Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh interface 6to4 set ?
The following commands are available:
Commands in this context:set interface - Sets 6to4 interface configuration information.
set relay - Sets 6to4 relay information.
set routing - Sets 6to4 routing information.
set state - Sets the 6to4 state.