Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh interface ipv6 set teredo ?
Usage: set teredo [[type]=disabled|client|enterpriseclient|server|default][[servername=]||default][[refreshinterval=]|default][[clientport=]|default][[servervirtualip=]|default]
Parameters:
Tag Value
type - One of the following values:
disabled: Disable the Teredo service.
client: Enable the Teredo client.
enterpriseclient: Skip managed network detection.
server: Enable the Teredo server.
default: default state is client.
servername - Name or IPv4 address of the Teredo server.
refreshinterval - Client refresh interval (in seconds).
clientport - Client's UDP port (otherwise chosen by system).
servervirtualip - IPv4 address of the server virtual ip.
Not applicable if running as teredo client.
Remarks: Sets Teredo state.
A 'default' argument to a parameter sets it to the system default.
The 'type=server' option only works on server skus.
Examples:
set teredo disable
set teredo client teredo.ipv6.microsoft.com 60 34567