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EtherLike-MIB

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EtherLike-MIB.yang



   module EtherLike-MIB {

      yang-version 1;

      namespace
         "urn:ietf:params:xml:ns:yang:smiv2:EtherLike-MIB";

      prefix "etherlike-mib";

      import IF-MIB {
         prefix "if-mib";
      }
      import SNMPv2-TC {
         prefix "smiv2";
      }
      import yang-smi {
         prefix "smi";
      }
      import ietf-yang-types {
         prefix "yang";
      }

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

      contact
         "WG E-mail: hubmib@ietf.org
         To subscribe: hubmib-request@ietf.org
         
                Chair: Dan Romascanu
               Postal: Avaya Inc.
         	      Atidum Technology Park, Bldg. 3
         	      Tel Aviv 61131
         	      Israel
         	 Tel: +972 3 645 8414
               E-mail: dromasca@avaya.com
         
              Editor: John Flick
              Postal: Hewlett-Packard Company
         	     8000 Foothills Blvd. M/S 5557
         	     Roseville, CA 95747-5557
         	     USA
         	Tel: +1 916 785 4018
         	Fax: +1 916 785 1199
              E-mail: johnf@rose.hp.com";

      description
         "The MIB module to describe generic objects for
         ethernet-like network interfaces.
         
         The following reference is used throughout this
         MIB module:
         
         [IEEE 802.3 Std] refers to:
            IEEE Std 802.3, 2002 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', as
            amended by IEEE Std 802.3ae-2002:
            'Amendment: Media Access Control (MAC)
            Parameters, Physical Layer, and Management
            Parameters for 10 Gb/s Operation', August,
            2002.
         
         Of particular interest is Clause 30, '10 Mb/s,
         100 Mb/s, 1000 Mb/s, and 10 Gb/s Management'.
         
         Copyright (C) The Internet Society (2003).  This
         version of this MIB module is part of RFC 3635;
         see the RFC itself for full legal notices.";

      revision "2003-09-19" {
         description
            "Updated to include support for 10 Gb/sec
            interfaces.  This resulted in the following
            revisions:
            
            - Updated dot3StatsAlignmentErrors and
              dot3StatsSymbolErrors DESCRIPTIONs to
              reflect behaviour at 10 Gb/s
            - Added dot3StatsRateControlAbility and
              dot3RateControlStatus for management
              of the Rate Control function in 10 Gb/s
              WAN applications
            - Added 64-bit versions of all counters
              that are used on high-speed ethernet
              interfaces
            - Added object groups to contain the new
              objects
            - Deprecated etherStatsBaseGroup and
              split into etherStatsBaseGroup2 and
              etherStatsHalfDuplexGroup, so that
              interfaces which can only operate at
              full-duplex do not need to implement
              half-duplex-only statistics
            - Deprecated dot3Compliance and replaced
              it with dot3Compliance2, which includes
              the compliance information for the new
              object groups
            
            In addition, the dot3Tests and dot3Errors
            object identities have been deprecated,
            since there is no longer a standard method
            for using them.
            
            This version published as RFC 3635.";
      }

      revision "1999-08-24" {
         description
            "Updated to include support for 1000 Mb/sec
            interfaces and full-duplex interfaces.
            This version published as RFC 2665.";
      }

      revision "1998-06-03" {
         description
            "Updated to include support for 100 Mb/sec
            interfaces.
            This version published as RFC 2358.";
      }

      revision "1994-02-03" {
         description
            "Initial version, published as RFC 1650.";
      }


      container dot3 {
         list dot3StatsEntry {
            key "dot3StatsIndex";
            description
               "Statistics for a particular interface to an
               ethernet-like medium.";
            leaf dot3StatsIndex {
               type if-mib:InterfaceIndex;
               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.";
               reference
                  "RFC 2863, ifIndex";

               smi:oid "1.3.6.1.2.1.10.7.2.1.1";
            }

            leaf dot3StatsAlignmentErrors {
               type yang:counter32;
               config "false";
               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 pertain are,
                  according to the conventions of IEEE 802.3
                  Layer Management, counted exclusively according
                  
                  to the error status presented to the LLC.
                  
                  This counter does not increment for group
                  encoding schemes greater than 4 bits per group.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 5 minutes if
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCStatsAlignmentErrors object for 10 Gb/s
                  or faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.7,
                  aAlignmentErrors";

               smi:oid "1.3.6.1.2.1.10.7.2.1.2";
            }

            leaf dot3StatsFCSErrors {
               type yang:counter32;
               config "false";
               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.  This
                  count does not include frames received with
                  frame-too-long or frame-too-short error.
                  
