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Chapter 9.  Using and Troubleshooting TC... > Receive a set of special TCP/IP sett...

9.3. Receive a set of special TCP/IP settings just for your computer

Normally, a computer configured for DHCP receives whatever settings are defined globally for the address scope(s) managed by the server. The configuration is assigned without regard to the client's location on the network, hardware configuration, or other criteria. In some situations, however, you might want DHCP to assign specific settings to specific computers. For example, you might want to assign shorter lease durations for notebook computers because they leave the network more frequently than desktop systems.

You can use a new feature of Windows 2000 called user classes to uniquely identify a computer to the DHCP server, enabling the server to respond with settings specifically for that client or client type. The client provides a user class ID to the server when it requests an address lease. The DHCP server provides all of the default options defined for the scope not otherwise defined for the class ID. This means you can assign most settings through the default scope settings and use a user class only for assigning any special settings required.


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