DES-3226L Layer 2
Fast Ethernet Switch User’s Guide
RX (receive)
Parameter
Description
Excessive Deferral
The number of frames for which the first transmission attempt on a
particular interface was delayed because the medium was busy.
CRC Error
Counts otherwise valid frames that did not end on a byte (octet) boundary.
Late Collision
Late Collisions. The number of times that a collision is detected later than
512 bit-times into the transmission of a packet.
Excessive Collision
Excessive Collisions. The number of frames for which transmission failed
due to excessive collisions.
Single Collision
Single Collision Frames. The number of successfully transmitted frames for
which transmission is inhibited by more than one collision.
Collision
An estimate of the total number of collisions on this network segment.
Port Packet Analysis
The Web Manager allows packets received by the Switch, arranged in groups, to be viewed as
a table, as shown below.
B
A
C
Figure 5-31. Port Packet Analysis window
Select the desired port using the
Port
drop-down menu. The
Update
Interval
field sets the
interval at which the error statistics are updated. The user may choose intervals of
2, 5, 15, 30
and
60
seconds.
Suspend
will stop the updates. The default setting for this field is
2 seconds
.
If the user wishes to view these statistics in a separate window from the web-based
management, click
Show in new browser
.
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