@Carsor Ok. Thank You

@Carsor My setup: I have a 'fiberbox' on the wall, connected to the public fiber cable network. Is that what you call the modem? From the fiberbox there is a LAN cable going to the router in the same...

@Carsor By wifi, via the existing router. That was the idea. Please tell me if it can be done or not. (I'm an absolute beginner)

@Carsor Sorry, I was unclear/confused about the terminology; I already have a router from my internet provider. It works fine, but I want to use the Deco to get wifi in the other end of the house and...

Model is Deco M9 Plus . During the setup I was asked to connect the Deco to the modem with a LAN cable. Everything works fine. But I don't want to use the cable. Can I just unplug it? Carsten