Intel Express 530T User Manual page 108

C H A P T E R
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5 Intel Express 530T Switch Users Guide
Late collision: The number of collisions detected after the allowable
detection period. This usually occurs in networks where cables are longer
than the IEEE specification.
MAC Rx error: The number of received packets containing Rx Error
events.
Dropped frames: The number of frames dropped by this port since the
last switch reboot.
Undersize frames: The number of frames detected that are less than the
minimum permitted frame size of 64 bytes and have a good CRC.
Undersize frames usually indicate collision fragments, a normal network
event.
Total errors: The total number of errors detected since the last switch
reboot. Total errors include everything listed in this error table.
Collisions: A collision occurs when two devices try to transmit at the
same time. This counter tracks the number of times packets have collided
on this port. Collisions are normal in an Ethernet network and tend to
increase as network utilization rises. Therefore, an increase in collision
rate without an increase in network utilization might indicate a problem.