@network_user We are drifting away from the original topic and to the limits of my networking knowledge. I expect switch to route traffic between two devices connected to it without passing it to...

@MichaelArn Start with checking the quality of WiFi backhaul between Satellite Deco(s) and Main Deco. You can find that info in Deco app, example: In this example Satellite Deco Bedroom has...

@David-TP Submitted app logs according to instructions. All three HS103 Smart Plugs are reported as connected to Main Network.

@network_user Still, consider powerline adapters, especially if you could get them from the place with good return policy. While it is true that they are sensitive to appliances plugged to outlets,...

@network_user Sagemcom Fast 5566 is a router. It has four gigabit Ethernet ports you can use to connect wired devices to it. Your selection of hardware to connect the two rooms is not the optimal...

@network_user You start with the solution(s) and then provide problem description. It usually works better the opposite way. --------------------------------- My understanding is, this is what you...