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504 lines
20 KiB
Plaintext
504 lines
20 KiB
Plaintext
EtherLike-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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Counter FROM RFC1155-SMI
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ifIndex, transmission FROM RFC1213-MIB
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OBJECT-TYPE FROM RFC-1212;
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-- This MIB module uses the extended OBJECT-TYPE macro as
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-- defined in RFC-1212.
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dot3 OBJECT IDENTIFIER ::= { transmission 7 }
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-- the Ethernet-like Statistics group
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dot3StatsTable OBJECT-TYPE
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SYNTAX SEQUENCE OF Dot3StatsEntry
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"Statistics for a collection of ethernet-like
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interfaces attached to a particular system."
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::= { dot3 2 }
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dot3StatsEntry OBJECT-TYPE
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SYNTAX Dot3StatsEntry
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"Statistics for a particular interface to an
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ethernet-like medium."
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INDEX { dot3StatsIndex }
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::= { dot3StatsTable 1 }
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Dot3StatsEntry ::= SEQUENCE {
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dot3StatsIndex INTEGER,
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dot3StatsAlignmentErrors Counter,
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dot3StatsFCSErrors Counter,
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dot3StatsSingleCollisionFrames Counter,
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dot3StatsMultipleCollisionFrames Counter,
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dot3StatsSQETestErrors Counter,
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dot3StatsDeferredTransmissions Counter,
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dot3StatsLateCollisions Counter,
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dot3StatsExcessiveCollisions Counter,
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dot3StatsInternalMacTransmitErrors Counter,
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dot3StatsCarrierSenseErrors Counter,
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dot3StatsFrameTooLongs Counter,
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dot3StatsInternalMacReceiveErrors Counter,
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dot3StatsEtherChipSet OBJECT IDENTIFIER
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}
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dot3StatsIndex OBJECT-TYPE
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SYNTAX INTEGER
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"An index value that uniquely identifies an
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interface to an ethernet-like medium. The
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interface identified by a particular value of
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this index is the same interface as identified
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by the same value of ifIndex."
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::= { dot3StatsEntry 1 }
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dot3StatsAlignmentErrors OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of frames received on a particular
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interface that are not an integral number of
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octets in length and do not pass the FCS check.
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The count represented by an instance of this
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object is incremented when the alignmentError
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status is returned by the MAC service to the
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LLC (or other MAC user). Received frames for
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which multiple error conditions obtain are,
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according to the conventions of IEEE 802.3
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Layer Management, counted exclusively according
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to the error status presented to the LLC."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 2 }
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dot3StatsFCSErrors OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of frames received on a particular
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interface that are an integral number of octets
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in length but do not pass the FCS check.
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The count represented by an instance of this
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object is incremented when the frameCheckError
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status is returned by the MAC service to the
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LLC (or other MAC user). Received frames for
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which multiple error conditions obtain are,
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according to the conventions of IEEE 802.3
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Layer Management, counted exclusively according
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to the error status presented to the LLC."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 3 }
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dot3StatsSingleCollisionFrames OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of successfully transmitted frames on
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a particular interface for which transmission
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is inhibited by exactly one collision.
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A frame that is counted by an instance of this
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object is also counted by the corresponding
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instance of either the ifOutUcastPkts,
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ifOutMulticastPkts, or ifOutBroadcastPkts,
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and is not counted by the corresponding
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instance of the dot3StatsMultipleCollisionFrames
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object."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 4 }
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dot3StatsMultipleCollisionFrames OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of successfully transmitted frames on
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a particular interface for which transmission
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is inhibited by more than one collision.
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A frame that is counted by an instance of this
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object is also counted by the corresponding
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instance of either the ifOutUcastPkts,
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ifOutMulticastPkts, or ifOutBroadcastPkts,
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and is not counted by the corresponding
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instance of the dot3StatsSingleCollisionFrames
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object."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 5 }
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dot3StatsSQETestErrors OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of times that the SQE TEST ERROR
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message is generated by the PLS sublayer for a
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particular interface. The SQE TEST ERROR
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message is defined in section 7.2.2.2.4 of
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ANSI/IEEE 802.3-1985 and its generation is
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described in section 7.2.4.6 of the same
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document."
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REFERENCE
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"ANSI/IEEE Std 802.3-1985 Carrier Sense
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Multiple Access with Collision Detection Access
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Method and Physical Layer Specifications"
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::= { dot3StatsEntry 6 }
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dot3StatsDeferredTransmissions OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of frames for which the first
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transmission attempt on a particular interface
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is delayed because the medium is busy.
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The count represented by an instance of this
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object does not include frames involved in
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collisions."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 7 }
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dot3StatsLateCollisions OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"The number of times that a collision is
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detected on a particular interface later than
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512 bit-times into the transmission of a
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packet.
