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//
// This module has been generated by smidump 0.4.5. Do not edit.
//
module MAU-MIB {

  import IANA-MAU-MIB         (IANAifJackType, 
                               IANAifMauAutoNegCapBits, 
                               IANAifMauMediaAvailable, 
                               IANAifMauTypeListBits);
  import IF-MIB               (InterfaceIndex);
  import IRTF-NMRG-SMING      (Counter32, Counter64, TruthValue);
  import IRTF-NMRG-SMING-SNMP (AutonomousType, mib-2);

//
// MODULE META INFORMATION
//

  organization      
     "IETF Ethernet Interfaces and Hub MIB Working Group";

  contact           
     "WG charter:
      http://www.ietf.org/html.charters/hubmib-charter.html
      
      Mailing Lists:
      General Discussion: hubmib@ietf.org
      To Subscribe: hubmib-request@ietf.org
      In Body: subscribe your_email_address
      
      
      
      Chair: Bert Wijnen
      Postal: Alcatel-Lucent
            Schagen 33
            3461 GL Linschoten
            Netherlands
      Phone: +31-348-407-775
      EMail: bwijnen@alcatel-lucent.com
      
      Editor: Edward Beili
      Postal: Actelis Networks Inc.
            25 Bazel St., P.O.B. 10173
            Petach-Tikva 10173
            Israel
       Tel: +972-3-924-3491
      EMail: edward.beili@actelis.com";

  description       
     "Management information for 802.3 MAUs.
      
      The following reference is used throughout this MIB module:
      
      [IEEE802.3] refers to:
         IEEE Std 802.3, 2005 Edition: 'IEEE Standard for Information
         technology - Telecommunications and information exchange
         between systems - Local and metropolitan area networks -
         Specific requirements - Part 3: Carrier sense multiple
         access with collision detection (CSMA/CD) access method and
         physical layer specifications'.
      
         Of particular interest is Clause 30, 'Management'.
      
      Copyright (C) The IETF Trust (2007).
      This version of this MIB module is part of RFC 4836;
      see the RFC itself for full legal notices.";

  revision {
    date            "2007-04-21 00:00";
    description     
       "Updated to reference IANA maintaned textual
        conventions for MAU types, Media Availability state,
        Auto Negotiation capabilities, and jack types,
        instead of using internally defined values.
        
        This version is published as RFC 4836.";
  };
  revision {
    date            "2003-09-19 00:00";
    description     
       "Updated to include support for 10 Gb/s MAUs.
        This resulted in the following revisions:
        - Added OBJECT-IDENTITY definitions for
          10 gigabit MAU types
        
        
        
        - Added fiberLC jack type to JackType TC
        - Extended ifMauTypeListBits with bits for
          the 10 gigabit MAU types
        - Added enumerations to ifMauMediaAvailable,
          and updated its DESCRIPTION to reflect
          behaviour at 10 Gb/s
        - Added 64-bit version of ifMauFalseCarriers
          and added mauIfGrpHCStats object group to
          contain the new object
        - Deprecated mauModIfCompl2 and replaced it
          with mauModIfCompl3, which includes the new
          object group
        
         This version published as RFC 3636.";
  };
  revision {
    date            "1999-08-24 04:00";
    description     
       "This version published as RFC 2668.  Updated
        to include support for 1000 Mb/sec
        MAUs and flow control negotiation.";
  };
  revision {
    date            "1997-10-31 00:00";
    description     
       "Version published as RFC 2239.";
  };
  revision {
    date            "1993-09-30 00:00";
    description     
       "Initial version, published as RFC 1515.";
  };

  identity          mauMod;

//
// TYPE DEFINITIONS
//

  typedef JackType {
    type            Enumeration (other(1), rj45(2), rj45S(3), 
                      db9(4), bnc(5), fAUI(6), mAUI(7), 
                      fiberSC(8), fiberMIC(9), fiberST(10), 
                      telco(11), mtrj(12), hssdc(13), 
                      fiberLC(14));
    status          deprecated;
    description     
       "********* THIS TC IS DEPRECATED **********
        
        This TC has been deprecated in favour of
        IANAifJackType.
        
        Common enumeration values for repeater
        and interface MAU jack types.";
  };

//
// OBJECT DEFINITIONS
//


  node snmpDot3MauMgt {
    oid             mib-2.26;
  };

  node snmpDot3MauTraps {
    oid             snmpDot3MauMgt.0;
  };

  node dot3RpMauBasicGroup {
    oid             snmpDot3MauMgt.1;
  };

  table rpMauTable {
    oid             dot3RpMauBasicGroup.1;
    description     
       "Table of descriptive and status information
        about the MAU(s) attached to the ports of a
        repeater.";

    row rpMauEntry {
      oid           rpMauTable.1;
      index         (rpMauGroupIndex, rpMauPortIndex, rpMauIndex);
      description   
         "An entry in the table, containing information
          about a single MAU.";

      column rpMauGroupIndex {
        oid         rpMauEntry.1;
        type        Integer32 (1..2147483647);
        access      readonly;
        description 
           "This variable uniquely identifies the group
            containing the port to which the MAU described
            by this entry is connected.
            
            Note:  In practice, a group will generally be
            a field-replaceable unit (i.e., module, card,
            or board) that can fit in the physical system
            enclosure, and the group number will correspond
            to a number marked on the physical enclosure.
            
