Get online support
Hi @Lastlegion
Thanks for raising this with us.
We tried to search for your account using your community details to no avail.
You need to check what type of NBN service you have. Check this article as it has a guide: New Connection Setup Help
We have customers how uses Google nest with their NBN HFC. Check these threads: Google WiFi, TPG HFC Modem and Google NEST (not Wifi), Connecting Google Nest.
You may contact Google support for further assistance in setting up their product.
BasilDV