DES-3550 Layer 2 Fast Ethernet Switch User’s Guide
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Figure 8- 11. Tx Error Analysis window (table)
The following fields may be set or viewed:
Parameter Description
Time Interval [1s ]
Select the desired setting between 1s and 60s, where “s” stands for
seconds. The default value is one second.
Record Number [200]
Select number of times the Switch will be polled between 20 and 200. The
default value is 20.
ExDefer
Counts the number of packets for which the first transmission attempt on a
particular interface was delayed because the medium was busy.
LateColl
Counts the number of times that a collision is detected later than 512 bit-
times into the transmission of a packet.
ExColl
Excessive Collisions. The number of packets for which transmission failed
due to excessive collisions.
SingColl
Single Collision Frames. The number of successfully transmitted packets for
which transmission is inhibited by more than one collision.
Coll
An estimate of the total number of collisions on this network segment.
Show/Hide
Check whether or not to display ExDefer, LateColl, ExColl, SingColl, and Coll
errors.
Clear
Clicking this button clears all statistics counters on this window.
View Table Clicking this button instructs the Switch to display a table rather than a line
graph.
View Line Chart Clicking this button instructs the Switch to display a line graph rather than a
table.
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