            The group denoted by a particular value of this
            object is the same as the group denoted by the
            same value of rptrGroupIndex.";
        reference   
           "RFC 2108, rptrGroupIndex.";
      };

      column rpMauPortIndex {
        oid         rpMauEntry.2;
        type        Integer32 (1..2147483647);
        access      readonly;
        description 
           "This variable uniquely identifies the repeater
            port within group rpMauGroupIndex to which the
            MAU described by this entry is connected.";
        reference   
           "RFC 2108, rptrPortIndex.";
      };

      column rpMauIndex {
        oid         rpMauEntry.3;
        type        Integer32 (1..2147483647);
        access      readonly;
        description 
           "This variable uniquely identifies the MAU
            described by this entry from among other
            MAUs connected to the same port
            (rpMauPortIndex).";
        reference   
           "[IEEE802.3], 30.5.1.1.1, aMAUID.";
      };

      column rpMauType {
        oid         rpMauEntry.4;
        type        AutonomousType;
        access      readonly;
        description 
           "This object identifies the MAU type.  Values for
            standard IEEE 802.3 MAU types are defined in the
            IANA maintained IANA-MAU-MIB module, as
            OBJECT-IDENTITIES of dot3MauType.
            If the MAU type is unknown, the object identifier
            zeroDotZero is returned.";
        reference   
           "[IEEE802.3], 30.5.1.1.2, aMAUType.";
      };

      column rpMauStatus {
        oid         rpMauEntry.5;
        type        Enumeration (other(1), unknown(2), 
                      operational(3), standby(4), shutdown(5), 
                      reset(6));
        access      readwrite;
        description 
           "The current state of the MAU.  This object MAY
            be implemented as a read-only object by those
            agents and MAUs that do not implement software
            control of the MAU state.  Some agents may not
            support setting the value of this object to some
            of the enumerated values.
            
            The value other(1) is returned if the MAU is in
            a state other than one of the states 2 through
            6.
            
            
            
            The value unknown(2) is returned when the MAU's
            true state is unknown; for example, when it is
            being initialized.
            
            A MAU in the operational(3) state is fully
            functional; it operates, and passes signals to its
            attached DTE or repeater port in accordance to
            its specification.
            
            A MAU in standby(4) state forces DI and CI to
            idle, and the media transmitter to idle or fault,
            if supported.  Standby(4) mode only applies to
            link type MAUs.  The state of
            rpMauMediaAvailable 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
            rpMauJabberState and rpMauMediaAvailable 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   
           "[IEEE802.3], 30.5.1.1.7, aMAUAdminState,
            30.5.1.2.2, acMAUAdminControl, and 30.5.1.2.1,
            acResetMAU.";
      };

      column rpMauMediaAvailable {
        oid         rpMauEntry.6;
        type        IANAifMauMediaAvailable;
        access      readonly;
        description 
           "This object identifies Media Available state of
            the MAU, complementary to the rpMauStatus.  Values
            for the standard IEEE 802.3 Media Available states
            are defined in the IANA maintained IANA-MAU-MIB
            
            
            
            module, as IANAifMauMediaAvailable TC.";
        reference   
           "[IEEE802.3], 30.5.1.1.4, aMediaAvailable.";
      };

      column rpMauMediaAvailableStateExits {
        oid         rpMauEntry.7;
        type        Counter32;
        access      readonly;
        description 
           "A count of the number of times that
            rpMauMediaAvailable 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 rptrMonitorPortLastChange.";
        reference   
           "[IEEE802.3], 30.5.1.1.5, aLoseMediaCounter.
            RFC 2108, rptrMonitorPortLastChange";
      };

      column rpMauJabberState {
        oid         rpMauEntry.8;
        type        Enumeration (other(1), unknown(2), 
                      noJabber(3), jabbering(4));
        access      readonly;
        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   
           "[IEEE802.3], 30.5.1.1.6, aJabber.jabberFlag.";
      };

      column rpMauJabberingStateEnters {
        oid         rpMauEntry.9;
        type        Counter32;
        access      readonly;
        description 
           "A count of the number of times that
            mauJabberState for this MAU instance enters the
            state jabbering(4).  For MAUs of type
            dot3MauTypeAUI, dot3MauType100BaseT4,
            dot3MauType100BaseTX, dot3MauType100BaseFX, and
            all 1000Mbps types, this counter will always
            indicate zero.
            
            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 rptrMonitorPortLastChange.";
        reference   
           "[IEEE802.3], 30.5.1.1.6, aJabber.jabberCounter.
            RFC 2108, rptrMonitorPortLastChange";
      };

      column rpMauFalseCarriers {
        oid         rpMauEntry.10;
        type        Counter32;
        access      readonly;
        description 
           "A count of the number of false carrier events
            during IDLE in 100BASE-X links.  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 until the next
            carrier event.
            
            This counter increments only for MAUs of type
            dot3MauType100BaseT4, dot3MauType100BaseTX,
            dot3MauType100BaseFX, and all 1000Mbps types.
            
            For all other MAU types, this counter will
            always indicate zero.
            
            The approximate minimum time for rollover of
            this counter is 7.4 hours.
            
