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Edit File : EtherLike-MIB.txt \| Size : 82.51 KB
EtherLike-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, OBJECT-IDENTITY, Integer32, Counter32, Counter64, mib-2, transmission FROM SNMPv2-SMI MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF TruthValue FROM SNMPv2-TC ifIndex, InterfaceIndex FROM IF-MIB; etherMIB MODULE-IDENTITY LAST-UPDATED "200309190000Z" -- September 19, 2003 ORGANIZATION "IETF Ethernet Interfaces and Hub MIB Working Group" CONTACT-INFO "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 "200309190000Z" -- September 19, 2003 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 "199908240400Z" -- August 24, 1999 DESCRIPTION "Updated to include support for 1000 Mb/sec interfaces and full-duplex interfaces. This version published as RFC 2665." REVISION "199806032150Z" -- June 3, 1998 DESCRIPTION "Updated to include support for 100 Mb/sec interfaces. This version published as RFC 2358." REVISION "199402030400Z" -- February 3, 1994 DESCRIPTION "Initial version, published as RFC 1650." ::= { 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. There will be one row in this table for each ethernet-like interface in the 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 InterfaceIndex, 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, dot3StatsSymbolErrors Counter32, dot3StatsDuplexStatus INTEGER, dot3StatsRateControlAbility TruthValue, dot3StatsRateControlStatus INTEGER } dot3StatsIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS read-only -- read-only since originally an -- SMIv1 index STATUS current 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" ::= { 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 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" ::= { 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. 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." ::= { dot3StatsEntry 3 } dot3StatsSingleCollisionFrames OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current 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." ::= { dot3StatsEntry 4 } dot3StatsMultipleCollisionFrames OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current 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." ::= { dot3StatsEntry 5 } dot3StatsSQETestErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current 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." ::= { 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. 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." ::= { 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 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." ::= { 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. 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." ::= { 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. 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." ::= { 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. 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." ::= { 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 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." ::= { 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. 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." ::= { dot3StatsEntry 16 } dot3StatsEtherChipSet OBJECT-TYPE SYNTAX OBJECT IDENTIFIER MAX-ACCESS read-only 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." ::= { dot3StatsEntry 17 } dot3StatsSymbolErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current 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." ::= { dot3StatsEntry 18 } dot3StatsDuplexStatus OBJECT-TYPE SYNTAX INTEGER { unknown(1), halfDuplex(2), fullDuplex(3) } MAX-ACCESS read-only STATUS current 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." ::= { dot3StatsEntry 19 } dot3StatsRateControlAbility OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current 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." ::= { dot3StatsEntry 20 } dot3StatsRateControlStatus OBJECT-TYPE SYNTAX INTEGER { rateControlOff(1), rateControlOn(2), unknown(3) } MAX-ACCESS read-only STATUS current 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." ::= { dot3StatsEntry 21 } -- 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." REFERENCE "[IEEE 802.3 Std.], 30.3.1.1.30, aCollisionFrames." ::= { 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 Integer32, dot3CollFrequencies Counter32 } -- { dot3CollEntry 1 } is no longer in use dot3CollCount OBJECT-TYPE SYNTAX Integer32 (1..16) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The number of per-frame media collisions for which a particular collision histogram cell represents the frequency on a particular interface." ::= { dot3CollEntry 2 } dot3CollFrequencies OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "A count of individual MAC frames for which the transmission (successful or otherwise) on a particular interface occurs after the frame has experienced exactly the number of collisions in the associated dot3CollCount object. For example, a frame which is transmitted on interface 77 after experiencing exactly 4 collisions would be indicated by incrementing only dot3CollFrequencies.77.4. No other instance of dot3CollFrequencies would be incremented in this example. This counter does not increment when the interface is operating in full-duplex mode. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { dot3CollEntry 3 } dot3ControlTable OBJECT-TYPE SYNTAX SEQUENCE OF Dot3ControlEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A table of descriptive and status information about the MAC Control sublayer on the ethernet-like interfaces attached to a particular system. There will be one row in this table for each ethernet-like interface in the system which implements the MAC Control sublayer. If some, but not all, of the ethernet-like interfaces in the system implement the MAC Control sublayer, there will be fewer rows in this table than in the dot3StatsTable." ::= { dot3 9 } dot3ControlEntry OBJECT-TYPE SYNTAX Dot3ControlEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the table, containing information about the MAC Control sublayer on a single ethernet-like interface." INDEX { dot3StatsIndex } ::= { dot3ControlTable 1 } Dot3ControlEntry ::= SEQUENCE { dot3ControlFunctionsSupported BITS, dot3ControlInUnknownOpcodes Counter32, dot3HCControlInUnknownOpcodes Counter64 } dot3ControlFunctionsSupported OBJECT-TYPE SYNTAX BITS { pause(0) -- 802.3 flow control } MAX-ACCESS read-only STATUS current DESCRIPTION "A list of the possible MAC Control functions implemented for this interface." REFERENCE "[IEEE 802.3 Std.], 30.3.3.2, aMACControlFunctionsSupported." ::= { dot3ControlEntry 1 } dot3ControlInUnknownOpcodes OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "A count of MAC Control frames received on this interface that contain an opcode that is not supported by this device. 