Processing Network Library does not work over 2 computers


I was messing around with the Processing Network Library examples earlier today and noticed that they dont seem to work on 2 different computers (Connected to the same network). They only work if I run both examples on one machine. I then tried to use the UDP server library in the Contributions manager, leading to the same result. (Yes I was using a multicast UDP socket and IP)

I read online somewhere that it could be an issue with Port forwarding on my router, however I am unsure as to what to port-forward.

Any help troubleshooting this issue would be greatly appreciated


A related topic:


That was the one I was looking at last actually. Tried that, leading to no avail sadly