            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 rptrMonitorPortLastChange.";
        reference   
           "[IEEE802.3], 30.5.1.1.10, aFalseCarriers.
            RFC 2108, rptrMonitorPortLastChange";
      };
    };
  };

  table rpJackTable {
    oid             dot3RpMauBasicGroup.2;
    description     
       "Information about the external jacks attached
        to MAUs attached to the ports of a repeater.";

    row rpJackEntry {
      oid           rpJackTable.1;
      index         (rpMauGroupIndex, rpMauPortIndex, rpMauIndex, 
                     rpJackIndex);
      description   
         "An entry in the table, containing information
          about a particular jack.";

      column rpJackIndex {
        oid         rpJackEntry.1;
        type        Integer32 (1..2147483647);
        access      noaccess;
        description 
           "This variable uniquely identifies the jack
            described by this entry from among other jacks
            attached to the same MAU (rpMauIndex).";
      };

      column rpJackType {
        oid         rpJackEntry.2;
        type        IANAifJackType;
        access      readonly;
        description 
           "The jack connector type, as it appears on the
            outside of the system.";
      };
    };
  };

  node dot3IfMauBasicGroup {
    oid             snmpDot3MauMgt.2;
  };

  table ifMauTable {
    oid             dot3IfMauBasicGroup.1;
    description     
       "Table of descriptive and status information
        about MAU(s) attached to an interface.";

    row ifMauEntry {
      oid           ifMauTable.1;
      index         (ifMauIfIndex, ifMauIndex);
      description   
         "An entry in the table, containing information
          about a single MAU.";

      column ifMauIfIndex {
        oid         ifMauEntry.1;
        type        InterfaceIndex;
        access      readonly;
        description 
           "This variable uniquely identifies the interface
            to which the MAU described by this entry is
            connected.";
        reference   
           "RFC 2863, ifIndex";
      };

      column ifMauIndex {
        oid         ifMauEntry.2;
        type        Integer32 (1..2147483647);
        access      readonly;
        description 
           "This variable uniquely identifies the MAU
            described by this entry from among other MAUs
            connected to the same interface (ifMauIfIndex).";
        reference   
           "[IEEE802.3], 30.5.1.1.1, aMAUID.";
      };

      column ifMauType {
        oid         ifMauEntry.3;
        type        AutonomousType;
        access      readonly;
        description 
           "This object identifies the MAU type.  Values for
            standard IEEE 802.3 MAU types are defined in the
            IANA maintained IANA-MAU-MIB module, as
            OBJECT-IDENTITIES of dot3MauType.
            If the MAU type is unknown, the object identifier
            zeroDotZero is returned.
            
            This object represents the operational type of
            the MAU, 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 this MAU, by the value of the
            object ifMauDefaultType.  In case 2), a set to
            the object ifMauDefaultType will force the MAU
            into the new operating mode.";
        reference   
           "[IEEE802.3], 30.5.1.1.2, aMAUType.";
      };

      column ifMauStatus {
        oid         ifMauEntry.4;
        type        Enumeration (other(1), unknown(2), 
                      operational(3), standby(4), shutdown(5), 
                      reset(6));
        access      readwrite;
        description 
           "The current state of the MAU.  This object MAY
            be implemented as a read-only object by those
            agents and MAUs that do not implement software
            control of the MAU state.  Some agents may not
            
            
            
            support setting the value of this object to some
            of the enumerated values.
            
            The value other(1) is returned if the MAU is in
            a state other than one of the states 2 through
            6.
            
            The value unknown(2) is returned when the MAU's
            true state is unknown; for example, when it is
            being initialized.
            
            A MAU in the operational(3) state is fully
            functional; it operates, and passes signals to its
            attached DTE or repeater port in accordance to
            its specification.
            
            A MAU in standby(4) state forces DI and CI to
            idle and the media transmitter to idle or fault,
            if supported.  Standby(4) mode only applies to
            link type MAUs.  The state of
            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   
           "[IEEE802.3], 30.5.1.1.7, aMAUAdminState,
            30.5.1.2.2, acMAUAdminControl, and 30.5.1.2.1,
            acResetMAU.";
      };

      column ifMauMediaAvailable {
        oid         ifMauEntry.5;
        type        IANAifMauMediaAvailable;
        access      readonly;
        description 
           "This object identifies Media Available state of
            the MAU, complementary to the ifMauStatus.  Values
            for the standard IEEE 802.3 Media Available states
            are defined in the IANA maintained IANA-MAU-MIB
            module, as IANAifMauMediaAvailable TC.";
        reference   
           "[IEEE802.3], 30.5.1.1.4, aMediaAvailable.";
      };

      column ifMauMediaAvailableStateExits {
        oid         ifMauEntry.6;
        type        Counter32;
        access      readonly;
        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   
           "[IEEE802.3], 30.5.1.1.5, aLoseMediaCounter.
            RFC 2863, ifCounterDiscontinuityTime.";
      };

      column ifMauJabberState {
        oid         ifMauEntry.7;
        type        Enumeration (other(1), unknown(2), 
                      noJabber(3), jabbering(4));
        access      readonly;
        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   
           "[IEEE802.3], 30.5.1.1.6, aJabber.jabberFlag.";
      };

      column ifMauJabberingStateEnters {
        oid         ifMauEntry.8;
        type        Counter32;
        access      readonly;
        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   
           "[IEEE802.3], 30.5.1.1.6, aJabber.jabberCounter.
            RFC 2863, ifCounterDiscontinuityTime.";
      };

      column ifMauFalseCarriers {
        oid         ifMauEntry.9;
        type        Counter32;
        access      readonly;
        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   
           "[IEEE802.3], 30.5.1.1.10, aFalseCarriers.
            
            
            
            RFC 2863, ifCounterDiscontinuityTime.";
      };

      column ifMauTypeList {
        oid         ifMauEntry.10;
        type        Integer32;
        access      readonly;
        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 that 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 that has
            the capability to be only 10BASE-T would have a
            value of 512 (2**9).  In contrast, a MAU that
            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.";
      };

      column ifMauDefaultType {
        oid         ifMauEntry.11;
        type        AutonomousType;
        access      readwrite;
        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
            administratively-configured type of the MAU.  If
            auto-negotiation is not enabled or is not
            implemented for this MAU, the value of this
            object determines the operational type of the
            MAU.  In this case, a set to this object will
            force the MAU into the specified operating mode.
            