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" ::= { dot3ControlEntry 2 } dot3HCControlInUnknownOpcodes OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "A count of MAC Control frames received on this interface that contain an opcode that is not supported by this device. 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" ::= { dot3ControlEntry 3 } dot3PauseTable OBJECT-TYPE SYNTAX SEQUENCE OF Dot3PauseEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A table of descriptive and status information about the MAC Control PAUSE function on the ethernet-like interfaces attached to a particular system. There will be one row in this table for each ethernet-like interface in the system which supports the MAC Control PAUSE function (i.e., the 'pause' bit in the corresponding instance of dot3ControlFunctionsSupported is set). If some, but not all, of the ethernet-like interfaces in the system implement the MAC Control PAUSE function (for example, if some interfaces only support half-duplex), there will be fewer rows in this table than in the dot3StatsTable." ::= { dot3 10 } dot3PauseEntry OBJECT-TYPE SYNTAX Dot3PauseEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the table, containing information about the MAC Control PAUSE function on a single ethernet-like interface." INDEX { dot3StatsIndex } ::= { dot3PauseTable 1 } Dot3PauseEntry ::= SEQUENCE { dot3PauseAdminMode INTEGER, dot3PauseOperMode INTEGER, dot3InPauseFrames Counter32, dot3OutPauseFrames Counter32, dot3HCInPauseFrames Counter64, dot3HCOutPauseFrames Counter64 } dot3PauseAdminMode OBJECT-TYPE SYNTAX INTEGER { disabled(1), enabledXmit(2), enabledRcv(3), enabledXmitAndRcv(4) } MAX-ACCESS read-write STATUS current DESCRIPTION "This object is used to configure the default administrative PAUSE mode for this interface. This object represents the administratively-configured PAUSE mode for this interface. If auto-negotiation is not enabled or is not implemented for the active MAU attached to this interface, the value of this object determines the operational PAUSE mode of the interface whenever it is operating in full-duplex mode. In this case, a set to this object will force the interface into the specified mode. If auto-negotiation is implemented and enabled for the MAU attached to this interface, the PAUSE mode for this interface is determined by auto-negotiation, and the value of this object denotes the mode to which the interface will automatically revert if/when auto-negotiation is later disabled. Note that when auto-negotiation is running, administrative control of the PAUSE mode may be accomplished using the ifMauAutoNegCapAdvertisedBits object in the MAU-MIB. Note that the value of this object is ignored when the interface is not operating in full-duplex mode. An attempt to set this object to 'enabledXmit(2)' or 'enabledRcv(3)' will fail on interfaces that do not support operation at greater than 100 Mb/s." ::= { dot3PauseEntry 1 } dot3PauseOperMode OBJECT-TYPE SYNTAX INTEGER { disabled(1), enabledXmit(2), enabledRcv(3), enabledXmitAndRcv(4) } MAX-ACCESS read-only STATUS current DESCRIPTION "This object reflects the PAUSE mode currently in use on this interface, as determined by either (1) the result of the auto-negotiation function or (2) if auto-negotiation is not enabled or is not implemented for the active MAU attached to this interface, by the value of dot3PauseAdminMode. Interfaces operating at 100 Mb/s or less will never return 'enabledXmit(2)' or 'enabledRcv(3)'. Interfaces operating in half-duplex mode will always return 'disabled(1)'. Interfaces on which auto-negotiation is enabled but not yet completed should return the value 'disabled(1)'." ::= { dot3PauseEntry 2 } dot3InPauseFrames OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "A count of MAC Control frames received on this interface with an opcode indicating the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode. 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." ::= { dot3PauseEntry 3 } dot3OutPauseFrames OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "A count of MAC Control frames transmitted on this interface with an opcode indicating the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode. 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." ::= { dot3PauseEntry 4 } dot3HCInPauseFrames OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "A count of MAC Control frames received on this interface with an opcode indicating the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode. 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." ::= { dot3PauseEntry 5 } dot3HCOutPauseFrames OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "A count of MAC Control frames transmitted on this interface with an opcode indicating the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode. 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." ::= { dot3PauseEntry 6 } dot3HCStatsTable OBJECT-TYPE SYNTAX SEQUENCE OF Dot3HCStatsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A table containing 64-bit versions of error counters from the dot3StatsTable. The 32-bit versions of these counters may roll over quite quickly on higher speed ethernet interfaces. The counters that have 64-bit versions in this table are the counters that apply to full-duplex interfaces, since 10 Gb/s and faster ethernet-like interfaces do not support half-duplex, and very few 1000 Mb/s ethernet-like interfaces support half-duplex. Entries in this table are recommended for interfaces capable of operating at 1000 Mb/s or faster, and are required for interfaces capable of operating at 10 Gb/s or faster. Lower speed ethernet-like interfaces do not need entries in this table, in which case there may be fewer entries in this table than in the dot3StatsTable. However, implementations containing interfaces with a mix of speeds may choose to implement entries in this table for all ethernet-like interfaces." ::= { dot3 11 } dot3HCStatsEntry OBJECT-TYPE SYNTAX Dot3HCStatsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry containing 64-bit statistics for a single ethernet-like interface." INDEX { dot3StatsIndex } ::= { dot3HCStatsTable 1 } Dot3HCStatsEntry ::= SEQUENCE { dot3HCStatsAlignmentErrors Counter64, dot3HCStatsFCSErrors Counter64, dot3HCStatsInternalMacTransmitErrors Counter64, dot3HCStatsFrameTooLongs Counter64, dot3HCStatsInternalMacReceiveErrors Counter64, dot3HCStatsSymbolErrors Counter64 } dot3HCStatsAlignmentErrors OBJECT-TYPE SYNTAX Counter64 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 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" ::= { dot3HCStatsEntry 1 } dot3HCStatsFCSErrors OBJECT-TYPE SYNTAX Counter64 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. 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." ::= { dot3HCStatsEntry 2 } dot3HCStatsInternalMacTransmitErrors OBJECT-TYPE SYNTAX Counter64 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. 