Can anyone help me to configure my router to resoulve the nat issue?
What Country/State/Province do you live in? Portugal
Modem brand & model number:
Router brand & model number: ZyXEL P-660W-T1 v3
Network Connection Type: Wireless/Wired Wireless
If Wireless, what type of encryption are you using? WPA
Things you have tried: open ports enable UPnP
Is UPnP Enabled? Yes/no/Unknown YES
Is NAT Type Open? NO
Any Error Codes you encounter: NAT STRICT
What type of internet do you have? Cable/DSL/T1/3G?
Who is your ISP(Internet Service Provider)? SAPO ADSL
When you run "Test Xbox LIVE connection" what is the exact message shown on screen? you guys know this one