The syntax for the use of the IPCONGIG program in Windows 2000 is:
ipconfig [/? | /all | /release [adapter] | /renew [adapter] | /flushdns | /registerdns | /displaydns]
where:
/? Displays help.
/all Displays the full configuration information.
/release Releases the IP address for the specified adapter.
/renew Renews the IP address for the specified adapter.
/flushdns Purges the DNS resolver cache.
/registerdns Refreshes all DHCP leases and re-register DNS names.
/displaydns Displays the contents of the DNS resolver cache.
The
DNS related
switches are new for Windows 2000.