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Table 48 Ethernet statistics for port
Statistics Description
dot3StatsFCSErrors A count of frames received on a particular interface that are an integral
number of octets in length but do not pass the Frame Check Sequence
(FCS) check.
The count represented by an instance of this object is incremented when
the frameCheckError status is returned by the MAC service to the
LLC (or other MAC user).
Received frames for which multiple error conditions obtained are,
according to the conventions of IEEE 802.3 Layer Management,
counted exclusively according to the error status presented to the LLC.
dot3StatsSingleCollisionFrames A count of successfully transmitted frames on a particular interface for
which transmission is inhibited by exactly one collision.
A frame that is counted by an instance of this object is also counted by
the corresponding instance of the ifOutUcastPkts, ifOutMulticastPkts, or
ifOutBroadcastPkts, and is not counted by the corresponding instance of
the dot3StatsMultipleCollisionFrame object.
dot3StatsMultipleCollisionFrames 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 the ifOutUcastPkts, ifOutMulticastPkts, or
ifOutBroadcastPkts, and is not counted by the corresponding instance of
the dot3StatsSingleCollisionFrames object.
dot3StatsLateCollisions 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.
dot3StatsExcessiveCollisions A count of frames for which transmission on a particular interface fails
due to excessive collisions.
dot3StatsInternalMacTransmitErrors 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 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.
dot3StatsFrameTooLongs A count of frames received on a particular interface that exceeds 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 obtained are,
according to the conventions of IEEE 802.3 Layer Management,
counted exclusively according to the error status presented to the LLC.
dot3StatsInternalMacReceiveErrors 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 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 received errors on a particular interface that
are not otherwise counted.