LiteBeam AC with Mikrotik

[ZSam]

Hello,

Anyone able to please shed some light on how to get a client CPE (Ubiquiti LiteBeam AC 23dBi) with AirOS7 to connect to the internet via Mikrotik PPPoE Server?

Network:
Mikrotik RB750UP (Management, Dial PPPoE, PPPoE server)

To

Ubiquiti LiteBeam AC Sector (AP in Bridge mode)

To

Ubiquiti LiteBeam AC CPE (Router Mode)

Thanks!