            If auto-negotiation is implemented and enabled
            for this MAU, the operational type of the MAU
            is determined by auto-negotiation, and the value
            of this object denotes the type to which the MAU
            will automatically revert if/when
            auto-negotiation is later disabled.
            
            NOTE TO IMPLEMENTORS:  It may be necessary to
            provide for underlying hardware implementations
            which do not follow the exact behavior specified
            above.  In particular, when
            ifMauAutoNegAdminStatus transitions from enabled
            to disabled, the agent implementation MUST
            ensure that the operational type of the MAU (as
            reported by ifMauType) correctly transitions to
            the value specified by this object, rather than
            continuing to operate at the value earlier
            determined by the auto-negotiation function.";
        reference   
           "[IEEE802.3], 30.5.1.1.1, aMAUID, and 22.2.4.1.4.";
      };

      column ifMauAutoNegSupported {
        oid         ifMauEntry.12;
        type        TruthValue;
        access      readonly;
        description 
           "This object indicates whether or not
            auto-negotiation is supported on this MAU.";
      };

      column ifMauTypeListBits {
        oid         ifMauEntry.13;
        type        IANAifMauTypeListBits;
        access      readonly;
        description 
           "A value that uniquely identifies the set of
            possible IEEE 802.3 types that the MAU could be.
            If auto-negotiation is present on this MAU, this
            object will map to ifMauAutoNegCapabilityBits.
            
            Note that this MAU may be capable of operating
            as a MAU type that is beyond the scope of this
            MIB.  This is indicated by returning the
            bit value bOther in addition to any bit values
            for standard capabilities that are listed in the
            IANAifMauTypeListBits TC.";
      };

      column ifMauHCFalseCarriers {
        oid         ifMauEntry.14;
        type        Counter64;
        access      readonly;
        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.
            
            This counter is a 64-bit version of
            ifMauFalseCarriers.  Since the 32-bit version of
            this counter can roll over very quickly,
            management stations are advised to poll the
            64-bit version instead, 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   
           "[IEEE802.3], 30.5.1.1.10, aFalseCarriers.
            
            
            
            RFC 2863, ifCounterDiscontinuityTime.";
      };
    };
  };

  table ifJackTable {
    oid             dot3IfMauBasicGroup.2;
    description     
       "Information about the external jacks attached
        to MAUs attached to an interface.";

    row ifJackEntry {
      oid           ifJackTable.1;
      index         (ifMauIfIndex, ifMauIndex, ifJackIndex);
      description   
         "An entry in the table, containing information
          about a particular jack.";

      column ifJackIndex {
        oid         ifJackEntry.1;
        type        Integer32 (1..2147483647);
        access      noaccess;
        description 
           "This variable uniquely identifies the jack
            described by this entry from among other jacks
            attached to the same MAU.";
      };

      column ifJackType {
        oid         ifJackEntry.2;
        type        IANAifJackType;
        access      readonly;
        description 
           "The jack connector type, as it appears on the
            outside of the system.";
      };
    };
  };

  node dot3BroadMauBasicGroup {
    oid             snmpDot3MauMgt.3;
  };

  table broadMauBasicTable {
    oid             dot3BroadMauBasicGroup.1;
    status          deprecated;
    description     
       "********* THIS OBJECT IS DEPRECATED **********
        
        This entire table has been deprecated.  There
        have been no reported implementations of this
        table, and it is unlikely that there ever will
        be.  IEEE recommends that broadband MAU types
        should not be used for new installations.
        
        Table of descriptive and status information
        
        
        
        about the broadband MAUs connected to
        interfaces.";

    row broadMauBasicEntry {
      oid           broadMauBasicTable.1;
      index         (broadMauIfIndex, broadMauIndex);
      status        deprecated;
      description   
         "********* THIS OBJECT IS DEPRECATED **********
          
          An entry in the table, containing information
          about a single broadband MAU.";

      column broadMauIfIndex {
        oid         broadMauBasicEntry.1;
        type        InterfaceIndex;
        access      readonly;
        status      deprecated;
        description 
           "********* THIS OBJECT IS DEPRECATED **********
            
            This variable uniquely identifies the interface
            to which the MAU described by this entry is
            connected.";
        reference   
           "RFC 2863, ifIndex.";
      };

      column broadMauIndex {
        oid         broadMauBasicEntry.2;
        type        Integer32 (1..2147483647);
        access      readonly;
        status      deprecated;
        description 
           "********* THIS OBJECT IS DEPRECATED **********
            
            This variable uniquely identifies the MAU
            connected to interface broadMauIfIndex that is
            
            
            
            described by this entry.";
        reference   
           "[IEEE802.3], 30.5.1.1.1, aMAUID.";
      };

      column broadMauXmtRcvSplitType {
        oid         broadMauBasicEntry.3;
        type        Enumeration (other(1), single(2), dual(3));
        access      readonly;
        status      deprecated;
        description 
           "********* THIS OBJECT IS DEPRECATED **********
            
            This object indicates the type of frequency
            multiplexing/cabling system used to separate the
            transmit and receive paths for the 10BROAD36
            MAU.
            
            The value other(1) is returned if the split type
            is not either single or dual.
            
