Zyxel Prestige 600WH Wireless Router (91-004-164001) "fifa ea number" Questions

...fifa 09 online mode, it often says that i lost connection to the ea servers, then the match which i was playing stopped. Although, i have to sign in again and it takes quite a while that i can play ...

...fifa 09 on ps3. have been told by sony, ea sports and netgear on the phone, that i need to open ports on my router.i have the numbers but dont know how to do this, i wouldnt be very good around ...