分享一个最近遇到过的一个无线故障案例:
故障描述:
AP型号 :2802i
故障:AP可以正常 join 到 WLC。 但是一旦AP进入RUN状态,AP就会将重启、重启、重启............
报错如下:[*05/16/2018 11:16:31.1170] CAPWAP HW tunnel params changed, DELETING the existing
[*05/16/2018 11:16:32.1731] HW CAPWAP tunnel is ADDED
[*05/16/2018 11:16:32.4616] Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: Configure(8).
[*05/16/2018 11:16:32.4617] Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: Configure(8).
[*05/16/2018 11:16:32.4619] Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: Configure(8).
[*05/16/2018 11:16:32.5192] DOT11_DRV[0]: set_channel Channel set to 1
[*05/16/2018 11:16:34.5278] DOT11_DRV[1]: set_channel Channel set to 36
[*05/16/2018 11:16:35.6644] CAPWAP State: Run
[*05/16/2018 11:16:35.6952] CAPWAP HW tunnel params changed, UPDATING the existing
[*05/16/2018 11:16:35.7631] AP has joined controller HQ-MDF-WIFI
[*05/16/2018 11:16:35.7698] Re-Tx Count=1, Max Re-Tx Value=5, SendSeqNum=8, NumofPendingMsgs=5
[*05/16/2018 11:16:36.2283] save_on_failure is set to 1
经过详细的检查:
1.AP IOS 版本匹配
2. WLC license数量正确
3.供电正常
4.测试了几台AP,应该不是AP硬件问题,
然后查软件相关的问题,谷歌后找到故障原来是一个bug导致 8.3(140.0)版本存在
后面通过升级IOS 来解决这个bug, 希望对遇到这个故障的朋友有帮助!