Definitions of Managed Object for the DS3/E3 Interface Type
RFC 2496

Document Type RFC - Proposed Standard (January 1999; No errata)
Obsoleted by RFC 3896
Obsoletes RFC 1407
Last updated 2013-03-02
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Network Working Group                                    D. Fowler, Editor
Request for Comments: 2496                              Newbridge Networks
Obsoletes: 1407                                               January 1999
Category: Standards Track

      Definitions of Managed Objects for the DS3/E3 Interface Type

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 (1999).  All Rights Reserved.

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 describes objects used for managing DS3 and E3
   interfaces.  This document is a companion document with Definitions
   of Managed Objects for the DS0 (RFC 2494 [25]), DS1/E1/DS2/E2 (RFC
   2495 [17]), and the work in progress SONET/SDH Interface Types.

   This memo specifies a MIB module in a manner that is both compliant
   to the SNMPv2 SMI, and semantically identical to the peer SNMPv1
   definitions.

Table of Contents

   1 The SNMP Management Framework ................................  2
   1.1 Changes from RFC1407 .......................................  3
   2 Overview .....................................................  4
   2.1 Use of ifTable for DS3 Layer ...............................  5
   2.2 Usage Guidelines ...........................................  5
   2.2.1 Usage of ifStackTable ....................................  5
   2.2.2 Usage of Channelization for DS3, DS1, DS0 ................  7
   2.2.3 Usage of Channelization for DS3, DS2, DS1 ................  7
   2.2.4 Usage of Loopbacks .......................................  8
   2.3 Objectives of this MIB Module ..............................  9
   2.4 DS3/E3 Terminology .........................................  9
   2.4.1 Error Events ............................................. 10
   2.4.2 Performance Parameters ................................... 10

Fowler, Ed.                 Standards Track                     [Page 1]
RFC 2496                      DS3/E3 MIB                    January 1999

   2.4.3 Performance Defects ...................................... 13
   2.4.4 Other Terms .............................................. 15
   3 Object Definitions ........................................... 15
   3.1 The DS3/E3 Near End Group .................................. 16
   3.1.1 The DS3/E3 Configuration Table ........................... 16
   3.1.2 The DS3/E3 Current Table ................................. 25
   3.1.3 The DS3/E3 Interval Table ................................ 28
   3.1.4 The DS3/E3 Total ......................................... 31
   3.2 The DS3 Far End Group ...................................... 34
   3.2.1 The DS3 Far End Configuration ............................ 35
   3.2.2 The DS3 Far End Current .................................. 37
   3.2.3 The DS3 Far End Interval Table ........................... 39
   3.2.4 The DS3 Far End Total .................................... 41
   3.3 The DS3/E3 Fractional Table ................................ 43
   3.4 The DS3 Trap Group ......................................... 46
   3.5 Conformance Groups ......................................... 46
   4 Appendix A - Use of dsx3IfIndex and dsx3LineIndex ............ 51
   5 Appendix B - The delay approach to Unavialable Seconds.  ..... 54
   6 Intellectual Property ........................................ 56
   7 Acknowledgments .............................................. 56
   8 References ................................................... 56
   9 Security Considerations ...................................... 58
   10 Author's Address ............................................ 59
   11 Full Copyright Statement .................................... 60

1.  The SNMP Management Framework

   The SNMP Management Framework presently consists of five major
   components:

    o   An overall architecture, described in RFC 2271 [1].

    o   Mechanisms for describing and naming objects and events for the
        purpose of management. The first version of this Structure of
        Management Information (SMI) is called SMIv1 and described in
        STD 16, RFC 1155 [2], STD 16, RFC 1212 [3] and RFC 1215 [4]. The
        second version, called SMIv2, is described in RFC 1902 [5], RFC
        1903 [6] and RFC 1904 [7].

    o   Message protocols for transferring management information. The
        first version of the SNMP message protocol is called SNMPv1 and
        described in STD 15, RFC 1157 [8]. A second version of the SNMP
        message protocol, which is not an Internet standards track
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