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Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6 (RFC3736)

IP.com Disclosure Number: IPCOM000026528D
Original Publication Date: 2004-Apr-01
Included in the Prior Art Database: 2004-Apr-06
Document File: 10 page(s) / 19K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Droms: AUTHOR

Abstract

Stateless Dynamic Host Configuration Protocol service for IPv6 (DHCPv6) is used by nodes to obtain configuration information, such as the addresses of DNS recursive name servers, that does not require the maintenance of any dynamic state for individual clients. A node that uses stateless DHCP must have obtained its IPv6 addresses through some other mechanism, typically stateless address autoconfiguration. This document explains which parts of RFC 3315 must be implemented in each of the different kinds of DHCP agents so that agent can support stateless DHCP.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 18% of the total text.

Network Working Group R. Droms

Request for Comments: 3736 Cisco Systems

Category: Standards Track April 2004

Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6

Status of this Memo

This document specifies an Internet standards track protocol for the

Internet community, and requests discussion and suggestions for

improvements. Please refer to the current edition of the "Internet

Official Protocol Standards" (STD 1) for the standardization state

and status of this protocol. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (2004). All Rights Reserved.

Abstract

Stateless Dynamic Host Configuration Protocol service for IPv6

(DHCPv6) is used by nodes to obtain configuration information, such

as the addresses of DNS recursive name servers, that does not require

the maintenance of any dynamic state for individual clients. A node

that uses stateless DHCP must have obtained its IPv6 addresses

through some other mechanism, typically stateless address

autoconfiguration. This document explains which parts of RFC 3315

must be implemented in each of the different kinds of DHCP agents so

that agent can support stateless DHCP.

1. Introduction

Nodes that have obtained IPv6 addresses through some other mechanism,

such as stateless address autoconfiguration [6] or manual

configuration, can use stateless DHCP to obtain other configuration

information such as a list of DNS recursive name servers or SIP

servers. A stateless DHCP server provides only configuration

information to nodes and does not perform any address assignment.

Such a server is called "stateless" because it need not maintain any

dynamic state for individual clients.

While the DHCP specification [1] defines more than 10 protocol

messages and 20 options, only a subset of those messages and options

are required for stateless DHCP service. This document explains

which messages and options defined in RFC 3315 are required for

stateless DHCP service. The intended use of the document is to guide

Droms Standards Track [Page 1]

RFC 3736 Stateless DHCP Service for IPv6 April 2004

the interoperable implementation of clients and servers that use

stateless DHCP service.

The operation of relay agents is the same for stateless and stateful

DHCP service. The operation of relay agents is described in the DHCP

specification.

Section 4 of this document lists the sections of the DHCP document

that an implementor should read for an overview of the DHCP

specification and the basic requirements of a DHCP service. Section

5 lists the specific messages and options that are specifically

required for stateless DHCP service. Section 6 describes how

stateless and stateful DHCP servers interact to provide service to

clients that require address assignment and clients that require only

stateless service.

2. Terminology

Throughout this document, "DHCP" refers to DHCP for IPv6.

This document uses the terminology defined in RFC 2460 [2], the DHCP

specification [1], and th...