etherlike-mib.txt

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        SYNTAX      Dot3CollEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "A cell in the histogram of per-frame
                    collisions for a particular interface.  An
                    instance of this object represents the
                    frequency of individual MAC frames for which
                    the transmission (successful or otherwise) on a
                    particular interface is accompanied by a

                    particular number of media collisions."
        INDEX       { ifIndex, dot3CollCount }
        ::= { dot3CollTable 1 }

    Dot3CollEntry ::=
        SEQUENCE {
            dot3CollCount        INTEGER,
            dot3CollFrequencies  Counter32
        }

    -- { dot3CollEntry 1 } is no longer in use

    dot3CollCount OBJECT-TYPE
        SYNTAX      INTEGER (1..16)
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "The number of per-frame media collisions for
                    which a particular collision histogram cell
                    represents the frequency on a particular
                    interface."
        ::= { dot3CollEntry 2 }

    dot3CollFrequencies OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of individual MAC frames for which the
                    transmission (successful or otherwise) on a
                    particular interface occurs after the
                    frame has experienced exactly the number
                    of collisions in the associated
                    dot3CollCount object.

                    For example, a frame which is transmitted
                    on interface 77 after experiencing
                    exactly 4 collisions would be indicated
                    by incrementing only dot3CollFrequencies.77.4.
                    No other instance of dot3CollFrequencies would
                    be incremented in this example.

                    This counter does not increment when the
                    interface is operating in full-duplex mode.

                    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."
        ::= { dot3CollEntry 3 }

    dot3ControlTable OBJECT-TYPE
        SYNTAX      SEQUENCE OF Dot3ControlEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "A table of descriptive and status information
                    about the MAC Control sublayer on the
                    ethernet-like interfaces attached to a
                    particular system.  There will be one row in
                    this table for each ethernet-like interface in
                    the system which implements the MAC Control
                    sublayer.  If some, but not all, of the
                    ethernet-like interfaces in the system implement
                    the MAC Control sublayer, there will be fewer
                    rows in this table than in the dot3StatsTable."
        ::= { dot3 9 }

    dot3ControlEntry OBJECT-TYPE
        SYNTAX      Dot3ControlEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "An entry in the table, containing information
                    about the MAC Control sublayer on a single
                    ethernet-like interface."
        INDEX       { dot3StatsIndex }
        ::= { dot3ControlTable 1 }

    Dot3ControlEntry ::=
        SEQUENCE {
            dot3ControlFunctionsSupported       BITS,
            dot3ControlInUnknownOpcodes         Counter32
        }

    dot3ControlFunctionsSupported OBJECT-TYPE
        SYNTAX      BITS {
                        pause(0)   -- 802.3x flow control
                    }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A list of the possible MAC Control functions
                    implemented for this interface."
        REFERENCE   "[IEEE 802.3 Std.], 30.3.3.2,
                    aMACControlFunctionsSupported."
        ::= { dot3ControlEntry 1 }

    dot3ControlInUnknownOpcodes OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of MAC Control frames received on this
                    interface that contain an opcode that is not
                    supported by this device.

                    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."
        REFERENCE   "[IEEE 802.3 Std.], 30.3.3.5,
                    aUnsupportedOpcodesReceived"
        ::= { dot3ControlEntry 2 }

    dot3PauseTable OBJECT-TYPE
        SYNTAX      SEQUENCE OF Dot3PauseEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "A table of descriptive and status information
                    about the MAC Control PAUSE function on the
                    ethernet-like interfaces attached to a
                    particular system. There will be one row in
                    this table for each ethernet-like interface in
                    the system which supports the MAC Control PAUSE
                    function (i.e., the 'pause' bit in the
                    corresponding instance of
                    dot3ControlFunctionsSupported is set).  If some,
                    but not all, of the ethernet-like interfaces in
                    the system implement the MAC Control PAUSE
                    function (for example, if some interfaces only
                    support half-duplex), there will be fewer rows
                    in this table than in the dot3StatsTable."
        ::= { dot3 10 }

    dot3PauseEntry OBJECT-TYPE
        SYNTAX      Dot3PauseEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "An entry in the table, containing information
                    about the MAC Control PAUSE function on a single
                    ethernet-like interface."
        INDEX       { dot3StatsIndex }
        ::= { dot3PauseTable 1 }

