Advertised distance cost between next hop and a destnation. To configure eigrp only on interface fa00, the network 10. Configuration setting is made with the variance commands and maximum path in the eigrp for ipv6 configuration mode. Eigrp enhanced interior gateway routing protocol is an advanced distance vector routing protocol. Here are all the ccnplevel commands youll need, in one handy resource. Eigrp configuration with example stepbystep icnd2 200105. In this activity, you will implement basic eigrp configurations including network commands, passive interfaces and disabling automatic summarization. Eigrp and troubleshooting routing protocols 69 ip routing protocols eigrp appletalk routing protocol ipx routing protocols ip. And lets ensure that hq has the ability to route to the 10. One of the biggest advantages that eigrp has over other highly scalable routing protocols is that its configuration is rather simple. To view a specific route within the ip routing table. To remove the address family from the eigrp configuration, use the. Eigrp exchange messages for communication between the routers operating eigrp.
The configuration of eigrp authentication to use that keychain and key. Configure eigrp message authentication the configuration of eigrp message authentication consists of two steps. Eigrp uses diffusing update algorithm dual to determine the best path among all feasible paths. Lets take a look to figure below and configure this topology via eigrp step by step. If this process is not familiar, then read more about rip configuration. Enhanced interior gateway routing protocol eigrp is a powerful distance vector routing protocol and is relatively easy to configure for basic networks. Comparison of rip, ospf and eigrp routing protocols based. Step by step eigrp configuration example networkel. Eigrp loopfree alternate lfa fast reroute frr is a feature that allows eigrp to switch to a backup path in less than 50 ms. First, you need to start eigrp with the ipv6 router eigrp command. Home downloads download cisco ccnp routing pdf study guide. Path first spf algorithm which is used to calculate the shortest path to each node. Connect to router01 console and use the following ios commands to configure enhanced interior gateway routing protocol eigrp in router01.
You can use these commands to perform additional summarization. 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. 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. The configuration of eigrp is similar to other routing protocols. The ccnp certification is the second most common cisco certification covering mastery of more advanced routing and switching topics, now including security and wireless. Use the router eigrp command in global configuration mode to enable eigrp on the r1 router. You will then verify your eigrp configuration using a variety of show commands and testing endtoend connectivity. This command provides us with information on eigrp timers, eigrp metrics and summarization. Eigrp configuration and troubleshooting commands sysnet notes.
The number you see is the autonomous system number and it. This type of configurational method is used when we want to inject all routes in eigrp autonomous system to rip database and show up as a regular rip route, and not. Verifying eigrp troubleshooting eigrp ccna routing and. Basic cisco commands by marcus nielson 2014 configuring basic switch settings switch examples enter enable if the prompt has changed back to switch. There are several additional configuration available for the eigrp for ipv6. Sep 04, 2016 eigrp is an advanced distance vector routing protocol. Below output shows the adjacency states and the elected drbdr for the above topology. Ccnp routing and switching portable command guide cisco.
How to configure eigrp in cisco packet tracer youtube. Eigrp enhanced interior gateway routing protocol is ciscos proprietary routing protocol based on diffusing update algorithm. The ccnp routing and switching portable command guide is filled with valuable, easytoaccess information, and its portable enough to use whether youre in the server room or the equipment closet. Eigrp enhanced interior gateway routing protocol eigrp is a ciscoproprietary hybrid routing protocol, incorporating features of both distancevector and linkstate routing protocols. However, configuring the hold timer manually is done in seconds. To reenable the eigrp nsf from a disabled state, use the no form of this command.
Eigrp can call on rtp to provide reliable or unreliable service as the situation warrants. Eigrp is a very popular routing protocol selection for those. Eigrp is a classless protocol wearing classful mask. Copy the running configuration to the startup configuration. To configure a router id for an enhanced interior gateway routing protocol eigrp process, use the routerid command in the appropriate configuration mode. Essential cisco ios commands internetwork training. To cause the software to use the default method of determining the router id, use the no form of this command. This tutorial explains how to configure eigrp routing protocol in cisco routers step by step with practical example in packet tracer. To disable eigrp, use the no router eigrp 165535 command. Troubleshooting eigrp neighbor relationships troubleshoo. Eigrp, ex eigrp external, o ospf, ia ospf inter area. Ccnp routing and switching portable command guide, 2e.
We want to enable eigrp only on the subnet connected to the interface fa00. Enhanced interior gateway routing protocol eigrp configuration in router01. You can verify that routers have become neighbors by using the show ip eigrp neighbors command on either router. To include this configuration for a device, enter the requested variable values when you attach a device template to a device, or create a template variables spreadsheet to apply the variables. The network depicted above consists of only two routers. This command uses the network id of the subnet and a wildcard mask to identify the network range. We will use same commands to assign ip addresses on interfaces. This section includes ios commands that are absolutely identical on both routers and switches, except the part of. Create one loopback interface in both routers and configure ip address. This command is executed in eigrp configuration mode to statically specify an eigrp neighbor. This protocol is an evolution of an earlier cisco protocol called igrp, which is now considered obsolete. Eigrp cheat sheet successor primary route to a destination.
