Re: RUNT Packets
Generalized non-resettable counter.This counter has a maximum
increment rate of 75 000 counts per second.
BEHAVIOUR DEFINED AS:
Increment counter by one for each CarrierEvent that meets one of
following two conditions.Only one test need be made.(1)The
ActivityDuration is greater than ShortEventMaxTime and less than
ValidPacketMinTime and the CollisionEvent signal is
OctetCount is less than 64,the ActivityDuration is greater than
ShortEventMaxTime and the CollisionEvent signal is deasserted.
ValidPacketMinTime is greater than or equal to 552 bit times and less
565 bit times.An event whose length is greater than 74 bit times but
than 82 bit times shall increment either the aShortEvents attribute or
aRunts attribute but not both.A CarrierEvent greater than or equal to
bit times but less than 565 bit times may or may not be counted as a
ValidPacketMinTime has tolerances included to provide for circuit
between a conformance test point at the AUI and the measurement
within the state machine.
NOTE óRunts usually
indicate collision fragments,a normal network event.
In certain situations associated with large diameter networks a
percentage of runts
may exceed ValidPacketMinTime.
At 02:49 AM 11/14/00 -0800, James Colin wrote:
Can you explain the term "runt packets"?
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