Xbox Settings

How I can omptimize my modem / router setup Xbox Live?
I have an ActionTec GT701-WG modem / router and was wondering if I could change some settings to run faster Xbox Live. At this point, is very lazy, but occasionally, play pretty well. Using Xbox 360 wireless adapter, because I am not able to use Ethernet. If someone could help that would be a great help!
Well for one do not have all or any open browsers open.Maybe is your Internet? Not.See probably slow down.Try wireless adapter for ethernet and tell me yu cannot use.
Razer Onza Pro Gaming Xbox 360 Controller - CES 2010