Examples
To display the basic TCP/IP configuration for all adapters, type:
ipconfig
To display the full TCP/IP configuration for all adapters, type:
ipconfig /all
To renew a DHCP-assigned IP address configuration for only the Local Area Connection adapter, type:
ipconfig /renew "Local Area Connection"
To flush the DNS resolver cache when troubleshooting DNS name resolution problems, type:
ipconfig /flushdns --시도
To display the DHCP class ID for all adapters with names that start with Local, type:
ipconfig /showclassid Local*
To set the DHCP class ID for the Local Area Connection adapter to TEST, type:
ipconfig /setclassid "Local Area Connection" TEST
https://technet.microsoft.com/en-us/library/bb490921.aspx