                  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 pertain are,
                  according to the conventions of IEEE 802.3
                  Layer Management, counted exclusively according
                  to the error status presented to the LLC.
                  
                  Note:  Coding errors detected by the physical
                  layer for speeds above 10 Mb/s will cause the
                  frame to fail the FCS check.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 5 minutes if
                  
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCStatsFCSErrors object for 10 Gb/s or
                  faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.6,
                  aFrameCheckSequenceErrors.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.3";
            }

            leaf dot3StatsSingleCollisionFrames {
               type yang:counter32;
               config "false";
               description
                  "A count of frames that are involved in a single
                  collision, and are subsequently transmitted
                  successfully.
                  
                  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.
                  
                  This counter does not increment when the
                  interface is operating in full-duplex mode.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.3,
                  aSingleCollisionFrames.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.4";
            }

            leaf dot3StatsMultipleCollisionFrames {
               type yang:counter32;
               config "false";
               description
                  "A count of frames that are involved in more
                  
                  than one collision and are subsequently
                  transmitted successfully.
                  
                  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.
                  
                  This counter does not increment when the
                  interface is operating in full-duplex mode.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.4,
                  aMultipleCollisionFrames.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.5";
            }

            leaf dot3StatsSQETestErrors {
               type yang:counter32;
               config "false";
               description
                  "A count of times that the SQE TEST ERROR
                  is received on a particular interface. The
                  SQE TEST ERROR is set in accordance with the
                  rules for verification of the SQE detection
                  mechanism in the PLS Carrier Sense Function as
                  described in IEEE Std. 802.3, 2000 Edition,
                  section 7.2.4.6.
                  
                  This counter does not increment on interfaces
                  operating at speeds greater than 10 Mb/s, or on
                  interfaces operating in full-duplex mode.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 7.2.4.6, also 30.3.2.1.4,
                  aSQETestErrors.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.6";
            }

            leaf dot3StatsDeferredTransmissions {
               type yang:counter32;
               config "false";
               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.
                  
                  This counter does not increment when the
                  interface is operating in full-duplex mode.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.9,
                  aFramesWithDeferredXmissions.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.7";
            }

            leaf dot3StatsLateCollisions {
               type yang:counter32;
               config "false";
               description
                  "The number of times that a collision is
                  detected on a particular interface later than
                  one slotTime into the transmission of a packet.
                  
                  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.
                  
                  This counter does not increment when the
                  interface is operating in full-duplex mode.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.10,
                  aLateCollisions.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.8";
            }

            leaf dot3StatsExcessiveCollisions {
               type yang:counter32;
               config "false";
               description
                  "A count of frames for which transmission on a
                  particular interface fails due to excessive
                  collisions.
                  
                  This counter does not increment when the
                  interface is operating in full-duplex mode.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.11,
                  aFramesAbortedDueToXSColls.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.9";
            }

            leaf dot3StatsInternalMacTransmitErrors {
               type yang:counter32;
               config "false";
               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.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 5 minutes if
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCStatsInternalMacTransmitErrors object for
                  10 Gb/s or faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.12,
                  aFramesLostDueToIntMACXmitError.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.10";
            }

            leaf dot3StatsCarrierSenseErrors {
               type yang:counter32;
               config "false";
               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.
                  
                  This counter does not increment when the
                  interface is operating in full-duplex mode.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.13,
                  aCarrierSenseErrors.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.11";
            }

            leaf dot3StatsFrameTooLongs {
               type yang:counter32;
               config "false";
               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 pertain are,
                  according to the conventions of IEEE 802.3
                  Layer Management, counted exclusively according
                  to the error status presented to the LLC.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 80 minutes if
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCStatsFrameTooLongs object for 10 Gb/s
                  or faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.25,
                  aFrameTooLongErrors.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.13";
            }

            leaf dot3StatsInternalMacReceiveErrors {
               type yang:counter32;
               config "false";
               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.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 5 minutes if
                  
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCStatsInternalMacReceiveErrors object for
                  10 Gb/s or faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.15,
                  aFramesLostDueToIntMACRcvError.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.16";
            }

            leaf dot3StatsEtherChipSet {
               type yang:object-identifier;
               config "false";
               status "deprecated";
               description
                  "******** THIS OBJECT IS DEPRECATED ********
                  
                  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.
                  
