Just for your interest. I got it running.
The problem was OPNsense not running with DS-lite.
After a short call to my ISP, I got my connection changed to Dual Stack and got everything running up in no time, with all the standard settings.
The problem was OPNsense not running with DS-lite.
After a short call to my ISP, I got my connection changed to Dual Stack and got everything running up in no time, with all the standard settings.