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Hi @Ashderek . You can check if there is later firmware for the Nest that does support VLAN tagging.
Since you won't be using the TPG VOIP phone function of your connection, you can convert it to a Data Only plan which doesn't use VLAN tagging.
You could connect the Nest as an access point to your existing router. You keep the Nest wifi capability but lose the router functions. Does Nest have that function or has Google removed it?
Or something more technical; a smart switch which interfaces between the non-VLAN Nest and the VLAN Arris box.
Hi @Ashderek
If you are in a bundled NBN service, then you need to check if your device supports VLAN tagging.
If it is, then configure it to VLAN ID 2 and PPPoE.
If not, then you can use your device as an access point instead.
BasilDV