After looking for alternatves to the suggested Router from Telekom (AVM FritzBox and HUawei Speedport), I've discovered the possibility of configuring my existing OpenWRT Router to act as gateway to the Telekom FTTH (Fiber To The Home) Magenta Zuhause package.
The WAN interface must be configured as follows (see your Telekom letter):
PPPoE
| # https://docs.docker.com/engine/admin/systemd/ | |
| Many Linux distributions use systemd to start the Docker daemon. This document shows a few examples of how to customize Docker’s settings. | |
| Starting the Docker daemon | |
| Once Docker is installed, you will need to start the Docker daemon. | |
| $ sudo systemctl start docker | |
| # or on older distributions, you may need to use | |
| $ sudo service docker start | |
| If you want Docker to start at boot, you should also: |