Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh interface ipv6 6to4 show ?
The following commands are available:
Commands in this context:show interface - Shows the 6to4 interface configuration information.
show relay - Shows the 6to4 relay information.
show routing - Shows the 6to4 routing state.
show state - Shows the 6to4 state.