Notice all the information you receive with this command. Very useful for troubleshooting. To learn how to release and renew the IP address, click the link below.
ipconfig
ipconfig /all is NT 4.0's and Windows 2000 equivalent of Windows 95/98's winipcfg. To issue this command, go to Start | Programs and select Command Prompt. At the prompt, type ipconfig /all (see screenshot).