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Hi @asdfasdf
Are you under the NBN bundled with VoIP plan or the NBN data only plan?
If bundled, then you need to make sure that the third party device is configured with VLAN ID 2 along with the PPPoE.
If not, then no need to enable the VLAN ID of your device and just configure it with the PPPoE.
Send us a private message with your account details if you need further assistance.
BasilDV
Hi @asdfasdf . Have you tried to reconfigure the TPG router by disabling VLAN ID? See if it connects.
You might need to contact OPNSense support.
Hi,
Did you have this solved? I am having the exact same issue