Welcome to the Community!
We were able to locate your account using your community details and it shows that your connection is working.
The PPPoE username and password is the one that you use to login in the TPG My Account.
If you don't remember it, then you may check the Email that we sent you since you've applied for the service.
If you can't find the details, please contact our Customer support team on 1300 993 011 for more information.