MW3 NAT Type Strict

[#1]

hi all i have been on the phone to pluse net about this they say they carnt help me but i have seen on here that sum people have been helped it works on myx box 360 but not on ps3 just keeps saying nat type strict no matter what i do help me please
dick:red All caps title edited as per forum rules.

[#2]

Have you tried this?
http://community.plus.net/library/gaming/increasing-gaming-compatability-with-the-thomson-tg585v8-xb...