Allowing PPPoE passthrough router

Hello forums,

Recently my switch just dead,
it was connected to my PC, which allows me to get on internet with PPPoE dial-up,
and I cannot get a new switch just yet,
so I need to connect my PC to my RouterBOARD,
but I can’t figure out how to make it allow PPPoEs
please give me some help :frowning:

heres my network setup: