Hi I had the included TP-link Archer C1200 and replaced it today with a Dlink Exo Ac1900 smart mesh WiFi router (image 2) I followed the prompts on the app installation and removed the old cord from where it plugs into NBN box (and was working) and used the new plug into the 'Internet' port. (image 3) I've tried several times. Obviously using my username but then even trying account name etc. It just will not connect to the internet with this router for some reason. Even though I set it up exactly the same. I even tried the original CAT5.e cable in its same port with no luck. The port used from the NBN box is UNI-D 1. (image one) Did I purchase a non NBN router or what's causing me this grief. I can't figure it out. ... View more