More than one IP address to a single NIC

To configure extra IP addresses under NT 4.0 perform the following:
Right click on Network Neighborhood and select Properties (if you are unable to do this start the Network Control Panel applet via control panel)
Select the Protocols tab
Select 'TCP/IP Protocol' and click the Properties button
Select the 'IP Address' tab and you will see your normal IP address. Click the Advanced button at the bottom of the dialog
Select the Adapted and click Add under the IP addresses section
Enter the new IP address and subnet mask. Click Add
Click here to view image
Click OK to the advanced dialog
Click Apply then OK to the TCP/IP dialog
Close all other dialogs
Reboot the computer
Under Windows 2000 the procedure is the same except to get the TCP/IP protocol properties you need to:
Right click on "My Network Places" and select Properties
Right click on "Local Area Connection" and select Properties
Select "Internet Protocol (TCP/IP) and select Properties The procedure is then as above except the reboot is not necessary