A new demo has been added in the Windows XP Professional demo portion.The detail of this demo is

Title:Configure IP Addressing

Objective: The objective of this demo is to teach you how to assign IP addresses to your Windows XP computer.Computers without IP addresses cannot communicate on network. This demo will show you how you can give IP addresses to your computers in real environments. IP addresses must be unique on the network otherwise they will have a confilct between them.

If you are a subscriber, then click the Demos link in the navigation menu to view the complete list of demos.