Fantastic support feedback, not. FYI, have resolved the issue for anyone who stumbles across this. As suspected, turns out it was something pretty simple, but easy to overlook. The network cable from...

Having some issues figuring this out. I had NBN HFC installed yesterday, unfortunately I cant use my TP Link VR900 for HFC due to being the V3 model and it not supporting VLAN ID tagging in "Wireless...