IP Release/Renew/Flush DNS

ipconfig shows all current TCP/ IP network configuration values like: IP Address, Subnet Mask and Default Gateway

IP Release

It erase/release the current TCP/IP settings

#ipconfig /release

IP Renew

Get new IP address

#ipconfig /renew

FLUSH DNS

System clears the cache of name to ip entries and reloads them from the connected DNS server

#ipconfig /flushdns