Read this thread then, it has all the instructions.
https://freestylersworld.com/showthr...ng-made-simple
If you DONT want 2 fix it, keep rejoining the game and you wont get the -- ping. Usually rejoin the game 2-4 times and it works. So the instructions for that are:
1) join the game
2) wait for NAT config to active and see the users names
3) ESC and go to game room
4) rejoin the game and you shouldnt get NAT