1 © 2003, Cisco Systems, Inc. All rights reserved. CCNA 2 v3.0 Module 3 Configuring a Router

222 © 2003, Cisco Systems, Inc. All rights reserved. Objectives Configuring a router Finishing the configuration

333 © 2003, Cisco Systems, Inc. All rights reserved. Command-Line Interface Command Modes

444 © 2003, Cisco Systems, Inc. All rights reserved. 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 Mostafa Tokyo(config)#

555 © 2003, Cisco Systems, Inc. All rights reserved. Configuring Router Passwords

666 © 2003, Cisco Systems, Inc. All rights reserved. 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.

777 © 2003, Cisco Systems, Inc. All rights reserved. Serial Interface Configuration Commands

888 © 2003, Cisco Systems, Inc. All rights reserved. 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.

999 © 2003, Cisco Systems, Inc. All rights reserved. Importance of Configuration Standards

10 © 2003, Cisco Systems, Inc. All rights reserved. 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.

11 © 2003, Cisco Systems, Inc. All rights reserved. Login Banners

12 © 2003, Cisco Systems, Inc. All rights reserved. Configuring Message-of-the-Day (MOTD)

13 © 2003, Cisco Systems, Inc. All rights reserved. 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.

14 © 2003, Cisco Systems, Inc. All rights reserved. Configuring Host Tables

15 © 2003, Cisco Systems, Inc. All rights reserved. Configuration Backup and Documentation

16 © 2003, Cisco Systems, Inc. All rights reserved. Using the copy running-config tftp Command

17 © 2003, Cisco Systems, Inc. All rights reserved. Using the copy tftp running-config Command