Eigrp is intended to be a scalable, highperformance, highfeature routing protocol. I also have a full eigrp for the ccna tutorial series for you. Today in this tutorial we learn how to configure a eigrp on a cisco router. The first step is to gain access to the cisco device and access global configuration mode.
Eigrp is a very popular routing protocol selection for those running only cisco equipment on their routing networks. You will then verify your eigrp configuration using a variety of show commands and testing endtoend connectivity. Enhanced interior gateway routing protocol eigrp is an advanced dynamic routing protocol that is used for routing decisions and configuration on the routers. In these lessons we start with the basics of eigrp and end with the most advanced topics. Jan 09, 20 eigrp ospf redistribution sim configuration on gns3 in following topology there are four router, r1, r2 and r3 are running in eigrp as 100. This protocol is cisco proprietary, if you have a network that uses noncisco routers, eigrp. Posted in if your ex boyfriend is dating someone else.
Working with enhanced interior gateway routing protocol. Now, eigrp is an advanced distance vector routing protocolcreated by cisco. After overview of eigrp, it is time to take a look at eigrp configuration. It is a cisco proprietary protocol, so all routers in a network that is running eigrp must be cisco routers but now eigrp is moving towards becoming an open standard protocol. It is the first step in configuring eigrp on a router as done here on r1. Configuration guides, command references, and supplementary resources table 1 lists, in alphabetical order, cisco ios software configuration guides and command references, including brief descriptions of the contents of the documents. Configuring the eigrp route summarization autonomous system configuration 22. Lesson 01 introduction to cisco certified network associate ccna certification. Enhanced interior gateway protocol eigrp inetdaemons it. Three main tables, which are stored in memory, support the eigrp routing protocol. Hi all lets say i enable eigrp on my router with router eigrp 900 network 10. Eigrp is a cisco proprietary routing protocol based on their original interior gateway routing protocol. Eigrp is a classless routing protocol, meaning that it sends the subnet mask of its interfaces in routing updates, which use a complex metric based on bandwidth and delay.
Enter a process id of 1 for the autonomoussystem parameter. In this example, we will configure eigrp on packet tracer. Configure the network above with eigrp using autonomous system number 90. This tutorial explains how to configure eigrp routing protocol in cisco routers step by step with practical example in packet tracer. Eigrp for ip is a concise, complete, and practical guide to understanding and working with eigrp. We will also see how we can change the k values and how to manually calculate the metric using a formula. Use the router eigrp command in global configuration mode to enable eigrp on the r1 router. Jun 30, 2017 eigrp configuration is really awesome and not so hard if you compare with ospf or etc.
If you are a ccna student then i hope you very well know how to configure it and you have configured eigrp in cisco packet tracer so many times. Ccna certification eigrp configuration lab simulation. Eigrp was designed to be interoperable with standard igrp. All routers should be running an eigrp as number of 12. The original protocol was built to overcome issues in routing information protocol rip. Eigrp enhanced interior gateway routing protocol, is a cisco proprietary hybrid routing protocol. Enhanced interior gateway routing protocol eigrp dummies. This video tutorial is dedicated to basic eigrp configuration using gns3. In this tutorial well learn and configure about the eigrp in cisco packet tracer. In this activity, you will implement basic eigrp configurations including network commands, passive interfaces and disabling automatic summarization.
Routing protocol configuration 217 eigrp configuration 217 ospf configuration 218 ripv2 configuration 220 high availability 221 common elements in all ha headend designs 221 dual dmvpn cloud topologyhubandspoke deployment model 221 hubandspoke deployment modelsingle tier headend architecture 221. Eigrp is an advanced distance vector routing protocol. Garcialuna aceves of sri international as an improvement to the igrp routing protocol. One of the biggest advantages that eigrp has over other highly scalable routing protocols is that its configuration is rather simple. Eigrp configuration is really awesome and not so hard if you compare with ospf or etc. In addition to the hello timer, eigrp neighbors are stamped with a hold timer. Currently, the eng router does not have connectivity to the isp router. You also will see how to troubleshoot problems with eigrp.
