if-mib.txt

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              ifOutUcastPkts, ifOutMulticastPkts,
              ifOutBroadcastPkts, ifOutDiscards,
              ifPromiscuousMode }
    STATUS  current
    DESCRIPTION
            "A collection of objects providing information specific to
            non-high speed (non-high speed interfaces transmit and
            receive at speeds less than or equal to 20,000,000
            bits/second) packet-oriented network interfaces."
    ::= { ifGroups 4 }

ifHCPacketGroup    OBJECT-GROUP
    OBJECTS { ifHCInOctets, ifHCOutOctets,
              ifInOctets, ifOutOctets, ifInUnknownProtos,
              ifInErrors, ifOutErrors,
              ifMtu, ifInUcastPkts, ifInMulticastPkts,
              ifInBroadcastPkts, ifInDiscards,
              ifOutUcastPkts, ifOutMulticastPkts,
              ifOutBroadcastPkts, ifOutDiscards,
              ifPromiscuousMode }
    STATUS  current
    DESCRIPTION
            "A collection of objects providing information specific to
            high speed (greater than 20,000,000 bits/second but less
            than or equal to 650,000,000 bits/second) packet-oriented
            network interfaces."
    ::= { ifGroups 5 }

ifVHCPacketGroup    OBJECT-GROUP
    OBJECTS { ifHCInUcastPkts, ifHCInMulticastPkts,
              ifHCInBroadcastPkts, ifHCOutUcastPkts,
              ifHCOutMulticastPkts, ifHCOutBroadcastPkts,
              ifHCInOctets, ifHCOutOctets,
              ifInOctets, ifOutOctets, ifInUnknownProtos,
              ifInErrors, ifOutErrors,
              ifMtu, ifInUcastPkts, ifInMulticastPkts,
              ifInBroadcastPkts, ifInDiscards,
              ifOutUcastPkts, ifOutMulticastPkts,
              ifOutBroadcastPkts, ifOutDiscards,
              ifPromiscuousMode }
    STATUS  current
    DESCRIPTION
            "A collection of objects providing information specific to
            higher speed (greater than 650,000,000 bits/second) packet-
            oriented network interfaces."
    ::= { ifGroups 6 }

ifRcvAddressGroup    OBJECT-GROUP
    OBJECTS { ifRcvAddressStatus, ifRcvAddressType }
    STATUS  current
    DESCRIPTION
            "A collection of objects providing information on the
            multiple addresses which an interface receives."
    ::= { ifGroups 7 }

ifStackGroup2    OBJECT-GROUP
    OBJECTS { ifStackStatus, ifStackLastChange }
    STATUS  current
    DESCRIPTION
            "A collection of objects providing information on the
            layering of MIB-II interfaces."
    ::= { ifGroups 11 }

ifCounterDiscontinuityGroup  OBJECT-GROUP
    OBJECTS { ifCounterDiscontinuityTime }
    STATUS  current
    DESCRIPTION
            "A collection of objects providing information specific to
            interface counter discontinuities."
    ::= { ifGroups 13 }

linkUpDownNotificationsGroup  NOTIFICATION-GROUP
    NOTIFICATIONS { linkUp, linkDown }
    STATUS  current
    DESCRIPTION
            "The notifications which indicate specific changes in the
            value of ifOperStatus."
    ::= { ifGroups 14 }

-- Deprecated Definitions - Objects

--
--    The Interface Test Table
--
-- This group of objects is optional.  However, a media-specific

-- MIB may make implementation of this group mandatory.
--
-- This table replaces the ifExtnsTestTable
--

ifTestTable   OBJECT-TYPE
    SYNTAX      SEQUENCE OF IfTestEntry
    MAX-ACCESS  not-accessible
    STATUS      deprecated
    DESCRIPTION
            "This table contains one entry per interface.  It defines
            objects which allow a network manager to instruct an agent
            to test an interface for various faults.  Tests for an
            interface are defined in the media-specific MIB for that
            interface.  After invoking a test, the object ifTestResult
            can be read to determine the outcome.  If an agent can not
            perform the test, ifTestResult is set to so indicate.  The
            object ifTestCode can be used to provide further test-
            specific or interface-specific (or even enterprise-specific)
            information concerning the outcome of the test.  Only one
            test can be in progress on each interface at any one time.
            If one test is in progress when another test is invoked, the
            second test is rejected.  Some agents may reject a test when
            a prior test is active on another interface.

            Before starting a test, a manager-station must first obtain
            'ownership' of the entry in the ifTestTable for the
            interface to be tested.  This is accomplished with the
            ifTestId and ifTestStatus objects as follows:

          try_again:
              get (ifTestId, ifTestStatus)
              while (ifTestStatus != notInUse)
                  /*
                   * Loop while a test is running or some other
                   * manager is configuring a test.
                   */
                  short delay
                  get (ifTestId, ifTestStatus)
              }

              /*
               * Is not being used right now -- let's compete
               * to see who gets it.
               */
              lock_value = ifTestId

              if ( set(ifTestId = lock_value, ifTestStatus = inUse,
                       ifTestOwner = 'my-IP-address') == FAILURE)
                  /*
                   * Another manager got the ifTestEntry -- go
                   * try again
                   */
                  goto try_again;

              /*
               * I have the lock
               */
              set up any test parameters.