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Five hundred and twelve bit-times corresponds
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to 51.2 microseconds on a 10 Mbit/s system. A
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(late) collision included in a count
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represented by an instance of this object is
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also considered as a (generic) collision for
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purposes of other collision-related
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statistics."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 8 }
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dot3StatsExcessiveCollisions OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of frames for which transmission on a
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particular interface fails due to excessive
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collisions."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 9 }
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dot3StatsInternalMacTransmitErrors OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of frames for which transmission on a
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particular interface fails due to an internal
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MAC sublayer transmit error. A frame is only
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counted by an instance of this object if it is
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not counted by the corresponding instance of
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either the dot3StatsLateCollisions object, the
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dot3StatsExcessiveCollisions object, or the
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dot3StatsCarrierSenseErrors object.
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The precise meaning of the count represented by
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an instance of this object is implementation-
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specific. In particular, an instance of this
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object may represent a count of transmission
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errors on a particular interface that are not
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otherwise counted."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 10 }
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dot3StatsCarrierSenseErrors OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"The number of times that the carrier sense
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condition was lost or never asserted when
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attempting to transmit a frame on a particular
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interface.
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The count represented by an instance of this
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object is incremented at most once per
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transmission attempt, even if the carrier sense
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condition fluctuates during a transmission
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attempt."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 11 }
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-- { dot3StatsEntry 12 } is not assigned
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dot3StatsFrameTooLongs OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of frames received on a particular
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interface that exceed the maximum permitted
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frame size.
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The count represented by an instance of this
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object is incremented when the frameTooLong
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status is returned by the MAC service to the
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LLC (or other MAC user). Received frames for
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which multiple error conditions obtain are,
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according to the conventions of IEEE 802.3
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Layer Management, counted exclusively according
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to the error status presented to the LLC."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 13 }
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-- { dot3StatsEntry 14 } is not assigned
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-- { dot3StatsEntry 15 } is not assigned
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dot3StatsInternalMacReceiveErrors OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of frames for which reception on a
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particular interface fails due to an internal
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MAC sublayer receive error. A frame is only
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counted by an instance of this object if it is
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not counted by the corresponding instance of
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either the dot3StatsFrameTooLongs object, the
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dot3StatsAlignmentErrors object, or the
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dot3StatsFCSErrors object.
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The precise meaning of the count represented by
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an instance of this object is implementation-
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specific. In particular, an instance of this
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object may represent a count of receive errors
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on a particular interface that are not
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otherwise counted."
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REFERENCE
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"IEEE 802.3 Layer Management"
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::= { dot3StatsEntry 16 }
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dot3StatsEtherChipSet OBJECT-TYPE
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SYNTAX OBJECT IDENTIFIER
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"This object contains an OBJECT IDENTIFIER
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which identifies the chipset used to
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realize the interface. Ethernet-like
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interfaces are typically built out of
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several different chips. The MIB implementor
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is presented with a decision of which chip
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to identify via this object. The implementor
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should identify the chip which is usually
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called the Medium Access Control chip.
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If no such chip is easily identifiable,
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the implementor should identify the chip
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which actually gathers the transmit
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and receive statistics and error
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indications. This would allow a
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manager station to correlate the
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statistics and the chip generating
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them, giving it the ability to take
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into account any known anomalies
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in the chip."
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::= { dot3StatsEntry 17 }
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-- the Ethernet-like Collision Statistics group
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-- Implementation of this group is optional; it is appropriate
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-- for all systems which have the necessary metering
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dot3CollTable OBJECT-TYPE
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SYNTAX SEQUENCE OF Dot3CollEntry
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"A collection of collision histograms for a
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particular set of interfaces."
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::= { dot3 5 }
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dot3CollEntry OBJECT-TYPE
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SYNTAX Dot3CollEntry
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"A cell in the histogram of per-frame
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collisions for a particular interface. An
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instance of this object represents the
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frequency of individual MAC frames for which
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the transmission (successful or otherwise) on a
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particular interface is accompanied by a
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particular number of media collisions."
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INDEX { ifIndex, dot3CollCount }
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::= { dot3CollTable 1 }
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Dot3CollEntry ::= SEQUENCE {
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dot3CollCount INTEGER,
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dot3CollFrequencies Counter
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}
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-- { dot3CollEntry 1 } is no longer in use
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dot3CollCount OBJECT-TYPE
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SYNTAX INTEGER (1..16)
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"The number of per-frame media collisions for
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which a particular collision histogram cell
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represents the frequency on a particular
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interface."
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::= { dot3CollEntry 2 }
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dot3CollFrequencies OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"A count of individual MAC frames for which the
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transmission (successful or otherwise) on a
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particular interface occurs after the
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frame has experienced exactly the number
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of collisions in the associated
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dot3CollCount object.
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For example, a frame which is transmitted
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on interface 77 after experiencing
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exactly 4 collisions would be indicated
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by incrementing only dot3CollFrequencies.77.4.
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No other instance of dot3CollFrequencies would
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be incremented in this example."
