Virtual PPPoE server with CPE as Client

I’m trying to configure a mi ISP.
I have a virtual Mikrotick router working as PPPoE server with Tekradius–>switch cisco Busines SG300-10MP–>allied tellesis CPE & GENEXIS CPE & PC
So now I can establish PPPoE connection in the PC, but CPE Didn’t get authenticate.
Allied tellesis has all transports configurations with pppoe user/pasword also genexis CPE. Nothing happen when I connect CPE.
So how can I establish PPPoE connections automatically from my CPE.

Every interface is configure to work in clan 50.

PleaseI need so help i’m really new in this things, sorry if is a stupid question but I can’t found anything hepfull at google.