An AP restarts repeatedly or its IP address changes frequently

During an AP upgrade through FTP or SFTP, if the AP fails to establish a connection with an FTP or SFTP server, the CAPWAP module makes the AP restart.
In Layer 3 networking, if Option 60 or Option 43 is not configured on the DHCP server, an AP cannot obtain the AC's source IP address to establish a CAPWAP tunnel with the AC. As a result, the AP restarts and obtains IP addresses repeatedly.
You can run the reset ip pool { interface pool-name | name ip-pool-name } { start-ip-address [ end-ip-address ] | conflict } command to release a conflicting IP address.

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