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@benjamindundon . What is the full model name of the unit? Wavlink have a few models with AX1800.
@david64 it's the AX1800 WiFi 6 EasyMesh Router
@benjamindundon . Can't find a manual for this. The only settings shoud be PPPoE, username and password. With FTTP, VLAN function should be disabled.
What is the state of the lights on the FTTP box?
@benjamindundon . Try your username with and without @tpg.com.au.
Does the Wavlink have a System Log? If it does, you might see the username and password when it connects. Compare with the System Log on the VR1600 re username and password.
Otherwise the moderator has to check with the central server to see if the Wavlink is trying to authenticate.
@david64seems like no combination of username and password is working, and I can't seem to get logs either. Honestly at this point I'm thinking I'll just return it and get something else - it clearly doesn't work in the way advertised.
@benjamindundon . You say the VR1600 has totally kicked the bucket, but works as well as it can.
Is it still able to get an internet connection?
If not, you can't tell if there might be a problem at TPG end.
Have you tried to use the TPG Username and Password that you utilise to login to your TPG My Account?
If not, try it first. Also, you may consider factory resetting the new router first to be sure that you are starting fresh.
If it's still not working, then send us a private message with your account details for checking.
BasilDV