@antariksa . With this fixed wireless, were you using another router before the Asus?  If you have a previous router, did it work on fixed wireless? If so, check if it was using VLAN setting. I don't know if fixed wireless uses VLAN or not. Is the Asus WAN port connected to the proper UNI-D port on the NBN box? According to TPG setup guide, it is normally UNI-D1 port. ... View more