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Issues and Recommendations with Multiple Stateful DHCPv6 Options (RFC7550)

IP.com Disclosure Number: IPCOM000241671D
Original Publication Date: 2015-May-01
Included in the Prior Art Database: 2015-May-21
Document File: 48 page(s) / 54K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

O. Troan: AUTHOR [+3]

Abstract

DHCPv6 [RFC3315] was written without the expectation that additional stateful DHCPv6 options would be developed. DHCPv6 Prefix Delegation [RFC3633] since added a new stateful option for Prefix Delegation to DHCPv6. Implementation experience of the Customer Edge (CE) router model described in [RFC7084] has shown issues with the DHCPv6 protocol in supporting multiple stateful option types, in particular IA_NA (non-temporary addresses) and IA_PD (delegated prefixes).

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Internet Engineering Task Force (IETF)                          O. Troan Request for Comments: 7550                                       B. Volz Updates: 3315, 3633                                  Cisco Systems, Inc. Category: Standards Track                                   M. Siodelski ISSN: 2070-1721                                                      ISC                                                                 May 2015

     Issues and Recommendations with Multiple Stateful DHCPv6 Options

Abstract

   The Dynamic Host Configuration Protocol for IPv6 (DHCPv6)    specification defined two stateful options, IA_NA and IA_TA, but did    not anticipate the development of additional stateful options.    DHCPv6 Prefix Delegation added the IA_PD option, which is stateful.    Applications that use IA_NA and IA_PD together have revealed issues    that need to be addressed.  This document updates RFCs 3315 and 3633    to address these issues.

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    http://www.rfc-editor.org/info/rfc7550.

 Troan, et al.                Standards Track                    [Page 1]
 RFC 7550                Multiple Stateful Options               May 2015

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