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." ::= { dot3HCStatsEntry 3 } dot3HCStatsFrameTooLongs OBJECT-TYPE SYNTAX Counter64 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 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." ::= { dot3HCStatsEntry 4 } dot3HCStatsInternalMacReceiveErrors OBJECT-TYPE SYNTAX Counter64 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. 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." ::= { dot3HCStatsEntry 5 } dot3HCStatsSymbolErrors OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current 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." ::= { dot3HCStatsEntry 6 } -- 802.3 Tests dot3Tests OBJECT IDENTIFIER ::= { dot3 6 } dot3Errors OBJECT IDENTIFIER ::= { dot3 7 } -- TDR Test dot3TestTdr OBJECT-IDENTITY STATUS deprecated DESCRIPTION "**** THIS IDENTITY IS DEPRECATED *** The Time-Domain Reflectometry (TDR) test is specific to ethernet-like interfaces of type 10Base5 and 10Base2. The TDR value may be useful in determining the approximate distance to a cable fault. It is advisable to repeat this test to check for a consistent resulting TDR value, to verify that there is a fault. A TDR test returns as its result the time 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 an appropriate instance of an appropriate vendor specific MIB object, and the OBJECT IDENTIFIER of that instance is stored in the appropriate instance of the appropriate test result code object (thereby indicating where the result has been stored). This object identity has been deprecated, since the ifTestTable in the IF-MIB was deprecated, and there is no longer a standard mechanism for initiating an interface test. This left no standard way of using this object identity." ::= { dot3Tests 1 } -- Loopback Test dot3TestLoopBack OBJECT-IDENTITY STATUS deprecated DESCRIPTION "**** THIS IDENTITY IS DEPRECATED *** 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. If an error occurs during a test, the appropriate test result object will be set to indicate a failure. The two OBJECT IDENTIFIER values dot3ErrorInitError and dot3ErrorLoopbackError may be used to provided more information as values for an appropriate test result code object. This object identity has been deprecated, since the ifTestTable in the IF-MIB was deprecated, and there is no longer a standard mechanism for initiating an interface test. This left no standard way of using this object identity." ::= { dot3Tests 2 } dot3ErrorInitError OBJECT-IDENTITY STATUS deprecated DESCRIPTION "**** THIS IDENTITY IS DEPRECATED *** Couldn't initialize MAC chip for test. This object identity has been deprecated, since the ifTestTable in the IF-MIB was deprecated, and there is no longer a standard mechanism for initiating an interface test. This left no standard way of using this object identity." ::= { dot3Errors 1 } dot3ErrorLoopbackError OBJECT-IDENTITY STATUS deprecated DESCRIPTION "**** THIS IDENTITY IS DEPRECATED *** Expected data not received (or not received correctly) in loopback test. This object identity has been deprecated, since the ifTestTable in the IF-MIB was deprecated, and there is no longer a standard mechanism for initiating an interface test. This left no standard way of using this object identity." ::= { dot3Errors 2 } -- { dot3 8 }, the dot3ChipSets tree, is defined in [RFC2666] -- conformance information etherConformance OBJECT IDENTIFIER ::= { etherMIB 2 } etherGroups OBJECT IDENTIFIER ::= { etherConformance 1 } etherCompliances OBJECT IDENTIFIER ::= { etherConformance 2 } -- compliance statements etherCompliance MODULE-COMPLIANCE STATUS deprecated DESCRIPTION "**** THIS COMPLIANCE IS DEPRECATED **** The compliance statement for managed network entities which have ethernet-like network interfaces. This compliance is deprecated and replaced by dot3Compliance." 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 } ether100MbsCompliance MODULE-COMPLIANCE STATUS deprecated DESCRIPTION "**** THIS COMPLIANCE IS DEPRECATED **** The compliance statement for managed network entities which have 100 Mb/sec ethernet-like network interfaces. This compliance is deprecated and replaced by dot3Compliance." MODULE -- this module MANDATORY-GROUPS { etherStats100MbsGroup } 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 2 } dot3Compliance MODULE-COMPLIANCE STATUS deprecated DESCRIPTION "**** THIS COMPLIANCE IS DEPRECATED **** The compliance statement for managed network entities which have ethernet-like network interfaces. This compliance is deprecated and replaced by dot3Compliance2." MODULE -- this module MANDATORY-GROUPS { etherStatsBaseGroup } GROUP etherDuplexGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating in full-duplex mode. It is highly recommended for all ethernet-like network interfaces." GROUP etherStatsLowSpeedGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating at 10 Mb/s or slower in half-duplex mode." GROUP etherStatsHighSpeedGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating at 100 Mb/s or faster." GROUP etherControlGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces that support the MAC Control sublayer." GROUP etherControlPauseGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces that support the MAC Control PAUSE function." GROUP etherCollisionTableGroup DESCRIPTION "This group is optional. It is appropriate for all ethernet-like network interfaces which are capable of operating in half-duplex mode and have the necessary metering. Implementation in systems with such interfaces is highly recommended." ::= { etherCompliances 3 } dot3Compliance2 MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for managed network entities which have ethernet-like network interfaces. Note that compliance with this MIB module requires compliance with the ifCompliance3 MODULE-COMPLIANCE statement of the IF-MIB (RFC2863). In addition, compliance with this MIB module requires compliance with the mauModIfCompl3 MODULE-COMPLIANCE statement of the MAU-MIB (RFC3636)." MODULE -- this module MANDATORY-GROUPS { etherStatsBaseGroup2 } GROUP etherDuplexGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating in full-duplex mode. It is highly recommended for all ethernet-like network interfaces." GROUP etherRateControlGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating at speeds faster than 1000 Mb/s. It is highly recommended for all ethernet-like network interfaces." GROUP etherStatsLowSpeedGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating at 10 Mb/s or slower in half-duplex mode." GROUP etherStatsHighSpeedGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating at 100 Mb/s or faster." GROUP etherStatsHalfDuplexGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating in half-duplex mode." GROUP etherHCStatsGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces which are capable of operating at 10 Gb/s or faster. It is recommended