                  This object has been deprecated.  Implementation
                  feedback indicates that it is of limited use for
                  debugging network problems in the field, and
                  the administrative overhead involved in
                  maintaining a registry of chipset OIDs is not
                  justified.";
               smi:oid "1.3.6.1.2.1.10.7.2.1.17";
            }

            leaf dot3StatsSymbolErrors {
               type yang:counter32;
               config "false";
               description
                  "For an interface operating at 100 Mb/s, the
                  number of times there was an invalid data symbol
                  when a valid carrier was present.
                  
                  For an interface operating in half-duplex mode
                  at 1000 Mb/s, the number of times the receiving
                  media is non-idle (a carrier event) for a period
                  of time equal to or greater than slotTime, and
                  during which there was at least one occurrence
                  of an event that causes the PHY to indicate
                  'Data reception error' or 'carrier extend error'
                  on the GMII.
                  
                  For an interface operating in full-duplex mode
                  at 1000 Mb/s, the number of times the receiving
                  media is non-idle (a carrier event) for a period
                  of time equal to or greater than minFrameSize,
                  and during which there was at least one
                  occurrence of an event that causes the PHY to
                  indicate 'Data reception error' on the GMII.
                  
                  For an interface operating at 10 Gb/s, the
                  number of times the receiving media is non-idle
                  (a carrier event) for a period of time equal to
                  or greater than minFrameSize, and during which
                  there was at least one occurrence of an event
                  that causes the PHY to indicate 'Receive Error'
                  on the XGMII.
                  
                  The count represented by an instance of this
                  object is incremented at most once per carrier
                  event, even if multiple symbol errors occur
                  during the carrier event.  This count does
                  not increment if a collision is present.
                  
                  This counter does not increment when the
                  interface is operating at 10 Mb/s.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 5 minutes if
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCStatsSymbolErrors object for 10 Gb/s
                  or faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.2.1.5,
                  aSymbolErrorDuringCarrier.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.18";
            }

            leaf dot3StatsDuplexStatus {
               type enumeration {
                  enum "unknown" {
                     value 1;
                  }
                  enum "halfDuplex" {
                     value 2;
                  }
                  enum "fullDuplex" {
                     value 3;
                  }
               }
               config "false";
               description
                  "The current mode of operation of the MAC
                  entity.  'unknown' indicates that the current
                  duplex mode could not be determined.
                  
                  Management control of the duplex mode is
                  accomplished through the MAU MIB.  When
                  an interface does not support autonegotiation,
                  or when autonegotiation is not enabled, the
                  duplex mode is controlled using
                  ifMauDefaultType.  When autonegotiation is
                  supported and enabled, duplex mode is controlled
                  using ifMauAutoNegAdvertisedBits.  In either
                  case, the currently operating duplex mode is
                  reflected both in this object and in ifMauType.
                  
                  Note that this object provides redundant
                  information with ifMauType.  Normally, redundant
                  objects are discouraged.  However, in this
                  instance, it allows a management application to
                  determine the duplex status of an interface
                  without having to know every possible value of
                  ifMauType.  This was felt to be sufficiently
                  valuable to justify the redundancy.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.32,
                  aDuplexStatus.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.19";
            }

            leaf dot3StatsRateControlAbility {
               type smiv2:TruthValue;
               config "false";
               description
                  "'true' for interfaces operating at speeds above
                  1000 Mb/s that support Rate Control through
                  lowering the average data rate of the MAC
                  sublayer, with frame granularity, and 'false'
                  otherwise.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.33,
                  aRateControlAbility.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.20";
            }

            leaf dot3StatsRateControlStatus {
               type enumeration {
                  enum "rateControlOff" {
                     value 1;
                  }
                  enum "rateControlOn" {
                     value 2;
                  }
                  enum "unknown" {
                     value 3;
                  }
               }
               config "false";
               description
                  "The current Rate Control mode of operation of
                  the MAC sublayer of this interface.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.34,
                  aRateControlStatus.";

               smi:oid "1.3.6.1.2.1.10.7.2.1.21";
            }
            smi:oid "1.3.6.1.2.1.10.7.2.1";
         }  // list dot3StatsEntry

         list dot3CollEntry {
            key "ifIndex dot3CollCount";
            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.";
            leaf ifIndex {
               type leafref {
                  path
                     "/if-mib:interfaces/if-mib:ifEntry/if-mib:ifIndex";
               }
               description "Automagically generated leafref leaf.";
            }

            leaf dot3CollCount {
               type int32 {
                  range "1..16";
               }
               description
                  "The number of per-frame media collisions for
                  which a particular collision histogram cell
                  represents the frequency on a particular
                  interface.";
               smi:oid "1.3.6.1.2.1.10.7.5.1.2";
            }

            leaf dot3CollFrequencies {
               type yang:counter32;
               config "false";
               description
                  "A count of individual MAC frames for which the
                  transmission (successful or otherwise) on a
                  particular interface occurs after the
                  frame has experienced exactly the number
                  of collisions in the associated
                  dot3CollCount object.
                  
