A YANG Data Model for IP Management
RFC 7277

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Internet Engineering Task Force (IETF)                      M. Bjorklund
Request for Comments: 7277                                Tail-f Systems
Category: Standards Track                                      June 2014
ISSN: 2070-1721

                  A YANG Data Model for IP Management

Abstract

   This document defines a YANG data model for management of IP
   implementations.  The data model includes configuration data and
   state data.

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/rfc7277.

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
   (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.

Bjorklund                    Standards Track                    [Page 1]
RFC 7277                   YANG IP Management                  June 2014

Table of Contents

   1. Introduction ....................................................2
      1.1. Terminology ................................................2
      1.2. Tree Diagrams ..............................................3
   2. IP Data Model ...................................................3
   3. Relationship to the IP-MIB ......................................6
   4. IP Management YANG Module .......................................8
   5. IANA Considerations ............................................24
   6. Security Considerations ........................................24
   7. Acknowledgments ................................................25
   8. References .....................................................25
      8.1. Normative References ......................................25
      8.2. Informative References ....................................26
   Appendix A. Example: NETCONF <get> Reply ..........................28

1.  Introduction

   This document defines a YANG [RFC6020] data model for management of
   IP implementations.

   The data model covers configuration of per-interface IPv4 and IPv6
   parameters, and mappings of IP addresses to link-layer addresses.  It
   also provides information about which IP addresses are operationally
   used, and which link-layer mappings exist.  Per-interface parameters
   are added through augmentation of the interface data model defined in
   [RFC7223].

1.1.  Terminology

   The following terms are defined in [RFC6241] and are not redefined
   here:

   o  client

   o  configuration data

   o  server

   o  state data

Bjorklund                    Standards Track                    [Page 2]
RFC 7277                   YANG IP Management                  June 2014

   The following terms are defined in [RFC6020] and are not redefined
   here:

   o  augment

   o  data model

   o  data node

   The terminology for describing YANG data models is found in
   [RFC6020].

1.2.  Tree Diagrams

   A simplified graphical representation of the data model is used in
   this document.  The meaning of the symbols in these diagrams is as
   follows:

   o  Brackets "[" and "]" enclose list keys.

   o  Abbreviations before data node names: "rw" means configuration
      data (read-write), and "ro" means state data (read-only).

   o  Symbols after data node names: "?" means an optional node, "!"
      means a presence container, and "*" denotes a list and leaf-list.

   o  Parentheses enclose choice and case nodes, and case nodes are also
      marked with a colon (":").

   o  Ellipsis ("...") stands for contents of subtrees that are not
      shown.

2.  IP Data Model

   This document defines the YANG module "ietf-ip", which augments the
   "interface" and "interface-state" lists defined in the
   "ietf-interfaces" module [RFC7223] with IP-specific data nodes, and
   also adds IP-specific state data.

Bjorklund                    Standards Track                    [Page 3]
RFC 7277                   YANG IP Management                  June 2014

   The data model has the following structure for IP configuration per