ipconfig Command Guide

ipconfig /all Displays detailed information about the TCP/IP configuration of the machine
ipconfig /relase DHCP client manually releases IP address
ipconfig /renew DHCP client refreshes request to server (with the effect of updating)
ipconfig /flushdns Clears the local DNS cache content
ipconfig /regesterdns The dns client manually registers with the server
ipconfig /showclassid Displays the message of the DHCP class of the network adapter
ipconfig /setclassid Sets the DHCP class of the network adapter
br> ipconfig /renew “Local Area Connection”: Updates the DHCP-assigned IP address configuration for the Local Area Connection adapter
ipconfig /showclassid Local*: Displays the DHCP class ID of all adapters whose names begin with Local
ipconfig/setclassid "Local Area Connection" TEST: Set the DHCP class ID of the "Local Area Connection" adapter to TEST