Great thanks @VGIT for posting the solution! It worksSetting up a Mikrotik PPPOE Connection at a new Telekom All-IP BNG DSL line with Allnet ALL0333CJ Rev. C DSL-Modem:
According to the latest Deutsche Telekom announcements VLAN 8 is not longer used, instead VLAN 7 is used for both services.
![Smile :-)](./images/smilies/icon_smile.gif)