@Peter_Pan Hello Marvin_S, thank you so much for your very quick analysis and comment on that. Yes, when I connect the Decos via LAN-cable I can see them inside the app, the LED turnes to green light...

Hello, I am running the following setup Main Deco X50 connected to ISP-router and to backhaul-Decos (LAN-cable) - 2x Deco X50 connected via LAN-cable to main Deco as backhaul to extend on longer...