After the main AC failure is restored, the AP and Client are still connected to the standby AC and cannot automatically switch back to main AC.
The AP priority configured on the main AC is not 7
Set the AP priority configured on the main AC to 7 (maximum value) . To make sure the priority configured on the main AC is higher than the other standby ACs. The specific configuration is as follows:
[Sysname]wlan ap AP1 model WA2620E-AGN
[Sysname-wlan-ap-ap1]priority level 7