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Cisco Bug: CSCul41898 - ap flaps due to CAPWAP-3-SPI_TUNNEL_CREATE_ACK_NOT_REC:

Last Modified

Nov 15, 2016

Products (1)

  • Cisco 5700 Series Wireless LAN Controllers

Known Affected Releases

15.0SID

Description (partial)

Symptom:
ap flaps due to CAPWAP-3-SPI_TUNNEL_CREATE_ACK_NOT_REC:

Conditions:
1. boot the 9m stack , and had only 5-6 ap's in the stack
2. noticed after the stack comes , the ap's also joined the stack, 
3. after some time
it seems continuously the AP's are flapping due to the below error,
"9m-stk#sh logging | inc 3cce.731e.9d50
*Nov 14 23:54:40.453: *%CAPWAP-3-SPI_TUNNEL_CREATE_ACK_NOT_REC: 1 wcm:  Dropping  discovery request from AP 3cce.731e.9d50 - SPI Tunnel Create Ack not received
*Nov 14 23:54:41.502: *%LOG-3-Q_IND: 1 wcm:  Dropping  discovery request from AP 3cce.731e.9d50 - SPI Tunnel Create Ack notreceived
*Nov 14 23:55:06.453: *%CAPWAP-3-SPI_TUNNEL_CREATE_ACK_NOT_REC: 1 wcm:  Dropping  discovery request from AP 3cce.731e.9d50 - SPI Tunnel Create Ack not received
*Nov 14 23:55:09.763: *%LOG-3-Q_IND: 1 wcm:  Dropping  discovery request from AP 3cce.731e.9d50 - SPI Tunnel Create Ack notreceived
*Nov 14 23:55:21.353: *%CAPWAP-3-ECHO_ERR: 1 wcm:  Did not receive heartbeat reply; AP: 3cce.731e.9d50
9m-stk#sh logg | re
"

in stack environment seeing the issue
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