This portable command guide assists network administrators in the proper use of the cisco ios and of the commands needed to pass the latest individual ccnp certification exams, in a thin, easytocarry format. In order to become neighbors, all routers must be configured with the same as number. This article takes a look at the configuration of the enhanced interior gateway routing protocol eigrp. To leave addressfamily configuration mode without removing the address family configuration. 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. An autonomous system is simply a group of eigrpenabled routers that should become eigrp neighbors and exchange routes. Troubleshooting commands when problems arise on cisco devices, there are a number of show commands you can use to help identify what the problem is. Eigrp command reference november 2010 usage guidelines the addressfamily eigrp command is used to configure ipv4 or ipv6 addressfamily sessions under eigrp. Eigrp adheres to the following hybrid characteristics. Protocol select the protocols from which to redistribute routes into eigrp, for all eigrp sessions. With this eigrp config, we will see important eigrp commands on cisco packet tracer.
Enhanced interior gateway routing protocol eigrp is an advanced dynamic routing protocol that is used for routing decisions and configuration on the routers. Eigrp supports classless routing and vlsm, route summarization, incremental updates, load balacing and many other useful features. Eigrp has the fastest router convergence among the three protocols we are testing. Please refer the beginning of this lesson to view the enhanced interior gateway routing protocol eigrp configuration ios command. Fast reroute means we switch to another next hop, loopfree alternate is an alternative path in the network that is loop free. With rtp, eigrp can simultaneously multicast and unicast to different peers, which allows for maximum efficiency.
Depending on the model and cisco ios version, the commands available and output produced might vary from what is shown in the labs. Eigrp configuration and troubleshooting commands sysnet. Each router has a directly connected subnet that needs to be advertised through eigrp. Configure r3 to redistribute eigrp routes into ospf using the cost of 50000 then redistribute ospf routes into eigrp using a t1 bandwidth and 20,000 microsecond delay. Basic router configuration routing protocols and concepts.
At the end of this article we will include most commonly used eigrp commands with descriptions. Specify vrf name if you want eigrp to work within the specified vrf. Eigrp configuration is really awesome and not so hard if you compare with ospf or etc. On r1, issue the show ip eigrp neighbors command to verify that the adjacency has. After overview of eigrp, it is time to take a look at eigrp configuration. Named eigrp configuration modes 34 verifying eigrp and eigrpv6 35 troubleshooting eigrp 37 configuration example. The first step is to gain access to the cisco device and access global configuration mode.
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. Configuring mutual eigrp and rip redistribution free. Lets setup eigrp on our branch router and our hq router. The above command allows us to change the hello timer to 7 seconds for.
Now see the benefits of using this type of routing configuration. Refer to the router interface summary table at the end of this lab for the. Ccnp routing and switching portable command guide cisco press. Eigrp timers do not have to match for two routers to form an adjacency. How to configure enhanced interior gateway routing protocol. This section illustrates the steps to configure eigrp message authentication on the dallas router and then the. Configure the network above with eigrp using autonomous system number 90. The command eigrp logneighborchange is configured under router. Configuring a dynamic routing protocol eigrp for connecting different networks. Eigrp must be enabled before carrying out any of the eigrp commands. How to configure enhanced interior gateway routing. This article is mainly concentrated on configuration of rip and eigrp together to get the above mentioned benefits.
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 was designed by cisco system as a proprietary protocol which is available only on cisco routers. In this lab, you will configure eigrp for the topology and networks shown above. Eigrp is an advanced distance vector routing protocol. Nov 04, 2019 to disable enhanced interior gateway routing protocol eigrp nonstop forwarding nsf, use the nsf disable command in appropriate configuration mode. Sep 23, 20 continuing our cisco commands cheat sheet for ccna students, this is our 3rd post.
Its time for the exciting part of our enhanced interior gateway routing protocol, or eigrp, discussion, configuration. Cisco ios router configuration commands cheat sheet pdf. The eigrp ipv6 as well as eigrpv4 use the same configuration and concept commands for the unequal and equal cost load balancing. Basic cisco router eigrp configuration pluralsight. Eigrp commands addressfamily eigrp ire5 cisco ios ip routing. The book provides an overview of essential concepts, terminology, and eigrp mechanisms, in addition to a look at the most important configuration options. Eigrp enhanced interior gateway routing protocol, is a cisco proprietary hybrid routing protocol. In order to become eigrp neighbors, routers must be configured with the same as number. In this example, we will configure eigrp on packet tracer. To enable the logging of enhanced interior gateway routing protocol eigrp neighbor warning. The big brother of the show ip eigrp neighbor command.
An autonomous system is simply a group of eigrp enabled routers that should become eigrp neighbors and exchange routes. Eigrp general hybrid rputing protocol uses dual algorithm protocol independant classless routing protocol. For configuring ospf and advertising networks use the same commands mentioned in exercise 1. In the earlier cisco ios software releases, configuration to enable this feature is required. 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. In this part we will learn how to configure eigrp routing protocol properly. This command is executed in eigrp router configuration mode to specify which interfaces participate in the eigrp routing process.
Continuing our cisco commands cheat sheet for ccna students, this is our 3rd post. Unless we configure it properly it acts like classful protocol. May 07, 2016 configuring a dynamic routing protocol eigrp for connecting different networks. Once you are in the router eigrp configuration sub. Eigrp configuration router eigrp 165535 vrf name the router eigrp command is necessary to enable eigrp.
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