CCNA2 TEL III CHAPTER 3

CCNA2 TEL III CHAPTER 3

1. The data networks we use in our daily lives to learn, play and work vary from small local networks to large global internetworks. At home, a user can have a router and two or more computers. At work, an organization probably has several routers and switches to meet the data communication needs of hundreds or even thousands of computers.

   • • Dynamic routing protocol evolution
       • Dynamic routing protocols have been used in the field of networks since the late 1980s. One of the first routing protocols was the RIP. RIPv1 was launched in 1988, but already in 1969 some of the basic algorithms in that protocol were used in the Advanced Research Projects Agency Network (ARPANET). As the networks evolved and became more complex, new routing protocols emerged. The RIP protocol was updated to RIPv2 to make room for growth in the network environment. However, RIPv2 does not yet scale to the largest network implementations today.
         • Dynamic routing protocol components
           • Routing protocols are used to facilitate the exchange of routing information between routers. A routing protocol is a set of processes, algorithms and messages that are used to exchange routing information and complete the routing table with the choice of the best paths that the protocol performs. The purpose of dynamic routing protocols includes the following: Remote network detection Keep routing information updated Choose the best path to destination networks Be able to find a better new road if the current route is no longer available The main components of dynamic routing protocols include the following: Data structures: routing protocols generally use tables or databases for their operations. This information is saved in RAM. Routing protocol messages: Routing protocols use various types of messages to discover neighboring routers, exchange routing information and perform other tasks to discover the network and keep accurate information about it. Algorithm: an algorithm is a fi
           • Uses of static routing
             • Advantages and disadvantages of static routing
         • Uses of dynamic routing protocols

2. Advantages and disadvantages of dynamic routing

3. RIP configuration mode on the router

4. Network Ad

5. Verify RIP routing

6. Enabling and verifying RIPv2

7. Disable auto summary

8. Passive interfaces configuration

9. Propagate a default route

10. Routing Table Entries

11. Inputs connected directly

12. Remote network inputs

13. Routing Table Terms

14. Final route

15. Level 1 Route

16. Primary Level 1 Route

17. Secondary Route Level 2

18. Route Search Process

19. Better route = longer match

20. IPv6 routing table entries

21. Inputs connected directly

22. IPv6 remote network inputs

23. conclusion

    • Routers use dynamic routing protocols to facilitate the exchange of routing information between them. The purpose of dynamic routing protocols includes the following: detection of remote networks, maintenance of updated routing information, selection of the best route to destination networks and search for a better new route if the current route becomes unavailable. While dynamic routing protocols require less administrative overhead than static routing, they do require part of a router's resources to operate the protocol, including CPU time and network link bandwidth.

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