Today in this tutorial we learn how to configure a eigrp on a cisco router. Once you hit enter, eigrp begins sending out eigrp hello packets out any interfaces that match that network statement. First i configure eigrp on r1 on just one interface linked to r2. These are the commands which are used to configure the ipv6. In this example, we will configure eigrp on packet tracer. To locate documentation of other commands that appear in this chapter, use the command. Ccnp routing and switching portable command guide, 2e. This command is executed in eigrp router configuration mode to specify which interfaces participate in the eigrp routing process. In your life as a network engineer, youll find a lot of networks implementing it.
The configuration of eigrp is similar to other routing protocols. Most cisco documents state that networks and interfaces are added to the eigrp routing process in nxos using the interface configuration mode. Now, youve seen it done already,but were gonna get into more of the options,and the the different ways you can configure eigrp. Enhanced interior gateway routing protocol eigrp is one of the most popular internal routing protocols used on medium to large businesses and education networks today. 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. This tutorial explains how to configure eigrp routing protocol in cisco routers step by step with practical example in packet tracer. For a complete description of the eigrp commands listed in this chapter, refer to the eigrp commands chapter of the network protocols command reference, part 1. We will do some of the key configurations on eigrp that will help you to do a better eigrp. This command provides us with information on eigrp timers, eigrp metrics and summarization. But if we check the configuration with the show runningconfig command we will notice that eigrp has autosummarized our network. Routing protocols enhanced igrp eigrp characteristics. Gateway routing protocol eigrp commands, use the afinterfacecommand in. Enhanced interior gateway routing protocol is still a valid alternative to ospf.
Configuring eigrp static neighbors free ccna workbook. Basic cisco router eigrp configuration pluralsight. Introduction to eigrpenhanced interior gateway routing protocol. Each router has a directly connected subnet that needs to be advertised through eigrp. Essential cisco ios commands internetwork training. It is useful to have multiple keys on a key chain so that the software can sequence through the keys as they become invalid after time, based on the acceptlifetime and sendlifetime key chain key command settings. Eigrp is a very popular routing protocol selection for those. This command uses the network id of the subnet and a wildcard mask to identify the network range. Jul 20, 2016 the abc company network administrator has issued the eigrp stub command on router pg8. To view a specific route within the ip routing table. To enable a dynamic routing protocol, enter global configuration mode and use the router command. This means eigrp will send hello packets out any interfaces that fall within 172. Eigrp routers will start sending hello packets to other routers just like ospf does, if you send hello packets and you receive them you will become neighbors. Cisco eigrp cli commands and configuration examples.
After overview of eigrp, it is time to take a look at eigrp configuration. Routing command reference for cisco ncs 6000 series routers. However, configuring the hold timer manually is done in seconds. Refer to the router interface summary table at the end of this lab for the. Sep 23, 20 continuing our cisco commands cheat sheet for ccna students, this is our 3rd post. Eigrp and troubleshooting routing protocols 69 ip routing protocols eigrp appletalk routing protocol ipx routing protocols ip. This chapter describes how to configure enhanced interior gateway routing protocol e igrp.
Show ip route allows us to check out our routing table. Eigrpv4 also uses the same commands in eigrpv4 router configuration mode, reached with the router eigrp command. Eigrp configuration is really awesome and not so hard if you compare with ospf or etc. Use the router eigrp command in global configuration mode to enable eigrp on the r1 router. Eigrp is an enhanced dynamic routing protocol that provide many methods for a good routing protocol implementation. You can use these commands to perform additional summarization. Whenever eigrp resets its neighbor relationship, it is noted in the log with the reason for the reset. So i do a show ip route command and i will see my connected routes, my local routes, which is just ip addresses on the chassis, but then, i am looking for eigrp, i am looking for my eigrp routes. In this activity, you will implement basic eigrp configurations including network commands, passive interfaces and disabling automatic summarization. For eigrp configuration information and examples, refer to the cisco ios ip. Step by step eigrp configuration example networkel. How to configure eigrp in cisco packet tracer youtube.
