I replaced my router with this one.

I have a telekom sim card, and changed to the apn that gives you a public IP address, like before.

I have a teamspeak3-server running in my local network that I used to expose, and I tried port forwarding.

The port 30033 is open, I checked so successfully. However port 9987 isn't open. I tired declaring both in the same forward and seperate, both didn't work.
Whatever I do only 30033 is open.

I am out of ideas at this point.


I hope someone can help me,

best regards

EHerb