                  For example, a frame which is transmitted
                  on interface 77 after experiencing
                  exactly 4 collisions would be indicated
                  by incrementing only dot3CollFrequencies.77.4.
                  No other instance of dot3CollFrequencies would
                  be incremented in this example.
                  
                  This counter does not increment when the
                  interface is operating in full-duplex mode.
                  
                  Discontinuities in the value of this counter can
                  
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               smi:oid "1.3.6.1.2.1.10.7.5.1.3";
            }
            smi:oid "1.3.6.1.2.1.10.7.5.1";
         }  // list dot3CollEntry

         list dot3ControlEntry {
            key "dot3StatsIndex";
            description
               "An entry in the table, containing information
               about the MAC Control sublayer on a single
               ethernet-like interface.";
            leaf dot3StatsIndex {
               type leafref {
                  path
                     "/etherlike-mib:dot3/etherlike-mib:dot3StatsEntry/etherlike-mib:dot3StatsIndex";
               }
               description "Automagically generated leafref leaf.";
            }

            leaf dot3ControlFunctionsSupported {
               type bits {
                  bit "pause" {
                     position 0;
                  }
               }
               config "false";
               description
                  "A list of the possible MAC Control functions
                  implemented for this interface.";
               reference
                  "[IEEE 802.3 Std.], 30.3.3.2,
                  aMACControlFunctionsSupported.";

               smi:oid "1.3.6.1.2.1.10.7.9.1.1";
            }

            leaf dot3ControlInUnknownOpcodes {
               type yang:counter32;
               config "false";
               description
                  "A count of MAC Control frames received on this
                  interface that contain an opcode that is not
                  supported by this device.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 5 minutes if
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCControlInUnknownOpcodes object for 10 Gb/s
                  or faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.3.5,
                  aUnsupportedOpcodesReceived";

               smi:oid "1.3.6.1.2.1.10.7.9.1.2";
            }

            leaf dot3HCControlInUnknownOpcodes {
               type yang:counter64;
               config "false";
               description
                  "A count of MAC Control frames received on this
                  interface that contain an opcode that is not
                  supported by this device.
                  
                  This counter is a 64 bit version of
                  dot3ControlInUnknownOpcodes.  It should be used
                  on interfaces operating at 10 Gb/s or faster.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.3.5,
                  aUnsupportedOpcodesReceived";

               smi:oid "1.3.6.1.2.1.10.7.9.1.3";
            }
            smi:oid "1.3.6.1.2.1.10.7.9.1";
         }  // list dot3ControlEntry

         list dot3PauseEntry {
            key "dot3StatsIndex";
            description
               "An entry in the table, containing information
               about the MAC Control PAUSE function on a single
               ethernet-like interface.";
            leaf dot3StatsIndex {
               type leafref {
                  path
                     "/etherlike-mib:dot3/etherlike-mib:dot3StatsEntry/etherlike-mib:dot3StatsIndex";
               }
               description "Automagically generated leafref leaf.";
            }

            leaf dot3PauseAdminMode {
               type enumeration {
                  enum "disabled" {
                     value 1;
                  }
                  enum "enabledXmit" {
                     value 2;
                  }
                  enum "enabledRcv" {
                     value 3;
                  }
                  enum "enabledXmitAndRcv" {
                     value 4;
                  }
               }
               description
                  "This object is used to configure the default
                  administrative PAUSE mode for this interface.
                  
                  This object represents the
                  administratively-configured PAUSE mode for this
                  interface.  If auto-negotiation is not enabled
                  or is not implemented for the active MAU
                  attached to this interface, the value of this
                  object determines the operational PAUSE mode
                  of the interface whenever it is operating in
                  full-duplex mode.  In this case, a set to this
                  object will force the interface into the
                  specified mode.
                  
                  If auto-negotiation is implemented and enabled
                  for the MAU attached to this interface, the
                  PAUSE mode for this interface is determined by
                  auto-negotiation, and the value of this object
                  denotes the mode to which the interface will
                  automatically revert if/when auto-negotiation is
                  later disabled.  Note that when auto-negotiation
                  is running, administrative control of the PAUSE
                  mode may be accomplished using the
                  ifMauAutoNegCapAdvertisedBits object in the
                  MAU-MIB.
                  