              /*
               * This starts the test
               */
              set(ifTestType = test_to_run);

              wait for test completion by polling ifTestResult

              when test completes, agent sets ifTestResult
                   agent also sets ifTestStatus = 'notInUse'

              retrieve any additional test results, and ifTestId

              if (ifTestId == lock_value+1) results are valid

            A manager station first retrieves the value of the
            appropriate ifTestId and ifTestStatus objects, periodically
            repeating the retrieval if necessary, until the value of
            ifTestStatus is 'notInUse'.  The manager station then tries
            to set the same ifTestId object to the value it just
            retrieved, the same ifTestStatus object to 'inUse', and the
            corresponding ifTestOwner object to a value indicating
            itself.  If the set operation succeeds then the manager has
            obtained ownership of the ifTestEntry, and the value of the
            ifTestId object is incremented by the agent (per the
            semantics of TestAndIncr).  Failure of the set operation
            indicates that some other manager has obtained ownership of
            the ifTestEntry.

            Once ownership is obtained, any test parameters can be
            setup, and then the test is initiated by setting ifTestType.
            On completion of the test, the agent sets ifTestStatus to
            'notInUse'.  Once this occurs, the manager can retrieve the
            results.  In the (rare) event that the invocation of tests
            by two network managers were to overlap, then there would be
            a possibility that the first test's results might be
            overwritten by the second test's results prior to the first

            results being read.  This unlikely circumstance can be
            detected by a network manager retrieving ifTestId at the
            same time as retrieving the test results, and ensuring that
            the results are for the desired request.

            If ifTestType is not set within an abnormally long period of
            time after ownership is obtained, the agent should time-out
            the manager, and reset the value of the ifTestStatus object
            back to 'notInUse'.  It is suggested that this time-out
            period be 5 minutes.

            In general, a management station must not retransmit a
            request to invoke a test for which it does not receive a
            response; instead, it properly inspects an agent's MIB to
            determine if the invocation was successful.  Only if the
            invocation was unsuccessful, is the invocation request
            retransmitted.

            Some tests may require the interface to be taken off-line in
            order to execute them, or may even require the agent to
            reboot after completion of the test.  In these
            circumstances, communication with the management station
            invoking the test may be lost until after completion of the
            test.  An agent is not required to support such tests.
            However, if such tests are supported, then the agent should
            make every effort to transmit a response to the request
            which invoked the test prior to losing communication.  When
            the agent is restored to normal service, the results of the
            test are properly made available in the appropriate objects.
            Note that this requires that the ifIndex value assigned to
            an interface must be unchanged even if the test causes a
            reboot.  An agent must reject any test for which it cannot,
            perhaps due to resource constraints, make available at least
            the minimum amount of information after that test
            completes."
    ::= { ifMIBObjects 3 }

ifTestEntry OBJECT-TYPE
    SYNTAX       IfTestEntry
    MAX-ACCESS   not-accessible
    STATUS       deprecated
    DESCRIPTION
            "An entry containing objects for invoking tests on an
            interface."
    AUGMENTS  { ifEntry }
    ::= { ifTestTable 1 }

IfTestEntry ::=

    SEQUENCE {
        ifTestId           TestAndIncr,
        ifTestStatus       INTEGER,
        ifTestType         AutonomousType,
        ifTestResult       INTEGER,
        ifTestCode         OBJECT IDENTIFIER,
        ifTestOwner        OwnerString
    }

ifTestId         OBJECT-TYPE
    SYNTAX       TestAndIncr
    MAX-ACCESS   read-write
    STATUS       deprecated
    DESCRIPTION
            "This object identifies the current invocation of the
            interface's test."
    ::= { ifTestEntry 1 }

ifTestStatus     OBJECT-TYPE
    SYNTAX       INTEGER { notInUse(1), inUse(2) }
    MAX-ACCESS   read-write
    STATUS       deprecated
    DESCRIPTION
            "This object indicates whether or not some manager currently
            has the necessary 'ownership' required to invoke a test on
            this interface.  A write to this object is only successful
            when it changes its value from 'notInUse(1)' to 'inUse(2)'.
            After completion of a test, the agent resets the value back
            to 'notInUse(1)'."
    ::= { ifTestEntry 2 }

ifTestType       OBJECT-TYPE
    SYNTAX       AutonomousType
    MAX-ACCESS   read-write
    STATUS       deprecated
    DESCRIPTION
            "A control variable used to start and stop operator-
            initiated interface tests.  Most OBJECT IDENTIFIER values
            assigned to tests are defined elsewhere, in association with
            specific types of interface.  However, this document assigns
            a value for a full-duplex loopback test, and defines the
            special meanings of the subject identifier:

                noTest  OBJECT IDENTIFIER ::= { 0 0 }

            When the value noTest is written to this object, no action
            is taken unless a test is in progress, in which case the
            test is aborted.  Writing any other value to this object is

            only valid when no test is currently in progress, in which
            case the indicated test is initiated.

            When read, this object always returns the most recent value
            that ifTestType was set to.  If it has not been set since
            the last initialization of the network management subsystem
            on the agent, a value of noTest is returned."
    ::= { ifTestEntry 3 }

ifTestResult  OBJECT-TYPE
    SYNTAX       INTEGER {
                     none(1),          -- no test yet requested
                     success(2),
                     inProgress(3),
                     notSupported(4),
                     unAbleToRun(5),   -- due to state of system
                     aborted(6),
                     failed(7)
                 }
    MAX-ACCESS   read-only
    STATUS       deprecated
    DESCRIPTION
            "This object contains the result of the most recently
            requested test, or the value none(1) if no tests have been
            requested since the last reset.  Note that this facility
            provides no provision for saving the results of one test
            when starting another, as could be required if used by
            multiple managers concurrently."
    ::= { ifTestEntry 4 }

ifTestCode  OBJECT-TYPE
    SYNTAX       OBJECT IDENTIFIER
    MAX-ACCESS   read-only
    STATUS       deprecated
    DESCRIPTION
            "This object contains a code which contains more specific
            information on the test result, for ex