Operation diagnosis
Basic - L3P
Release
4.0
11/07
9.5
Event counter at port level
15
9.5 Event counter at port level
The port statistics table enables experienced network administrators to iden-
tify possible problems in the network.
This table shows you the contents of various event counters. In the Restart
menu item, you can reset all the event counters to zero using "Warm start",
"Cold start" or "Reset port counter".
The counters add up the events sent and the events received.
Counter Possible problem
Received fragments – The controller of the connected device is faulty – Electromagnetic
interference in the transmission medium
CRC error – The controller of the connected device is faulty – Electromagnetic
interference in the transmission medium - Defective component in
the network
Collisions – The controller of the connected device is faulty – Network overex-
tended/lines too long – Collision of a fault with a data packet
Table 16: Examples indicating possible problems
Select the Diagnostics:Ports:Statistics dialog.
To reset the counters, click on "Reset port counters" in the Ba-
sics:Restart dialog.
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