Does the network cable plug-in the port properly.
Does the network cable have a good qualify?
Does someone touch the network cable or turn off the APs?
Check the PoE status of switch. Does the PoE SW power off the port?
Does AP reboot?
If AP has rebooted, the AP system uptime will shorter than
controller system uptime.
Figure 78 Tera Term > AP > Router > show system uptime
Note: If AP off-line isn’t caused by external factors, please collect the logs.
6 Information collection and report the issue to the HQ.
Capture the related logs file from controller and managed AP.
Collect log files of controller by GUI
Capture the entire category to provide RD completed information.
Figure 79 MAINTENANCE > Diagnostics > Diagnostics > Collect on Controller
> Collect Now.
Note: Capture the logs need to spend some time, please kindly wait.
Collect log files of managed AP by controller GUI
Select the managed AP to the Collected APs.
Figure 80 MAINTENANCE > Diagnostics > Diagnostics > Collect on AP >
Collect Now.
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