                  Note that the value of this object is ignored
                  when the interface is not operating in
                  full-duplex mode.
                  
                  An attempt to set this object to
                  'enabledXmit(2)' or 'enabledRcv(3)' will fail
                  on interfaces that do not support operation
                  at greater than 100 Mb/s.";
               smi:oid "1.3.6.1.2.1.10.7.10.1.1";
            }

            leaf dot3PauseOperMode {
               type enumeration {
                  enum "disabled" {
                     value 1;
                  }
                  enum "enabledXmit" {
                     value 2;
                  }
                  enum "enabledRcv" {
                     value 3;
                  }
                  enum "enabledXmitAndRcv" {
                     value 4;
                  }
               }
               config "false";
               description
                  "This object reflects the PAUSE mode currently
                  
                  in use on this interface, as determined by
                  either (1) the result of the auto-negotiation
                  function or (2) if auto-negotiation is not
                  enabled or is not implemented for the active MAU
                  attached to this interface, by the value of
                  dot3PauseAdminMode.  Interfaces operating at
                  100 Mb/s or less will never return
                  'enabledXmit(2)' or 'enabledRcv(3)'.  Interfaces
                  operating in half-duplex mode will always return
                  'disabled(1)'.  Interfaces on which
                  auto-negotiation is enabled but not yet
                  completed should return the value
                  'disabled(1)'.";
               smi:oid "1.3.6.1.2.1.10.7.10.1.2";
            }

            leaf dot3InPauseFrames {
               type yang:counter32;
               config "false";
               description
                  "A count of MAC Control frames received on this
                  interface with an opcode indicating the PAUSE
                  operation.
                  
                  This counter does not increment when the
                  interface is operating in half-duplex mode.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 5 minutes if
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCInPauseFrames object for 10 Gb/s or
                  faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.4.3,
                  aPAUSEMACCtrlFramesReceived.";

               smi:oid "1.3.6.1.2.1.10.7.10.1.3";
            }

            leaf dot3OutPauseFrames {
               type yang:counter32;
               config "false";
               description
                  "A count of MAC Control frames transmitted on
                  this interface with an opcode indicating the
                  PAUSE operation.
                  
                  This counter does not increment when the
                  interface is operating in half-duplex mode.
                  
                  For interfaces operating at 10 Gb/s, this
                  counter can roll over in less than 5 minutes if
                  it is incrementing at its maximum rate.  Since
                  that amount of time could be less than a
                  management station's poll cycle time, in order
                  to avoid a loss of information, a management
                  station is advised to poll the
                  dot3HCOutPauseFrames object for 10 Gb/s or
                  faster interfaces.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.4.2,
                  aPAUSEMACCtrlFramesTransmitted.";

               smi:oid "1.3.6.1.2.1.10.7.10.1.4";
            }

            leaf dot3HCInPauseFrames {
               type yang:counter64;
               config "false";
               description
                  "A count of MAC Control frames received on this
                  interface with an opcode indicating the PAUSE
                  operation.
                  
                  This counter does not increment when the
                  interface is operating in half-duplex mode.
                  
                  This counter is a 64 bit version of
                  dot3InPauseFrames.  It should be used on
                  interfaces operating at 10 Gb/s or faster.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.4.3,
                  aPAUSEMACCtrlFramesReceived.";

               smi:oid "1.3.6.1.2.1.10.7.10.1.5";
            }

            leaf dot3HCOutPauseFrames {
               type yang:counter64;
               config "false";
               description
                  "A count of MAC Control frames transmitted on
                  this interface with an opcode indicating the
                  PAUSE operation.
                  
                  This counter does not increment when the
                  interface is operating in half-duplex mode.
                  
                  This counter is a 64 bit version of
                  dot3OutPauseFrames.  It should be used on
                  interfaces operating at 10 Gb/s or faster.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.4.2,
                  aPAUSEMACCtrlFramesTransmitted.";

               smi:oid "1.3.6.1.2.1.10.7.10.1.6";
            }
            smi:oid "1.3.6.1.2.1.10.7.10.1";
         }  // list dot3PauseEntry

         list dot3HCStatsEntry {
            key "dot3StatsIndex";
            description
               "An entry containing 64-bit statistics for a
               single ethernet-like interface.";
            leaf dot3StatsIndex {
               type leafref {
                  path
                     "/etherlike-mib:dot3/etherlike-mib:dot3StatsEntry/etherlike-mib:dot3StatsIndex";
               }
               description "Automagically generated leafref leaf.";
            }

            leaf dot3HCStatsAlignmentErrors {
               type yang:counter64;
               config "false";
               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 pertain are,
                  according to the conventions of IEEE 802.3
                  Layer Management, counted exclusively according
                  to the error status presented to the LLC.
                  
