思科AP AIR-AP1832I-H-K9 指示灯一直 红橙绿 红橙绿 交替闪烁 ap 无法上线。请教大家一下有啥解决办法。

[3284575748]

[*01/21/2021 18:53:43.6408] Discovery Request sent to 192.168.20.254, discovery type STATIC_CONFIG(1)
[*01/21/2021 18:53:43.6408] Discovery Request sent to 10.3.101.9, discovery type DHCP(2)
[*01/21/2021 18:53:43.6408] Discovery Request sent to 192.168.32.1, discovery type DNS(3)
[*01/21/2021 18:53:43.6508] Discovery Request sent to 255.255.255.255, discovery type UNKNOWN(0)
[*01/21/2021 18:53:43.6508] Discovery Response from 192.168.20.254
[*01/21/2021 18:53:43.6508] Discovery response from MWAR ''running version 0.0.0.0 is rejected.
[*01/21/2021 18:53:43.6508] Failed to decode discovery response.
[*01/21/2021 18:53:43.6508] CAPWAP SM handler: Failed to process message type 2 state 2.
[*01/21/2021 18:53:43.6508] Failed to handle capwap control message from controller - status 4
[*01/21/2021 18:53:43.6508] Failed to process unencrypted capwap packet 0x27d4000 from 192.168.20.254
[*01/21/2021 18:53:43.6508] Failed to send message to CAPWAP state machine, msgId 0
[*01/21/2021 18:53:43.6508] Failed to send capwap message 0 to the state machine. Packet already freed.
[*01/21/2021 18:53:43.6508] IPv4 wtpProcessPacketFromSocket returned 4
[*01/21/2021 18:53:43.6508] Discovery Response from 192.168.20.254
[*01/21/2021 18:53:43.6508] Discovery response from MWAR ''running version 0.0.0.0 is rejected.
[*01/21/2021 18:53:43.6508] Failed to decode discovery response.
[*01/21/2021 18:53:43.6508] CAPWAP SM handler: Failed to process message type 2 state 2.
[*01/21/2021 18:53:43.6508] Failed to handle capwap control message from controller - status 4
[*01/21/2021 18:53:43.6508] Failed to process unencrypted capwap packet 0x27fb000 from 192.168.20.254
[*01/21/2021 18:53:43.6508] Failed to send message to CAPWAP state machine, msgId 0
[*01/21/2021 18:53:43.6508] Failed to send capwap message 0 to the state machine. Packet already freed.
[*01/21/2021 18:53:43.6508] IPv4 wtpProcessPacketFromSocket returned 4
[*01/21/2021 18:53:43.6508] Discovery Response from 10.3.101.9
[*01/21/2021 18:53:43.6508] Discovery response from MWAR ''running version 0.0.0.0 is rejected.
[*01/21/2021 18:53:43.6508] Failed to decode discovery response.
[*01/21/2021 18:53:43.6508] CAPWAP SM handler: Failed to process message type 2 state 2.
[*01/21/2021 18:53:43.6508] Failed to handle capwap control message from controller - status 4
[*01/21/2021 18:53:43.6508] Failed to process unencrypted capwap packet 0x27fd000 from 10.3.101.9
[*01/21/2021 18:53:43.6508] Failed to send message to CAPWAP state machine, msgId 0
[*01/21/2021 18:53:43.6508] Failed to send capwap message 0 to the state machine. Packet already freed.
[*01/21/2021 18:53:43.6508] IPv4 wtpProcessPacketFromSocket returned 4
[*01/21/2021 18:53:43.6508] Discovery Response from 192.168.20.254
[*01/21/2021 18:53:43.6508] Discovery response from MWAR ''running version 0.0.0.0 is rejected.
[*01/21/2021 18:53:43.6508] Failed to decode discovery response.
[*01/21/2021 18:53:43.6508] CAPWAP SM handler: Failed to process message type 2 state 2.
[*01/21/2021 18:53:43.6508] Failed to handle capwap control message from controller - status 4
[*01/21/2021 18:53:43.6508] Failed to process unencrypted capwap packet 0x27d2000 from 192.168.20.254
[*01/21/2021 18:53:43.6508] Failed to send message to CAPWAP state machine, msgId 0
[*01/21/2021 18:53:43.6508] Failed to send capwap message 0 to the state machine. Packet already freed.
[*01/21/2021 18:53:43.6508] IPv4 wtpProcessPacketFromSocket returned 4
[*01/21/2021 18:53:43.6608] Discovery Response from 192.168.32.1
[*01/21/2021 18:53:43.6608] Discovery response from MWAR ''running version 0.0.0.0 is rejected.
[*01/21/2021 18:53:43.6608] Failed to decode discovery response.
[*01/21/2021 18:53:43.6608] CAPWAP SM handler: Failed to process message type 2 state 2.
[*01/21/2021 18:53:43.6608] Failed to handle capwap control message from controller - status 4
[*01/21/2021 18:53:43.6608] Failed to process unencrypted capwap packet 0x2802000 from 192.168.32.1
[*01/21/2021 18:53:43.6608] Failed to send message to CAPWAP state machine, msgId 0
[*01/21/2021 18:53:43.6608] Failed to send capwap message 0 to the state machine. Packet already freed.
[*01/21/2021 18:53:43.6608] IPv4 wtpProcessPacketFromSocket returned 4
[*01/21/2021 18:53:49.5689]
[*01/21/2021 18:53:49.5689] !!!!! {watchdogd} Process wcpd gone for 180s
[*01/21/2021 18:53:53.1478]

[ilay]

看下控制器的型号、软件版本，和ap的软件版本吧，有可能不匹配导致无法注册

[Rps-Cheers]

Discovery response from MWAR ''running version 0.0.0.0 is rejected.

根据报错信息，看起来大概和AP radio有关系，无法处理来自控制器的 capwap 控制消息，可以看看是否AP的radio有问题，如果是的话，可以进行维修或更换。