I finaly made it. The right configuration was to set on the tp-link the internet connection to "Brige" with a vlan 385, and on the interface of my firewall just to set to PPPoE with the username and...

i have it like this I have group port lan3 with this wan interface (br_ptm_0_0) witch is to connected to my firewall In the lan settings it becomes like the screenshot below, and i believe that...

I am trying to connect my tp-link AC1200 vr400 in bridge mode to pass a PPPoE connection to my firewall which is located behind the tp-link. With the configuration I have done so far, I have not...