Deutsche Telekom Fiber with a MikroTik Router

I switched to Deutsche Telekom Glasfaser (FTTH) and wanted to keep my MikroTik router. No FritzBox, no rented hardware, just my own box talking to the ONT. It took a couple of hours to get it working, and the journey involved a fair amount of trial and error. Here&rsquo;s what I tried, what failed, and what finally worked. The setup Router : MikroTik hAP ac ONT : Deutsche Telekom Modem 2 fiber…