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DHCPv4-over-DHCPv6 (DHCP 4o6) Transport (RFC7341) Disclosure Number: IPCOM000238305D
Original Publication Date: 2014-Aug-01
Included in the Prior Art Database: 2014-Aug-15
Document File: 32 page(s) / 36K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

Q. Sun: AUTHOR [+4]


As the migration towards IPv6 continues, IPv6-only networks will become more prevalent. In such networks, IPv4 connectivity will continue to be provided as a service over IPv6-only networks. In addition to provisioning IPv4 addresses for clients of this service, other IPv4 configuration parameters may also be needed (e.g., addresses of IPv4-only services).

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Internet Engineering Task Force (IETF)                            Q. Sun Request for Comments: 7341                                        Y. Cui Category: Standards Track                            Tsinghua University ISSN: 2070-1721                                             M. Siodelski                                                                      ISC                                                              S. Krishnan                                                                 Ericsson                                                                I. Farrer                                                      Deutsche Telekom AG                                                              August 2014

                 DHCPv4-over-DHCPv6 (DHCP 4o6) Transport


   IPv4 connectivity is still needed as networks migrate towards IPv6.    Users require IPv4 configuration even if the uplink to their service    provider supports IPv6 only.  This document describes a mechanism for    obtaining IPv4 configuration information dynamically in IPv6 networks    by carrying DHCPv4 messages over DHCPv6 transport.  Two new DHCPv6    messages and two new DHCPv6 options are defined for this purpose.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

Sun, et al.                  Standards Track                    [Page 1]
 RFC 7341                   DHCPv4 over DHCPv6                August 2014

 Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    ( in effect on the date of    publication of this document.  Please review these documents    carefully, as...