Windows IP Configuration

Windows IP Configuration

\windows\system32\ipconfig.exe

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The Windows IP Configuration tool, used without any options, displays your computer's current IP address, subnet mask, and default gateway. This information can also be viewed by double-clicking a connection in the Network Connections window.

Windows IP Configuration takes the following parameters:

 ipconfig [/   command   ] [   adapter   ] 

Command	Description
/all	Displays all available configuration information.
/release [ adapter ]	Releases the IP address(es) for the specified connection, disconnecting it from all network communication. See /renew.
/renew [ adapter ]	Reestablishes communication for the connection.
/flushdns	Purges the DNS cache. See NSLookup, earlier in this chapter. See see /displaydns to show the DNS cache.
/registerdns	Refreshes all DHCP leases and reregisters DNS names
/displaydns	Displays the contents of the DNS Resolver Cache (see/flushdns).
/showclassid adapter	Displays all the DHCP class IDs allowed for adapter .
/setclassid adapter [ classid ]	Modifies the DHCP class ID for adapter .