@Alexandre. Oh great. This is immensely helpful. I will have to use the switch because it is powering the decos via poe. Will try out a tp link router and update this thread with the results. Thanks...

But I will still need to add a deco between the main router and the switch right? Or can I connect the new inexpensive main router to the switch directly and turn both the deco x50s in access point...

I understand. But both my decos are fixed now with concealed wiring. Can I use any other tp link modem before the switch or only a deco will do? In that case which would be the most basic deco model...

But in my case the Main Deco is the only main router/modem. There is no other router or modem in the network. Doesn’t it m

@Alexandre. This is what my network looks like.

@Alexandre. Thanks. I have read this thread. Still can’t figure. When I connected the main deco to the secondary deco directly; the ethernet backhaul showed up but when I connect the secondary deco...