Hello, at home I have a deco x20 system connected to the Internet in a closet 5 meters next to the purchased CEP210, I also have an external switch, but in the AP installation, the client router unfor

Hello, I just bought 3 pieces of deco x20 I have a house on two floors and I would like to connect them to the lane upstairs and above I have this option, but at the same time I want them to form one