Ipconfig

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Revision as of 16:53, 28 May 2007 by Paul (talk | contribs) (New page: USAGE: ipconfig [/? | /all | /renew [adapter] | /release [adapter] | /flushdns | /displaydns | /registerdns | /showclassid adapter | /setclassid adapter [classid] ] where adapter ...)
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USAGE: ipconfig [/? | /all | /renew [adapter] | /release [adapter] | /flushdns | /displaydns | /registerdns | /showclassid adapter | /setclassid adapter [classid] ]

where

   adapter         Connection name (wildcard characters * and ? allowed, see examples)
   Options:
      /?           Display this help message
      /all         Display full configuration information.
      /release     Release the IP address for the specified adapter.
      /renew       Renew the IP address for the specified adapter.
      /flushdns    Purges the DNS Resolver cache.
      /registerdns Refreshes all DHCP leases and re-registers DNS names
      /displaydns  Display the contents of the DNS Resolver Cache.
      /showclassid Displays all the dhcp class IDs allowed for adapter.
      /setclassid  Modifies the dhcp class id.  


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"