Avaya Troubleshooting Routers Guia de Resolução de Problemas descarregar pdf (Página 50)

Troubleshooting Routers

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Are you using a workaround to prevent the symptoms from occurring? If

so, what?

Consideration of the workaround you are using may help you isolate the

problem.

5. What end stations are involved?

Identifying the end stations involved can help you to determine the scope of

the problem.

6. Research and consider the following additional causes:

• Trafﬁc congestion

Examine the statistics and the log to check for trafﬁc congestion. If you

determine that trafﬁc congestion is the problem, consider redistributing

trafﬁc to relieve the congestion.

• A software anomaly

Check the following documents for solutions to your problem:

— Release Notes for Router Software Version 10.0

— Release Notes for Site Manager Software Version 4.0

7. Look at the LEDs on the router’s front and rear panels, and refer to the

event log and MIB statistics to answer the following questions.

Are the symptoms limited to

• A single protocol on a single port?

If so, the problem is most likely in the network layer or above. Refer to

Chapter 6.

• Multiple protocols on a single port?

If so, the problem is most likely in the physical or data link layer. Refer to

Chapters 4 and 5.

• A single protocol on multiple ports within one slot?

If so, the problem is most likely in the conﬁguration of the network layer

protocol. Refer to Chapter 6.

• Multiple protocols on multiple ports within one slot?

If so, and if the same protocols are running OK in other slots, the problem

is most likely physical. Refer to Chapter 4.

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Avaya Troubleshooting Routers Guia de Resolução de Problemas Página 50