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ONFIGURING
THE
S
WITCH
3-148
Etherlike Statistics
Alignment Errors The number of alignment errors (missynchronized data
packets).
Late Collisions The number of times that a collision is detected later
than 512 bit-times into the transmission of a packet.
FCS Errors 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.
Excessive Collisions 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.
Single Collision Frames The number of successfully transmitted frames for
which transmission is inhibited by exactly one collision.
Internal MAC Transmit
Errors
A count of frames for which transmission on a
particular interface fails due to an internal MAC
sublayer transmit error.
Multiple Collision
Frames
A count of successfully transmitted frames for which
transmission is inhibited by more than one collision.
Carrier Sense Errors The number of times that the carrier sense condition
was lost or never asserted when attempting to transmit
a frame.
SQE Test Errors A count of times that the SQE TEST ERROR message
is generated by the PLS sublayer for a particular
interface.
Frames Too Long A count of frames received on a particular interface that
exceed the maximum permitted frame size.
Deferred Transmissions A count of frames for which the first transmission
attempt on a particular interface is delayed because the
medium was busy.
Table 3-11 Port Statistics (Continued)
Parameter Description