for all ethernet-like network interfaces which are capable of operating at 1000 Mb/s or faster." GROUP etherControlGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces that support the MAC Control sublayer." GROUP etherHCControlGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces that support the MAC Control sublayer and are capable of operating at 10 Gb/s or faster." GROUP etherControlPauseGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces that support the MAC Control PAUSE function." GROUP etherHCControlPauseGroup DESCRIPTION "This group is mandatory for all ethernet-like network interfaces that support the MAC Control PAUSE function and are capable of operating at 10 Gb/s or faster." GROUP etherCollisionTableGroup DESCRIPTION "This group is optional. It is appropriate for all ethernet-like network interfaces which are capable of operating in half-duplex mode and have the necessary metering. Implementation in systems with such interfaces is highly recommended." ::= { etherCompliances 4 } -- units of conformance etherStatsGroup OBJECT-GROUP OBJECTS { dot3StatsIndex, dot3StatsAlignmentErrors, dot3StatsFCSErrors, dot3StatsSingleCollisionFrames, dot3StatsMultipleCollisionFrames, dot3StatsSQETestErrors, dot3StatsDeferredTransmissions, dot3StatsLateCollisions, dot3StatsExcessiveCollisions, dot3StatsInternalMacTransmitErrors, dot3StatsCarrierSenseErrors, dot3StatsFrameTooLongs, dot3StatsInternalMacReceiveErrors, dot3StatsEtherChipSet } STATUS deprecated DESCRIPTION "***** THIS GROUP IS DEPRECATED ****** A collection of objects providing information applicable to all ethernet-like network interfaces. This object group has been deprecated and replaced by etherStatsBaseGroup and etherStatsLowSpeedGroup." ::= { etherGroups 1 } etherCollisionTableGroup OBJECT-GROUP OBJECTS { dot3CollFrequencies } STATUS current DESCRIPTION "A collection of objects providing a histogram of packets successfully transmitted after experiencing exactly N collisions." ::= { etherGroups 2 } etherStats100MbsGroup OBJECT-GROUP OBJECTS { dot3StatsIndex, dot3StatsAlignmentErrors, dot3StatsFCSErrors, dot3StatsSingleCollisionFrames, dot3StatsMultipleCollisionFrames, dot3StatsDeferredTransmissions, dot3StatsLateCollisions, dot3StatsExcessiveCollisions, dot3StatsInternalMacTransmitErrors, dot3StatsCarrierSenseErrors, dot3StatsFrameTooLongs, dot3StatsInternalMacReceiveErrors, dot3StatsEtherChipSet, dot3StatsSymbolErrors } STATUS deprecated DESCRIPTION "***** THIS GROUP IS DEPRECATED ****** A collection of objects providing information applicable to 100 Mb/sec ethernet-like network interfaces. This object group has been deprecated and replaced by etherStatsBaseGroup and etherStatsHighSpeedGroup." ::= { etherGroups 3 } etherStatsBaseGroup OBJECT-GROUP OBJECTS { dot3StatsIndex, dot3StatsAlignmentErrors, dot3StatsFCSErrors, dot3StatsSingleCollisionFrames, dot3StatsMultipleCollisionFrames, dot3StatsDeferredTransmissions, dot3StatsLateCollisions, dot3StatsExcessiveCollisions, dot3StatsInternalMacTransmitErrors, dot3StatsCarrierSenseErrors, dot3StatsFrameTooLongs, dot3StatsInternalMacReceiveErrors } STATUS deprecated DESCRIPTION "***** THIS GROUP IS DEPRECATED ******** A collection of objects providing information applicable to all ethernet-like network interfaces. This object group has been deprecated and replaced by etherStatsBaseGroup2 and etherStatsHalfDuplexGroup, to separate objects which must be implemented by all ethernet-like network interfaces from objects that need only be implemented on ethernet-like network interfaces that are capable of half-duplex operation." ::= { etherGroups 4 } etherStatsLowSpeedGroup OBJECT-GROUP OBJECTS { dot3StatsSQETestErrors } STATUS current DESCRIPTION "A collection of objects providing information applicable to ethernet-like network interfaces capable of operating at 10 Mb/s or slower in half-duplex mode." ::= { etherGroups 5 } etherStatsHighSpeedGroup OBJECT-GROUP OBJECTS { dot3StatsSymbolErrors } STATUS current DESCRIPTION "A collection of objects providing information applicable to ethernet-like network interfaces capable of operating at 100 Mb/s or faster." ::= { etherGroups 6 } etherDuplexGroup OBJECT-GROUP OBJECTS { dot3StatsDuplexStatus } STATUS current DESCRIPTION "A collection of objects providing information about the duplex mode of an ethernet-like network interface." ::= { etherGroups 7 } etherControlGroup OBJECT-GROUP OBJECTS { dot3ControlFunctionsSupported, dot3ControlInUnknownOpcodes } STATUS current DESCRIPTION "A collection of objects providing information about the MAC Control sublayer on ethernet-like network interfaces." ::= { etherGroups 8 } etherControlPauseGroup OBJECT-GROUP OBJECTS { dot3PauseAdminMode, dot3PauseOperMode, dot3InPauseFrames, dot3OutPauseFrames } STATUS current DESCRIPTION "A collection of objects providing information about and control of the MAC Control PAUSE function on ethernet-like network interfaces." ::= { etherGroups 9 } etherStatsBaseGroup2 OBJECT-GROUP OBJECTS { dot3StatsIndex, dot3StatsAlignmentErrors, dot3StatsFCSErrors, dot3StatsInternalMacTransmitErrors, dot3StatsFrameTooLongs, dot3StatsInternalMacReceiveErrors } STATUS current DESCRIPTION "A collection of objects providing information applicable to all ethernet-like network interfaces." ::= { etherGroups 10 } etherStatsHalfDuplexGroup OBJECT-GROUP OBJECTS { dot3StatsSingleCollisionFrames, dot3StatsMultipleCollisionFrames, dot3StatsDeferredTransmissions, dot3StatsLateCollisions, dot3StatsExcessiveCollisions, dot3StatsCarrierSenseErrors } STATUS current DESCRIPTION "A collection of objects providing information applicable only to half-duplex ethernet-like network interfaces." ::= { etherGroups 11 } etherHCStatsGroup OBJECT-GROUP OBJECTS { dot3HCStatsAlignmentErrors, dot3HCStatsFCSErrors, dot3HCStatsInternalMacTransmitErrors, dot3HCStatsFrameTooLongs, dot3HCStatsInternalMacReceiveErrors, dot3HCStatsSymbolErrors } STATUS current DESCRIPTION "A collection of objects providing high-capacity statistics applicable to higher-speed ethernet-like network interfaces." ::= { etherGroups 12 } etherHCControlGroup OBJECT-GROUP OBJECTS { dot3HCControlInUnknownOpcodes } STATUS current DESCRIPTION "A collection of objects providing high-capacity statistics for the MAC Control sublayer on higher-speed ethernet-like network interfaces." ::= { etherGroups 13 } etherHCControlPauseGroup OBJECT-GROUP OBJECTS { dot3HCInPauseFrames, dot3HCOutPauseFrames } STATUS current DESCRIPTION "A collection of objects providing high-capacity statistics for the MAC Control PAUSE function on higher-speed ethernet-like network interfaces." ::= { etherGroups 14 } etherRateControlGroup OBJECT-GROUP OBJECTS { dot3StatsRateControlAbility, dot3StatsRateControlStatus } STATUS current DESCRIPTION "A collection of objects providing information about the Rate Control function on ethernet-like interfaces." ::= { etherGroups 15 } END Back

