A weird thing started happening with my DSL-AC68U AIMesh node. I rebooted my main router (RT-AX86U) and then the node connected to it on 2.4 GHz. It always connected on 5 GHz before and has great 5 GHz reception. So I thought it'll adjust on its own and reconnect on 5 GHz. Checked a day later, still 2.4 GHz. So then I randomly changed the connection priority setting from "Auto" to "Ethernet" (even though the node is not connected via ethernet) and then it switched to 5 GHz backhaul. Then I...
AIMesh node connects on 2.4 GHz backhaul unless "Ethernet priority" selected
AIMesh node connects on 2.4 GHz backhaul unless "Ethernet priority" selected