|  | 8.7 | TCP/IP Suite: Utilities
| 8.7.6 | How and when to use IPCONFIG/ WINIPCONFIG to test, validate, and troubleshoot IP connectivity

IPCONFIG and WINIPCFG displays the current TCP/IP configurations on the local workstation and enable the user to modify the DHCP address assigned for each interface. IPCONFIG is used in Windows NT and WINIPCFG is used for Windows 9x platforms. This utility enables the user to view the IP related settings, such as DNS and WINS servers, and the network interface's physical address. Variations on the ipconfig command are shown in the table. IPCONFIG/WINIPCFG Commands
Command | Action
ipconfig /all or winipcfg /all (for Win 9x) | Displays all IP configuration information
ipconfig /renew or winipcfg /renew | Renews the DHCP lease information, if none is named.
i pconfig /release or winipcfg /release | Releases the DHCP lease information and disables the TCP/IP on the adapter.
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