5. May 24 2010 00:06:50 APF 3 INVALID_RADIO_TYPE apf_api.c:27324 Invalid radio type 255 received. *
6. May 24 2010 00:06:50 APF 3 INVALID_RADIO_TYPE apf_api.c:27337 Invalid radio type 255 received. *
7. May 24 2010 00:06:50 APF 3 INVALID_RADIO_TYPE apf_api.c:27324 Invalid radio type 255 received. *
8. May 24 2010 00:06:50 APF 3 INVALID_RADIO_TYPE apf_api.c:27337 Invalid radio type 255 received. *
9. May 24 2010 00:07:03 APF 3 INVALID_RADIO_TYPE apf_api.c:27324 Invalid radio type 255 received. *
10. May 24 2010 00:07:03 APF 3 INVALID_RADIO_TYPE apf_api.c:27337 Invalid radio type 255 received. *
11. May 24 2010 00:07:10 APF 3 INVALID_RADIO_TYPE apf_api.c:27324 Invalid radio type 255 received. *
12. May 24 2010 00:07:10 APF 3 INVALID_RADIO_TYPE apf_api.c:27337 Invalid radio type 255 received.
