Router fundamentals

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All about Routers

All about Routers

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Transcript

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