open NAT in cod mw2 bo2 etc

[Blos88]

hey

does anyone knows how to open NAT in mw2 or any related cod game?

most of the time is stricted in mw2

causing issues in the matches

my modem is a thomson DWG875EU

http://br.technicolor.com/uploads/product_images/dwg875blackandvertical.jpg

i dont know much about netwqorking or modems

os if u can tell me step by step or a guide

would be apreciated

i play only in PC wired
thank u

 

[Blos88]

bump?