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Operation Diagnostics
180
9.5 Event counter on port level
Basic - L3P
Release 3.1 06/07
9.5 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. In the menü
item restart with "Restart Switch", "Hot restart" or "Reset port counters" you
can reset all event counters to 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 14: 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.
Summary of Contents for MACH 4000 Series
Page 8: ...Contents 8 Basic L3P Release 3 1 06 07 Appendix C Index 231...
Page 12: ...Key 12 Basic L3P Release 3 1 06 07 Hub A random computer Configuration computer Server...
Page 14: ...Introduction 14 Basic L3P Release 3 1 06 07...
Page 50: ...Entering the IP parameters 50 2 9 Faulty Device Replacement Basic L3P Release 3 1 06 07...
Page 60: ...Loading saving settings 60 3 2 Saving settings Basic L3P Release 3 1 06 07...
Page 72: ...Configuring ports 72 Basic L3P Release 3 1 06 07 Fig 20 Power over Ethernet dialog...
Page 132: ...Traffic control 132 8 2 Multicast application Basic L3P Release 3 1 06 07 Fig 35 IGMP dialog...
Page 162: ...Traffic control 162 8 6 VLANs Basic L3P Release 3 1 06 07 Fig 48 Saving the VLAN configuration...
Page 217: ...General Information Basic L3P Release 3 1 06 07 217 Appendix B General Information...
Page 234: ...Index 234 Basic L3P Release 3 1 06 07...
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