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::= { dot3CollEntry 3 }
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-- 802.3 Tests
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dot3Tests OBJECT IDENTIFIER ::= { dot3 6 }
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dot3Errors OBJECT IDENTIFIER ::= { dot3 7 }
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-- TDR Test
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-- The Time-Domain Reflectometry (TDR) test is specific
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-- to ethernet-like interfaces with the exception of
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-- 10BaseT and 10BaseF. The TDR value may be useful
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-- in determining the approximate distance to a cable fault.
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-- It is advisable to repeat this test to check for a
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-- consistent resulting TDR value, to verify that there
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-- is a fault.
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dot3TestTdr OBJECT IDENTIFIER ::= { dot3Tests 1 }
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-- A TDR test returns as its result the time interval,
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-- measured in 10 MHz ticks or 100 nsec units, between
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-- the start of TDR test transmission and the subsequent
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-- detection of a collision or deassertion of carrier. On
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-- successful completion of a TDR test, the result is
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-- stored as the value of the appropriate instance of the
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-- MIB object dot3TestTdrValue, and the OBJECT IDENTIFIER
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-- of that instanceis stored in the corresponding instance
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-- of ifExtnsTestCode (thereby indicating where the
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-- result has been stored).
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-- Loopback Test
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-- Another test is the full-duplex loopback test.
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-- This test configures the MAC chip and executes
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-- an internal loopback test of memory, data paths,
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-- and the MAC chip logic. This loopback test can
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-- only be executed if the interface is offline.
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-- Once the test has completed, the MAC chip should
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-- be reinitialized for network operation, but it
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-- should remain offline.
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dot3TestLoopBack OBJECT IDENTIFIER ::= { dot3Tests 2 }
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-- If an error occurs during a test, the object
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-- ifTestResult (defined in RFC1573) will be set
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-- to failed(7). The following two OBJECT
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-- IDENTIFIERs may be used to provided more
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-- information as values for ifTestCode.
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-- couldn't initialize MAC chip for test
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dot3ErrorInitError OBJECT IDENTIFIER ::= { dot3Errors 1 }
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-- expected data not received (or not
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-- received correctly) in loopback test
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dot3ErrorLoopbackError OBJECT IDENTIFIER ::= { dot3Errors 2 }
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-- RFC1573 does away with the interface chipset object.
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-- The following OBJECT IDENTIFIER definitions are
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-- retained for purposes of backwards compatibility
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-- with pre-RFC1573 systems.
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-- 802.3 Hardware Chipsets
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-- The object ifExtnsChipSet is provided in RFC1229 to
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-- identify the MAC hardware used to communcate on an
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-- interface. The following hardware chipsets are
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-- provided for 802.3:
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dot3ChipSets OBJECT IDENTIFIER ::= { dot3 8 }
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dot3ChipSetAMD OBJECT IDENTIFIER ::= { dot3ChipSets 1 }
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dot3ChipSetAMD7990 OBJECT IDENTIFIER ::= { dot3ChipSetAMD 1 }
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dot3ChipSetAMD79900 OBJECT IDENTIFIER ::= { dot3ChipSetAMD 2 }
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dot3ChipSetAMD79C940 OBJECT IDENTIFIER ::= { dot3ChipSetAMD 3 }
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dot3ChipSetIntel OBJECT IDENTIFIER ::= { dot3ChipSets 2 }
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dot3ChipSetIntel82586 OBJECT IDENTIFIER ::= { dot3ChipSetIntel 1 }
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dot3ChipSetIntel82596 OBJECT IDENTIFIER ::= { dot3ChipSetIntel 2 }
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dot3ChipSetSeeq OBJECT IDENTIFIER ::= { dot3ChipSets 3 }
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dot3ChipSetSeeq8003 OBJECT IDENTIFIER ::= { dot3ChipSetSeeq 1 }
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dot3ChipSetNational OBJECT IDENTIFIER ::= { dot3ChipSets 4 }
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dot3ChipSetNational8390 OBJECT IDENTIFIER ::=
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{ dot3ChipSetNational 1 }
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dot3ChipSetNationalSonic OBJECT IDENTIFIER ::=
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{ dot3ChipSetNational 2 }
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dot3ChipSetFujitsu OBJECT IDENTIFIER ::= { dot3ChipSets 5 }
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dot3ChipSetFujitsu86950 OBJECT IDENTIFIER ::=
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{ dot3ChipSetFujitsu 1 }
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dot3ChipSetDigital OBJECT IDENTIFIER ::= { dot3ChipSets 6 }
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dot3ChipSetDigitalDC21040 OBJECT IDENTIFIER ::=
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{ dot3ChipSetDigital 1 }
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-- For those chipsets not represented above, OBJECT IDENTIFIER
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-- assignment is required in other documentation, e.g., assignment
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-- within that part of the registration tree delegated to
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-- individual enterprises (see RFC1155).
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END
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