Hi @6425812    Welcome to the Community!   We were able to locate your account using your community details and tested the line. We weren't able to detect any fault within the NBN network, however, the third party router is configured incorrectly.   Please use the correct PPPoE credentials (TPG username and password). Check this article as a guide on what to configure: How to set up TP-LINK C1200 modem for Windows 10   Stay safe. BasilDV ... View more