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Xbox Live - User Guides
Diagnosing Xbox Live Connections
Many Xbox Live gamers set up a home network to connect their Xbox console to their broadband Internet connection. Most home networks use a home gateway (a combined cable/DSL modem and router), a stand-alone router, or a PC to share a single broadband connection. Setting up your home networking devices properly significantly improves your Xbox Live experience.
You can use the latest Xbox Dashboard tools to solve Xbox Live connection issues and learn more about your home network in order to optimize your Xbox Live experience. The Xbox Dashboard can run diagnostic tests based on three technologies: ICMP, MTU, and NAT.
For a great experience, your router or gateway must properly handle a certain type of Internet traffic called ICMP port unreachable traffic. ICMP stands for Internet Control Message Protocol. It’s not important that you know much about ICMP, but you should be sure your home gateway or router properly handles this kind of traffic.
One setting a router or gateway can influence is the Maximum Transmission Unit (MTU). The MTU determines the largest datagram than can be transmitted by an IP interface (without it needing to be broken down into smaller units). So what does MTU have to do with playing games? Read on…
NATs share one Internet connection with your Xbox console andyour PC.If you use the wrong NAT device, you can't always play with or talk to your friends on Xbox Live. We'll help you choose the right NAT.
