Hirschmann MS30, Power MICE, MACH 4000, OCTOPUS, User Manual

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Operation Diagnostics
Layer 2 Enhanced with Layer 2 Professional
Release 1.0 10/05
9.4 Event counter on port level
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9.4 Event counter on port level
The port statistics table allows experienced network administrators to identify
possible problems occuring in the network.
This table shows you the contents of various event counters. After a restart,
all the event counters begin again at zero. The counters add up the events
transmitted and the events received.
Counter Possible Problems
Received Fragments – The controller of the connected device is faulty.
– Electromagnetic interference is injected into transfer medium.
CRC error – The controller of the connected device is faulty.
– Electromagnetic interference is injected into transfer medium -
there is a faulty component in the network.
Collisions – The controller of the connected device is faulty.
– The network expansion is too big or the line is too long.
– A packet has collided with an intererence signal.
Table 11: Examples indicating possible problems
V
Select the
Diagnostics:Ports:Statistics
dialog.
V
For reseting port counters select “Reset port counters” in the
Ba-
sics:Restart
dialog.