Eigrp ospf redistribution sim configuration on gns3 in following topology there are four router, r1, r2 and r3 are running in eigrp as 100. Enhanced interior gateway routing protocol eigrp authentication is configurable on a perinterface basis. This lab will discuss and demonstrate the configuration and verification of the cisco eigrp dynamic routing protocol. Information about all adjacent routers running eigrp are. Lets take a look to figure below and configure this topology via eigrp step by step. Eigrp enhanced interior gateway routing protocol is ciscos igp interior gateway protocol that was made an open standard in 20.
The two ethernet interfaces have ip addresses coresponding to subnets of 10. Therefore, to connect disparate eigrp sites, you must configure the neighbor command with lisp encapsulation on every ce in the network. Configuring basic eigrp eigrp is an extremely common routing protocol due to its simplicity and ease of configuration. Networkkings it services private limited, chandigarh citi center, vip road, d block 3rd floor, zirakpur, chandigarh. Eigrp is a classless routing protocol, meaning that it. It focuses on eigrp in the context of ip, although the principles learned from this guide can be applied to the other major network protocols that eigrp supports, including ipx and appletalk. How to configure eigrp in cisco packet tracer youtube. The same distance vector technology found in igrp is also used in eigrp, and the underlying distance information remains unchanged. This article is the third in a series of articles covering the basics of cisco networking.
Cisco router configuration tutorial cisco internetwork operating system. Eigrp is referred to as a hybrid routing protocol because it has the characteristics of both distancevector and linkstate protocols but now cisco refers it as an advanced distance vector protocol. Eigrp can only be used on networks where all routers are cisco routers. Eigrp stands for enhanced interior gateway routing protocol.
Eigrp stands for enhanced interior gateway routing protocol and is a routing protocol created by cisco. Eigrp uses diffusing update algorithm dual to determine the best path among all feasible paths. Eigrp supports classless routing, vlsm, route summarization, load balacing and many other useful features. For security purposes, the cisco ios software provides two levels of access to. The router eigrp command entered in global configuration mode with autonomoussystemnumber argument creates an eigrp routing instance.
Enhanced interior gateway routing protocol eigrp or enhanced igrp is a cisco proprietary routing protocol utilizing the diffusing update algorithm dual. In this cisco configuration example, we will focus on eigrp configuration and eigrp basic commands. Here is how we can configure eigrp on both routers. The eigrp hello timer can be adjusted on a per interface basis. Lesson 04 how to connect and access a router or switch using console connection. All other interconnectivity and internet access for the existing. This paper should be used as an informationonly document intended as a technology introduction and does not represent a protocol specification or product description. Sep 18, 2012 in this video you will see how to configure eigrp and explain the processes what are happening on the background. Welcome to website, a free ccna tutorial site that closely follows the cisco ccna curriculum.
Lets look at the other popular modern routing protocolwhich is eigrpor enhanced interior gateway routing protocol. Enhanced interior gateway routing protocol eigrp is a powerful distance vector routing protocol and is relatively easy to configure for basic networks. Here you can find all materials needed to study for your ccna exam. Cisco ios modes of operation the cisco ios software provides access to several different command modes.
If this process is not familiar, then read more about rip configuration. The site was designed to help you pass the ccna exam 200125, but it can also be used as a reference site for anything networking related. Ip routing eigrp configuration guide, cisco ios release 15s. This information is used to discover neighbors and to learn when neighbors become. Connect to router01 console and use the following ios commands to configure enhanced interior gateway routing protocol eigrp in router01. Eigrp configuration on gns3single as this is the simple tutorial for eigrp configuration on gns3. Igrp was still a distance vector routing protocol, but in addition to distance, cisco allowed the protocol to carry more information about the path. Once you are in the router eigrp configuration submode, configure the classful network 172. Enjoy over 2 hours of free, eigrp fundamentals from 3xccie and ccde, andre laurent on the cisco learning network. Todays ccna practice exam is all about eigrp fundamentals, and success on your exam and in realworld networking is all about the fundamentals.
