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Troubleshooting Routers

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308656-14.00 Rev 00

Reading the Release Notes and Relevant Documentation

The release notes and the manuals that describe how to configure and manage the

protocols on your network provide guidelines on how to prevent problems. Read

them before installing or upgrading router or Site Manager software.

Minimizing Disruption When Installing New Software

When installing or upgrading software, or using a new feature for the first time,

test it at a time or on a node that minimizes disruption to the network. Make

software changes one node at a time in the network. Doing so will help you to

isolate and solve any problems that may occur as a result of the change.

Selecting the Proper Tool for Configuring a Router

Nortel Networks recommends that you use the configuration tools as follows:

• Use the Configuration Manager in remote or local mode when you create a

new configuration file or make major changes to an existing configuration

file.

• Use the Configuration Manager in dynamic mode only to perform minor

changes such as changing a filter or adding a port.

• Use the Technician Interface to issue

set

and

commit

commands to make

minor configuration changes only if Site Manager is unavailable; the

Technician Interface does not perform any error checking.

Caution:

Dynamic changes to the router’s base records and global parameters

can cause an interruption in service. For example, if you change the size of the

bridge forwarding table, the router deletes the table and re-creates it, causing a

temporary decline in performance. Therefore, you may want to schedule such

changes to minimize the impact on your network.

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Avaya Troubleshooting Routers Guía para resolver problemas Pagina 26