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4 Configuration DES-1210/ME Series Metro Ethernet Managed Switch User Manual
108
Show/Hide: Check whether or not to display CRC Error, Under Size, Over Size, Fragment, Jabber, and
Drop 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.
Monitoring > Errors > Transmitted (TX)
This page displays the following graph of error packets transmitted on the Switch. To select a port to view
these statistics for, select the port by using the Port pull-down menu. The user may also use the real-time
graphic of the Switch at the top of the web page by simply clicking on a port.
Figure 4.176 - Monitoring > Errors > Transmitted (TX) (line graph)
To view the Transmitted Error Packets Table, click the link View Table, which will show the following table:
Figure 4.177 - Monitoring > Errors > Transmitted (TX) (table)
The following fields can be set or viewed:
Time Interval: Select the desired setting between 1s and 60s, where “s” stands for seconds. The default
value is one second.
Record Number: Select number of times the Switch will be polled between 20 and 200. The default value is
200.
ExDefet: Counts the number of packets for which the first transmission attempt on a particular interface was
delayed because the medium was busy.
CRC Error: Counts otherwise valid packets that did not end on a byte (octet) boundary.
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.
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