A YANG Data Model for Virtual Router Redundancy Protocol (VRRP)
draft-ietf-rtgwg-yang-vrrp-00

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Last updated 2016-06-30
Replaces draft-liu-rtgwg-yang-vrrp
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Network Working Group                                    X. Liu, Editor
Internet-Draft                                              A. Kyparlis
Intended status: Standards Track                              R. Parikh
Expires: December 27, 2016                                     Ericsson
                                                              A. Lindem
                                                          Cisco Systems
                                                               M. Zhang
                                                    Huawei Technologies
                                                          June 27, 2016

      A YANG Data Model for Virtual Router Redundancy Protocol (VRRP)
                     draft-ietf-rtgwg-yang-vrrp-00.txt

Abstract

   This document describes a data model for Virtual Router Redundancy
   Protocol (VRRP). Both version 2 and version 3 of VRRP are covered.

Status of this Memo

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Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors. All rights reserved.

Liu                   Expires December 27, 2016                [Page 1]
Internet-Draft     draft-ietf-rtgwg-yang-vrrp-00.txt          June 2016

   This document is subject to BCP 78 and the IETF Trust's Legal
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Table of Contents

   1. Introduction...................................................2
      1.1. Terminology...............................................2
   2. VRRP YANG model overview.......................................3
   3. VRRP YANG module...............................................7
   4. Security Considerations.......................................28
   5. References....................................................28
      5.1. Normative References.....................................28
      5.2. Informative References...................................29

1. Introduction

   This document introduces a YANG [RFC6020] data model for Virtual
   Router Redundancy Protocol (VRRP) [RFC3768][RFC5798]. VRRP provides
   higher resiliency by specifying an election protocol that dynamically
   assigns responsibility for a virtual router to one of the VRRP
   routers on a LAN.

   This YANG model supports both version 2 and version 3 of VRRP. VRRP
   version 2 defined in [RFC3768] supports IPv4. VRRP version 3 defined
   in [RFC5798] supports both IPv4 and IPv6.

1.1. Terminology

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

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

      o  augment

      o  data model

Liu                   Expires December 27, 2016                [Page 2]
Internet-Draft     draft-ietf-rtgwg-yang-vrrp-00.txt          June 2016

      o  data node

2. VRRP YANG model overview

   This document defines the YANG module "ietf-vrrp", which has the
   following structure:

   module: ietf-vrrp
   augment /if:interfaces/if:interface/ip:ipv4:
      +--rw vrrp
         +--rw vrrp-instance* [vrid]
            +--rw vrid                            uint8
            +--rw version?                        enumeration
            +--rw log-state-change?               boolean
            +--rw preempt!
            |  +--rw hold-time?   uint16
            +--rw priority?                       uint8
            +--rw accept-mode?                    boolean
            +--rw (advertise-interval-choice)?
            |  +--:(v2)
            |  |  +--rw advertise-interval-sec?         uint8
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