Edit File : EtherLike-MIB.txt | Size : 82.51 KB

EtherLike-MIB DEFINITIONS ::= BEGIN

IMPORTS
        MODULE-IDENTITY, OBJECT-TYPE, OBJECT-IDENTITY,
        Integer32, Counter32, Counter64, mib-2, transmission
            FROM SNMPv2-SMI
        MODULE-COMPLIANCE, OBJECT-GROUP
            FROM SNMPv2-CONF
        TruthValue
            FROM SNMPv2-TC
        ifIndex, InterfaceIndex
            FROM IF-MIB;

etherMIB MODULE-IDENTITY
        LAST-UPDATED "200309190000Z"  -- September 19, 2003
        ORGANIZATION "IETF Ethernet Interfaces and Hub MIB
                     Working Group"
        CONTACT-INFO
            "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    "200309190000Z"  -- September 19, 2003
        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    "199908240400Z"  -- August 24, 1999
        DESCRIPTION "Updated to include support for 1000 Mb/sec
                     interfaces and full-duplex interfaces.
                     This version published as RFC 2665."

REVISION    "199806032150Z"  -- June 3, 1998
        DESCRIPTION "Updated to include support for 100 Mb/sec
                     interfaces.
                     This version published as RFC 2358."

REVISION    "199402030400Z"  -- February 3, 1994
        DESCRIPTION "Initial version, published as RFC 1650."
        ::= { 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.
                    There will be one row in this table for each
                    ethernet-like interface in the 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                      InterfaceIndex,
            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,
            dot3StatsSymbolErrors               Counter32,
            dot3StatsDuplexStatus               INTEGER,
            dot3StatsRateControlAbility         TruthValue,
            dot3StatsRateControlStatus          INTEGER
        }

dot3StatsIndex OBJECT-TYPE
        SYNTAX      InterfaceIndex
        MAX-ACCESS  read-only  -- read-only since originally an
                               -- SMIv1 index
        STATUS      current
        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"
        ::= { 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 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"
        ::= { 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.  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."
        ::= { dot3StatsEntry 3 }

dot3StatsSingleCollisionFrames OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        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."
        ::= { dot3StatsEntry 4 }

dot3StatsMultipleCollisionFrames OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of frames that are involved in more

than one collision and are subsequently
                    transmitted successfully.

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."
        ::= { dot3StatsEntry 5 }

dot3StatsSQETestErrors OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        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."
        ::= { 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.

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."
        ::= { 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
                    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."
        ::= { 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.

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."
        ::= { 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.

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."
        ::= { 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.

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."
        ::= { 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 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."
        ::= { 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.

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."
        ::= { dot3StatsEntry 16 }

dot3StatsEtherChipSet OBJECT-TYPE
        SYNTAX      OBJECT IDENTIFIER
        MAX-ACCESS  read-only
        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."
        ::= { dot3StatsEntry 17 }

dot3StatsSymbolErrors OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        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."
        ::= { dot3StatsEntry 18 }

dot3StatsDuplexStatus OBJECT-TYPE
        SYNTAX      INTEGER {
                        unknown(1),
                        halfDuplex(2),
                        fullDuplex(3)
                    }
        MAX-ACCESS  read-only
        STATUS      current
        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."
        ::= { dot3StatsEntry 19 }

dot3StatsRateControlAbility OBJECT-TYPE
        SYNTAX      TruthValue
        MAX-ACCESS  read-only
        STATUS      current
        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."
        ::= { dot3StatsEntry 20 }

dot3StatsRateControlStatus OBJECT-TYPE
        SYNTAX      INTEGER {
                        rateControlOff(1),
                        rateControlOn(2),
                        unknown(3)
                    }
        MAX-ACCESS  read-only
        STATUS      current
        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."
        ::= { dot3StatsEntry 21 }

-- 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."
        REFERENCE   "[IEEE 802.3 Std.], 30.3.1.1.30,
                    aCollisionFrames."
        ::= { 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        Integer32,
            dot3CollFrequencies  Counter32
        }

-- { dot3CollEntry 1 } is no longer in use

dot3CollCount OBJECT-TYPE
        SYNTAX      Integer32 (1..16)
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "The number of per-frame media collisions for
                    which a particular collision histogram cell
                    represents the frequency on a particular
                    interface."
        ::= { dot3CollEntry 2 }

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

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

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

Discontinuities in the value of this counter can

occur at re-initialization of the management
                    system, and at other times as indicated by the
                    value of ifCounterDiscontinuityTime."
        ::= { dot3CollEntry 3 }

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

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

Dot3ControlEntry ::=
        SEQUENCE {
            dot3ControlFunctionsSupported       BITS,
            dot3ControlInUnknownOpcodes         Counter32,
            dot3HCControlInUnknownOpcodes       Counter64
        }

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

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

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"
        ::= { dot3ControlEntry 2 }

dot3HCControlInUnknownOpcodes OBJECT-TYPE
        SYNTAX      Counter64
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of MAC Control frames received on this
                    interface that contain an opcode that is not
                    supported by this device.

