UPDATE: spent a few hours with live chat, and they can't figure it out. They said a technican will need to get back to me. I couldn't get a straight answer if bridge mode needs to be set up.

Hi all, I'm in a bit of a pickle. This should be simple.... 

I need help setting up the x20 to an existing VR400 modem router on a TPG FTTN connection.

The essence of my question is: when setting up bridge mode for the modem/router I receive a conflict because the vlan ID is the same for both the pppoe settings and the bridge. 

My question: can I just leave the VLAN ID as 0 for the bridge. And then use VLAN ID 2 for the FTTN? 

Or am I suppose to only put the modem/router in bridge (with correct VLAN), and then enter the pppoe credentials into the Deco unit during setup? 

I get to the end of setting up the deco and the red light is on the base and not internet available. 

Basically what I've done, or think I should do. 

Create pppoe connection for my FTTN (VDSL + credentials + TPG I believe uses VLAN ID 2. Pretty straight forward. 

Then, as per recommendation from TP Link, I put the modem router in bridge mode. From what I can see I create a new connection and choose "Bridge Mode". (This is where the conflict happens). 

Then I go through the Deco setup, which asks for the modem to have the internet light on before moving past the next step. That would imply the pppoe credentials need to be configured on the modem first. 

Please let me know if you need any other info. I went with TP Link mesh as the modem was TP Link, thinking it would be an easy setup....😳