@Kayfersmum Hi, With Sky Fibre, you'll be using BT Openreach's Fibre 'VDSL' standards (Not Virgin's DOCSIS) so any router/modem you select will require compatibility with this system. I haven't been...

Did you add your ISP's connection username and password?

I'd give the Device Mode "Modem Only" a go first, unless you specifically need the router to do DHCP, etc rather than the Decos.

daemon.err nrd[17800]: estimatorCmnHandleBeaconReportEvent: Invalid beacon report for 5E:6A:E6:8F:4B:95 This normally means the device is out of useful Wifi range of the Deco.

@JosKoopman What I did was open the DHCP pool from .2 to .250, add all of my fixed IP equipment (usually < .100, then change the DHCP pool back to .100 - .250. A related note in case anyone has...

It should do. I have my server plugged into a slave Deco M5 fine. Is your network card on your computer enabled? Is the cable working elsewhere?