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"
        ::= { dot3ControlEntry 3 }

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

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

Dot3PauseEntry ::=

SEQUENCE {
            dot3PauseAdminMode                  INTEGER,
            dot3PauseOperMode                   INTEGER,
            dot3InPauseFrames                   Counter32,
            dot3OutPauseFrames                  Counter32,
            dot3HCInPauseFrames                 Counter64,
            dot3HCOutPauseFrames                Counter64
        }

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

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

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

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

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

dot3PauseOperMode OBJECT-TYPE
        SYNTAX      INTEGER {
                        disabled(1),
                        enabledXmit(2),
                        enabledRcv(3),
                        enabledXmitAndRcv(4)
                    }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "This object reflects the PAUSE mode currently

in use on this interface, as determined by
                    either (1) the result of the auto-negotiation
                    function or (2) if auto-negotiation is not
                    enabled or is not implemented for the active MAU
                    attached to this interface, by the value of
                    dot3PauseAdminMode.  Interfaces operating at
                    100 Mb/s or less will never return
                    'enabledXmit(2)' or 'enabledRcv(3)'.  Interfaces
                    operating in half-duplex mode will always return
                    'disabled(1)'.  Interfaces on which
                    auto-negotiation is enabled but not yet
                    completed should return the value
                    'disabled(1)'."
        ::= { dot3PauseEntry 2 }

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

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

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."
        ::= { dot3PauseEntry 3 }

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

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

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."
        ::= { dot3PauseEntry 4 }

dot3HCInPauseFrames OBJECT-TYPE
        SYNTAX      Counter64
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of MAC Control frames received on this
                    interface with an opcode indicating the PAUSE
                    operation.

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

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."
        ::= { dot3PauseEntry 5 }

dot3HCOutPauseFrames OBJECT-TYPE
        SYNTAX      Counter64
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of MAC Control frames transmitted on
                    this interface with an opcode indicating the
                    PAUSE operation.

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

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."
        ::= { dot3PauseEntry 6 }

dot3HCStatsTable OBJECT-TYPE
        SYNTAX      SEQUENCE OF Dot3HCStatsEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "A table containing 64-bit versions of error
                    counters from the dot3StatsTable.  The 32-bit
                    versions of these counters may roll over quite
                    quickly on higher speed ethernet interfaces.
                    The counters that have 64-bit versions in this
                    table are the counters that apply to full-duplex
                    interfaces, since 10 Gb/s and faster
                    ethernet-like interfaces do not support
                    half-duplex, and very few 1000 Mb/s
                    ethernet-like interfaces support half-duplex.

Entries in this table are recommended for
                    interfaces capable of operating at 1000 Mb/s or
                    faster, and are required for interfaces capable
                    of operating at 10 Gb/s or faster.  Lower speed
                    ethernet-like interfaces do not need entries in
                    this table, in which case there may be fewer
                    entries in this table than in the
                    dot3StatsTable. However, implementations
                    containing interfaces with a mix of speeds may
                    choose to implement entries in this table for

all ethernet-like interfaces."
        ::= { dot3 11 }

dot3HCStatsEntry OBJECT-TYPE
        SYNTAX      Dot3HCStatsEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION "An entry containing 64-bit statistics for a
                    single ethernet-like interface."
        INDEX       { dot3StatsIndex }
        ::= { dot3HCStatsTable 1 }

Dot3HCStatsEntry ::=
        SEQUENCE {
            dot3HCStatsAlignmentErrors           Counter64,
            dot3HCStatsFCSErrors                 Counter64,
            dot3HCStatsInternalMacTransmitErrors Counter64,
            dot3HCStatsFrameTooLongs             Counter64,
            dot3HCStatsInternalMacReceiveErrors  Counter64,
            dot3HCStatsSymbolErrors              Counter64
        }

dot3HCStatsAlignmentErrors OBJECT-TYPE
        SYNTAX      Counter64
        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.

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"
        ::= { dot3HCStatsEntry 1 }

dot3HCStatsFCSErrors OBJECT-TYPE
        SYNTAX      Counter64
        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.  This
                    count does not include frames received with
                    frame-too-long or frame-too-short error.

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."
        ::= { dot3HCStatsEntry 2 }

dot3HCStatsInternalMacTransmitErrors OBJECT-TYPE
        SYNTAX      Counter64
        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.

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."
        ::= { dot3HCStatsEntry 3 }

dot3HCStatsFrameTooLongs OBJECT-TYPE
        SYNTAX      Counter64
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION "A count of frames received on a particular
                    interface that exceed the maximum permitted
                    frame size.

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."
        ::= { dot3HCStatsEntry 4 }

dot3HCStatsInternalMacReceiveErrors OBJECT-TYPE
        SYNTAX      Counter64
        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.

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."
        ::= { dot3HCStatsEntry 5 }

dot3HCStatsSymbolErrors OBJECT-TYPE
        SYNTAX      Counter64
        MAX-ACCESS  read-only
        STATUS      current
        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.

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."
        ::= { dot3HCStatsEntry 6 }

--  802.3 Tests

dot3Tests   OBJECT IDENTIFIER ::= { dot3 6 }

dot3Errors  OBJECT IDENTIFIER ::= { dot3 7 }

--  TDR Test

dot3TestTdr OBJECT-IDENTITY
        STATUS      deprecated
        DESCRIPTION "******** THIS IDENTITY IS DEPRECATED *******

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

A TDR test returns as its result the time
                    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 an appropriate
                    instance of an appropriate vendor specific MIB
                    object, and the OBJECT IDENTIFIER of that
                    instance is stored in the appropriate instance
                    of the appropriate test result code object
                    (thereby indicating where the result has been
                    stored).

This object identity has been deprecated, since
                    the ifTestTable in the IF-MIB was deprecated,
                    and there is no longer a standard mechanism for
                    initiating an interface test.  This left no
                    standard way of using this object identity."
        ::= { dot3Tests 1 }

-- Loopback Test

dot3TestLoopBack OBJECT-IDENTITY
        STATUS      deprecated
        DESCRIPTION "******** THIS IDENTITY IS DEPRECATED *******

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.