            The value single(2) indicates a single cable
            system.  The value dual(3) indicates a dual
            cable system, offset normally zero.";
        reference   
           "[IEEE802.3], 30.5.1.1.8, aBbMAUXmitRcvSplitType.";
      };

      column broadMauXmtCarrierFreq {
        oid         broadMauBasicEntry.4;
        type        Integer32;
        access      readonly;
        status      deprecated;
        description 
           "********* THIS OBJECT IS DEPRECATED **********
            
            This variable indicates the transmit carrier
            frequency of the 10BROAD36 MAU in MHz/4; that
            is, in units of 250 kHz.";
        reference   
           "[IEEE802.3], 30.5.1.1.9,
            aBroadbandFrequencies.xmitCarrierFrequency.";
      };

      column broadMauTranslationFreq {
        oid         broadMauBasicEntry.5;
        type        Integer32;
        access      readonly;
        status      deprecated;
        description 
           "********* THIS OBJECT IS DEPRECATED **********
            
            This variable indicates the translation offset
            
            
            
            frequency of the 10BROAD36 MAU in MHz/4; that
            is, in units of 250 kHz.";
        reference   
           "[IEEE802.3], 30.5.1.1.9,
            aBroadbandFrequencies.translationFrequency.";
      };
    };
  };

  node dot3IfMauAutoNegGroup {
    oid             snmpDot3MauMgt.5;
  };

  table ifMauAutoNegTable {
    oid             dot3IfMauAutoNegGroup.1;
    description     
       "Configuration and status objects for the
        auto-negotiation function of MAUs attached to
        interfaces.
        
        The ifMauAutoNegTable applies to systems in
        which auto-negotiation is supported on one or
        more MAUs attached to interfaces.  Note that if
        auto-negotiation is present and enabled, the
        ifMauType object reflects the result of the
        auto-negotiation function.";

    row ifMauAutoNegEntry {
      oid           ifMauAutoNegTable.1;
      index         (ifMauIfIndex, ifMauIndex);
      description   
         "An entry in the table, containing configuration
          and status information for the auto-negotiation
          function of a particular MAU.";

      column ifMauAutoNegAdminStatus {
        oid         ifMauAutoNegEntry.1;
        type        Enumeration (enabled(1), disabled(2));
        access      readwrite;
        description 
           "Setting this object to enabled(1) will cause
            the interface that has the auto-negotiation
            signaling ability to be enabled.
            
            If the value of this object is disabled(2) then
            the interface will act as it would if it had no
            auto-negotiation signaling.  Under these
            conditions, an IEEE 802.3 MAU will immediately
            be forced to the state indicated by the value of
            the object ifMauDefaultType.
            
            NOTE TO IMPLEMENTORS:  When
            ifMauAutoNegAdminStatus transitions from enabled
            to disabled, the agent implementation MUST
            ensure that the operational type of the MAU (as
            reported by ifMauType) correctly transitions to
            the value specified by the ifMauDefaultType
            object, rather than continuing to operate at the
            value earlier determined by the auto-negotiation
            function.";
        reference   
           "[IEEE802.3], 30.6.1.1.2, aAutoNegAdminState,
            and 30.6.1.2.2, acAutoNegAdminControl.";
      };

      column ifMauAutoNegRemoteSignaling {
        oid         ifMauAutoNegEntry.2;
        type        Enumeration (detected(1), notdetected(2));
        access      readonly;
        description 
           "A value indicating whether the remote end of
            the link is using auto-negotiation signaling.  It
            takes the value detected(1) if and only if,
            during the previous link negotiation, FLP Bursts
            were received.";
        reference   
           "[IEEE802.3], 30.6.1.1.3,
            aAutoNegRemoteSignaling.";
      };

      column ifMauAutoNegConfig {
        oid         ifMauAutoNegEntry.4;
        type        Enumeration (other(1), configuring(2), 
                      complete(3), disabled(4), 
                      parallelDetectFail(5));
        access      readonly;
        description 
           "A value indicating the current status of the
            auto-negotiation process.  The enumeration
            parallelDetectFail(5) maps to a failure in
            parallel detection as defined in 28.2.3.1 of
            [IEEE802.3].";
        reference   
           "[IEEE802.3], 30.6.1.1.4, aAutoNegAutoConfig.";
      };

      column ifMauAutoNegCapability {
        oid         ifMauAutoNegEntry.5;
        type        Integer32;
        access      readonly;
        status      deprecated;
        description 
           "********* THIS OBJECT IS DEPRECATED **********
            
            This object has been deprecated in favour of
            ifMauAutoNegCapabilityBits.
            
            A value that uniquely identifies the set of
            capabilities of the local auto-negotiation
            entity.  The value is a sum that initially
            takes the value zero.  Then, for each capability
            of this interface, 2 raised to the power noted
            below is added to the sum.  For example, an
            interface that has the capability to support
            only 100Base-TX half duplex would have a value
            of 32768 (2**15).  In contrast, an interface
            that supports both 100Base-TX half duplex and
            100Base-TX full duplex would have a value of
            98304 ((2**15) + (2**16)).
            
            The powers of 2 assigned to the capabilities are
            these:
            
            Power   Capability
              0       other or unknown
             (1-9)    (reserved)
             10       10BASE-T  half duplex mode
             11       10BASE-T  full duplex mode
             12       (reserved)
            
            
            
             13       (reserved)
             14       100BASE-T4
             15       100BASE-TX half duplex mode
             16       100BASE-TX full duplex mode
             17       (reserved)
             18       (reserved)
             19      100BASE-T2 half duplex mode
             20      100BASE-T2 full duplex mode
            
            Note that interfaces that support this MIB may
            have capabilities that extend beyond the scope
            of this MIB.";
        reference   
           "[IEEE802.3], 30.6.1.1.5,
            aAutoNegLocalTechnologyAbility.";
      };

      column ifMauAutoNegCapAdvertised {
        oid         ifMauAutoNegEntry.6;
        type        Integer32;
        access      readwrite;
        status      deprecated;
        description 
           "********* THIS OBJECT IS DEPRECATED **********
            
            This object has been deprecated in favour of
            ifMauAutoNegCapAdvertisedBits.
            