                  This counter does not increment for group
                  encoding schemes greater than 4 bits per group.
                  
                  This counter is a 64 bit version of
                  dot3StatsAlignmentErrors.  It should be used
                  on interfaces operating at 10 Gb/s or faster.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.7,
                  aAlignmentErrors";

               smi:oid "1.3.6.1.2.1.10.7.11.1.1";
            }

            leaf dot3HCStatsFCSErrors {
               type yang:counter64;
               config "false";
               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.  This
                  count does not include frames received with
                  frame-too-long or frame-too-short error.
                  
                  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 pertain are,
                  according to the conventions of IEEE 802.3
                  Layer Management, counted exclusively according
                  to the error status presented to the LLC.
                  
                  Note:  Coding errors detected by the physical
                  layer for speeds above 10 Mb/s will cause the
                  frame to fail the FCS check.
                  
                  This counter is a 64 bit version of
                  dot3StatsFCSErrors.  It should be used on
                  interfaces operating at 10 Gb/s or faster.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.6,
                  aFrameCheckSequenceErrors.";

               smi:oid "1.3.6.1.2.1.10.7.11.1.2";
            }

            leaf dot3HCStatsInternalMacTransmitErrors {
               type yang:counter64;
               config "false";
               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.
                  
                  This counter is a 64 bit version of
                  dot3StatsInternalMacTransmitErrors.  It should
                  be used on interfaces operating at 10 Gb/s or
                  faster.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.12,
                  aFramesLostDueToIntMACXmitError.";

               smi:oid "1.3.6.1.2.1.10.7.11.1.3";
            }

            leaf dot3HCStatsFrameTooLongs {
               type yang:counter64;
               config "false";
               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 pertain are,
                  according to the conventions of IEEE 802.3
                  Layer Management, counted exclusively according
                  to the error status presented to the LLC.
                  
                  This counter is a 64 bit version of
                  dot3StatsFrameTooLongs.  It should be used on
                  interfaces operating at 10 Gb/s or faster.
                  
                  Discontinuities in the value of this counter can
                  
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.25,
                  aFrameTooLongErrors.";

               smi:oid "1.3.6.1.2.1.10.7.11.1.4";
            }

            leaf dot3HCStatsInternalMacReceiveErrors {
               type yang:counter64;
               config "false";
               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.
                  
                  This counter is a 64 bit version of
                  dot3StatsInternalMacReceiveErrors.  It should be
                  used on interfaces operating at 10 Gb/s or
                  faster.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.1.1.15,
                  aFramesLostDueToIntMACRcvError.";

               smi:oid "1.3.6.1.2.1.10.7.11.1.5";
            }

            leaf dot3HCStatsSymbolErrors {
               type yang:counter64;
               config "false";
               description
                  "For an interface operating at 100 Mb/s, the
                  number of times there was an invalid data symbol
                  when a valid carrier was present.
                  
                  For an interface operating in half-duplex mode
                  at 1000 Mb/s, the number of times the receiving
                  media is non-idle (a carrier event) for a period
                  of time equal to or greater than slotTime, and
                  during which there was at least one occurrence
                  of an event that causes the PHY to indicate
                  'Data reception error' or 'carrier extend error'
                  on the GMII.
                  
                  For an interface operating in full-duplex mode
                  at 1000 Mb/s, the number of times the receiving
                  media is non-idle (a carrier event) for a period
                  of time equal to or greater than minFrameSize,
                  and during which there was at least one
                  occurrence of an event that causes the PHY to
                  indicate 'Data reception error' on the GMII.
                  
                  For an interface operating at 10 Gb/s, the
                  number of times the receiving media is non-idle
                  (a carrier event) for a period of time equal to
                  or greater than minFrameSize, and during which
                  there was at least one occurrence of an event
                  that causes the PHY to indicate 'Receive Error'
                  on the XGMII.
                  
                  The count represented by an instance of this
                  object is incremented at most once per carrier
                  event, even if multiple symbol errors occur
                  during the carrier event.  This count does
                  not increment if a collision is present.
                  
                  This counter is a 64 bit version of
                  dot3StatsSymbolErrors.  It should be used on
                  interfaces operating at 10 Gb/s or faster.
                  