If an error occurs during a test, the
                    appropriate test result object will be set
                    to indicate a failure.  The two OBJECT
                    IDENTIFIER values dot3ErrorInitError and
                    dot3ErrorLoopbackError may be used to provided
                    more information as values for an appropriate
                    test result code object.

dot3ErrorInitError OBJECT-IDENTITY
        STATUS      deprecated
        DESCRIPTION "******** THIS IDENTITY IS DEPRECATED *******

Couldn't initialize MAC chip for test.

dot3ErrorLoopbackError OBJECT-IDENTITY
        STATUS      deprecated
        DESCRIPTION "******** THIS IDENTITY IS DEPRECATED *******

Expected data not received (or not received
                    correctly) in loopback test.

-- { dot3 8 }, the dot3ChipSets tree, is defined in [RFC2666]

-- conformance information

etherConformance OBJECT IDENTIFIER ::= { etherMIB 2 }

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

-- compliance statements

etherCompliance MODULE-COMPLIANCE
        STATUS      deprecated
        DESCRIPTION "******** THIS COMPLIANCE IS DEPRECATED ********

The compliance statement for managed network
                    entities which have ethernet-like network
                    interfaces.

This compliance is deprecated and replaced by
                    dot3Compliance."

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 }

ether100MbsCompliance MODULE-COMPLIANCE
        STATUS      deprecated
        DESCRIPTION "******** THIS COMPLIANCE IS DEPRECATED ********

The compliance statement for managed network
                    entities which have 100 Mb/sec ethernet-like
                    network interfaces.

This compliance is deprecated and replaced by
                    dot3Compliance."

MODULE  -- this module
            MANDATORY-GROUPS { etherStats100MbsGroup }

dot3Compliance MODULE-COMPLIANCE
        STATUS      deprecated
        DESCRIPTION "******** THIS COMPLIANCE IS DEPRECATED ********

The compliance statement for managed network
                    entities which have ethernet-like network
                    interfaces.

This compliance is deprecated and replaced by
                    dot3Compliance2."

MODULE  -- this module
            MANDATORY-GROUPS { etherStatsBaseGroup }

GROUP       etherDuplexGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces which are
                        capable of operating in full-duplex mode.
                        It is highly recommended for all
                        ethernet-like network interfaces."

GROUP       etherStatsLowSpeedGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces which are
                        capable of operating at 10 Mb/s or slower in
                        half-duplex mode."

GROUP       etherStatsHighSpeedGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces which are
                        capable of operating at 100 Mb/s or faster."

GROUP       etherControlGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces that
                        support the MAC Control sublayer."

GROUP       etherControlPauseGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces that
                        support the MAC Control PAUSE function."

GROUP       etherCollisionTableGroup
            DESCRIPTION "This group is optional. It is appropriate
                        for all ethernet-like network interfaces
                        which are capable of operating in
                        half-duplex mode and have the necessary
                        metering. Implementation in systems with

such interfaces is highly recommended."
        ::= { etherCompliances 3 }

dot3Compliance2 MODULE-COMPLIANCE
            STATUS      current
            DESCRIPTION "The compliance statement for managed network
                        entities which have ethernet-like network
                        interfaces.

Note that compliance with this MIB module
                        requires compliance with the ifCompliance3
                        MODULE-COMPLIANCE statement of the IF-MIB
                        (RFC2863).  In addition, compliance with this
                        MIB module requires compliance  with the
                        mauModIfCompl3 MODULE-COMPLIANCE statement of
                        the MAU-MIB (RFC3636)."

MODULE  -- this module
            MANDATORY-GROUPS { etherStatsBaseGroup2 }

GROUP       etherRateControlGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces which are
                        capable of operating at speeds faster than
                        1000 Mb/s. It is highly recommended for all
                        ethernet-like network interfaces."

GROUP       etherStatsHalfDuplexGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces which are

capable of operating in half-duplex mode."

GROUP       etherHCStatsGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces which are
                        capable of operating at 10 Gb/s or faster.
                        It is recommended for all ethernet-like
                        network interfaces which are capable of
                        operating at 1000 Mb/s or faster."

GROUP       etherHCControlGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces that
                        support the MAC Control sublayer and are
                        capable of operating at 10 Gb/s or faster."

GROUP       etherHCControlPauseGroup
            DESCRIPTION "This group is mandatory for all
                        ethernet-like network interfaces that
                        support the MAC Control PAUSE function and
                        are capable of operating at 10 Gb/s or
                        faster."

-- units of conformance

etherStatsGroup OBJECT-GROUP
        OBJECTS     { dot3StatsIndex,
                      dot3StatsAlignmentErrors,
                      dot3StatsFCSErrors,
                      dot3StatsSingleCollisionFrames,
                      dot3StatsMultipleCollisionFrames,
                      dot3StatsSQETestErrors,
                      dot3StatsDeferredTransmissions,
                      dot3StatsLateCollisions,
                      dot3StatsExcessiveCollisions,
                      dot3StatsInternalMacTransmitErrors,
                      dot3StatsCarrierSenseErrors,
                      dot3StatsFrameTooLongs,
                      dot3StatsInternalMacReceiveErrors,
                      dot3StatsEtherChipSet
                    }
        STATUS      deprecated
        DESCRIPTION "********* THIS GROUP IS DEPRECATED **********

A collection of objects providing information
                    applicable to all ethernet-like network
                    interfaces.

This object group has been deprecated and
                    replaced by etherStatsBaseGroup and
                    etherStatsLowSpeedGroup."
        ::= { etherGroups 1 }

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

etherStats100MbsGroup OBJECT-GROUP
        OBJECTS     { dot3StatsIndex,
                      dot3StatsAlignmentErrors,
                      dot3StatsFCSErrors,
                      dot3StatsSingleCollisionFrames,
                      dot3StatsMultipleCollisionFrames,
                      dot3StatsDeferredTransmissions,
                      dot3StatsLateCollisions,
                      dot3StatsExcessiveCollisions,
                      dot3StatsInternalMacTransmitErrors,
                      dot3StatsCarrierSenseErrors,
                      dot3StatsFrameTooLongs,
                      dot3StatsInternalMacReceiveErrors,
                      dot3StatsEtherChipSet,
                      dot3StatsSymbolErrors

}
        STATUS      deprecated
        DESCRIPTION "********* THIS GROUP IS DEPRECATED **********

A collection of objects providing information
                    applicable to 100 Mb/sec ethernet-like network
                    interfaces.

