EtherLike-MIB DEFINITIONS ::= BEGIN


   IMPORTS
       MODULE-IDENTITY, OBJECT-TYPE, Counter32, Gauge32,
       Integer32,                               FROM SNMPv2-SMI
       TEXTUAL-CONVENTION, PhysAddress,         FROM SNMPv2-TC
       MODULE-COMPLIANCE, OBJECT-GROUP          FROM SNMPv2-CONF
       ifIndex, ifEntry                         FROM IF-MIB
       mib-2                                    FROM RFC1213-MIB;

   etherMIB MODULE-IDENTITY
       LAST-UPDATED "9402030400Z"
       ORGANIZATION "IETF Interfaces MIB Working Group"
       CONTACT-INFO

        "        Frank Kastenholz

         Postal: FTP Software
                 2 High Street
                 North Andover, MA 01845
                 US

            Tel: +1 508 685 4000
         E-Mail: kasten@ftp.com"
       DESCRIPTION
     "The MIB module to describe generic objects for
     Ethernet-like network interfaces. This MIB is an
     updated version of the Ethernet-like MIB in RFC
     1398."
       ::= { mib-2 35 }

   etherMIBObjects OBJECT IDENTIFIER ::= { etherMIB 1 }






   dot3    OBJECT IDENTIFIER ::= { transmission 7 }

   -- the Ethernet-like Statistics group

    dot3StatsTable  OBJECT-TYPE
         SYNTAX     SEQUENCE OF Dot3StatsEntry
         MAX-ACCESS not-accessible
         STATUS     current
         DESCRIPTION
          "Statistics for a collection of ethernet-like
          interfaces attached to a particular system."
         ::= { dot3 2 }


    dot3StatsEntry   OBJECT-TYPE
         SYNTAX      Dot3StatsEntry
         MAX-ACCESS  not-accessible
         STATUS      current
         DESCRIPTION
           "Statistics for a particular interface to an
           ethernet-like medium."
         INDEX       { dot3StatsIndex }
         ::= { dot3StatsTable 1 }

    Dot3StatsEntry ::= SEQUENCE {
         dot3StatsIndex                      INTEGER,
         dot3StatsAlignmentErrors            Counter32,
         dot3StatsFCSErrors                  Counter32,
         dot3StatsSingleCollisionFrames      Counter32,
         dot3StatsMultipleCollisionFrames    Counter32,
         dot3StatsSQETestErrors              Counter32,
         dot3StatsDeferredTransmissions      Counter32,
         dot3StatsLateCollisions             Counter32,
         dot3StatsExcessiveCollisions        Counter32,
         dot3StatsInternalMacTransmitErrors  Counter32,
         dot3StatsCarrierSenseErrors         Counter32,
         dot3StatsFrameTooLongs              Counter32,
         dot3StatsInternalMacReceiveErrors   Counter32,
                 dot3StatsEtherChipSet               OBJECT IDENTIFIER
    }

    dot3StatsIndex   OBJECT-TYPE
         SYNTAX      INTEGER
         ACCESS      read-only
         STATUS      mandatory
         DESCRIPTION
           "An index value that uniquely identifies an
           interface to an ethernet-like medium.  The





           interface identified by a particular value of
           this index is the same interface as identified
           by the same value of ifIndex."
         ::= { dot3StatsEntry 1 }

    dot3StatsAlignmentErrors   OBJECT-TYPE
         SYNTAX     Counter32
         MAX-ACCESS read-only
         STATUS     current
         DESCRIPTION
          "A count of frames received on a particular
          interface that are not an integral number of
          octets in length and do not pass the FCS check.

          The count represented by an instance of this
          object is incremented when the alignmentError
          status is returned by the MAC service to the
          LLC (or other MAC user). Received frames for
          which multiple error conditions obtain are,
          according to the conventions of IEEE 802.3
          Layer Management, counted exclusively according
          to the error status presented to the LLC."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 2 }


    dot3StatsFCSErrors   OBJECT-TYPE
         SYNTAX      Counter32
         MAX-ACCESS  read-only
         STATUS      current
         DESCRIPTION
         "A count of frames received on a particular
         interface that are an integral number of octets
         in length but do not pass the FCS check.

         The count represented by an instance of this
         object is incremented when the frameCheckError
         status is returned by the MAC service to the
         LLC (or other MAC user). Received frames for
         which multiple error conditions obtain are,
         according to the conventions of IEEE 802.3
         Layer Management, counted exclusively according
         to the error status presented to the LLC."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 3 }






    dot3StatsSingleCollisionFrames   OBJECT-TYPE
         SYNTAX      Counter32
         MAX-ACCESS  read-only
         STATUS      current
         DESCRIPTION
         "A count of successfully transmitted frames on
         a particular interface for which transmission
         is inhibited by exactly one collision.

