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Teredo

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Purpose

Teredo is an IPv6 transition technology that provides address assignment and host-to-host automatic tunneling for unicast IPv6 traffic when IPv6/IPv4 hosts are located behind one or multiple IPv4 network address translators (NATs). To traverse IPv4 NATs, IPv6 packets are sent as IPv4 User Datagram Protocol (UDP) messages.

Developer audience

Teredo is designed for use by C/C++ developers with IPv6 network programming experience.

Run-time requirements

The Teredo interface is primarily supported by Windows Vista and Windows Server 2008. The limited functionality of the Teredo Interface supported by Windows XP with Service Pack 2 (SP2) and Windows Server 2003 is detailed in Receiving Solicited Traffic Over Teredo.

In this section

Topic Description
About Teredo
 Information about the Teredo interface.
Using Teredo
 Information about the implementation and general usage of the Teredo Interface.