Chapter 3 Troubleshooting

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 10 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-

Non-standard cables may increase the number of network collisions and

standard

cause other network problems that affect your network performance.

network

Refer to Section 2.2.2 on page 14 for more information on network cable

cables

types.

 

 

Cabling

If you use longer cables than are needed, transmission quality may be

Length

affected.

 

The network cables should not be longer than the limit of 100 meters.

 

 

Too many

Too many hubs (or repeaters) between the connected computers in the

hubs

network may increase the number of network collision or other network

between the

problems. Remove unnecessary hubs from the network.

computers in

 

the network

 

 

 

A loop in the

A data path loop forms when there is more than one path or route

data path

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.

 

 

22

 

ES1100 Series User’s Guide