IPCONFIG /all Display full configuration information.
IPCONFIG /release [adapter]
Release the IP address for the specified adapter.
IPCONFIG /renew [adapter]
Renew the IP address for the specified adapter.
IPCONFIG /flushdns Purge the DNS Resolver cache. ##
IPCONFIG /registerdns Refresh all DHCP leases and re-register DNS names. ##
IPCONFIG /displaydns Display the contents of the DNS Resolver Cache. ##
IPCONFIG /showclassid adapter
Display all the DHCP class IDs allowed for adapter. ##
IPCONFIG /setclassid adapter [classid]
Modify the dhcp class id. ##
> 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"
> ipconfig /setclassid "Local Area Connection" TEST
... set the DHCP class ID for the
named adapter to = TEST
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