@David-TP Thanks David. Agreed. Diagram 1 would be the preferred method. Just want to clarify that under Access Point mode, will the connecting device do the Auto-Switching? (Will the Mesh still work...

@TP-Link Deco Hi Hi, need advice. Currently, I am using a D-link Wifi Router (850L) with TP-Link Powerline Wifi Extender (TL-WPA4220). This is a simple setup. Router (Living)+Extender (Room) with the...