Just got a new TV 360 box and Hub 5 after having issues with upgrading my V6 box. The engineer left and it was all working but literally within minutes there was a pop-up on screen which said internet not available, and the big red network button was on screen, so clicked on that and went into ethernet connection, but it couldn't find it (it was physically plugged into the box right next to it), so I connected by wifi instead. This appeared to work ok, but then every now and again I would get the pop-up again, and go through the same routine - I think this was because it detected the ethernet cable was plugged in and tried to connect to it but couldn't.
I have disconnected the ethernet cable, and not had any issues so far but would prefer it if it was plugged in as they are physically next to each other, and it would mean less clutter on the wifi, or doesn't it matter? Just annoying that its all brand new and doesn't work properly.