                  Discontinuities in the value of this counter can
                  occur at re-initialization of the management
                  system, and at other times as indicated by the
                  value of ifCounterDiscontinuityTime.";
               reference
                  "[IEEE 802.3 Std.], 30.3.2.1.5,
                  aSymbolErrorDuringCarrier.";

               smi:oid "1.3.6.1.2.1.10.7.11.1.6";
            }
            smi:oid "1.3.6.1.2.1.10.7.11.1";
         }  // list dot3HCStatsEntry
         smi:oid "1.3.6.1.2.1.10.7";
      }  // container dot3
   }  // module EtherLike-MIB

Summary

  
  
Organization IETF Ethernet Interfaces and Hub MIB Working Group
  
Module EtherLike-MIB
Version 2003-09-19
File EtherLike-MIB.yang
  
Prefix etherlike-mib
Namespace urn:ietf:params:xml:ns:yang:smiv2:EtherLike-MIB
  
Cooked /cookedmodules/EtherLike-MIB/2003-09-19
YANG /src/EtherLike-MIB@2003-09-19.yang
XSD /xsd/EtherLike-MIB@2003-09-19.xsd
  
Abstract The MIB module to describe generic objects for ethernet-like network interfaces. The following reference is used throughout thi...
  
Contact
WG E-mail: hubmib@ietf.org
To subscribe: hubmib-request@ietf.org

       Chair: Dan Romascanu
      Postal: Avaya Inc.
	      Atidum Technology Park, Bldg. 3
	      Tel Aviv 61131
	      Israel
	 Tel: +972 3 645 8414
      E-mail: dromasca@avaya.com

     Editor: John Flick
     Postal: Hewlett-Packard Company
	     8000 Foothills Blvd. M/S 5557
	     Roseville, CA 95747-5557
	     USA
	Tel: +1 916 785 4018
	Fax: +1 916 785 1199
     E-mail: johnf@rose.hp.com

Description

 
The MIB module to describe generic objects for
ethernet-like network interfaces.

The following reference is used throughout this
MIB module:

[IEEE 802.3 Std] refers to:
   IEEE Std 802.3, 2002 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', as
   amended by IEEE Std 802.3ae-2002:
   'Amendment: Media Access Control (MAC)
   Parameters, Physical Layer, and Management
   Parameters for 10 Gb/s Operation', August,
   2002.

Of particular interest is Clause 30, '10 Mb/s,
100 Mb/s, 1000 Mb/s, and 10 Gb/s Management'.

Copyright (C) The Internet Society (2003).  This
version of this MIB module is part of RFC 3635;
see the RFC itself for full legal notices.

