mau-mib

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                    ifMauMediaAvailable is unaffected.

                    A MAU in shutdown(5) state assumes the same
                    condition on DI, CI, and the media transmitter
                    as though it were powered down or not connected.
                    The MAU MAY return other(1) value for the
                    ifMauJabberState and ifMauMediaAvailable objects
                    when it is in this state.  For an AUI, this
                    state will remove power from the AUI.

                    Setting this variable to the value reset(6)
                    resets the MAU in the same manner as a
                    power-off, power-on cycle of at least one-half
                    second would.  The agent is not required to
                    return the value reset (6).

                    Setting this variable to the value
                    operational(3), standby(4), or shutdown(5)
                    causes the MAU to assume the respective state
                    except that setting a mixing-type MAU or an AUI
                    to standby(4) will cause the MAU to enter the
                    shutdown state."
        REFERENCE   "[IEEE 802.3 Std], 30.5.1.1.7, aMAUAdminState,
                    30.5.1.2.2, acMAUAdminControl, and 30.5.1.2.1,
                    acResetMAU."



        ::= { ifMauEntry 4 }

    ifMauMediaAvailable OBJECT-TYPE
        SYNTAX      INTEGER {
                        other(1),
                        unknown(2),
                        available(3),
                        notAvailable(4),
                        remoteFault(5),
                        invalidSignal(6),
                        remoteJabber(7),
                        remoteLinkLoss(8),
                        remoteTest(9),
                        offline(10),
                        autoNegError(11),
                        pmdLinkFault(12),
                        wisFrameLoss(13),
                        wisSignalLoss(14),
                        pcsLinkFault(15),
                        excessiveBER(16),
                        dxsLinkFault(17),
                        pxsLinkFault(18)
                    }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "If the MAU is a link or fiber type (FOIRL,
                    10BASE-T, 10BASE-F) then this is equivalent to
                    the link test fail state/low light function.
                    For an AUI or a coax (including broadband) MAU
                    this indicates whether or not loopback is
                    detected on the DI circuit.  The value of this
                    attribute persists between packets for MAU types
                    AUI, 10BASE5, 10BASE2, 10BROAD36, and 10BASE-FP.

                    The value other(1) is returned if the
                    mediaAvailable state is not one of 2 through 18.

                    The value unknown(2) is returned when the MAU's
                    true state is unknown; for example, when it is
                    being initialized.  At power-up or following a
                    reset, the value of this attribute will be
                    unknown for AUI, coax, and 10BASE-FP MAUs.  For
                    these MAUs loopback will be tested on each
                    transmission during which no collision is
                    detected.  If DI is receiving input when DO
                    returns to IDL after a transmission and there
                    has been no collision during the transmission
                    then loopback will be detected.  The value of



                    this attribute will only change during
                    non-collided transmissions for AUI, coax, and
                    10BASE-FP MAUs.

                    For 100Mbps and 1000Mbps MAUs, the enumerations
                    match the states within the respective link
                    integrity state diagrams, fig 32-16, 23-12 and
                    24-15 of sections 32, 23 and 24 of [IEEE802.3].
                    Any MAU which implements management of
                    auto-negotiation will map remote fault
                    indication to remote fault.

                    The value available(3) indicates that the link,
                    light, or loopback is normal.  The value
                    notAvailable(4) indicates link loss, low light,
                    or no loopback.

                    The value remoteFault(5) indicates that a fault
                    has been detected at the remote end of the link.
                    This value applies to 10BASE-FB, 100BASE-T4 Far
                    End Fault Indication and non-specified remote
                    faults from a system running auto-negotiation.
                    The values remoteJabber(7), remoteLinkLoss(8),
                    and remoteTest(9) SHOULD be used instead of
                    remoteFault(5) where the reason for remote fault
                    is identified in the remote signaling protocol.
                    The value invalidSignal(6) indicates that an
                    invalid signal has been received from the other
                    end of the link.  invalidSignal(6) applies only
                    to MAUs of type 10BASE-FB.

                    Where an IEEE Std 802.3-2002 clause 22 MII
                    is present, a logic one in the remote fault bit
                    (reference section 22.2.4.2.8 of that document)
                    maps to the value remoteFault(5), and a logic
                    zero in the link status bit (reference section
                    22.2.4.2.10 of that document) maps to the value
                    notAvailable(4).  The value notAvailable(4)
                    takes precedence over the value remoteFault(5).

                    Any MAU that implements management of clause 37
                    Auto-Negotiation will map the received RF1 and
                    RF2 bit values for Offline to offline(10), Link
                    Failure to remoteFault(5) and Auto-Negotiation
                    Error to autoNegError(11).

                    For 10 Gb/s, the enumerations map to the states
                    within the Reconciliation Sublayer state diagram



                    as follows:
                      NoFault maps to the enumeration 'available(3)'
                      LocalFault maps to the enumeration
                        'notAvailable(4)'
                      RemoteFault maps to the enumeration
                        'remoteFault(5)'
                    The enumerations 'pmdLinkFault(12)',
                    'wisFrameLoss(13)', 'wisSignalLoss(14)',
                    'pcsLinkFault(15)', 'excessiveBER(16)', and
                    'dxsLinkFault(17)' and 'pxsLinkFault(18)' should
                    be used instead of the enumeration
                    'notAvailable(4)' where the reason for the local
                    fault can be identified through the use of the
                    MDIO Interface.  Where multiple reasons for the
                    local fault state can be identified only the
                    highest precedence error should be reported.
                    The precedence in descending order is as
                    follows:
                        pxsLinkFault
                        pmdLinkFault
                        wisFrameLoss
                        wisSignalLoss
                        pcsLinkFault
                        excessiveBER
                        dxsLinkFault"
        REFERENCE   "[IEEE 802.3 Std], 30.5.1.1.4, aMediaAvailable."