            A value that uniquely identifies the set of
            capabilities advertised by the local
            auto-negotiation entity. Refer to
            ifMauAutoNegCapability for a description of the
            possible values of this object.
            
            Capabilities in this object that are not
            available in ifMauAutoNegCapability cannot be
            enabled.";
        reference   
           "[IEEE802.3], 30.6.1.1.6,
            aAutoNegAdvertisedTechnologyAbility.";
      };

      column ifMauAutoNegCapReceived {
        oid         ifMauAutoNegEntry.7;
        type        Integer32;
        access      readonly;
        status      deprecated;
        description 
           "********* THIS OBJECT IS DEPRECATED **********
            
            This object has been deprecated in favour of
            ifMauAutoNegCapReceivedBits.
            
            A value that uniquely identifies the set of
            
            
            
            capabilities received from the remote
            auto-negotiation entity. Refer to
            ifMauAutoNegCapability for a description of the
            possible values of this object.
            
            Note that interfaces that support this MIB may
            be attached to remote auto-negotiation entities
            that have capabilities beyond the scope of this
            MIB.";
        reference   
           "[IEEE802.3], 30.6.1.1.7,
            aAutoNegReceivedTechnologyAbility.";
      };

      column ifMauAutoNegRestart {
        oid         ifMauAutoNegEntry.8;
        type        Enumeration (restart(1), norestart(2));
        access      readwrite;
        description 
           "If the value of this object is set to
            restart(1) then this will force auto-negotiation
            to begin link renegotiation.  If auto-negotiation
            signaling is disabled, a write to this object
            has no effect.
            Setting the value of this object to norestart(2)
            has no effect.";
        reference   
           "[IEEE802.3], 30.6.1.2.1,
            acAutoNegRestartAutoConfig.";
      };

      column ifMauAutoNegCapabilityBits {
        oid         ifMauAutoNegEntry.9;
        type        IANAifMauAutoNegCapBits;
        access      readonly;
        description 
           "A value that uniquely identifies the set of
            capabilities of the local auto-negotiation
            entity.  Note that interfaces that support this
            MIB may have capabilities that extend beyond the
            scope of this MIB.
            
            Note that the local auto-negotiation entity may
            support some capabilities beyond the scope of
            this MIB.  This is indicated by returning the
            bit value bOther in addition to any bit values
            for standard capabilities that are listed in the
            IANAifMauAutoNegCapBits TC.";
        reference   
           "[IEEE802.3], 30.6.1.1.5,
            aAutoNegLocalTechnologyAbility.";
      };

      column ifMauAutoNegCapAdvertisedBits {
        oid         ifMauAutoNegEntry.10;
        type        IANAifMauAutoNegCapBits;
        access      readwrite;
        description 
           "A value that uniquely identifies the set of
            capabilities advertised by the local
            auto-negotiation entity.
            
            Capabilities in this object that are not
            available in ifMauAutoNegCapabilityBits cannot
            be enabled.
            
            Note that the local auto-negotiation entity may
            advertise some capabilities beyond the scope of
            this MIB.  This is indicated by returning the
            bit value bOther in addition to any bit values
            for standard capabilities that are listed in the
            IANAifMauAutoNegCapBits TC.";
        reference   
           "[IEEE802.3], 30.6.1.1.6,
            aAutoNegAdvertisedTechnologyAbility.";
      };

      column ifMauAutoNegCapReceivedBits {
        oid         ifMauAutoNegEntry.11;
        type        IANAifMauAutoNegCapBits;
        access      readonly;
        description 
           "A value that uniquely identifies the set of
            capabilities received from the remote
            auto-negotiation entity.
            Note that interfaces that support this MIB may
            be attached to remote auto-negotiation entities
            that have capabilities beyond the scope of this
            MIB.  This is indicated by returning the bit
            value bOther in addition to any bit values for
            standard capabilities that are listed in the
            IANAifMauAutoNegCapBits TC.";
        reference   
           "[IEEE802.3], 30.6.1.1.7,
            aAutoNegReceivedTechnologyAbility.";
      };

      column ifMauAutoNegRemoteFaultAdvertised {
        oid         ifMauAutoNegEntry.12;
        type        Enumeration (noError(1), offline(2), 
                      linkFailure(3), autoNegError(4));
        access      readwrite;
        description 
           "A value that identifies any local fault
            indications that this MAU has detected and will
            advertise at the next auto-negotiation
            interaction for 1000Mbps MAUs.";
        reference   
           "[IEEE802.3], 30.6.1.1.6,
            aAutoNegAdvertisedTechnologyAbility.";
      };

      column ifMauAutoNegRemoteFaultReceived {
        oid         ifMauAutoNegEntry.13;
        type        Enumeration (noError(1), offline(2), 
                      linkFailure(3), autoNegError(4));
        access      readonly;
        description 
           "A value that identifies any fault indications
            received from the far end of a link by the
            local auto-negotiation entity for 1000Mbps
            MAUs.";
        reference   
           "[IEEE802.3], 30.6.1.1.7,
            aAutoNegReceivedTechnologyAbility.";
      };
    };
  };

  node mauMod {
    oid             snmpDot3MauMgt.6;
  };

  node mauModConf {
    oid             mauMod.1;
  };

  node mauModCompls {
    oid             mauModConf.1;
  };

  node mauModObjGrps {
    oid             mauModConf.2;
  };

  node mauModNotGrps {
    oid             mauModConf.3;
  };

//
// NOTIFICATION DEFINITIONS
//

  notification rpMauJabberTrap {
    oid             snmpDot3MauTraps.1;
    objects         (rpMauJabberState);
    description     
       "This trap is sent whenever a managed repeater
        MAU enters the jabber state.
        
