YANG Data Model for ARP
draft-ietf-rtgwg-arp-yang-model-03

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Last updated 2019-11-04
Replaces draft-ding-rtgwg-arp-yang-model
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RTGWG                                                           F. Zheng
Internet-Draft                                                B. Wu, Ed.
Intended status: Standards Track                                  Huawei
Expires: May 6, 2020                                      R. Wilton, Ed.
                                                           Cisco Systems
                                                                 X. Ding
                                                        November 3, 2019

                        YANG Data Model for ARP
                   draft-ietf-rtgwg-arp-yang-model-03

Abstract

   This document defines a YANG data model for the management of the
   Address Resolution Protocol (ARP).  It extends the basic ARP
   functionality contained in the ietf-ip YANG data model, defined in
   RFC 8344, to provide management of optional ARP features and
   statistics.

   The YANG data model in this document conforms to the Network
   Management Datastore Architecture defined in RFC 8342.

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
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   This Internet-Draft will expire on May 6, 2020.

Copyright Notice

   Copyright (c) 2019 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
   (https://trustee.ietf.org/license-info) in effect on the date of

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   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
     1.2.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Problem Statement . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   4
     3.1.  ARP Dynamic Learning  . . . . . . . . . . . . . . . . . .   4
     3.2.  Proxy ARP . . . . . . . . . . . . . . . . . . . . . . . .   5
     3.3.  Gratuitous ARP  . . . . . . . . . . . . . . . . . . . . .   5
     3.4.  ARP Data Model  . . . . . . . . . . . . . . . . . . . . .   5
   4.  ARP YANG Module . . . . . . . . . . . . . . . . . . . . . . .   6
   5.  Data Model Examples . . . . . . . . . . . . . . . . . . . . .  11
     5.1.  Configured static ARP Entry . . . . . . . . . . . . . . .  11
     5.2.  Configuration of proxy ARP and gratuitous ARP . . . . . .  12
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  14
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  14
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  16
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  17

1.  Introduction

   Basic ARP functionality is supported by the ietf-ip YANG data model,
   defined in [RFC8344].  This document defines a YANG [RFC7950] data
   model that extends the basic ARP YANG support to also cover optional
   ARP features, and ARP related statistics to aid network monitoring
   and troubleshooting.

   This model defines YANG configuration and operational state data
   nodes both for ARP related functionality formally specified in other
   RFCs (such as [RFC8344] and [RFC1027]), but also for common ARP
   behaviour that is often supported on network devices.

   Where necessary, the expected behaviour of the YANG data nodes is
   defined in the YANG model, and this document.

   The YANG modules in this document conform to the Network Management
   Datastore Architecture (NMDA) [RFC8342].

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