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IPConfig

Posted On 2009-02-15 by FortyPoundHead
Keywords: Command Reference
Tags: Windows Commandline Networking Windows
Views: 1664


IPCONFIG

Configure IP.

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. ##

## = New option in Win 2K/XP

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.

Examples

    > ipconfig                   ... Show information.

    > ipconfig /all              ... Show detailed information

    > ipconfig /renew            ... renew all adapters

    > ipconfig /renew EL*        ... renew any connection that has its

                                     name starting with EL

    > ipconfig /release *Con*    ... release all matching connections,

                                     eg. "Local Area Connection 1" or

                                         "Local Area Connection 2"

    > ipconfig /setclassid "Local Area Connection" TEST

                                 ... set the DHCP class ID for the

                                     named adapter to = TEST


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