        ::= { ifMauEntry 5 }

    ifMauMediaAvailableStateExits OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of the number of times that
                    ifMauMediaAvailable for this MAU instance leaves
                    the state available(3).

                    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], 30.5.1.1.5,
                    aLoseMediaCounter.
                    RFC 2863, ifCounterDiscontinuityTime."
        ::= { ifMauEntry 6 }

    ifMauJabberState OBJECT-TYPE
        SYNTAX      INTEGER {



                        other(1),
                        unknown(2),
                        noJabber(3),
                        jabbering(4)
                    }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "The value other(1) is returned if the jabber
                    state is not 2, 3, or 4.  The agent MUST always
                    return other(1) for MAU type dot3MauTypeAUI.

                    The value unknown(2) is returned when the MAU's
                    true state is unknown; for example, when it is
                    being initialized.

                    If the MAU is not jabbering the agent returns
                    noJabber(3).  This is the 'normal' state.

                    If the MAU is in jabber state the agent returns
                    the jabbering(4) value."
        REFERENCE   "[IEEE 802.3 Std], 30.5.1.1.6,
                    aJabber.jabberFlag."
        ::= { ifMauEntry 7 }

    ifMauJabberingStateEnters OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of the number of times that
                    mauJabberState for this MAU instance enters the
                    state jabbering(4). This counter will always
                    indicate zero for MAUs of type dot3MauTypeAUI
                    and those of speeds above 10Mbps.

                    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], 30.5.1.1.6,
                    aJabber.jabberCounter.
                    RFC 2863, ifCounterDiscontinuityTime."
        ::= { ifMauEntry 8 }

    ifMauFalseCarriers OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of the number of false carrier events



                    during IDLE in 100BASE-X and 1000BASE-X links.

                    For all other MAU types, this counter will
                    always indicate zero. This counter does not
                    increment at the symbol rate.

                    It can increment after a valid carrier
                    completion at a maximum rate of once per 100 ms
                    for 100BASE-X and once per 10us for 1000BASE-X
                    until the next CarrierEvent.

                    This counter can roll over very quickly.  A
                    management station is advised to poll the
                    ifMauHCFalseCarriers instead of this counter in
                    order to avoid loss of information.

                    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], 30.5.1.1.10, aFalseCarriers.
                    RFC 2863, ifCounterDiscontinuityTime."
        ::= { ifMauEntry 9 }

    ifMauTypeList OBJECT-TYPE
        SYNTAX      Integer32
        MAX-ACCESS  read-only
        STATUS      deprecated
        DESCRIPTION "********* THIS OBJECT IS DEPRECATED **********

                    This object has been deprecated in favour of
                    ifMauTypeListBits.

                    A value that uniquely identifies the set of
                    possible IEEE 802.3 types that the MAU could be.
                    The value is a sum which initially takes the
                    value zero.  Then, for each type capability of
                    this MAU, 2 raised to the power noted below is
                    added to the sum. For example, a MAU which has
                    the capability to be only 10BASE-T would have a
                    value of 512 (2**9).  In contrast, a MAU which
                    supports both 10Base-T (full duplex) and
                    100BASE-TX (full duplex) would have a value of
                    ((2**11) + (2**16)) or 67584.

                    The powers of 2 assigned to the capabilities are
                    these:




                    Power  Capability
                      0      other or unknown
                      1      AUI
                      2      10BASE-5
                      3      FOIRL
                      4      10BASE-2
                      5      10BASE-T duplex mode unknown
                      6      10BASE-FP
                      7      10BASE-FB
                      8      10BASE-FL duplex mode unknown
                      9      10BROAD36
                     10      10BASE-T  half duplex mode
                     11      10BASE-T  full duplex mode
                     12      10BASE-FL half duplex mode
                     13      10BASE-FL full duplex mode
                     14      100BASE-T4
                     15      100BASE-TX half duplex mode
                     16      100BASE-TX full duplex mode
                     17      100BASE-FX half duplex mode
                     18      100BASE-FX full duplex mode
                     19      100BASE-T2 half duplex mode
                     20      100BASE-T2 full duplex mode

                    If auto-negotiation is present on this MAU, this
                    object will map to ifMauAutoNegCapability."
        ::= { ifMauEntry 10 }

    ifMauDefaultType OBJECT-TYPE
        SYNTAX      AutonomousType
        MAX-ACCESS  read-write
        STATUS      current
        DESCRIPTION "This object identifies the default
                    administrative baseband MAU type, to be used in
                    conjunction with the operational MAU type
                    denoted by ifMauType.

                    The set of possible values for this object is
                    the same as the set defined for the ifMauType
                    object.

                    This object represents the