IP Configuration

IPCONFIG

Configure IP (internet protocol configuration)

Syntax

IPCONFIG /all Display full configuration information.

IPCONFIG /release [adapter] Release the IP address for the specified adapter.

IPCONFIG /renew [adapter] Renew the IP address for the specified adapter.

IPCONFIG /flushdns Purge the DNS Resolver cache.

IPCONFIG /registerdns Refresh all DHCP leases and re-register DNS

names.

IPCONFIG /displaydns Display the contents of the DNS Resolver Cache.

IPCONFIG /showclassid adapter Display all the DHCP class IDs allowed for adapter.

IPCONFIG /setclassid adapter [classid] Modify the dhcp class id.

If the Adapter name contains spaces, use quotes: "Adapter Name"
wildcard characters * and ? allowed, see the examples below

The default is to display only the IP address, subnet mask and default gateway for each adapter bound to TCP/IP.

For Release and Renew, if no adapter name is specified, then the IP address leases for all adapters bound to TCP/IP will be released or renewed.

For Setclassid, if no ClassId is specified, then the ClassId is removed.