Windows: run winipcfg for TCP/IP settings and to release and renew DHCP IP address leases. Be sure to select the appropriate network adapter if you have more than one.DOS (run from DOS Window in Windows)
C:\>ipconfig
similar to winipcfg
C:\>net /? | more
lists various net commands, including
C:\>net config
C:\>net diag
C:\>net view
Larry