PPPOE and Hotspot in mikrotik single interface is possible, but what if I am using hotspot from other system running in Raspberry pi? So the setup is PPPOE from mikrotik and hotspot
Mikrotik Radius, PPPOE Server and PPPOE Client Setup Guide - iBill.io
High-level RouterOS PPPoE Server/Client Configuration Example - ePMP - Cambium Community
PPPoE Server Configuration in MikroTik Router - YouTube