Yes that is the strategy I think I am going with now. Already hunting down an Orbi router - these can be converted to a satellite with a just little bit of effort.
Thank you for your valuable input @krkaufman. The diagram/changes you did is very helpful. Just a question about the "2x" in yellow box - is that a 2-way splitter to split the line from main splitter to wall jack (L1) or do you mean a new/second cable run from the main splitter near the ATT RG...
Thank you @degrub for the detailed and thorough explanation. Really appreciate you taking the time to respond.
I understand the network layout you have described and points #2-#5 in your post but I am not quite certain about point #1: "you want a dedicated MOCA connection to the Router to/from...
Have recently moved to a house and had ATT install Gigabit Fiber. They provided us their own ONT/Router combo (BGW320) which I have set up in a IP-Passthrough mode and using Netgear Orbi Router (Router mode) and one Orbi satellite. The backhaul between satellite and router is currently wireless...