Najprv si nastav nech router forwarduje porty 5425 a 15425 (TCP aj UDP) na tvoju lokalnu IP (ked nevies tak prikaz ipconfig /all)
ked nepomoze tak nastav nech forwarduje vsetky tieto rozsahy http://forum.chip.de/online-gaming/vietcong-router -ports-527184.html

UDP packets:
5425-5440, 5725-5740, 5555, 6500, 6515, 6667, 6073, 3783, 13139, 2300-2400, 15420-15440, 27900 and 28900.

TCP packets:
27900, 28900, 29900-29901, 5425-5450, 2300-2400, 5555, 6500, 6515, 6667, 3783 and 15425-15430.