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Chapter 3 Troubleshooting
ES1100 Series User’s Guide
18
3.1 Improper Network Cabling and Topology
Improper network cabling or topology setup is a common cause of poor network performance or
even network failure.
Figure 13 Troubleshooting Improper Network Cabling and Topology
PROBLEM CORRECTIVE ACTION
Faulty cables Using faulty network cables may affect data rates and have an impact on your network
performance. Replace with new standard network cables.
Non-standard
network cables
Non-standard cables may increase the number of network collisions and cause other
network problems that affect your network performance. Refer to Section 2.2.3 on page 11
for more information on network cable types.
Cabling Length If you use longer cables than are needed, transmission quality may be affected.
The network cables should not be longer than the limit of 100 meters.
Too many hubs
between the
computers in
the network
Too many hubs (or repeaters) between the connected computers in the network may
increase the number of network collision or other network problems. Remove unnecessary
hubs from the network.
A loop in the
data path
A data path loop forms when there is more than one path or route between two networked
computers. This results in broadcast storms that will severely affect your network
performance. Make sure there are no loops in your network topology.