Objects

Type Key
Mandatory config
Optional config
Not config
Object Type Abstract
dot3 container dot3StatsEntry dot3CollEntry dot3ControlEntry dot3PauseEntry dot3HCStatsEntry
   dot3CollEntry list 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 p...
      dot3CollCount leaf The number of per-frame media collisions for which a particular collision histogram cell represents the frequency on a particular interface.
      dot3CollFrequencies leaf 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 ...
      ifIndex leaf Automagically generated leafref leaf.
   dot3ControlEntry list An entry in the table, containing information about the MAC Control sublayer on a single ethernet-like interface.
      dot3ControlFunctionsSupported leaf A list of the possible MAC Control functions implemented for this interface.
      dot3ControlInUnknownOpcodes leaf A count of MAC Control frames received on this interface that contain an opcode that is not supported by this device. For interfaces operating at 10 Gb/s, this counter can roll over in less than 5 minutes if it is incrementing at its maximum rate. Since...
      dot3HCControlInUnknownOpcodes leaf A count of MAC Control frames received on this interface that contain an opcode that is not supported by this device. This counter is a 64 bit version of dot3ControlInUnknownOpcodes. It should be used on interfaces operating at 10 Gb/s or faster. Disco...
      dot3StatsIndex leaf Automagically generated leafref leaf.
   dot3HCStatsEntry list An entry containing 64-bit statistics for a single ethernet-like interface.
      dot3HCStatsAlignmentErrors leaf 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 M...
      dot3HCStatsFCSErrors leaf 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. This count does not include frames received with frame-too-long or frame-too-short error. The count represented by an ins...
      dot3HCStatsFrameTooLongs leaf 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 use...
      dot3HCStatsInternalMacReceiveErrors leaf 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 dot3StatsFrameTooLo...
      dot3HCStatsInternalMacTransmitErrors leaf 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 dot3StatsLateC...
      dot3HCStatsSymbolErrors leaf For an interface operating at 100 Mb/s, the number of times there was an invalid data symbol when a valid carrier was present. For an interface operating in half-duplex mode at 1000 Mb/s, the number of times the receiving media is non-idle (a carrier eve...
      dot3StatsIndex leaf Automagically generated leafref leaf.
   dot3PauseEntry list An entry in the table, containing information about the MAC Control PAUSE function on a single ethernet-like interface.
      dot3HCInPauseFrames leaf A count of MAC Control frames received on this interface with an opcode indicating the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode. This counter is a 64 bit version of dot3InPauseFrames. It shoul...
      dot3HCOutPauseFrames leaf A count of MAC Control frames transmitted on this interface with an opcode indicating the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode. This counter is a 64 bit version of dot3OutPauseFrames. It s...
      dot3InPauseFrames leaf A count of MAC Control frames received on this interface with an opcode indicating the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode. For interfaces operating at 10 Gb/s, this counter can roll over ...
      dot3OutPauseFrames leaf A count of MAC Control frames transmitted on this interface with an opcode indicating the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode. For interfaces operating at 10 Gb/s, this counter can roll ov...
      dot3PauseAdminMode leaf This object is used to configure the default administrative PAUSE mode for this interface. This object represents the administratively-configured PAUSE mode for this interface. If auto-negotiation is not enabled or is not implemented for the active MAU ...
      dot3PauseOperMode leaf This object reflects the PAUSE mode currently in use on this interface, as determined by either (1) the result of the auto-negotiation function or (2) if auto-negotiation is not enabled or is not implemented for the active MAU attached to this interface,...
      dot3StatsIndex leaf Automagically generated leafref leaf.
   dot3StatsEntry list Statistics for a particular interface to an ethernet-like medium.
      dot3StatsAlignmentErrors leaf 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 M...
      dot3StatsCarrierSenseErrors leaf 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 ...
      dot3StatsDeferredTransmissions leaf 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. This counter does not increme...
      dot3StatsDuplexStatus leaf The current mode of operation of the MAC entity. 'unknown' indicates that the current duplex mode could not be determined. Management control of the duplex mode is accomplished through the MAU MIB. When an interface does not support autonegotiation, or...
      dot3StatsEtherChipSet leaf ******** THIS OBJECT IS DEPRECATED ******** 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 presente...
      dot3StatsExcessiveCollisions leaf A count of frames for which transmission on a particular interface fails due to excessive collisions. This counter does not increment when the interface is operating in full-duplex mode. Discontinuities in the value of this counter can occur at re-initi...
      dot3StatsFCSErrors leaf 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. This count does not include frames received with frame-too-long or frame-too-short error. The count represented by an ins...
      dot3StatsFrameTooLongs leaf 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 use...
      dot3StatsIndex leaf 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.
      dot3StatsInternalMacReceiveErrors leaf 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 dot3StatsFrameTooLo...
      dot3StatsInternalMacTransmitErrors leaf 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 dot3StatsLateCo...
      dot3StatsLateCollisions leaf The number of times that a collision is detected on a particular interface later than one slotTime into the transmission of a packet. A (late) collision included in a count represented by an instance of this object is also considered as a (generic) colli...
      dot3StatsMultipleCollisionFrames leaf A count of frames that are involved in more than one collision and are subsequently transmitted successfully. A frame that is counted by an instance of this object is also counted by the corresponding instance of either the ifOutUcastPkts, ifOutMulticas...
      dot3StatsRateControlAbility leaf 'true' for interfaces operating at speeds above 1000 Mb/s that support Rate Control through lowering the average data rate of the MAC sublayer, with frame granularity, and 'false' otherwise.
      dot3StatsRateControlStatus leaf The current Rate Control mode of operation of the MAC sublayer of this interface.
      dot3StatsSingleCollisionFrames leaf A count of frames that are involved in a single collision, and are subsequently transmitted successfully. A frame that is counted by an instance of this object is also counted by the corresponding instance of either the ifOutUcastPkts, ifOutMulticastPkts...
      dot3StatsSQETestErrors leaf A count of times that the SQE TEST ERROR is received on a particular interface. The SQE TEST ERROR is set in accordance with the rules for verification of the SQE detection mechanism in the PLS Carrier Sense Function as described in IEEE Std. 802.3, 2000 ...
      dot3StatsSymbolErrors leaf For an interface operating at 100 Mb/s, the number of times there was an invalid data symbol when a valid carrier was present. For an interface operating in half-duplex mode at 1000 Mb/s, the number of times the receiving media is non-idle (a carrier eve...