Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip nat delete ?
The following commands are available:
Commands in this context:delete addressmapping - Deletes an address mapping from the NAT interface address pool.
delete addressrange - Deletes an address range from the NAT interface address pool.
delete ftp - Disables the FTP proxy.
delete h323 - Disables the H323 proxy.
delete interface - Removes NAT from the specified interface.
delete portmapping - Deletes a protocol port mapping from a NAT-enabled interface.