Sep 25, 20 eigrp configuration example this video will walk you through a basic eigrp configuration. Eigrp sample ccna lab to enable eigrp on a router you use its router command router eigrp. Ccna lab manual router infotech, confidential document only for internal circulation page 3 procedure. So, if a network running two routing protocols at the same time, for example eigrp and ospf, which routing protocol will the router choose. Auto and manual summary routes to null0 with eigrp october 21st, 2012 in basic labs go to comments in this small lab we are going to see and learn about the null0 when a summarized route is created. Eigrp has been around for some time on cisco equipment and for the most part is only supported on cisco devices. Eigrp 99 chapter 4 switching concepts 103 chapter 5 switches 105 chapter 6 switch configuration 107 help commands 107 command modes 107 verifying commands 108. Each router has a directly connected subnet that needs to be. The cisco ios and ios xe show ip route eigrp and cisco ios xr show route eigrp commands display the current eigrp entries in the routing table. Planning eigrp routing implementations eigrp deployment prerequisites eigrp implementation eigrp verification eigrp documentation lesson 3. Pdf improvement of eigrp protocol routing algorithm with the.
Rfc 7868 ciscos enhanced interior gateway routing protocol. How much do you know about this particular protocol. For network protocol manager for eigrp, the domain is the enhanced interior gateway routing protocol eigrp network, that is, an eigrp distributed application that is running in an ip network. Administrative distance 90 internal, when routers are connected in the same autonomous system, 170 external, when routers are connected in different autonomous system. Vmware smart assurance network protocol manager for eigrp. This group of commands either enables or disables eigrp interfaces between certain numbers of a specified network address. In order to become an eigrp neighbor, three essential configuration values must be matched. The no network command will disable eigrp for the specified network. Enhanced interior gateway routing protocol eigrp is a powerful distance vector routing protocol and is relatively easy to configure for basic networks. Since we have only one path to router 1 in this example, the sh eigrp topology 25 command only shows the successor route. It is an enhanced distance vector protocol that relies on the diffused update algorithm dual to calculate the shortest path to a destination within a network. Enable eigrp routing and advertise the directly connected networks on r2 and r3. Eigrp uses diffusing update algorithm dual to choose the best path from the source to the destination.
Ipv6 eigrp configuration example stepbystep icnd2 200105. It can also advanced route engineering based on route summaries and longest match. To give all the flexibility of routing protocols, enhanced interior gateway routing protocol eigrp is designed by cisco. Your software release may not support all the features documented in this. Eigrp enhanced interior gateway routing protocol eigrp is a ciscoproprietary hybrid routing protocol, incorporating features of both distancevector and linkstate routing protocols. The goal is to provide one example of troubleshooting the enhanced interior gateway routing protocol eigrp particularly, how easily overlooked requirements for eigrp.
This document addresses configuration, verification, and troubleshooting of the. To summarize, the path we followed to find the correct documentation for our example is. Rip and eigrp configuration on same network submitted by satish tiwary on wed, 071020 10. This document describes how to configure enhanced interior gateway routing protocol eigrp for ipv6.
Each domain manager is autonomous in the sense that it. Eigrp chapter description the excerpt from the ccna routing and switching portable command guide summarizes all ccna certificationlevel cisco ios software commands, keywords, command arguments, and associated prompts for topics related to the enhanced interior gateway routing protocol eigrp. This document illustrates how to add message authentication to your enhanced interior gateway routing protocol eigrp routers and protect. Pdf developing computer network based on eigrp performance. Eigrp has protocol dependent modules that can deal with appletalk and ipx as well as ip. Eigrp is responsible for parsing eigrp packets and informing dual of the new information. Fast reroute means we switch to another next hop, loopfree alternate is an alternative path in the network that is loop free. Implementing eigrp route manipulations created by mark. What is the enhanced interior gateway routing protocol eigrp. More practice if you would like more practice activities, combine your lab manual with the new ccna routing and switching practice and study guide isbn. The manual can be viewed online, navigated using the links at left, or optionally downloaded in part or entirely as a pdf file. Dec 11, 2017 the enhanced interior gateway routing protocol eigrp is no doubt one of the best routing protocols that you can configure on your network. It is meant to be used within this program of study.
