思科2802I 总掉线 过段时间又恢复 发现log如下 不知道什么原因 帮忙看看

[nexusNXOS57758]

*06/09/2021 02:55:48.3552]
[*06/09/2021 02:55:51.2061] Re-Tx Count=13, Max Re-Tx Value=5, NumofPendingMsgs=11
[*06/09/2021 02:55:51.2061]
[*06/09/2021 02:55:54.0569] Re-Tx Count=14, Max Re-Tx Value=5, NumofPendingMsgs=11
[*06/09/2021 02:55:54.0569]
[*06/09/2021 02:55:56.9078] Re-Tx Count=15, Max Re-Tx Value=5, NumofPendingMsgs=12
[*06/09/2021 02:55:56.9078]
[*06/09/2021 02:55:59.7586] Re-Tx Count=16, Max Re-Tx Value=5, NumofPendingMsgs=13
[*06/09/2021 02:55:59.7586]
[*06/09/2021 02:55:59.7586] Max retransmission count exceeded, going back to DISCOVER mode.
[*06/09/2021 02:55:59.7590] GOING BACK TO DISCOVER MODE
[*06/09/2021 02:55:59.7596]
[*06/09/2021 02:55:59.7596] CAPWAP State: DTLS Teardown
[*06/09/2021 02:56:05.4641] Stopped Radio 0
[*06/09/2021 02:56:05.4736] Stopped Radio 1
[*06/09/2021 02:56:05.4829]
[*06/09/2021 02:56:05.4829] CAPWAP State: Discovery
[*06/09/2021 02:56:05.4833] Got WLC address 10.6.2.250 from DHCP.
[*06/09/2021 02:56:05.4865] Discovery Request sent to 10.6.2.250, discovery type STATIC_CONFIG(1)
[*06/09/2021 02:56:05.4874] Discovery Request sent to 255.255.255.255, discovery type UNKNOWN(0)
[*06/09/2021 02:56:05.4895] Discovery Response from 10.6.2.250
[*06/09/2021 02:56:15.0000]
[*06/09/2021 02:56:15.0000] CAPWAP State: DTLS Setup
[*06/09/2021 02:56:53.7234] Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: DTLS Setup(3).
[*06/09/2021 02:57:12.0160] dtls_disconnect: ERROR shutting down dtls connection ...
[*06/09/2021 02:57:12.0160]
[*06/09/2021 02:57:12.0162]
[*06/09/2021 02:57:12.0162] CAPWAP State: DTLS Teardown
[*06/09/2021 02:57:16.7708]
[*06/09/2021 02:57:16.7708] CAPWAP State: Discovery
[*06/09/2021 02:57:16.7712] Got WLC address 10.6.2.250 from DHCP.
[*06/09/2021 02:57:16.7754] Discovery Request sent to 10.6.2.250, discovery type STATIC_CONFIG(1)
[*06/09/2021 02:57:16.7763] Discovery Request sent to 255.255.255.255, discovery type UNKNOWN(0)
[*06/09/2021 02:57:16.7968] Discovery Response from 10.6.2.250
[*06/09/2021 02:57:26.0000]
[*06/09/2021 02:57:26.0

[Rps-Cheers]

请问AP是否为FlexConnect模式？

看样子是Max retransmission count exceeded, going back to DISCOVER mode

AP和WLC之间的链路是否稳定，延迟情况如何？

[nexusNXOS57758]

感觉和物理链路无关，换个AP就没问题了，ping一直通

[Rps-Cheers]

如果说换了AP就OK，那建议可以看一下故障AP本身，例如其物理接口，AP实际的状态等。