This object group has been deprecated and
                    replaced by etherStatsBaseGroup and
                    etherStatsHighSpeedGroup."
        ::= { etherGroups 3 }

etherStatsBaseGroup OBJECT-GROUP
        OBJECTS     { dot3StatsIndex,
                      dot3StatsAlignmentErrors,
                      dot3StatsFCSErrors,
                      dot3StatsSingleCollisionFrames,
                      dot3StatsMultipleCollisionFrames,
                      dot3StatsDeferredTransmissions,
                      dot3StatsLateCollisions,
                      dot3StatsExcessiveCollisions,
                      dot3StatsInternalMacTransmitErrors,
                      dot3StatsCarrierSenseErrors,
                      dot3StatsFrameTooLongs,
                      dot3StatsInternalMacReceiveErrors
                    }
        STATUS      deprecated
        DESCRIPTION "********* THIS GROUP IS DEPRECATED **********

A collection of objects providing information
                    applicable to all ethernet-like network
                    interfaces.

This object group has been deprecated and
                    replaced by etherStatsBaseGroup2 and
                    etherStatsHalfDuplexGroup, to separate
                    objects which must be implemented by all
                    ethernet-like network interfaces from
                    objects that need only be implemented on
                    ethernet-like network interfaces that are
                    capable of half-duplex operation."
        ::= { etherGroups 4 }

etherStatsLowSpeedGroup OBJECT-GROUP
        OBJECTS     { dot3StatsSQETestErrors }
        STATUS      current
        DESCRIPTION "A collection of objects providing information

applicable to ethernet-like network interfaces
                    capable of operating at 10 Mb/s or slower in
                    half-duplex mode."
        ::= { etherGroups 5 }

etherStatsHighSpeedGroup OBJECT-GROUP
        OBJECTS     { dot3StatsSymbolErrors }
        STATUS      current
        DESCRIPTION "A collection of objects providing information
                    applicable to ethernet-like network interfaces
                    capable of operating at 100 Mb/s or faster."
        ::= { etherGroups 6 }

etherDuplexGroup OBJECT-GROUP
        OBJECTS     { dot3StatsDuplexStatus }
        STATUS      current
        DESCRIPTION "A collection of objects providing information
                    about the duplex mode of an ethernet-like
                    network interface."
        ::= { etherGroups 7 }

etherControlGroup OBJECT-GROUP
        OBJECTS     { dot3ControlFunctionsSupported,
                      dot3ControlInUnknownOpcodes
                    }
        STATUS      current
        DESCRIPTION "A collection of objects providing information
                    about the MAC Control sublayer on ethernet-like
                    network interfaces."
        ::= { etherGroups 8 }

etherControlPauseGroup OBJECT-GROUP
        OBJECTS     { dot3PauseAdminMode,
                      dot3PauseOperMode,
                      dot3InPauseFrames,
                      dot3OutPauseFrames
                    }
        STATUS      current
        DESCRIPTION "A collection of objects providing information
                    about and control of the MAC Control PAUSE
                    function on ethernet-like network interfaces."
        ::= { etherGroups 9 }

etherStatsBaseGroup2 OBJECT-GROUP
        OBJECTS     { dot3StatsIndex,
                      dot3StatsAlignmentErrors,
                      dot3StatsFCSErrors,
                      dot3StatsInternalMacTransmitErrors,
                      dot3StatsFrameTooLongs,
                      dot3StatsInternalMacReceiveErrors
                    }
        STATUS      current
        DESCRIPTION "A collection of objects providing information
                    applicable to all ethernet-like network
                    interfaces."
        ::= { etherGroups 10 }

etherStatsHalfDuplexGroup OBJECT-GROUP
        OBJECTS     { dot3StatsSingleCollisionFrames,
                      dot3StatsMultipleCollisionFrames,
                      dot3StatsDeferredTransmissions,
                      dot3StatsLateCollisions,
                      dot3StatsExcessiveCollisions,
                      dot3StatsCarrierSenseErrors
                    }
        STATUS      current
        DESCRIPTION "A collection of objects providing information
                    applicable only to half-duplex ethernet-like
                    network interfaces."
        ::= { etherGroups 11 }

etherHCStatsGroup OBJECT-GROUP
        OBJECTS     { dot3HCStatsAlignmentErrors,
                      dot3HCStatsFCSErrors,
                      dot3HCStatsInternalMacTransmitErrors,
                      dot3HCStatsFrameTooLongs,
                      dot3HCStatsInternalMacReceiveErrors,
                      dot3HCStatsSymbolErrors
                    }
        STATUS      current
        DESCRIPTION "A collection of objects providing high-capacity
                    statistics applicable to higher-speed
                    ethernet-like network interfaces."
        ::= { etherGroups 12 }

etherHCControlGroup OBJECT-GROUP
        OBJECTS     { dot3HCControlInUnknownOpcodes }
        STATUS      current
        DESCRIPTION "A collection of objects providing high-capacity
                    statistics for the MAC Control sublayer on
                    higher-speed ethernet-like network interfaces."
        ::= { etherGroups 13 }

etherHCControlPauseGroup OBJECT-GROUP
        OBJECTS     { dot3HCInPauseFrames,
                      dot3HCOutPauseFrames

}
        STATUS      current
        DESCRIPTION "A collection of objects providing high-capacity
                    statistics for the MAC Control PAUSE function on
                    higher-speed ethernet-like network interfaces."
        ::= { etherGroups 14 }

etherRateControlGroup OBJECT-GROUP
        OBJECTS     { dot3StatsRateControlAbility,
                      dot3StatsRateControlStatus
                    }
        STATUS      current
        DESCRIPTION "A collection of objects providing information
                    about the Rate Control function on ethernet-like
                    interfaces."
        ::= { etherGroups 15 }

END

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