In the Android Deco app, I see a blue cable logo atop the connections between the main Deco and the satellite Deco. Does that mean that the Decos are indeed using the Ethernet backbone between...

@David-TP the main Deco XE5300 is wired on one end to the Comcast modem and on the other wired to the NetGear GS108 in the same utility closet. The other 7 ports of that NetGear GS108 are connected...

I have a Deco XE5300 (3 devices) with an Ethernet backbone on two NetGear GS108 switches. I had this running for a few weeks then a few days ago suddenly all the hardwired device got disconnected,...