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AP一直报错怎么排查

wlan接入

2024-01-16提问

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zhiliao_uEqPRI

zhiliao_uEqPRI 二段

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问题描述：

一批AP在交换机统一上线，AP型号都一样，有四个AP在AC看日志一直报错不上线

三个AP报错如下

%Jan 16 05:01:52:917 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_FAILED: Failed to download image file wa6500a.ipe for AP 6c87-20d3-44c0.
%Jan 16 04:58:18:662 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_START: AP 6c87-20d3-44c0 started to download the image file wa6500a.ipe.
%Jan 16 04:51:07:917 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_FAILED: Failed to download image file wa6500a.ipe for AP 6c87-20d3-44c0.
%Jan 16 04:48:12:663 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_START: AP 6c87-20d3-44c0 started to download the image file wa6500a.ipe.
%Jan 16 04:44:20:527 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_FAILED: Failed to download image file wa6500a.ipe for AP 6c87-20d3-44c0.
%Jan 16 04:41:48:196 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_START: AP 6c87-20d3-44c0 started to download the image file wa6500a.ipe.
%Jan 16 04:33:31:927 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_FAILED: Failed to download image file wa6500a.ipe for AP 6c87-20d3-44c0.
%Jan 16 04:31:02:524 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_START: AP 6c87-20d3-44c0 started to download the image file wa6500a.ipe.
%Jan 16 04:26:00:757 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_FAILED: Failed to download image file wa6500a.ipe for AP 6c87-20d3-44c0.
%Jan 16 04:23:11:809 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_START: AP 6c87-20d3-44c0 started to download the image file wa6500a.ipe.
%Jan 16 04:14:54:807 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_FAILED: Failed to download image file wa6500a.ipe for AP 6c87-20d3-44c0.
%Jan 16 04:11:08:372 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_START: AP 6c87-20d3-44c0 started to download the image file wa6500a.ipe.
%Jan 16 04:03:42:787 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_FAILED: Failed to download image file wa6500a.ipe for AP 6c87-20d3-44c0

第四台报错如下

%Jan 16 05:02:42:088 2024 LS_BGW_vAC APMGR/6/APMGR_AP_OFFLINE: AP 6c87-20d3-44a0 went offline. State changed to Idle.
%Jan 16 05:02:42:087 2024 LS_BGW_vAC CWS/4/CWS_AP_DOWN: CAPWAP tunnel to AP 6c87-20d3-44a0 went down. Reason: Neighbor dead timer expired.
%Jan 16 05:00:17:081 2024 LS_BGW_vAC CWS/6/CWS_AP_UP: Master CAPWAP tunnel to AP 6c87-20d3-44a0 went up.
%Jan 16 05:00:17:081 2024 LS_BGW_vAC APMGR/6/APMGR_AP_ONLINE: AP 6c87-20d3-44a0 came online. State changed to Run.
%Jan 16 05:00:13:762 2024 LS_BGW_vAC APMGR/6/APMGR_AP_OFFLINE: AP 6c87-20d3-44a0 went offline. State changed to Idle.
%Jan 16 05:00:13:761 2024 LS_BGW_vAC CWS/4/CWS_AP_DOWN: CAPWAP tunnel to AP 6c87-20d3-44a0 went down. Reason: Processed join request in Run state.
%Jan 16 04:58:35:888 2024 LS_BGW_vAC CWS/6/CWS_AP_UP: Master CAPWAP tunnel to AP 6c87-20d3-44a0 went up.
%Jan 16 04:58:35:888 2024 LS_BGW_vAC APMGR/6/APMGR_AP_ONLINE: AP 6c87-20d3-44a0 came online. State changed to Run.
%Jan 16 04:54:57:158 2024 LS_BGW_vAC APMGR/6/APMGR_AP_OFFLINE: AP 6c87-20d3-44a0 went offline. State changed to Idle.
%Jan 16 04:54:57:157 2024 LS_BGW_vAC CWS/4/CWS_AP_DOWN: CAPWAP tunnel to AP 6c87-20d3-44a0 went down. Reason: Failed to retransmit message.
%Jan 16 04:49:04:949 2024 LS_BGW_vAC CWS/6/CWS_AP_UP: Master CAPWAP tunnel to AP 6c87-20d3-44a0 went up.
%Jan 16 04:49:04:949 2024 LS_BGW_vAC APMGR/6/APMGR_AP_ONLINE: AP 6c87-20d3-44a0 came online. State changed to Run.
%Jan 16 04:46:49:914 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_COMPLETE: Downloading the image file wa6500a.ipe for AP 6c87-20d3-44a0 through the CAPWAP tunnel is complete.
%Jan 16 04:03:43:988 2024 LS_BGW_vAC CWS/6/CWS_IMG_DOWNLOAD_START: LWAPP: AP 6c87-20d3-44a0 starts to download the image file wa6500a.ipe.

请问是什么原因，有什么解决方案