ASUS - ZenTalk

I have a mesh system with an Expert WiFi EBR63, one EBP15 and one EBR63 (connected to the EBP15)And every once in a while wireless devices shows up as wired. It also means they are unresponsive and I have to reboot the system. The problem seems to be...

My current aimesh has a RT-ax86u as main router and a Rt-ac68u as a node.I would like to replace the main router with an ExpertWiFi EBR63 and use the RT-ax86u as a node.Is it possible to do this without having to reconnect every device? And if, how t...