We have 4 lightweight APs that are discovered by the WLC but cannot join. I'm just starting to troubleshoot and would appreciate assistance.
I debugged capwap on WLC and below is output:
(Cisco Controller) >debug capwap errors enable
(Cisco Controller) >*spamReceiveTask: Jan 10 07:49:48.891: 00:1a:30:2f:62:40 DTLS connection was closed
*spamReceiveTask: Jan 10 07:49:50.053: 00:1a:30:2f:62:40 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.107.40:46279)since DTLS session is not established
*spamReceiveTask: Jan 10 07:49:50.053: 00:1a:30:2f:62:40 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.107.40:46279)since DTLS session is not established
*spamReceiveTask: Jan 10 07:49:50.054: 00:1a:30:2f:62:40 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.107.40:46279)since DTLS session is not established
*spamReceiveTask: Jan 10 07:50:21.912: 00:1a:30:2d:d8:60 DTLS connection was closed
*spamReceiveTask: Jan 10 07:50:23.093: 00:1a:30:2d:d8:60 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.108.40:40180)since DTLS session is not established
*spamReceiveTask: Jan 10 07:50:23.093: 00:1a:30:2d:d8:60 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.108.40:40180)since DTLS session is not established
*spamReceiveTask: Jan 10 07:50:23.094: 00:1a:30:2d:d8:60 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.108.40:40180)since DTLS session is not established
*spamReceiveTask: Jan 10 07:50:38.097: 00:1a:6c:cb:4c:c6 Join Priority Processing status = 0, Incoming Ap's Priority 0, MaxLrads = 50,joined Aps =17
*spamReceiveTask: Jan 10 07:50:47.796: 00:1a:30:2d:d5:60 DTLS connection was closed
*spamReceiveTask: Jan 10 07:50:48.109: Could not find BoardDataPayload
*spamReceiveTask: Jan 10 07:50:48.121: 00:1a:6c:cb:4c:c6 LWAPP Join Request does not include valid certificate in CERTIFICATE_PAYLOAD from AP 00:1a:6c:cb:4c:c6.
*spamReceiveTask: Jan 10 07:50:48.121: 00:1a:6c:cb:4c:c6 Unable to free public key for AP 00:1a:6c:cb:4c:c6
*spamReceiveTask: Jan 10 07:50:48.121: 00:1a:6c:cb:4c:c6 Decoding Join Request failed for AP 00:1a:6c:cb:4c:c6
*spamReceiveTask: Jan 10 07:50:48.971: 00:1a:30:2d:d5:60 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.160.159:40174)since DTLS session is not established
*spamReceiveTask: Jan 10 07:50:48.971: 00:1a:30:2d:d5:60 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.160.159:40174)since DTLS session is not established
*spamReceiveTask: Jan 10 07:50:48.972: 00:1a:30:2d:d5:60 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.160.159:40174)since DTLS session is not established
*spamReceiveTask: Jan 10 07:51:04.081: 00:1a:30:2f:62:40 DTLS connection was closed
*spamReceiveTask: Jan 10 07:51:05.247: 00:1a:30:2f:62:40 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.107.40:46280)since DTLS session is not established
*spamReceiveTask: Jan 10 07:51:05.247: 00:1a:30:2f:62:40 Discarding non-ClientHello Handshake OR DTLS encrypted packet from 10.100.107.40:46280)since DTLS session is not established