         A frame that is counted by an instance of this
         object is also counted by the corresponding
         instance of either the ifOutUcastPkts,
         ifOutMulticastPkts, or ifOutBroadcastPkts,
         and is not counted by the corresponding
         instance of the dot3StatsMultipleCollisionFrames
         object."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 4 }


    dot3StatsMultipleCollisionFrames   OBJECT-TYPE
         SYNTAX      Counter32
         MAX-ACCESS  read-only
         STATUS      current
         DESCRIPTION
         "A count of successfully transmitted frames on
         a particular interface for which transmission
          is inhibited by more than one collision.

         A frame that is counted by an instance of this
         object is also counted by the corresponding
         instance of either the ifOutUcastPkts,
         ifOutMulticastPkts, or ifOutBroadcastPkts,
         and is not counted by the corresponding
         instance of the dot3StatsSingleCollisionFrames
         object."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 5 }


    dot3StatsSQETestErrors   OBJECT-TYPE
         SYNTAX     Counter32
         MAX-ACCESS read-only
         STATUS     current
         DESCRIPTION
         "A count of times that the SQE TEST ERROR





         message is generated by the PLS sublayer for a
         particular interface. The SQE TEST ERROR
         message is defined in section 7.2.2.2.4 of
         ANSI/IEEE 802.3-1985 and its generation is
         described in section 7.2.4.6 of the same
         document."
         REFERENCE
         "ANSI/IEEE Std 802.3-1985 Carrier Sense
         Multiple Access with Collision Detection Access
         Method and Physical Layer Specifications"
         ::= { dot3StatsEntry 6 }

    dot3StatsDeferredTransmissions   OBJECT-TYPE
         SYNTAX      Counter32
         MAX-ACCESS  read-only
         STATUS      current
         DESCRIPTION
         "A count of frames for which the first
         transmission attempt on a particular interface
         is delayed because the medium is busy.

         The count represented by an instance of this
         object does not include frames involved in
         collisions."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 7 }

    dot3StatsLateCollisions   OBJECT-TYPE
         SYNTAX      Counter32
         MAX-ACCESS  read-only
         STATUS      current
         DESCRIPTION
         "The number of times that a collision is
         detected on a particular interface later than
         512 bit-times into the transmission of a
         packet.

         Five hundred and twelve bit-times corresponds
         to 51.2 microseconds on a 10 Mbit/s system. A
         (late) collision included in a count
         represented by an instance of this object is
         also considered as a (generic) collision for
         purposes of other collision-related
         statistics."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 8 }





    dot3StatsExcessiveCollisions   OBJECT-TYPE
         SYNTAX    Counter32
         MAX-ACCESS    read-only
         STATUS    current
         DESCRIPTION
         "A count of frames for which transmission on a
         particular interface fails due to excessive
         collisions."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 9 }


    dot3StatsInternalMacTransmitErrors   OBJECT-TYPE
         SYNTAX    Counter32
         MAX-ACCESS    read-only
         STATUS    current
         DESCRIPTION
         "A count of frames for which transmission on a
         particular interface fails due to an internal
         MAC sublayer transmit error. A frame is only
         counted by an instance of this object if it is
         not counted by the corresponding instance of
         either the dot3StatsLateCollisions object, the
         dot3StatsExcessiveCollisions object, or the
         dot3StatsCarrierSenseErrors object.

         The precise meaning of the count represented by
         an instance of this object is implementation-
         specific.  In particular, an instance of this
         object may represent a count of transmission
         errors on a particular interface that are not
         otherwise counted."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 10 }

    dot3StatsCarrierSenseErrors   OBJECT-TYPE
         SYNTAX    Counter32
         MAX-ACCESS    read-only
         STATUS    current
         DESCRIPTION
         "The number of times that the carrier sense
         condition was lost or never asserted when
         attempting to transmit a frame on a particular
         interface.

         The count represented by an instance of this





         object is incremented at most once per
         transmission attempt, even if the carrier sense
         condition fluctuates during a transmission
         attempt."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 11 }

    -- { dot3StatsEntry 12 } is not assigned

    dot3StatsFrameTooLongs   OBJECT-TYPE
         SYNTAX    Counter32
         MAX-ACCESS    read-only
         STATUS    current
         DESCRIPTION
         "A count of frames received on a particular
         interface that exceed the maximum permitted
         frame size.

