Router fundamentals

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All about Routers

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Router fundamentals

  1. 1. Router Fundamentals <br />
  2. 2. Chapter Objectives<br />Explain router components<br />Explain router installation<br />Discuss router boot sequence<br />Define Internetwork Operating System (IOS)<br />Set hostname, banners and passwords for the router<br />
  3. 3. Recall - I<br />Different network devices include:<br />Hubs<br />Routers<br />Switches<br />Bridges<br />Repeaters<br />Different types of hubs include:<br />Active<br />Passive<br />Hybrid<br />
  4. 4. Recall - II<br />Different WAN devices include:<br />WAN Switch<br />Access Server<br />Modem<br />Channel Service Unit<br />ISDN Terminal Adapter<br />
  5. 5. Routers<br /><ul><li>Routers are devices that forward data to their appropriate destinations
  6. 6. Routers decide the best possible route that a packet needs to take to reach its destination
  7. 7. Routers maintain a routing table to decide the route for the data</li></li></ul><li>Routers<br /><ul><li>The functions of routers are:
  8. 8. Provide traffic management
  9. 9. Do not pass broadcast traffic
  10. 10. Connect different network segments</li></li></ul><li>Router Components<br />Router components allow the router to enter the bootup process, load its operating system, and configuration files<br />
  11. 11. Router Boot Sequence<br />The router requires all the router components during its boot up<br />
  12. 12. Internetwork Operating System <br />IOS acts as an interface between the network devices and the user<br />It is stored in the flash memory of the router<br />The Cisco IOS software requires the processor of the system for configuring and maintaining the network devices <br />Different features of IOS include:<br />Support for different technologies <br />Scalability <br />Security<br />
  13. 13. Router Ports<br />Router ports help to configure the router, verify its configuration and access Cisco IOS<br />
  14. 14. Rear Panel of the Cisco Router<br />Rear Panel of the Cisco Router<br />
  15. 15. Router Administrative Functions<br />Router administrative functions allow easy troubleshooting and maintenance of routers<br />Router administrative function include:<br />Assigning hostname<br />Assigning banners<br />setting password<br />
  16. 16. Banners<br />Banner is a message displayed to all the users when they access the router through Telnet, console and auxiliary ports<br />It can be used to display information about the router itself or nay kind of security message <br />Four types of banners available for the Cisco routers are: <br />Message of the day banner <br />Exec process creation banner <br />Incoming terminal line banner <br />Login banner <br />
  17. 17. THANK YOU<br />

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