Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh interface ipv6 set teredo ?
Usage: set teredo [[type]=disabled|client|enterpriseclient|default][[servername=]||default][[refreshinterval=]|default][[clientport=]|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.
servername - Name or IPv4 address of the Teredo server.
refreshinterval - Client refresh interval (in seconds).
clientport - Client's UDP port (otherwise chosen by system).
Remarks: Sets Teredo service parameters. A 'default' argument to any
of the parameters sets its value to a default configuration.
Example:
set teredo disable
set teredo client teredo.ipv6.microsoft.com. 60 34567