RFC 3947 · PROPOSED STANDARD · 2005
MON · 27 JUL 2026
Negotiation of NAT-Traversal in the IKE
Overview
RFC 3947, “Negotiation of NAT-Traversal in the IKE”, is a Proposed Standard document published in January 2005 by T. Kivinen, B. Swander, A. Huttunen, V. Volpe. The canonical text is published by the RFC Editor.
Abstract
This document describes how to detect one or more network address translation devices (NATs) between IPsec hosts, and how to negotiate the use of UDP encapsulation of IPsec packets through NAT boxes in Internet Key Exchange (IKE). [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 3947 is hosted at rfc-editor.org. Available in TXT,HTML.
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