XBOX Live port forwards for Cisco 800 (877 used here)

How to get xbox live working on your xbox behind a Cisco

Xbox Live needs TCP/3074, UDP/3074, UPD/88 forwarded to the xbox from the outside interface of the router

Xbox Connect needs TCP/8602 forwarded

Assumptions

Xbox - 10.1.1.2 Router - 10.1.1.1 Internet Interface - Dialer1

Instructions

Log into your router (usually something like telnet 10.1.1.1 from your pc, and enter the login credentials)

Enter configure mode

Configure Terminal Add the Forwards

ip nat inside source static tcp 10.1.1.2 3074 interface Dialer1 3074
ip nat inside source static udp 10.1.1.2 3074 interface Dialer1 3074
ip nat inside source static udp 10.1.1.2 88 interface Dialer1 88
ip nat inside source static tcp 10.1.1.2 8602 interface Dialer1 8602

Exit Configure mode Exit Write the config & Exit

Write Memory Exit Easy huh?