tell me what it was doing? Could I control it? I found that I was pretty much on my own in answering these questions and had to rely on net searching with Google and poking around in the XP Help documentation to piece together a picture of what NAT Traversal...

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• -The Battle of the Services!

taken a long time for it to be implemented in a large number of routers and the features that are implemented vary widely. One of UPnP's key tricks is its NAT Traversal feature, which automatically opens ports in a UPnP-enabled router's firewall for applications...

them on the v2. Figure 6 shows the SIP settings page, and Figure 7 the NAT Traversal settings. The v2 supports Outbound proxy, STUN and Fake WAN address methods of working around problems with NAT routers and the screenshot shows I've selected Outbound Proxy....

the client names please...). Each client shows a list of any ports that are opened it. In addition to ports specifically opened by using the DMZ or Local Servers features, ports automatically opened by UPnP NAT Traversal are also shown! I'd still prefer to...

a special Virtual Server enable in case you want to have your own PPTP server running on the router's LAN side instead of the built-in server. I liked that UPnP defaults to being turned off and that you can separately disable the NAT Traversal function that...

NOTE: The G54 ships with a default username, but no password. Make sure you set a password, especially if you enable Remote Administration. Since I started out via UPnP, I did a quick check to see if UPnP NAT Traversal was working by firing up Windows Messenger....

but Special Applications can. Figure 5: Special Applications Universal Plug and Play (UPnP) is supported, but disabled by default (the way I like to see it). If you do enable it, you have no control over its NAT Traversal feature and ports opened by it aren't...

And last, but not least, the router has a DMZ function that allows opening all ports to a LAN client of your choice. With all this port-forwarding flexibility, I thought it odd that the 4300 didn't support UPnP and its NAT Traversal feature. But D-Link told...