ROHC-UNCOMPRESSED-MIB device MIB details by RFC

ROHC-UNCOMPRESSED-MIB file content

The SNMP protocol is used to for conveying information and commands between agents and managing entities. SNMP uses the User Datagram Protocol (UDP) as the transport protocol for passing data between managers and agents. The reasons for using UDP for SNMP are, firstly it has low overheads in comparison to TCP, which uses a 3-way hand shake for connection. Secondly, in congested networks, SNMP over TCP is a bad idea because TCP in order to maintain reliability will flood the network with retransmissions.

Management information (MIB) is represented as a collection of managed objects. These objects together form a virtual information base called MIB. An agent may implement many MIBs, but all agents must implement a particular MIB called MIB-II [16]. This standard defines variables for things such as interface statistics (interface speeds, MTU, octets sent, octets received, etc.) as well as various other things pertaining to the system itself (system location, system contact, etc.). The main goal of MIB-II is to provide general TCP/IP management information.

Use ActiveXperts Network Monitor 2024 to import vendor-specific MIB files, inclusing ROHC-UNCOMPRESSED-MIB.

Vendor:	RFC
Mib:	ROHC-UNCOMPRESSED-MIB  [download]  [view objects]
Tool:	ActiveXperts Network Monitor 2024 [download]    (ships with advanced SNMP/MIB tools)

-- WinAgents MIB Extraction Wizard
-- Extracted from rfc3816.txt 16.03.2005 20:22:03

ROHC-UNCOMPRESSED-MIB DEFINITIONS ::= BEGIN

IMPORTS
    MODULE-IDENTITY, OBJECT-TYPE, Counter32, mib-2
        FROM SNMPv2-SMI                               -- [RFC2578]

    MODULE-COMPLIANCE, OBJECT-GROUP
        FROM SNMPv2-CONF                              -- [RFC2580]

    rohcChannelID, rohcContextCID
        FROM ROHC-MIB;


rohcUncmprMIB MODULE-IDENTITY
    LAST-UPDATED "200406030000Z"  -- June 3, 2004
    ORGANIZATION "IETF Robust Header Compression Working Group"
    CONTACT-INFO
       "WG charter:
          http://www.ietf.org/html.charters/rohc-charter.html

        Mailing Lists:
          General Discussion: rohc@ietf.org
          To Subscribe: rohc-request@ietf.org
          In Body: subscribe your_email_address

        Editor:
          Juergen Quittek
          NEC Europe Ltd.
          Network Laboratories
          Kurfuersten-Anlage 36
          69221 Heidelberg
          Germany
          Tel: +49 6221 90511-15
          EMail: quittek@netlab.nec.de"
    DESCRIPTION
        "This MIB module defines a set of objects for monitoring
         and configuring RObust Header Compression (ROHC).
         The objects are specific to ROHC uncompressed
         (profile 0x0000).

         Copyright (C) The Internet Society (2004). The
         initial version of this MIB module was published
         in RFC 3816. For full legal notices see the RFC
         itself or see:
         http://www.ietf.org/copyrights/ianamib.html"

    REVISION    "200406030000Z"  -- June 3, 2004
    DESCRIPTION "Initial version, published as RFC 3816."
    ::= { mib-2 113 }

--
-- The groups defined within this MIB module:
--

rohcUncmprObjects       OBJECT IDENTIFIER ::= { rohcUncmprMIB 1 }
rohcUncmprConformance   OBJECT IDENTIFIER ::= { rohcUncmprMIB 2 }

--
-- Context Table
--
-- The rohcUncmprContextTable lists all contexts per interface

-- and instance.  It extends the rohcContextTable.
--

rohcUncmprContextTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF RohcUncmprContextEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "This table lists and describes ROHC uncompressed profile
         specific properties of compressor contexts and
         decompressor contexts.  It extends the rohcContextTable
         of the ROHC-MIB module."
    ::= { rohcUncmprObjects 1 }

rohcUncmprContextEntry OBJECT-TYPE
    SYNTAX      RohcUncmprContextEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "An entry describing a particular context."
    INDEX {
        rohcChannelID,
        rohcContextCID
    }
    ::= { rohcUncmprContextTable 1 }

RohcUncmprContextEntry ::= SEQUENCE {
    rohcUncmprContextState         INTEGER,
    rohcUncmprContextMode          INTEGER,
    rohcUncmprContextACKs          Counter32
}

rohcUncmprContextState OBJECT-TYPE
    SYNTAX      INTEGER {
                    initAndRefresh(1),
                    normal(2),
                    noContext(3),
                    fullContext(4)
                }

    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "State of the context. States initAndRefresh(1) and normal(2)
         are states of compressor contexts, states noContext(3)
         and fullContext(4) are states of decompressor contexts."
    REFERENCE
        "RFC 3095, Section 5.10.3"

    ::= { rohcUncmprContextEntry 3 }

rohcUncmprContextMode OBJECT-TYPE
    SYNTAX      INTEGER {
                    unidirectional(1),
                    bidirectional(2)
                }
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "Mode of the context."
    REFERENCE
        "RFC 3095, Section 5.10.3"
    ::= { rohcUncmprContextEntry 4 }

rohcUncmprContextACKs OBJECT-TYPE
    SYNTAX      Counter32
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "The number of all positive feedbacks (ACK) sent or
         received in this context, respectively.

         Discontinuities in the value of this counter can
         occur at re-initialization of the management
         system, and at other times as indicated by the
         value of ifCounterDiscontinuityTime.  For checking
         ifCounterDiscontinuityTime, the interface index is
         required.  It can be determined by reading the
         rohcChannelTable of the ROHC-MIB."
    REFERENCE
        "RFC 3095, Section 5.2.1"
    ::= { rohcUncmprContextEntry 5 }

--
-- conformance information
--

rohcUncmprCompliances OBJECT IDENTIFIER
    ::= { rohcUncmprConformance 1 }
rohcUncmprGroups      OBJECT IDENTIFIER
    ::= { rohcUncmprConformance 2 }

--
-- compliance statements
--

rohcUncmprCompliance MODULE-COMPLIANCE

    STATUS      current
    DESCRIPTION
        "The compliance statement for SNMP entities that implement
         the ROHC-UNCOMPRESSED-MIB.

         Note that compliance with this compliance
         statement requires compliance with the
         rohcCompliance MODULE-COMPLIANCE statement of the
         ROHC-MIB and with the ifCompliance3 MODULE-COMPLIANCE
         statement of the IF-MIB (RFC2863)."
    MODULE      -- this module
    MANDATORY-GROUPS {
            rohcUncmprContextGroup
    }
    GROUP   rohcUncmprStatisticsGroup
    DESCRIPTION
       "A compliant implementation does not have to implement
        the rohcUncmprStatisticsGroup."
    ::= { rohcUncmprCompliances 1 }

rohcUncmprContextGroup OBJECT-GROUP
    OBJECTS {
        rohcUncmprContextState,
        rohcUncmprContextMode
    }
    STATUS      current
    DESCRIPTION
        "A collection of objects providing information about
         ROHC uncompressed compressors and decompressors."
    ::= { rohcUncmprGroups 1 }

rohcUncmprStatisticsGroup OBJECT-GROUP
    OBJECTS {
        rohcUncmprContextACKs
    }
    STATUS      current
    DESCRIPTION
        "An object providing context statistics."
    ::= { rohcUncmprGroups 2 }

END