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DHCPv6 Options for Network Boot
RFC 5970

Document type: RFC - Proposed Standard (September 2010; No errata)
Document stream: IETF
Last updated: 2013-03-02
Other versions: plain text, pdf, html

IETF State: (None)
Consensus: Unknown
Document shepherd: No shepherd assigned

IESG State: RFC 5970 (Proposed Standard)
Responsible AD: Ralph Droms
Send notices to: dhc-chairs@tools.ietf.org, draft-ietf-dhc-dhcpv6-opt-netboot@tools.ietf.org

Internet Engineering Task Force (IETF)                           T. Huth
Request for Comments: 5970                                   J. Freimann
Category: Standards Track                           IBM Germany R&D GmbH
ISSN: 2070-1721                                                V. Zimmer
                                                                   Intel
                                                               D. Thaler
                                                               Microsoft
                                                          September 2010

                    DHCPv6 Options for Network Boot

Abstract

   The Dynamic Host Configuration Protocol for IPv6 (DHCPv6) provides a
   framework for passing configuration information to nodes on a
   network.  This document describes new options for DHCPv6 that SHOULD
   be used for booting a node from the network.

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/rfc5970.

Copyright Notice

   Copyright (c) 2010 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
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Huth, et al.                 Standards Track                    [Page 1]
RFC 5970             DHCPv6 Options for Network Boot      September 2010

Table of Contents

   1. Introduction ....................................................2
   2. Conventions .....................................................3
   3. Options .........................................................3
      3.1. Boot File Uniform Resource Locator (URL) Option ............3
      3.2. Boot File Parameters Option ................................4
      3.3. Client System Architecture Type Option .....................5
      3.4. Client Network Interface Identifier Option .................6
   4. Appearance of the Options .......................................7
   5. Download Protocol Considerations ................................7
   6. IANA Considerations .............................................7
   7. Security Considerations .........................................8
   8. Acknowledgements ................................................8
   9. References ......................................................9
      9.1. Normative References .......................................9
      9.2. Informative References .....................................9

1.  Introduction

   This document describes DHCPv6 options that SHOULD be used to provide
   configuration information for a node that must be booted using the
   network rather than from local storage.

   Network booting is used, for example, in some environments where
   administrators have to maintain a large number of nodes.  By serving
   all boot and configuration files from a central server, the effort
   required to maintain these nodes is greatly reduced.

   A typical boot file would be, for example, an operating system kernel
   or a boot-loader program.  To be able to execute such a file, the
   firmware running on the client node must perform the following two
   steps (see Figure 1): First get all information that is required for
   downloading and executing the boot file.  Second, download the boot
   file and execute it.

                                            +------+
                    _______________________\| DHCP |
                   / 1 Get boot file info  /|Server|
           +------+                         +------+
           | Host |
           +------+                         +------+
                   \_______________________\| File |
                     2 Download boot file  /|Server|
                                            +------+

                      Figure 1: Network Boot Sequence

Huth, et al.                 Standards Track                    [Page 2]

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