Pdf one of the computer network systems technologies that are growing. Older ios routers had autosummarization enabled by default before 12. Enable the eigrp protocol on both routers so that hosts on the both routers can. Eigrp is an enhanced version of the igrp developed by cisco. Eigrp module is responsible for sending and receiving eigrp packets that are encapsulated in ip. It is an enhanced distance vector protocol that relies on the diffused update algorithm dual to calculate the shortest path to. Eigrp is a cisco proprietary routing protocol loosely based on their original igrp interior routing protocol. The network depicted above consists of only two routers. Design and implementation of a costeffective and secured. This tutorial explains how to configure eigrp routing protocol in cisco routers step by step with practical example in packet tracer. Apart from its support for vlsm, eigrp supports route authentication and manual summarization, making it one of the fastest internal routing protocols out there. In this lab, you will configure eigrp for the topology and networks shown above.
Mar 26, 2017 understanding basics of eigrp routing protocol features of eigrp. For example configuring eigrp may apply a complex configuration creating a local and a wide area network topology enabling you to get a deeper understand of how the protocol works. Contents introduction prerequisites requirements components used network diagram conventions background information configure eigrp message authentication create a keychain on dallas configure authentication. This takes us to the manual specific to eigrp configuration on ios 12. With eigrp for ipv6, a router id is required on each router or the routing process does not start. This document describes how to create a preferred route by influencing enhanced interior gateway routing protocol eigrp metrics. Jun, 2012 eigrp for ipv6 configuration example the basic configuration of eigrp for ipv6 is not overly complex, but it often helps to see a working configuration. This example aims at router k for the destination only. Basic operation and configuration the addisonwesley networking basics series retana, alvaro, white, russ, slice, don on.
White linkedin may 2016 ciscos enhanced interior gateway routing protocol eigrp abstract this document describes the protocol design and architecture for enhanced interior gateway routing protocol eigrp. It is also responsible for parsing eigrp packets and informing dual about the new information received. Basic cisco router eigrp configuration pluralsight. Here an example when you are redistributing eigrp into ospf, something similar should be when you are redistributing ospf into eigrp. As with autosummarization, the router performing manual summarization will add the. Eigrp is an advanced distancevector routing protocol, it can only use it in an allcisco network, but eigrp more than makes up for this. This document is exclusive property of cisco systems, inc. Notice that the q count column is 0 and that the srtt and rto have valid values now. Ip routing eigrp configuration guide, cisco ios release 12. If several match commands are present in a clause, all must succeed for a given route in order for that route to match the clause in other words. This chapter covers the following eigrp troubleshooting. Examples of parameters that you might apply globally to a group of devices are dns server, syslog server, and interface mtus.
Eigrp route summarizationautonomous system configuration. Eigrp requires an autonomous system number because that is how it determines what routers belong to the same eigrp routing domain. In this modeling activity scenario, you will be creating, addressing and configuring a topology, using verification commands, and comparingcontrasting rip and eigrp routing protocol outputs. The advantage with this is that only one routing process needs to be run instead of a routing process for each. Project documentation mef submission composition guide. Eigrp will form neighbors even though hello time and hold time dont match eigrp sources hello packets from primary address of the interface eigrp will not form neighbor if kvalues are mismatched eigrp will not form neighbor if as numbers are mismatched.
Nov 29, 2018 today well be testing your knowledge acquired for your ccna certification so far, but with a distinct focus on the enhanced interior gateway protocol eigrp an advanced routing protocol used on networks to automate routing decisions and configurations. Singlearea ospf 92 chapter 3 eigrp 97 configuring eigrp 97 eigrp auto summarization 98 verifying eigrp 98 troubleshooting eigrp 99 configuration example. This is the only ciscoauthorized companion guide to the official cisco networking academy routing protocols course for the new ccna routing and switching curriculum. Permission is granted to print and copy this document for noncommercial distribution and exclusive use by instructors in the ccnp. An indispensable resource for hundreds of thousands of cisco networking academy students worldwide, this portable desk reference is ideal for anytimeanywhere takehome study and reference. For example, look at a link whose bandwidth to a particular destination is 128 k and the delay is 84,000 microseconds. It has a userfriendly and flexible graphical user interface that allows users to configure all relevant aspects of the network and the protocol. Setting a preferred route by influencing eigrp metrics. Cisco lab hardware practice labs for cisco 1 cisco 2911 isr router with voice and sec license 2 hwic2t 1. Both are owned by cisco and operate only on their devices. Today well be testing your knowledge acquired for your ccna certification so far, but with a distinct focus on the enhanced interior gateway protocol eigrp an advanced routing protocol used on networks to automate routing decisions and configurations.
