Before you upgrade to Windows Vista you can now check if your internet connection, your network, and your router to see if they will support the new features in Windows Vista. You might need to brush up on your router networking terms and network troubleshooting commands before checking this out though, as it is fairly difficult for the average person to understand.
Basic Internet Connectivity Test
This test is intended to ensure that your computer has basic Internet connectivity, which is needed for the rest of the tests.
Network Address Translator Type
One primary function of most home Internet routers is Network Address Translation (NAT). Routers providing NAT support assign private IP addresses on the local network. NAT maps these private addresses on the inside network to a public IP address on the outside network so that computers behind the Internet router can communicate with the rest of the Internet. Since Network Address Translators can work in different ways, this test uses Microsoft servers to identify your router’s NAT type. Some protocols work better through routers that act as cone-type NATs than routers that act as symmetric-type NATs.
Success of this test means that your Internet router or firewall acts similar to a cone NAT. This means that it helps applications which use Internet Protocol version 6 (IPv6) to connect, regardless of your ISP’s IPv6 support. For example, in Windows Vista you can collaborate with others across the Internet using Windows Meeting Space.
Traffic Congestion Test
This test attempts to download a short Web document, first with ECN enabled and then again with ECN disabled. If both downloads succeed, the test passes, which indicates that your Internet router successfully allows packets through with ECN options set.
TCP High Performance Test
This test downloads a series of Web documents of increasing length until either an incomplete download is encountered or all downloads succeed. Success indicates that your router allows Windows Vista to negotiate the best data transfer rate and help improve download speeds.
UPnP Support Test
This test ensures that the router has Universal Plug and Play (UPnP) enabled, can support a reasonable number of open ports, and can maintain these settings. Now days programs need to open ports to allow incoming traffic through your router. This is how programs are updated.
Multiple Simultaneous Connection States Test
Passing this test indicates that your router supports multiple computers or programs accessing the Internet simultaneously.
Notes:
- Go here to take the test http://www.microsoft.com/windows/using/tools/igd/default.mspx
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