1 Wi-Fi client connected to AP with 'Isolate Clients' Enabled and another client to AP with it Disabled, they can communicate with each other

Both AP uses same Interface.

This doesn't seem right

WiFi client isolation only works with the same ap (and radio). If you have multiple APs, it will not isolate between the clients.


If you need isolation between two clients on different SSIDs, or between a wireless client and a wired client, you need to isolate them on the bridge created by OpenWrt, using "ebtables".