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Management Guide
3-29
Parameter Description
Alignment Errors For 10 Mbps ports, this counter records alignment errors (mis-
synchronized data packets). For 100 Mbps ports, this counter records
the sum of alignment errors and code errors (frames received with
rxerror signal).
FCS Errors The number of frames received that are an integral number of octets in
length but do not pass the FCS check.
Single Collision Frames
1
The number of successfully transmitted frames for which transmission
is inhibited by exactly one collision.
Multiple Collision Frames
1
A count of successfully transmitted frames for which transmission is
inhibited by more that one collision.
SQE Test Errors
1
A count of times that the SQE TEST ERROR message is generated by
the PLS sublayer.
Deferred Transmissions
1
A count of frames for which the first transmission attempt on a
particular interface is delayed because the medium was busy.
Late Collisions The number of times that a collision is detected later than 512 bit-times
into the transmission of a packet.
Excessive Collisions
1
The number of frames for which transmission failed due to excessive
collisions.
Internal Mac Transmit Errors
1
The number of frames for which transmission failed due to an internal
MAC sublayer transmit error.
Carrier Sense Errors
1
The number of times that the carrier sense condition was lost or never
asserted when attempting to transmit a frame.
Frames Too Long The number of frames received that exceed the maximum permitted
frame size.
Internal Mac Receive Errors
1
The number of frames for which reception failed due to an internal
MAC sublayer receive error.
1: The values will always be zero because these statistics are not supported by the internal chip set.