Download this cisco router configuration commands cheat sheet in pdf format at the end of this post herethe most important cli commands are included that will help you in the field. Troubleshooting eigrp cisco icnd2 foundation learning guide. So, some important commands with configuring eigrp and not only is it important to remember the configuration commands but the show commands as well. Eigrp enhanced interior gateway routing protocol, is a cisco proprietary hybrid routing protocol. Eigrp configuration and troubleshooting commands sysnet. This chapter covers the following eigrp troubleshooting. One of the biggest advantages that eigrp has over other highly scalable routing protocols is that its configuration is rather simple. This mode takes all the interface specific commands that were previously configured on an actual interface logical or physical and moves them into the eigrp configuration. Create a vpn feature template to configure vpn parameters for serviceside routing any vpn other than vpn 0 or vpn 512. Cisco ios router configuration commands cheat sheet pdf. You can verify that routers have become neighbors by using the show ip eigrp neighbors command on either router. Eigrp basics eigrp was developed as a hybrid distance vector routing protocol that uses many of the same composite metrics as the interior gateway routing protocol igrp. There is slight difference between configuring eigrp authentication on cisco router for ipv4 and ipv6, only command syntax changed under interface level.
This behavior of eigrp can be changed to support discontigous networks by using the no autosummary command in the global configuration mode. The afinterface default command is useful for defining user defaults to apply to eigrp interfaces that belong to an addressfamily when eigrp is configured using the named method. The followings commands disable auto summary on all routers in our network. This is enhancement request to add option on the fmc under the device device management routing to configure eigrp the same way as bgp, rip, ospf and static routing for the ftd. Routes with equal feasible distance are installed by default in the. Alternate way for configuring eigrp on nxos netcraftsmen.
Cisco router configuration commands lists how to enable and disable interfaces, add ip addresses to interfaces, enable rip or igrp and set passwords. Eigrp command reference july 2010 addressfamily eigrp to enter addressfamily configuration mode to configure an enhanced interior gateway routing protocol. If this process is not familiar, then read more about rip configuration. Cisco ios ip configuration guide configuring bgp this chapter describes how to configure border gateway protocol bgp. Create an eigrp feature template to configure eigrp parameters, as described in this article.
Eigrp is called a hybrid or advanced distance vector protocol and most of the rules that apply to rip also apply here. Eigrp can call on rtp to provide reliable or unreliable service as the situation warrants. Since ios 15, eigrp has a new method of configuration called named mode eigrp. There are three configuration modes in named eigrp addressfamily. If you have read the previous article, youll know all the basics of eigrp. Hi everybody, im confused about ip summaryaddress eigrp command when it use on specific interface, when we need to use it and what is the difference between it and between manual summerization for network ex.
This article takes a look at the configuration of the enhanced interior gateway routing protocol eigrp. To configure eigrp only on interface fa00, the network 10. Enter a process id of 1 for the autonomoussystem parameter. This section includes ios commands that are absolutely identical on both routers and switches, except the part of. Eigrp is an advanced distance vector routing protocol. And lets ensure that hq has the ability to route to the 10. Answer these eigrp configurations flashcards proprofs. Jun 30, 2017 eigrp configuration is really awesome and not so hard if you compare with ospf or etc.
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. We will use same commands to assign ip addresses on interfaces. For a complete description of the bgp commands in this chapter, refe r to the bgp commands chapter of the cisco ios ip command reference, volume 2 of 3. The following commands configure eigrp on one router in a simple network. Hellos sent once every 60 seconds on the following links. Again if you forget it, its right at the top it will tell you what d means. With rtp, eigrp can simultaneously multicast and unicast to different peers, which allows for maximum efficiency. Alright lets take a look first at what that one is. Change the eigrp configuration on all routers so load and reliability are also used as metrics. So lets go ahead and open the first router,which is labeled router 0. May 29, 2014 cisco public objectives describe the background and history of enhanced interior gateway routing protocol eigrp.
The cisco nxosios eigrp comparison page states this, so do the configuring eigrp pages in the cisco nexus 7000 series nxos unicast routing configuration guide, release 5. Eigrp commands addressfamily eigrp ire4 cisco ios ip routing. Copy the running configuration to the startup configuration. Named eigrp configuration modes 34 verifying eigrp and eigrpv6 35 troubleshooting eigrp 37 configuration example. Cisco router show commands handy show commands to check on the status of interfaces.
The change is to simplify the configuration into one spot, which is under the router eigrp process instead of having some eigrp configuration under each interface. Study answer these eigrp configurations flashcards flashcards at proprofs this is a set of show and debug commands. Configure r3 to redistribute eigrp routes into rip using a hop count of 3 then redistribute rip routes into eigrp using a t1 bandwidth and 20,000 microsecond delay. 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. Depending on the model and cisco ios version, the commands available and output produced might vary from what is shown in the labs.
You also will see how to troubleshoot problems with eigrp. In this lesson, we will focus on some of the key methods of eigrp and we will learn these key methods with many eigrp config examples. Describe the uses of additional configuration commands in eigrp. You will then verify your eigrp configuration using a variety of show commands and testing endtoend connectivity. Once you are in the router eigrp configuration submode, configure the classful network 172.
