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Routing

Routing. Working at a Small-to-Medium Business or ISP – Chapter 6. Objectives. Describe the purpose and function of dynamic routing and the protocols used to implement it. Configure RIPv2 dynamic routing using the Cisco IOS. Describe the use of exterior routing protocols across the Internet.

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Routing

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  1. Routing Working at a Small-to-Medium Business or ISP – Chapter 6

  2. Objectives • Describe the purpose and function of dynamic routing and the protocols used to implement it. • Configure RIPv2 dynamic routing using the Cisco IOS. • Describe the use of exterior routing protocols across the Internet. • Enable BGP on a customer site router.

  3. Dynamic Routing and Protocols • Describe the purpose and function of routing and the required protocols used.

  4. How Routers use Routes • Describe the purpose of destination, mask, gateway, and metric in a routing table route.

  5. Static and Default Routes • Describe the syntax and function of manually-configured routes.

  6. Dynamic Routing and Protocols • Compare and contrast the distance vector and link state protocols and identify common types of each.

  7. Dynamic Routing and Protocols • Describe and compare the RIP, EIGRP and OSPF routing protocols

  8. Dynamic Routing and Protocols • Describe the routing protocols that are most commonly deployed in an organization’s network for routing internally.

  9. Dynamic Routing and Protocols • Describe and implement RIP routing on an integrated router.

  10. Exterior Routing Protocols Across the Internet • Describe an Autonomous System

  11. Exterior Routing Protocols Across the Internet • Describe the difference between interior and exterior routing protocols

  12. Exterior Routing Protocols Across the Internet • Describe how packets are routed across the Internet

  13. Exterior Routing Protocols Across the Internet • Describe how ISPs use exterior routing protocols to forward traffic

  14. Exterior Routing Protocols Across the Internet • Implement BGP using a predefined configuration and verify its operation

  15. Summary • All routers make routing decisions by looking up information stored in their routing tables. • Routes can be statically assigned by an administrator, or dynamically learned by the router via a routing protocol. • Routing protocols use either distance-vector or link-state algorithms to calculate the best routes to each destination. • Criteria such as ease of management, ease of configuration, and efficiency must be considered when selecting a routing protocol for use within an organization. • Organizations are also called Autonomous Systems. • Between Autonomous Systems, Exterior Gateway routing protocols control the flow of traffic. • ISPs handle Internet traffic through the use of routing policies.

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