         The count represented by an instance of this
         object is incremented when the frameTooLong
         status is returned by the MAC service to the
         LLC (or other MAC user). Received frames for
         which multiple error conditions obtain are,
         according to the conventions of IEEE 802.3
         Layer Management, counted exclusively according
         to the error status presented to the LLC."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 13 }

    -- { dot3StatsEntry 14 } is not assigned

    -- { dot3StatsEntry 15 } is not assigned

    dot3StatsInternalMacReceiveErrors   OBJECT-TYPE
         SYNTAX    Counter32
         MAX-ACCESS    read-only
         STATUS    current
         DESCRIPTION
         "A count of frames for which reception on a
         particular interface fails due to an internal
         MAC sublayer receive error. A frame is only
         counted by an instance of this object if it is
         not counted by the corresponding instance of
         either the dot3StatsFrameTooLongs object, the
         dot3StatsAlignmentErrors object, or the
         dot3StatsFCSErrors object.





         The precise meaning of the count represented by
         an instance of this object is implementation-
         specific.  In particular, an instance of this
         object may represent a count of receive errors
         on a particular interface that are not
         otherwise counted."
         REFERENCE
         "IEEE 802.3 Layer Management"
         ::= { dot3StatsEntry 16 }

    dot3StatsEtherChipSet   OBJECT-TYPE
         SYNTAX        OBJECT IDENTIFIER
         MAX-ACCESS    read-only
         STATUS        current
         DESCRIPTION
         "This object contains an OBJECT IDENTIFIER
         which identifies the chipset used to
         realize the interface. Ethernet-like
         interfaces are typically built out of
         several different chips. The MIB implementor
         is presented with a decision of which chip
         to identify via this object. The implementor
         should identify the chip which is usually
         called the Medium Access Control chip.
         If no such chip is easily identifiable,
         the implementor should identify the chip
         which actually gathers the transmit
         and receive statistics and error
         indications. This would allow a
         manager station to correlate the
         statistics and the chip generating
         them, giving it the ability to take
         into account any known anomalies
         in the chip."
         ::= { dot3StatsEntry 17 }

    -- the Ethernet-like Collision Statistics group

    -- Implementation of this group is optional; it is appropriate
    -- for all systems which have the necessary metering

    dot3CollTable   OBJECT-TYPE
         SYNTAX    SEQUENCE OF Dot3CollEntry
         MAX-ACCESS    not-accessible
         STATUS    current
         DESCRIPTION
         "A collection of collision histograms for a
         particular set of interfaces."





         ::= { dot3 5 }


    dot3CollEntry   OBJECT-TYPE
         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."
         ::= { dot3CollEntry 3 }

    --  802.3 Tests

    dot3Tests   OBJECT IDENTIFIER ::= { dot3 6 }

    dot3Errors  OBJECT IDENTIFIER ::= { dot3 7 }


    --  TDR Test

    -- The Time-Domain Reflectometry (TDR) test is specific
    -- to ethernet-like interfaces with the exception of
    -- 10BaseT and 10BaseF. 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.

    dot3TestTdr OBJECT IDENTIFIER ::= { dot3Tests 1 }

    -- A TDR test returns as its result the time interval,
    -- measured in 10 MHz ticks or 100 nsec units, between
    -- the start of TDR test transmission and the subsequent
    -- detection of a collision or deassertion of carrier.  On
    -- successful completion of a TDR test, the result is
    -- stored as the value of the appropriate instance of the
    -- MIB object dot3TestTdrValue, and the OBJECT IDENTIFIER
    -- of that instanceis stored in the corresponding instance
    -- of ifExtnsTestCode (thereby indicating where the
    -- result has been stored).


    -- Loopback Test

    -- Another test is the full-duplex loopback test.
    -- This test configures the MAC chip and executes
    -- an internal loopback test of memory, data paths,
    -- and the MAC chip logic.  This loopback test can
    -- only be executed if the interface is offline.
    -- Once the test has completed, the MAC chip should
    -- be reinitialized for network operation, but it





    -- should remain offline.

    dot3TestLoopBack OBJECT IDENTIFIER ::= { dot3Tests 2 }

    -- If an error occurs during a test, the object
    -- ifTestResult (defined in RFC1573) will be set
    -- to failed(7).  The following two OBJECT
    -- IDENTIFIERs may be used to provided more
    -- information as values for ifTestCode.