Eigrp was designed by cisco system as a proprietary protocol which is available only on cisco routers. Apr 02, 2020 study answer these eigrp configurations flashcards flashcards at proprofs this is a set of show and debug commands. Which means that routerb and routere by default advertise the 10. Eigrp command reference july 2010 addressfamily eigrp to enter addressfamily configuration mode to configure an enhanced interior gateway routing protocol eigrp routing instance, use the addressfamily. Eigrp authentication, bandwidthpercentage, splithorizon, and summaryaddress configuration are some of the options that are now configured here instead of in interface. To configure a router to use eigrp configuration the following commands are used. Performance evaluation of enhanced interior gateway routing arxiv. Eigrp command reference november 2010 afinterface to enter addressfamily interface configuration mode and to configure interfacespecific enhanced interior gateway routing protocol eigrp commands, use the afinterface command in addressfamily configuration mode. Eigrp configuration and troubleshooting for the ccna. The show ip protocols command will also identify passive interfaces. Cisco ios ipv6 command reference ipv6 summaryaddress eigrp. The first step is to gain access to the cisco device and access global configuration mode. Eigrp commands afinterface ire7 cisco ios ip routing. 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.
Eigrp configuration with example stepbystep icnd2 200105. Eigrpv4 and eigrpv6 using named address configuration 37 chapter 3 implementing a scalable multiarea network ospfbased solution 41 ospf message types 42 ospf lsa types 43 configuring ospf 44 using wildcard masks with ospf areas 44. For example, authentication mode is disabled by default, and you can enable md5 authentication for all eigrp interfaces in the addressfamily using addressfamily. Oct 30, 20 only drp agent, enhanced interior gateway routing protocol eigrp, and routing information protocol rip version 2 use key chains. As a fix to this issue you can define a static neighbor in the eigrp routing process which will force eigrp to communicate to that neighbor via unicast similar to rip.
With this eigrp config, we will see important eigrp commands on cisco packet tracer. Isdn bri, frame relay, smds, and so on neighbor declared dead when no eigrp packets are received within hold interval not only hello can reset the hold timer. There are several commands that can be used on a cisco router to enable you to troubleshoot and verify eigrp configuration. The big brother of the show ip eigrp neighbor command. This command is executed in eigrp configuration mode to statically specify an eigrp neighbor. Cisco router basic operations covers getting into and out of different modes. To assist in a basic understanding of eigrp, figure a shows a sample configuration for a threerouter iponly network and table a shows the commands needed to implement it from a cisco router. Next, we need to enable eigrp authentication on an interface. Listed below are some of the ios commands and we use the topology below as an example.
Lets take a look to figure below and configure this topology via eigrp step by step. Its time for the exciting part of our enhanced interior gateway routing protocol, or eigrp, discussion, configuration. May 25, 2017 the change is to simplify the configuration into one spot, which is under the router eigrp process instead of having some eigrp configuration under each interface. 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. What is the purpose of the eigrp stub configuration command. 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. Configure the network above with eigrp using autonomous system number 90. Lets setup eigrp on our branch router and our hq router. Sep 18, 2012 in this video you will see how to configure eigrp and explain the processes what are happening on the background. Please keep in mind that these settings have to be configured separately for eigrpv4 and eigrpv6 on dualstack routers despite the fact that same configuration commands are used. Eigrp timers do not have to match for two routers to form an adjacency. Examine the basic eigrp configuration commands and identify their purposes.
Here is how we can configure eigrp on both routers. Eigrp uses diffusing update algorithm dual to determine the best path among all feasible paths. R1r2 64 kb r2r3 1024 kb r1r3 1544 kb the default int fa00 ip address 172. Eigrp stands for enhanced interior gateway routing protocol and is a routing protocol created by cisco. Originally, it was only available on cisco hardware but since a few years, its now an open standard. And, lets go ahead and take out,already, the eigrp we have in here. Eigrp adheres to the following hybrid characteristics. I also did this lab and just as the first poster stated there is no routerid command. Eigrp support equal and unequal cost load balancing equal cost load balancing is enabled by default. The network depicted above consists of only two routers. To configure eigrp routing protocol using vmanage templates. Eigrp beginner configuration, eigrp stands for enhanced interior gateway routing protocol and is a routing protocol created by cisco. Eigrp enhanced interior gateway routing protocol eigrp is a ciscoproprietary hybrid routing protocol, incorporating features of both distancevector and linkstate routing protocols.
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