7 • Ethernet
Model 6511RC Matrix Switch Administrators’ Reference Guide
52
Ethernet Statistics window
Single Collision Frames (dot3StatsSingleCollision Frames)
The number of successfully transmitted frames in which there was exactly one collision.
Multiple Collision Frames (dot3StatsMultipleCollisionFrames)
The number of successfully transmitted frames in which there was more than one collision.
SQE Test Errors (dot3StatsSQETestErrors)
The number of times that the SQE TEST ERROR message is generated by the PLS sublayer.
Deferred Transmissions (dot3StatsDeferredTransmissions)
The number of times in which the first transmission attempt is delayed because the medium is busy. This num-
ber does not include frames involved in collisions.
Late Collisions (dot3StatsLateCollisions)
The number of times that a collision is detected 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 Mbps system.
Excessive Collisions (dot3StatsExcessiveCollisions)
The number of frames in which transmission failed due to excessive collisions.
Other Errors (dot3StatsInternalMacTransmitErrors)
The number of frames transmission on a fails due to an internal MAC sublayer transmit error.
Carrier Sense Errors (dot3StatsCarrierSenseErrors)
The number of times that the carrier sense condition was lost or never asserted when attempting to transmit a
frame on a particular interface.
Received Frames Too Long (dot3StatsFrameTooLongs)
The number of frames received that exceed the maximum permitted frame size.
Other Received Errors (dot3StatsInternalMacReceiveErrors)
The number of frames in which reception fails due to an internal MAC sublayer receive error.
Chip Set ID (dot3StatsEtherChipSet)
Ethernet-like interfaces are typically built out of several different chips. This value identifies the chip set that
gathers the transmit and receive statistics and error indications.
Summary of Contents for 6511RC
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