    Dot3PauseEntry ::=
        SEQUENCE {
            dot3PauseAdminMode                  INTEGER,
            dot3PauseOperMode                   INTEGER,
            dot3InPauseFrames                   Counter32,
            dot3OutPauseFrames                  Counter32

        }

    dot3PauseAdminMode OBJECT-TYPE
        SYNTAX      INTEGER {
                        disabled(1),
                        enabledXmit(2),
                        enabledRcv(3),
                        enabledXmitAndRcv(4)
                    }
        MAX-ACCESS  read-write
        STATUS      current
        DESCRIPTION "This object is used to configure the default
                    administrative PAUSE mode for this interface.

                    This object represents the
                    administratively-configured PAUSE mode for this
                    interface.  If auto-negotiation is not enabled
                    or is not implemented for the active MAU
                    attached to this interface, the value of this
                    object determines the operational PAUSE mode
                    of the interface whenever it is operating in
                    full-duplex mode.  In this case, a set to this
                    object will force the interface into the
                    specified mode.

                    If auto-negotiation is implemented and enabled
                    for the MAU attached to this interface, the
                    PAUSE mode for this interface is determined by
                    auto-negotiation, and the value of this object
                    denotes the mode to which the interface will
                    automatically revert if/when auto-negotiation is
                    later disabled.  Note that when auto-negotiation
                    is running, administrative control of the PAUSE
                    mode may be accomplished using the
                    ifMauAutoNegCapAdvertisedBits object in the
                    MAU-MIB.

                    Note that the value of this object is ignored
                    when the interface is not operating in
                    full-duplex mode.

                    An attempt to set this object to
                    'enabledXmit(2)' or 'enabledRcv(3)' will fail
                    on interfaces that do not support operation
                    at greater than 100 Mb/s."
        ::= { dot3PauseEntry 1 }

    dot3PauseOperMode OBJECT-TYPE
        SYNTAX      INTEGER {
                        disabled(1),
                        enabledXmit(2),
                        enabledRcv(3),
                        enabledXmitAndRcv(4)
                    }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "This object reflects the PAUSE mode currently
                    in use on this interface, as determined by
                    either (1) the result of the auto-negotiation
                    function or (2) if auto-negotiation is not
                    enabled or is not implemented for the active MAU
                    attached to this interface, by the value of
                    dot3PauseAdminMode.  Interfaces operating at
                    100 Mb/s or less will never return
                    'enabledXmit(2)' or 'enabledRcv(3)'.  Interfaces
                    operating in half-duplex mode will always return
                    'disabled(1)'.  Interfaces on which
                    auto-negotiation is enabled but not yet
                    completed should return the value
                    'disabled(1)'."
        ::= { dot3PauseEntry 2 }

    dot3InPauseFrames OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of MAC Control frames received on this
                    interface with an opcode indicating the PAUSE
                    operation.

                    This counter does not increment when the
                    interface is operating in half-duplex mode.
                    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."
        REFERENCE   "[IEEE 802.3 Std.], 30.3.4.3,
                    aPAUSEMACCtrlFramesReceived."
        ::= { dot3PauseEntry 3 }

    dot3OutPauseFrames OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of MAC Control frames transmitted on
                    this interface with an opcode indicating the

                    PAUSE operation.

                    This counter does not increment when the
                    interface is operating in half-duplex mode.

                    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."
        REFERENCE   "[IEEE 802.3 Std.], 30.3.4.2,
                    aPAUSEMACCtrlFramesTransmitted."
        ::= { dot3PauseEntry 4 }

    --  802.3 Tests

    dot3Tests   OBJECT IDENTIFIER ::= { dot3 6 }

    dot3Errors  OBJECT IDENTIFIER ::= { dot3 7 }

    --  TDR Test

    dot3TestTdr OBJECT-IDENTITY
        STATUS      current
        DESCRIPTION "The Time-Domain Reflectometry (TDR) test is
                    specific to ethernet-like interfaces of type
                    10Base5 and 10Base2.  The TDR value may be
                    useful in determining the approximate distance
                    to a cable fault.  It is advisable to repeat
                    this test to check for a consistent resulting
                    TDR value, to verify that there is a fault.

                    A TDR test returns as its result the time