             -- couldn't initialize MAC chip for test
    dot3ErrorInitError     OBJECT IDENTIFIER ::= { dot3Errors 1 }

             -- expected data not received (or not
             -- received correctly) in loopback test
    dot3ErrorLoopbackError OBJECT IDENTIFIER ::= { dot3Errors 2 }

    -- RFC1573 does away with the interface chipset object.
    -- The following OBJECT IDENTIFIER definitions are
    -- retained for purposes of backwards compatibility
    -- with pre-RFC1573 systems.
    --  802.3 Hardware Chipsets

    -- The object ifExtnsChipSet is provided in RFC1229 to
    -- identify the MAC hardware used to communicate on an
    -- interface.  The following hardware chipsets are
    -- provided for 802.3:

    dot3ChipSets          OBJECT IDENTIFIER ::= { dot3 8 }
    dot3ChipSetAMD        OBJECT IDENTIFIER ::= { dot3ChipSets 1 }
    dot3ChipSetAMD7990    OBJECT IDENTIFIER ::= { dot3ChipSetAMD 1 }
    dot3ChipSetAMD79900   OBJECT IDENTIFIER ::= { dot3ChipSetAMD 2 }
    dot3ChipSetAMD79C940  OBJECT IDENTIFIER ::= { dot3ChipSetAMD 3 }

    dot3ChipSetIntel      OBJECT IDENTIFIER ::= { dot3ChipSets 2 }
    dot3ChipSetIntel82586 OBJECT IDENTIFIER ::= { dot3ChipSetIntel 1 }
    dot3ChipSetIntel82596 OBJECT IDENTIFIER ::= { dot3ChipSetIntel 2 }

    dot3ChipSetSeeq       OBJECT IDENTIFIER ::= { dot3ChipSets 3 }
    dot3ChipSetSeeq8003   OBJECT IDENTIFIER ::= { dot3ChipSetSeeq 1 }

    dot3ChipSetNational      OBJECT IDENTIFIER ::= { dot3ChipSets 4 }
    dot3ChipSetNational8390  OBJECT IDENTIFIER ::=
                               { dot3ChipSetNational 1 }
    dot3ChipSetNationalSonic OBJECT IDENTIFIER ::=
                               { dot3ChipSetNational 2 }

    dot3ChipSetFujitsu       OBJECT IDENTIFIER ::= { dot3ChipSets 5 }





    dot3ChipSetFujitsu86950  OBJECT IDENTIFIER ::=
                               { dot3ChipSetFujitsu 1 }

    dot3ChipSetDigital       OBJECT IDENTIFIER ::= { dot3ChipSets 6 }
    dot3ChipSetDigitalDC21040  OBJECT IDENTIFIER ::=
                               { dot3ChipSetDigital 1 }

    -- For those chipsets not represented above, OBJECT IDENTIFIER
    -- assignment is required in other documentation, e.g., assignment
    -- within that part of the registration tree delegated to
    -- individual enterprises (see RFC1155).

   -- conformance information

   etherConformance OBJECT IDENTIFIER ::= { etherMIB 2 }

   etherGroups      OBJECT IDENTIFIER ::= { etherConformance 1 }
   etherCompliances OBJECT IDENTIFIER ::= { etherConformance 2 }


   -- compliance statements

   etherCompliance MODULE-COMPLIANCE
       STATUS  current
       DESCRIPTION
     "The compliance statement for SNMPv2 entities which
     have ethernet-like network interfaces."

       MODULE  -- this module
 MANDATORY-GROUPS { etherStatsGroup }

 GROUP       etherCollisionTableGroup
 DESCRIPTION
     "This group is optional. It is appropriate for
      all systems which have the necessary metering.
      Implementation in such systems is highly
      recommended."
       ::= { etherCompliances 1 }

   -- units of conformance

   etherStatsGroup    OBJECT-GROUP
       OBJECTS { dot3StatsIndex, dot3StatsAlignmentErrors,
       dot3StatsFCSErrors,
       dot3StatsSingleCollisionFrames,
       dot3StatsMultipleCollisionFrames,
       dot3StatsSQETestErrors,
       dot3StatsDeferredTransmissions,





       dot3StatsLateCollisions,
       dot3StatsExcessiveCollisions,
       dot3StatsInternalMacTransmitErrors,
       dot3StatsCarrierSenseErrors,
       dot3StatsFrameTooLongs,
       dot3StatsInternalMacReceiveErrors,
       dot3StatsEtherChipSet}
       STATUS  current
       DESCRIPTION
     "A collection of objects providing information
     applicable to all ethernet-like network interfaces."
       ::= { etherGroups 1 }


   etherCollisionTableGroup    OBJECT-GROUP
       OBJECTS { dot3CollCount, dot3CollFrequencies }
       STATUS  current
       DESCRIPTION
     "A collection of objects providing a histogram
     of packets successfully transmitted after
     experiencing exactly N collisions."
       ::= { etherGroups 2 }
END