My question is about the possibility of summarizing these two subnets on router 2 if there is a static route showing where these subnets exists. Eigrp loopfree alternate lfa fast reroute frr is a feature that allows eigrp to switch to a backup path in less than 50 ms. Eigrp adheres to the following hybrid characteristics. Implementing eigrp with vlsm and manual summarization. Eigrp for ipv6 is configured directly on the router interfaces. Eigrp message authentication configuration example document id. Where we really see the major difference is in regards to the configuration.
As an example, detecting a link cost change, receiving any eigrp message from a. Eigrp uses composite metric calculation formula to calculate the best path. See the bgp neighbor configuration examples section at the end of this chapter for an example of configuring bgp neighbors. Eigrp network statement best practices so i read today that it is cisco best practice to match an exact ip for an interface when using the network command. Dec 20, 2016 enhanced interior gateway routing protocol eigrp is an advanced distance vector routing protocol based on the principles of the interior gateway routing protocol igrp. Basic configuration click the basic configuration tab to configure the local autonomous system as number for the template. Since ios 15, eigrp has a new method of configuration called named mode eigrp. For the purpose of this example, we want cisco ios ip routing. Configuring eigrp route summarization eigrp route summarization is used to conserve resources and clean up the routing table. Introduction this document describes the enhanced interior gateway routing protocol eigrp, a routing protocol designed and developed by cisco systems, inc. The graphic on this page depicts one example of a topology like this. Well, the answer is eigrp as it has lower administrative distance than ospf 90 eigrp it also advertises static routes. There is no such thing as a cisco documentation cd anymore but thats what most people still call it.
The enhanced interior gateway routing protocol eigrp is an enhanced version of the interior gateway routing protocol igrp developed by cisco. Abstract this document describes the protocol design and architecture for. Eigrp configuration example this video will walk you through a basic eigrp configuration. Eigrp uses diffusing update algorithm dual to determine the best path among all feasible paths. With the classic version of eigrp that we used before ios 15 we configured eigrp globally and some other things like authentication on the interfaces. Apr 17, 2014 easy eigrp is an implementation of the enhanced interior gateway routing protocol developed in java. I have read in cisco documentation that eigrp will not autosummarize external routes unless there is a component of the same major network that is an internal route. Configuring eigrp route summarization free ccna workbook. This part explains these values with neighborship building process in detail with example. Ciscos enhanced interior gateway routing protocol eigrp.
Eigrp message authentication configuration example cisco. How to use cisco documentation for ccie when you are studying for ccie you will have to become familiar with the so called doc cd. This is an advantage and a disadvantage depending on what side of the debate you are on. Pdf in this paper its proposed to use the parameter of information security risk in. Basic eigrp configuration lab all contents are copyright 19922007 cisco systems, inc.
To enable eigrp on a router you use its router command router eigrp. For example in my lab i issued the following commands. Eigrp route summarizationautonomous system configuration 45. Eigrp is a successor to the interior gateway routing protocol igrp. Given the topology shown in the network diagram, this document describes several ways to influence ip traffic from the clients to. This is a regular expression solution where the target is not always regular. For example a router with an eigrp as of 1 and another with an as of 150 will not form adjacency they will simply ignore each other. Dual, the algorithm used to converge the control plane to a single set of loopfree paths is based on research conducted at sri international. Eigrp is an exceptional option as it mixes a number of the major advantages of other routing. Router c backup to reach router as routes and fourth option to reach router bs subnets from ospf. Cisco ios xr complete getting started examples guide, part12.
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