Definitions of Managed Objects for Network Address Translators (NAT)
RFC 4008

Document Type RFC - Proposed Standard (March 2005; No errata)
Last updated 2013-03-02
Stream IETF
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Stream WG state WG Document
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IESG IESG state RFC 4008 (Proposed Standard)
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Responsible AD Allison Mankin
Send notices to <srisuresh@yahoo.com>, <cliff_wang@vnet.ibm.com>, <rrohit@cisco.com>, <rrajiv@cisco.com>, <npai@cisco.com>
Network Working Group                                           R. Rohit
Request for Comments: 4008                         Mascon Global Limited
Category: Standards Track                                   P. Srisuresh
                                                    Caymas Systems, Inc.
                                                         R. Raghunarayan
                                                                  N. Pai
                                                     Cisco Systems, Inc.
                                                                 C. Wang
                                                           Bank One Corp
                                                              March 2005

  Definitions of Managed Objects for Network Address Translators (NAT)

Status of This Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2005).

Abstract

   This memo defines a portion of the Management Information Base (MIB)
   for devices implementing Network Address Translator (NAT) function.
   This MIB module may be used for configuration as well as monitoring
   of a device capable of NAT function.

Rohit, et al.               Standards Track                     [Page 1]
RFC 4008                    NAT MIB                           March 2005

Table of Contents

   1.  Introduction .................................................  2
   2.  The Internet-Standard Management Framework ...................  2
   3.  Terminology ..................................................  3
   4.  Overview .....................................................  4
       4.1.  natInterfaceTable.......................................  4
       4.2.  natAddrMapTable.........................................  5
       4.3.  Default Timeouts, Protocol Table, and Other Scalars.....  6
       4.4.  natAddrBindTable and natAddrPortBindTable...............  6
       4.5.  natSessionTable.........................................  6
       4.6.  RFC 3489 NAPT Variations, NAT Session and Bind Tables...  7
       4.7.  Notifications...........................................  7
       4.8.  Relation Among Tables...................................  8
       4.9.  Configuration via the MIB...............................  8
       4.10. Relationship to Interface MIB...........................  9
   5.  Definitions ..................................................  9
   6.  Acknowledgements ............................................. 59
   7.  Security Considerations ...................................... 59
   8.  References ................................................... 60
   Authors' Addresses ............................................... 62
   Full Copyright Statement.......................................... 64

1.  Introduction

   This memo defines a portion of the Management Information Base (MIB)
   for devices implementing NAT function.  This MIB module may be used
   for configuration and monitoring of a device capable of NAT function.
   NAT types and their characteristics are defined in[RFC2663].
   Traditional NAT function, in particular is defined in [RFC3022].
   This MIB does not address the firewall functions and must not be used
   for configuring or monitoring these.  Section 2 provides references
   to the SNMP management framework, which was used as the basis for the
   MIB module definition.  Section 3 describes the terms used throughout
   the document.  Section 4 provides an overview of the key objects,
   their inter-relationship, and how the MIB module may be used to
   configure and monitor a NAT device.  Lastly, section 5 has the
   complete NAT MIB definition.

   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].

2.  The Internet-Standard Management Framework

   For a detailed overview of the documents that describe the current
   Internet-Standard Management Framework, please refer to section 7 of
   RFC 3410 [RFC3410].

Rohit, et al.               Standards Track                     [Page 2]
RFC 4008                    NAT MIB                           March 2005

   Managed objects are accessed via a virtual information store, termed
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