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CCNA 2 v3.0 Module 3 Configuring a Router

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Objectives

• Configuring a router

• Finishing the configuration

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Command-Line InterfaceCommand Modes

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Configuring a Router Name

A router should be given a unique name as one of the first configuration tasks. This task is accomplished in global configuration mode using the following commands:

Router(config)#hostname MostafaTokyo(config)#

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Configuring Router Passwords

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Examining the show Commands

• There are many show commands that you can use to examine the contents of files in the router and for troubleshooting.

• In both privileged EXEC and user EXEC modes, the command show ? provides a list of available show commands.

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Serial Interface Configuration Commands

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Configuring an Ethernet Interface

• To configure an Ethernet interface follow these steps:

Enter global configuration mode.

Enter interface configuration mode.

Specify the interface address and subnet mask.

Enable the interface.

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Importance of Configuration Standards

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Configuring Interface Descriptions

An interface description should be used to identify important information such as a distant router, a circuit number, or a specific network segment.

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Login Banners

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Configuring Message-of-the-Day (MOTD)

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Host Name Resolutions

• Host name resolution is the process that a computer system uses to associate a host name with an IP address.

• Host names, unlike DNS names, are significant only on the router on which they are configured.

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Configuring Host Tables

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Configuration Backup and Documentation

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Using the copy running-config tftp Command

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Using the copy tftp running-config Command