All about
IPCONFIG and all of it's various switches are here.
This is valuable info to know in your IT career.
Quote:
ipconfig /all - Produces a detailed configuration report for all interfaces.
ipconfig /flushdns - Removes all entries from the DNS name cache.
ipconfig /registerdns - Refreshes all DHCP leases and reregisters DNS names
ipconfig /displaydns - Displays the contents of the DNS resolver cache.
ipconfig /release < adapter > - Releases the IP address for a specified interface.
ipconfig /renew < adapter > - Renews the IP address for a specified interface.
ipconfig /showclassid < adapter > - Displays all the DHCP class IDs allowed for the adapter specified.
ipconfig /setclassid < adapter > < classID to set > - Changes the DHCP class ID for the adapter specified.
ipconfig /? - Displays this list.
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