Xbox Live Problem
 

Well I have a linksys router (WRT54GS) it is wireless, but we are using a wired connection for our... xbox..


I've changed the MTU ( watever its called ) to the number i found..


i did all the portfowarding.. to my router
(192.168.1.1) and my xbox (192.168.1.100)

still i cant figure it out... can anybody tell me how to fix.