        The agent MUST throttle the generation of
        consecutive rpMauJabberTraps so that there is at
        least a five-second gap between them.";
    reference       
       "[IEEE802.3], 30.5.1.3.1, nJabber notification.";
  };

  notification ifMauJabberTrap {
    oid             snmpDot3MauTraps.2;
    objects         (ifMauJabberState);
    description     
       "This trap is sent whenever a managed interface
        MAU enters the jabber state.
        
        The agent MUST throttle the generation of
        consecutive ifMauJabberTraps so that there is at
        least a five-second gap between them.";
    reference       
       "[IEEE802.3], 30.5.1.3.1, nJabber notification.";
  };

//
// GROUP DEFINITIONS
//

  group mauRpGrpBasic {
    oid             mauModObjGrps.1;
    members         (rpMauGroupIndex, rpMauPortIndex, rpMauIndex, 
                     rpMauType, rpMauStatus, rpMauMediaAvailable, 
                     rpMauMediaAvailableStateExits, 
                     rpMauJabberState, rpMauJabberingStateEnters);
    description     
       "Basic conformance group for MAUs attached to
        repeater ports.  This group is also the
        conformance specification for RFC 1515
        implementations.";
  };

  group mauRpGrp100Mbs {
    oid             mauModObjGrps.2;
    members         (rpMauFalseCarriers);
    description     
       "Conformance group for MAUs attached to
        repeater ports with 100 Mb/s or greater
        capability.";
  };

  group mauRpGrpJack {
    oid             mauModObjGrps.3;
    members         (rpJackType);
    description     
       "Conformance group for MAUs attached to
        repeater ports with managed jacks.";
  };

  group mauIfGrpBasic {
    oid             mauModObjGrps.4;
    members         (ifMauIfIndex, ifMauIndex, ifMauType, 
                     ifMauStatus, ifMauMediaAvailable, 
                     ifMauMediaAvailableStateExits, 
                     ifMauJabberState, ifMauJabberingStateEnters);
    description     
       "Basic conformance group for MAUs attached to
        interfaces.  This group also provides a
        conformance specification for RFC 1515
        implementations.";
  };

  group mauIfGrp100Mbs {
    oid             mauModObjGrps.5;
    members         (ifMauFalseCarriers, ifMauTypeList, 
                     ifMauDefaultType, ifMauAutoNegSupported);
    status          deprecated;
    description     
       "********* THIS GROUP IS DEPRECATED **********
        
        Conformance group for MAUs attached to
        interfaces with 100 Mb/s capability.
        
        This object group has been deprecated in favor
        of mauIfGrpHighCapacity.";
  };

  group mauIfGrpJack {
    oid             mauModObjGrps.6;
    members         (ifJackType);
    description     
       "Conformance group for MAUs attached to
        interfaces with managed jacks.";
  };

  group mauIfGrpAutoNeg {
    oid             mauModObjGrps.7;
    members         (ifMauAutoNegAdminStatus, 
                     ifMauAutoNegRemoteSignaling, 
                     ifMauAutoNegConfig, ifMauAutoNegCapability, 
                     ifMauAutoNegCapAdvertised, 
                     ifMauAutoNegCapReceived, 
                     ifMauAutoNegRestart);
    status          deprecated;
    description     
       "********* THIS GROUP IS DEPRECATED **********
        
        Conformance group for MAUs attached to
        interfaces with managed auto-negotiation.
        
        This object group has been deprecated in favor
        of mauIfGrpAutoNeg2.";
  };

  group mauBroadBasic {
    oid             mauModObjGrps.8;
    members         (broadMauIfIndex, broadMauIndex, 
                     broadMauXmtRcvSplitType, 
                     broadMauXmtCarrierFreq, 
                     broadMauTranslationFreq);
    status          deprecated;
    description     
       "********* THIS GROUP IS DEPRECATED **********
        Conformance group for broadband MAUs attached
        to interfaces.
        
        This object group is deprecated.  There have
        been no reported implementations of this group,
        and it was felt to be unlikely that there will
        be any future implementations.";
  };

  group mauIfGrpHighCapacity {
    oid             mauModObjGrps.9;
    members         (ifMauFalseCarriers, ifMauTypeListBits, 
                     ifMauDefaultType, ifMauAutoNegSupported);
    description     
       "Conformance group for MAUs attached to
        interfaces with 100 Mb/s or greater capability.";
  };

  group mauIfGrpAutoNeg2 {
    oid             mauModObjGrps.10;
    members         (ifMauAutoNegAdminStatus, 
                     ifMauAutoNegRemoteSignaling, 
                     ifMauAutoNegConfig, 
                     ifMauAutoNegCapabilityBits, 
                     ifMauAutoNegCapAdvertisedBits, 
                     ifMauAutoNegCapReceivedBits, 
                     ifMauAutoNegRestart);
    description     
       "Conformance group for MAUs attached to
        interfaces with managed auto-negotiation.";
  };

  group mauIfGrpAutoNeg1000Mbps {
    oid             mauModObjGrps.11;
    members         (ifMauAutoNegRemoteFaultAdvertised, 
                     ifMauAutoNegRemoteFaultReceived);
    description     
       "Conformance group for 1000Mbps MAUs attached to
        interfaces with managed auto-negotiation.";
  };

  group mauIfGrpHCStats {
    oid             mauModObjGrps.12;
    members         (ifMauHCFalseCarriers);
    description     
       "Conformance for high capacity statistics for
        MAUs attached to interfaces.";
  };

  group rpMauNotifications {
    oid             mauModNotGrps.1;
    members         (rpMauJabberTrap);
    description     
       "Notifications for repeater MAUs.";
  };

  group ifMauNotifications {
    oid             mauModNotGrps.2;
    members         (ifMauJabberTrap);
    description     
       "Notifications for interface MAUs.";
  };

//
// COMPLIANCE DEFINITIONS
//

  compliance mauModRpCompl {
    oid             mauModCompls.1;
    status          deprecated;
    description     
       "******** THIS COMPLIANCE IS DEPRECATED ********
        Compliance for MAUs attached to repeater
        ports.
        
