YANG Data Model for DHCPv6 Configuration
draft-ietf-dhc-dhcpv6-yang-08
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DHC Working Group                                                 Y. Cui
Internet-Draft                                                    L. Sun
Intended status: Standards Track                     Tsinghua University
Expires: September 10, 2019                                    I. Farrer
                                                              S. Zechlin
                                                     Deutsche Telekom AG
                                                                   Z. He
                                                     Tsinghua University
                                                           March 9, 2019

                YANG Data Model for DHCPv6 Configuration
                     draft-ietf-dhc-dhcpv6-yang-08

Abstract

   This document describes a YANG data model [RFC6020] for the
   configuration and management of DHCPv6 servers, relays, and clients.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on September 10, 2019.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Internet-Draft              DHCPv6 YANG Model                 March 2019

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (https://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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  DHCPv6 Tree Diagram . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  DHCPv6 Server Tree Diagrams . . . . . . . . . . . . . . .   3
     2.2.  DHCPv6 Relay Tree Diagrams  . . . . . . . . . . . . . . .  16
     2.3.  DHCPv6 Client Tree Diagrams . . . . . . . . . . . . . . .  20
   3.  DHCPv6 YANG Model . . . . . . . . . . . . . . . . . . . . . .  27
     3.1.  DHCPv6 Server YANG Model  . . . . . . . . . . . . . . . .  27
     3.2.  DHCPv6 Relay YANG Model . . . . . . . . . . . . . . . . .  47
     3.3.  DHCPv6 Client YANG Model  . . . . . . . . . . . . . . . .  57
     3.4.  DHCPv6 Options YANG Model . . . . . . . . . . . . . . . .  65
     3.5.  DHCPv6 Types YANG Model . . . . . . . . . . . . . . . . .  94
   4.  Security Considerations (TBD) . . . . . . . . . . . . . . . .  99
   5.  IANA Considerations (TBD) . . . . . . . . . . . . . . . . . .  99
   6.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  99
   7.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  99
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . . 100
     8.1.  Normative References  . . . . . . . . . . . . . . . . . . 100
     8.2.  Informative References  . . . . . . . . . . . . . . . . . 100
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . . 102

1.  Introduction

   DHCPv6 [RFC3315] is widely used for supplying configuration and other
   relevant parameters to clients in IPv6 networks.  This document
   defines a DHCPv6 YANG data model, containing sub-modules for the
   configuration and management of DHCPv6 servers, relays and clients.
   A single YANG model covering all of these elements provides an
   operator with a common interface for the management of the entire
   DHCPv6 deployment in their network.

   Since the publication of the original DHCPv6 specification, there
   have been a large number of additional documents that update the
   protocol's operation, add new functions and define new options.  The
   YANG model described in this document incorporates all relevant

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