Dual-Stack Lite (DS-Lite) Management Information Base (MIB) for Address Family Transition Routers (AFTRs)
RFC 7870

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Internet Engineering Task Force (IETF)                             Y. Fu
Request for Comments: 7870                                         CNNIC
Category: Standards Track                                       S. Jiang
ISSN: 2070-1721                             Huawei Technologies Co., Ltd
                                                                 J. Dong
                                                                 Y. Chen
                                                     Tsinghua University
                                                               June 2016

    Dual-Stack Lite (DS-Lite) Management Information Base (MIB) for
               Address Family Transition Routers (AFTRs)

Abstract

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols in the Internet community.
   In particular, it defines managed objects for Address Family
   Transition Routers (AFTRs) of Dual-Stack Lite (DS-Lite).

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 7841.

   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/rfc7870.

Copyright Notice

   Copyright (c) 2016 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.

Fu, et al.                   Standards Track                    [Page 1]
RFC 7870                  DS-Lite MIB for AFTRs                June 2016

Table of Contents

   1. Introduction ....................................................2
   2. Requirements Language ...........................................2
   3. The Internet-Standard Management Framework ......................3
   4. Relationship to the IF-MIB ......................................3
   5. Difference from the IP Tunnel MIB and NATV2-MIB .................3
   6. Structure of the MIB Module .....................................4
      6.1. The Object Group ...........................................5
           6.1.1. The dsliteTunnel Subtree ............................5
           6.1.2. The dsliteNAT Subtree ...............................5
           6.1.3. The dsliteInfo Subtree ..............................5
      6.2. The Notification Group .....................................5
      6.3. The Conformance Group ......................................5
   7. MIB Modules Required for IMPORTS ................................5
   8. Definitions .....................................................6
   9. Security Considerations ........................................22
   10. IANA Considerations ...........................................24
   11. References ....................................................24
      11.1. Normative References .....................................24
      11.2. Informative References ...................................26
   Acknowledgements ..................................................27
   Authors' Addresses ................................................27

1.  Introduction

   Dual-Stack Lite [RFC6333] is a solution that offers both IPv4 and
   IPv6 connectivity to customers crossing an IPv6-only infrastructure.
   One of its key components is an IPv4-over-IPv6 tunnel, which is used
   to provide IPv4 connectivity across a service provider's IPv6
   network.  Another key component is a carrier-grade IPv4-IPv4 Network
   Address Translation (NAT) to share service provider IPv4 addresses
   among customers.

   This document defines a portion of the Management Information Base
   (MIB) for use with network management protocols in the Internet
   community.  This MIB module may be used for configuration and
   monitoring of Address Family Transition Routers (AFTRs) in a Dual-
   Stack Lite scenario.

2.  Requirements Language

   The key words "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, RFC 2119 [RFC2119].  When these words are not in ALL CAPS (such