Users experience brief wireless disconnects; AP logs show repeated "AP is down. Reason: Radio channel set." The client re-associates automatically. What reduces user impact?

Increasing the dynamic channel assignment (DCA) interval reduces the frequency of channel changes. The log message "AP is down. Reason: Radio channel set" indicates the AP is changing its radio channel, causing brief disconnects. By increasing the interval, DCA runs less often, leading to fewer channel changes and thus fewer disconnects for users. Enabling coverage hole detection helps identify areas with poor signal but doesn't prevent channel changes. Increasing the AP heartbeat timeout would make the controller wait longer before declaring an AP down, which isn't directly related to the cause of these disconnects. Enabling BandSelect (band steering) encourages clients to connect to the 5 GHz band but doesn't address the issue of frequent channel changes on either band.