📄 rfc1398.txt
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REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 3 }
dot3StatsSingleCollisionFrames OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A count of successfully transmitted frames on
a particular interface for which transmission
is inhibited by exactly one collision.
A frame that is counted by an instance of this
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RFC 1398 Ethernet-Like MIB January 1993
object is also counted by the corresponding
instance of either the ifOutUcastPkts or
ifOutNUcastPkts object and is not counted by
the corresponding instance of the
dot3StatsMultipleCollisionFrames object."
REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 4 }
dot3StatsMultipleCollisionFrames OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A count of successfully transmitted frames on
a particular interface for which transmission
is inhibited by more than one collision.
A frame that is counted by an instance of this
object is also counted by the corresponding
instance of either the ifOutUcastPkts or
ifOutNUcastPkts object and is not counted by
the corresponding instance of the
dot3StatsSingleCollisionFrames object."
REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 5 }
dot3StatsSQETestErrors OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A count of times that the SQE TEST ERROR
message is generated by the PLS sublayer for a
particular interface. The SQE TEST ERROR
message is defined in section 7.2.2.2.4 of
ANSI/IEEE 802.3-1985 and its generation is
described in section 7.2.4.6 of the same
document."
REFERENCE
"ANSI/IEEE Std 802.3-1985 Carrier Sense
Multiple Access with Collision Detection Access
Method and Physical Layer Specifications"
::= { dot3StatsEntry 6 }
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dot3StatsDeferredTransmissions OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A count of frames for which the first
transmission attempt on a particular interface
is delayed because the medium is busy.
The count represented by an instance of this
object does not include frames involved in
collisions."
REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 7 }
dot3StatsLateCollisions OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The number of times that a collision is
detected on a particular interface later than
512 bit-times into the transmission of a
packet.
Five hundred and twelve bit-times corresponds
to 51.2 microseconds on a 10 Mbit/s system. A
(late) collision included in a count
represented by an instance of this object is
also considered as a (generic) collision for
purposes of other collision-related
statistics."
REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 8 }
dot3StatsExcessiveCollisions OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A count of frames for which transmission on a
particular interface fails due to excessive
collisions."
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REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 9 }
dot3StatsInternalMacTransmitErrors OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A count of frames for which transmission on a
particular interface fails due to an internal
MAC sublayer transmit error. A frame is only
counted by an instance of this object if it is
not counted by the corresponding instance of
either the dot3StatsLateCollisions object, the
dot3StatsExcessiveCollisions object, or the
dot3StatsCarrierSenseErrors object.
The precise meaning of the count represented by
an instance of this object is implementation-
specific. In particular, an instance of this
object may represent a count of transmission
errors on a particular interface that are not
otherwise counted."
REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 10 }
dot3StatsCarrierSenseErrors OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The number of times that the carrier sense
condition was lost or never asserted when
attempting to transmit a frame on a particular
interface.
The count represented by an instance of this
object is incremented at most once per
transmission attempt, even if the carrier sense
condition fluctuates during a transmission
attempt."
REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 11 }
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-- { dot3StatsEntry 12 } is not assigned
dot3StatsFrameTooLongs OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A count of frames received on a particular
interface that exceed the maximum permitted
frame size.
The count represented by an instance of this
object is incremented when the frameTooLong
status is returned by the MAC service to the
LLC (or other MAC user). Received frames for
which multiple error conditions obtain are,
according to the conventions of IEEE 802.3
Layer Management, counted exclusively according
to the error status presented to the LLC."
REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 13 }
-- { dot3StatsEntry 14 } is not assigned
-- { dot3StatsEntry 15 } is not assigned
dot3StatsInternalMacReceiveErrors OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
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
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RFC 1398 Ethernet-Like MIB January 1993
on a particular interface that are not
otherwise counted."
REFERENCE
"IEEE 802.3 Layer Management"
::= { dot3StatsEntry 16 }
4.2. The Ethernet-like Collision Statistics Group
-- 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
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"A collection of collision histograms for a
particular set of interfaces."
::= { dot3 5 }
dot3CollEntry OBJECT-TYPE
SYNTAX Dot3CollEntry
ACCESS not-accessible
STATUS mandatory
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 { dot3CollIndex, dot3CollCount }
::= { dot3CollTable 1 }
Dot3CollEntry ::= SEQUENCE {
dot3CollIndex
INTEGER,
dot3CollCount
INTEGER,
dot3CollFrequencies
Counter
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RFC 1398 Ethernet-Like MIB January 1993
}
dot3CollIndex OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The index value that uniquely identifies the
interface to which a particular collision
histogram cell pertains. The interface
identified by a particular value of this index
is the same interface as identified by the same
value of ifIndex."
::= { dot3CollEntry 1 }
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