Definitions of Managed Objects for Network Address Translators (NAT)
draft-perrault-behave-natv2-mib-04

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Last updated 2015-06-11 (latest revision 2015-05-25)
Replaces draft-ietf-behave-nat-mib
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Network Working Group                                       S. Perreault
Internet-Draft                                       Jive Communications
Intended status: Standards Track                                 T. Tsou
Expires: November 26, 2015                           Huawei Technologies
                                                            S. Sivakumar
                                                           Cisco Systems
                                                               T. Taylor
                                                    PT Taylor Consulting
                                                            May 25, 2015

  Definitions of Managed Objects for Network Address Translators (NAT)
                   draft-perrault-behave-natv2-mib-04

Abstract

   This memo defines a portion of the Management Information Base (MIB)
   for devices implementing the Network Address Translator (NAT)
   function.  The new MIB module defined in this document, NATV2-MIB, is
   intended to replace module NAT-MIB (RFC 4008).  NATV2-MIB is not
   backwards compatible with NAT-MIB, for reasons given in the text of
   this document.  A companion document deprecates all objects in NAT-
   MIB.  NATV2-MIB can be used for monitoring of NAT instances on a
   device capable of NAT function.  Compliance levels are defined for
   three application scenarios: basic NAT, pooled NAT, and carrier-grade
   NAT (CGN).

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 November 26, 2015.

Perreault, et al.       Expires November 26, 2015               [Page 1]
Internet-Draft                   NAT MIB                        May 2015

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Table of Contents

   1.  The SNMP Management Framework . . . . . . . . . . . . . . . .   3
   2.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Content Provided by the NATV2-MIB Module  . . . . . . . .   5
       3.1.1.  Configuration Data  . . . . . . . . . . . . . . . . .   5
       3.1.2.  Notifications . . . . . . . . . . . . . . . . . . . .   6
       3.1.3.  State Information . . . . . . . . . . . . . . . . . .   9
       3.1.4.  Statistics  . . . . . . . . . . . . . . . . . . . . .   9
     3.2.  Outline of MIB Module Organization  . . . . . . . . . . .  11
     3.3.  Detailed MIB Module Walk-Through  . . . . . . . . . . . .  13
       3.3.1.  Textual Conventions . . . . . . . . . . . . . . . . .  13
       3.3.2.  Notifications . . . . . . . . . . . . . . . . . . . .  13
       3.3.3.  The Subscriber Table: natv2SubscriberTable  . . . . .  13
       3.3.4.  The Instance Table: natv2InstanceTable  . . . . . . .  14
       3.3.5.  The Protocol Table: natv2ProtocolTable  . . . . . . .  15
       3.3.6.  The Address Pool Table: natv2PoolTable  . . . . . . .  15
       3.3.7.  The Address Pool Address Range Table:
               natv2PoolRangeTable . . . . . . . . . . . . . . . . .  16
       3.3.8.  The Address Map Table: natv2AddressMapTable . . . . .  16
       3.3.9.  The Port Map Table: natv2PortMapTable . . . . . . . .  17
     3.4.  Conformance: Three Application Scenarios  . . . . . . . .  17
   4.  Definitions . . . . . . . . . . . . . . . . . . . . . . . . .  18
   5.  Operational and Management Considerations . . . . . . . . . .  74
     5.1.  Configuration Requirements  . . . . . . . . . . . . . . .  74
     5.2.  Transition From and Coexistence With NAT-MIB  [RFC 4008]   76
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  78
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