Routing Protocols and Concepts

Upon completion you will be able to: Differentiate between a unicast, multicast, and broadcast message; know the many applications of multicasting; understand multicast link state routing and MOSPF; understand multicast link state routing and DVMRP; understand the Core-Based Tree Protocol; understand the Protocol Independent Multicast Protocols; understand the MBONE concept.

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This chapter describes the delivery and forwarding of IP packets. Delivery refers to the way a packet is handled by the underlying networks under the control of the network layer. Concepts such as direct and indirect delivery are discussed. Forwarding refers to the way a packet is delivered to the next station. We discuss two trends in forwarding: forwarding based on destination address of the packet and forwarding based on the label attached to the packet.

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In this chapter, you will learn to: Describe the background and history of Enhanced Interior Gateway Routing Protocol (EIGRP), examine the basic EIGRP configuration commands and identify their purposes, calculate the composite metric used by EIGRP, describe the concepts and operation of DUAL, describe the uses of additional configuration commands in EIGRP.

110p youcanletgo_01 04-01-2016 58 6   Download

Upon completion of this lesson, the successful participant will be able to: Describe the basic features & concepts of link-state routing protocols, list the benefits and requirements of link-state routing protocols.

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This chapter describe the primary functions and features of a router, explain how routers use information in data packets to make forwarding decisions in a small to medium-sized business network, explain the encapsulation and de-encapsulation process used by routers when switching packets between interfaces,...

54p youcanletgo_01 29-12-2015 42 3   Download

This chapter describe the features and operation of EIGRP, examine the different EIGRP packet formats, calculate the composite metric used by DUAL, describe the concepts and operation of DUAL, examine the commands to configure and verify basic EIGRP operations for IPv4 and IPv6.

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Chapter 1 introduce to Routing and Packet Forwarding. This chapter identify a router as a computer with an OS and hard ware designed for the routing process. Demonstrate the ability to configure devices and apply addresses. Describe the structure of a routing table. Describe how a router determines a path and switches packets.

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After studying this chapter you will be able to: Define the general role a router plays in networks, describe the directly connected networks, different router interfaces, examine directly connected networks in the routing table and use the CDP protocol,...

42p youcanletgo_01 30-12-2015 38 4   Download

In this chapter, you learned to: Describe the role of dynamic routing protocols and place these protocols in the context of modern network design, identify several ways to classify routing protocols, describe how metrics are used by routing protocols and identify the metric types used by dynamic routing protocols,...

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In this chapter: Identify the characteristics of distance vector routing protocols, describe the network discovery process of distance vector routing protocols using Routing Information Protocol (RIP), describe the processes to maintain accurate routing tables used by distance vector routing protocols,...

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This chapter help students: Describe the functions, characteristics, and operation of the RIPv1 protocol, configure a device for using RIPv1, verify proper RIPv1 operation, describe how RIPv1 performs automatic summarization,...

29p youcanletgo_01 30-12-2015 70 2   Download

Chapter 6 introduce VLSM and CIDR. This chapter compare and contrast classful and classless IP addressing, review VLSM and explain the benefits of classless IP addressing, describe the role of the Classless Inter-Domain Routing (CIDR) standard in making efficient use of scarce IPv4 addresses.

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After studying this chapter you will be able to: Describe the various route types found in the routing table structure, describe the routing table lookup process, describe routing behavior in routed networks.

39p youcanletgo_01 30-12-2015 64 4   Download

In this chapter, you learned to: Encounter and describe the limitations of RIPv1’s limitations, apply the basic Routing Information Protocol Version 2 (RIPv2) configuration commands and evaluate RIPv2 classless routing updates, analyze router output to see RIPv2 support for VLSM and CIDR,...

27p youcanletgo_01 30-12-2015 58 3   Download

Chapter 9 describe the background and history of Enhanced Interior Gateway Routing Protocol (EIGRP), examine the basic EIGRP configuration commands and identify their purposes, calculate the composite metric used by EIGRP, describe the concepts and operation of DUAL, describe the uses of additional configuration commands in EIGRP.

65p youcanletgo_01 30-12-2015 65 3   Download

Chapter 11 introduce OSPF. This chapter describe the background and basic features of OSPF; identify and apply the basic OSPF configuration commands; describe, modify and calculate the metric used by OSPF; describe the Designated Router/Backup Designated Router (DR/BDR) election process in multiaccess networks; describe the uses of additional configuration commands in OSPF.

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After studying this chapter you will be able to: Describe the basic features & concepts of link-state routing protocols, list the benefits and requirements of link-state routing protocols.

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Dynamic routing protocols have evolved over several years
As networks have evolved and become more complex, new routing protocols have emerged.
Most institutions have migrated to new protocols, others are still in use.
The first version of RIP was released in 1982, but some of the basic algorithms within the protocol were used on the ARPANET as early as 1969.

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Enhanced Interior Gateway Routing Protocol (EIGRP)  Distance vector.  Classless routing protocol.
Released in 1992 with Cisco IOS Software Release 9.21.
Enhancement of Cisco Interior Gateway Routing Protocol (IGRP).
Both are Cisco proprietary.  Operate only on Cisco routers.The term hybrid routing protocol is sometimes used to define EIGRP.  Misleading, not a hybrid between distance vector and link-state  Solely a distance vector routing protocol.

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The structure of the routing table might seem obvious.
Help you verify and troubleshoot routing issues because you will understand the routing table lookup process.
You will know exactly what the Cisco IOS software does when it searches for a route.Notice that R3 also has a 172.16.4.0/24 subnet that is disconnected, or discontiguous, from the 172.16.0.0 network that R1 and R2 share.
The effects of this discontiguous subnet are examined later in this chapter when you look at the route lookup process....

87p vanmanh1008 21-05-2013 70 5   Download