        This compliance is deprecated and replaced by
        mauModRpCompl2, which corrects an oversight by
        allowing rpMauStatus to be implemented
        read-only.";

    mandatory       (mauRpGrpBasic);

    optional mauRpGrp100Mbs {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have 100Mb/s or
          greater capability.";
    };
    optional mauRpGrpJack {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have one or more
          external jacks.";
    };
    optional rpMauNotifications {
      description   
         "Implementation of this group is recommended
          for MAUs attached to repeater ports.";
    };
  };

  compliance mauModIfCompl {
    oid             mauModCompls.2;
    status          deprecated;
    description     
       "******** THIS COMPLIANCE IS DEPRECATED ********
        
        Compliance for MAUs attached to interfaces.
        This compliance is deprecated and replaced by
        mauModIfCompl2.";

    mandatory       (mauIfGrpBasic);

    optional mauIfGrp100Mbs {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have 100Mb/s
          capability.";
    };
    optional mauIfGrpJack {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have one or more
          external jacks.";
    };
    optional mauIfGrpAutoNeg {
      description   
         "Implementation of this group is mandatory
          for MAUs that support managed
          auto-negotiation.";
    };
    optional mauBroadBasic {
      description   
         "Implementation of this group is mandatory
          for broadband MAUs.";
    };
    optional ifMauNotifications {
      description   
         "Implementation of this group is recommended
          for MAUs attached to interfaces.";
    };
  };

  compliance mauModIfCompl2 {
    oid             mauModCompls.3;
    status          deprecated;
    description     
       "******** THIS COMPLIANCE IS DEPRECATED ********
        
        Compliance for MAUs attached to interfaces.
        
        This compliance is deprecated and replaced by
        mauModIfCompl3.";

    mandatory       (mauIfGrpBasic);

    optional mauIfGrpHighCapacity {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have 100Mb/s
          or greater capability.";
    };
    optional mauIfGrpJack {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have one or more
          external jacks.";
    };
    optional mauIfGrpAutoNeg2 {
      description   
         "Implementation of this group is mandatory
          for MAUs that support managed
          auto-negotiation.";
    };
    optional mauIfGrpAutoNeg1000Mbps {
      description   
         "Implementation of this group is mandatory
          for MAUs that have 1000Mb/s or greater
          capability and support managed
          auto-negotiation.";
    };
    optional ifMauNotifications {
      description   
         "Implementation of this group is recommended
          for MAUs attached to interfaces.";
    };

    refine ifMauStatus {
      access        readonly;
      description   
         "Write access is not required.";
    };
  };

  compliance mauModRpCompl2 {
    oid             mauModCompls.4;
    description     
       "Compliance for MAUs attached to repeater
        ports.
        
        Note that compliance with this compliance
        statement requires compliance with the
        snmpRptrModCompl MODULE-COMPLIANCE statement of
        the SNMP-REPEATER-MIB (RFC 2108).";

    mandatory       (mauRpGrpBasic);

    optional mauRpGrp100Mbs {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have 100Mb/s or
          greater capability.";
    };
    optional mauRpGrpJack {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have one or more
          external jacks.";
    };
    optional rpMauNotifications {
      description   
         "Implementation of this group is recommended
          for MAUs attached to repeater ports.";
    };

    refine rpMauStatus {
      access        readonly;
      description   
         "Write access is not required.";
    };
  };

  compliance mauModIfCompl3 {
    oid             mauModCompls.5;
    description     
       "Compliance for MAUs attached to interfaces.
        
        Note that compliance with this compliance
        statement requires compliance with the
        ifCompliance3 MODULE-COMPLIANCE statement of the
        IF-MIB (RFC 2863) and the dot3Compliance2
        MODULE-COMPLIANCE statement of the
        EtherLike-MIB (RFC3635).";

    mandatory       (mauIfGrpBasic);

    optional mauIfGrpHighCapacity {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have 100Mb/s
          or greater capability.";
    };
    optional mauIfGrpHCStats {
      description   
         "Implementation of this group is mandatory
          for MAUs that have 1000Mb/s capacity, and
          is recommended for MAUs that have 100Mb/s
          capacity.";
    };
    optional mauIfGrpJack {
      description   
         "Implementation of this optional group is
          recommended for MAUs that have one or more
          external jacks.";
    };
    optional mauIfGrpAutoNeg2 {
      description   
         "Implementation of this group is mandatory
          for MAUs that support managed
          auto-negotiation.";
    };
    optional mauIfGrpAutoNeg1000Mbps {
      description   
         "Implementation of this group is mandatory
          for MAUs that have 1000Mb/s or greater
          capability and support managed
          auto-negotiation.";
    };
    optional ifMauNotifications {
      description   
         "Implementation of this group is recommended
          for MAUs attached to interfaces.";
    };

    refine ifMauStatus {
      access        readonly;
      description   
         "Write access is not required.";
    };
  };

}; // end of module MAU-MIB.