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AP can't join. DTLS connection closed by controller

Saman Shamim
Level 1
Level 1

Hi guys,

1140 APs don't register with the 5508 controller. Here are some debug outputs:

AP's IP: 100.31

WLC's IP:100.2

debug capwap events enable

*spamApTask1: Nov 01 11:25:04.958: 30:e4:db:d3:a4:ca Discovery Request from 192.168.100.31:47690

*spamApTask1: Nov 01 11:25:04.958: 30:e4:db:d3:a4:ca Join Priority Processing status = 0, Incoming Ap's Priority 1, MaxLrads = 100, joined Aps =0

*spamApTask1: Nov 01 11:25:04.958: 30:e4:db:d3:a4:ca Discovery Response sent to 192.168.100.31:47690

*spamApTask1: Nov 01 11:25:04.958: 30:e4:db:d3:a4:ca Discovery Response sent to 192.168.100.31:47690

*spamApTask1: Nov 01 11:25:14.959: 30:e4:db:d3:a4:ca DTLS connection not found, creating new connection for 192:168:100:31 (47690) 192:168:100:2 (5246)

*spamApTask1: Nov 01 11:25:15.101: 30:e4:db:d3:a4:ca DTLS connection closed event receivedserver (192:168:100:2/5246) client (192:168:100:31/47690)

*spamApTask1: Nov 01 11:25:15.101: 30:e4:db:d3:a4:ca No entry exists for AP (192:168:100:31/47690)

*spamApTask1: Nov 01 11:25:15.101: 30:e4:db:d3:a4:ca No AP entry exist in temporary database for 192.168.100.31:47690

**************************************************************

debug capwap packet enable

>*spamApTask1: Nov 01 11:36:20.039: <<<<  Start of CAPWAP Packet  >>>>

*spamApTask1: Nov 01 11:36:20.039: CAPWAP Control mesg Recd from 192.168.100.31, Port 47690

*spamApTask1: Nov 01 11:36:20.039:              HLEN 4,   Radio ID 0,    WBID 1

*spamApTask1: Nov 01 11:36:20.039:              Msg Type   :   CAPWAP_DISCOVERY_REQUEST

*spamApTask1: Nov 01 11:36:20.039:              Msg Length : 73

*spamApTask1: Nov 01 11:36:20.039:              Msg SeqNum : 0

*spamApTask1: Nov 01 11:36:20.039:

*spamApTask1: Nov 01 11:36:20.039:       Type : CAPWAP_MSGELE_DISCOVERY_TYPE, Length 1

*spamApTask1: Nov 01 11:36:20.039:              Discovery Type : CAPWAP_DISCOVERY_TYPE_UNKNOWN

*spamApTask1: Nov 01 11:36:20.039:

*spamApTask1: Nov 01 11:36:20.039:       Type : CAPWAP_MSGELE_WTP_DESCRIPTOR, Length 40

*spamApTask1: Nov 01 11:36:20.039:              Maximum Radios Supported  : 0

*spamApTask1: Nov 01 11:36:20.039:              Radios in Use             : 0

*spamApTask1: Nov 01 11:36:20.039:              Encryption Capabilities   : 0x00 0x01

*spamApTask1: Nov 01 11:36:20.039:

*spamApTask1: Nov 01 11:36:20.039:       Type : CAPWAP_MSGELE_WTP_FRAME_TUNNEL, Length 1

*spamApTask1: Nov 01 11:36:20.039:              WTP Frame Tunnel Mode : NATIVE_FRAME_TUNNEL_MODE

*spamApTask1: Nov 01 11:36:20.039:

*spamApTask1: Nov 01 11:36:20.039:       Type : CAPWAP_MSGELE_WTP_MAC_TYPE, Length 1

*spamApTask1: Nov 01 11:36:20.039:              WTP Mac Type  : SPLIT_MAC

*spamApTask1: Nov 01 11:36:20.039:

*spamApTask1: Nov 01 11:36:20.039:       Type : CAPWAP_MSGELE_VENDOR_SPECIFIC_PAYLOAD, Length 10

*spamApTask1: Nov 01 11:36:20.039:              Vendor Identifier  : 0x00409600

*spamApTask1: Nov 01 11:36:20.039:

        IE            :   UNKNOWN IE 207

*spamApTask1: Nov 01 11:36:20.039:      IE Length     :   4

*spamApTask1: Nov 01 11:36:20.039:      Decode routine not available, Printing Hex Dump

*spamApTask1: Nov 01 11:36:20.039: 00000000: 01 00 00 01                                       ....

*spamApTask1: Nov 01 11:36:20.039: <<<<  End of CAPWAP Packet  >>>>

**************************************************************

debug capwap errors enable

*spamApTask1: Nov 01 11:45:15.244: 30:e4:db:d3:a4:ca Deleting AP 192.168.100.31 which has not been plumbed

*spamApTask1: Nov 01 11:45:15.245: 30:e4:db:d3:a4:ca DTLS connection was closed

**************************************************************

debug capwap detail enable

*spamApTask1: Nov 01 11:52:45.298: 30:e4:db:d3:a4:ca CAPWAP Control Msg Received from 192.168.100.31:47690

*spamApTask1: Nov 01 11:52:45.298: 30:e4:db:d3:a4:ca DTLS connection 0x1454bc38 closed by controller

*spamApTask1: Nov 01 11:52:45.299: CAPWAP DTLS connection closed msg

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