Eigrp supports message digest algorithm 5 md5 authentication to prevent the introduction of unauthorized information from unapproved sources. It is a ciscoproprietary routing protocol for tcpip. In this video we will explore how eigrp calculate the metric and the influence that the k values have on it. Aug 10, 2005 this paper is an introduction to the interior gateway routing protocol igrp suite of routing protocols designed and developed by cisco systems. Basic cisco router eigrp configuration pluralsight. Free cisco certified network associate ccna online. In the past, enhanced interior gateway routing protocol eigrp is a ciscoproprietary routing protocol but from march20 cisco opens up eigrp as an open standard in order to help companies operate in a multivendor environment. A computer network can be described as a system of interconnected devices that can communicate using some common standards called protocols. Eigrp adheres to the following hybrid characteristics. In this article we will mention about the eigrp protocol. The configuration of eigrp is similar to other routing protocols. If you want to explore my blog, scroll until the end of this post to see my latest articles or click on a category to the right for all the topics. Create one loopback interface in both routers and configure ip address. Originally, it was only available on cisco hardware but since a few years, its now an open standard.
Ip subnetting and basic ip concepts eigrp is ciscos proprietary routing protocol. Dynamic multipoint vpn dmvpn design guide version 1. To perform this lab we have used cisco packet tracer software here. Eigrp configuration is pretty straightforward itself as we are going to see first hand in the next couple of pages. This article is all about how easily we can configure egrp on cisco router. Eigrp enhanced interior gateway routing protocol eigrp is a ciscoproprietary hybrid routing protocol, incorporating features of both distancevector and linkstate routing protocols. Now, in the past, it has been a proprietary protocol,only available on cisco. Demonstrate your ability to plan, verify, and troubleshoot enterprise networks by earning the cisco ccnp routing and switching certification.
Instructor so, we finished up ospf,a highly scalable, industry standarddynamic routing protocol. Some manual configuration changes can also reset eigrp neighbors. How to configure enhanced interior gateway routing protocol. Once this mode has been accessed the prompt should look like figure 1. You will modify bandwidth and configure passive interfaces to allow eigrp to function more efficiently.
This article takes a look at the configuration of the enhanced interior gateway routing protocol eigrp. Eigrp is a classless routing protocol, meaning that it sends the subnet mask of its interfaces in routing updates. If you want to receive cisco tutorials, configuration guides and other networking and security related topics from me, subscribe below to join over 10,000 other professionals that receive my emails. Eigrp is called a hybrid or advanced distance vector protocol and most of the rules that apply to rip also apply here. Because enhanced interior gateway routing protocol eigrp has replaced igrp in all ways, igrp is not covered except to say that, for legacy reasons, you may still see it on some routers. It has several enhancements to scale the enterprise size network. It is a cisco proprietary protocol, so all routers in a. Eigrp can easily support large networks thanks to its large 32 bit metric. How to configure eigrp on cisco routers with example. This routing protocol requires less processing time, less memory, and less network design than compared to ospf. Eigrp was developed by cisco systems as a proprietary protocol, which can be used only on cisco routers but in 20 partial functionality of eigrp was converted to an open standard.
The convergence properties and the operating efficiency of this protocol have improved significantly. Eigrp is a ciscoproprietary hybrid routing protocol, incorporating. Enhanced interior gateway routing protocol eigrp configuration in router01. Each command mode provides a different group of related commands. The cisco ios command references contain commands for cisco ios software for all releases. Here is an example network consisting of two computers connected together. The most useful command for checking neighbor status is show ip eigrp neighbors. As we know eigrp is a dynamic routing protocol and its work only for. Eigrp configuration step by step guide computernetworkingnotes. Enhanced interior gateway routing protocol eigrp is an update to ciscos now obsolete interior gateway routing protocol igrp.
Router mgt is also running static routing to the isp. Why eigrp is called an advanced distance vector or hybrid routing protocol. Basic cisco router eigrp configuration select the contributor at the end of the page this article is the third in a series of articles covering the basics of cisco networking. This article intends to show the basics of how eigrp works and what features it offers. In this video you will see how to configure eigrp and explain the processes what are happening on the background. While r2s s12 is running in ospf area 24, r3s f20 interface is running in ospf area 34. How to configure enhanced interior gateway routing. With this eigrp config, we will see important eigrp commands on cisco packet tracer. How to configure eigrp filtering with prefixlists, distributelists and routemaps. We will use cisco packet tracer for our configuration. In this lab, you will configure eigrp for the topology and networks shown above. Please refer the beginning of this lesson to view the enhanced interior gateway routing protocol eigrp configuration ios command. Mar 26, 2017 enhanced interior gateway routing protocol eigrp is an advanced dynamic routing protocol that is used for routing decisions and configuration on the routers. The routers used with ccna handson labs are cisco 1941 integrated services routers isrs with.
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