Shows the current configuration file stored in dram. Configure ipv6 eigrp on the router, assign the router ip, and enable it, using the following commands. The abovementioned commands are not ultimate commands available for ccna certified network engineer. Eigrp enhanced interior gateway routing protocol is an advanced distance vector routing protocol. Eigrp troubleshooting sim question the topology below is. In this part we will learn how to configure eigrp routing protocol properly. Well, the answer is eigrp as it has lower administrative distance than ospf 90 pdf click here. The network command in eigrp uses a classful network as the parameter by default, which means that all interfaces inside the classful network will participate in the eigrp process. There are a lot of commands which are frequently used in ccna. Whilst not an exhaustive ios command list it covers the majority of commands found in the exam. We can display the content of this table by running the show ip eigrp neighbors command. For example a router with an eigrp as of 1 and another with an.
To enable eigrp on a router you use its router command router eigrp. 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 website was founded in late 2009 with the goal of providing free cisco ccna labs that can be completed using the gns3 platform. In this lesson ill walk you through the configuration. Once you are in the router eigrp configuration submode, configure the classful network 172. The ccna routing and switching portable command guide, third edition, is filled with valuable, easytoaccess information and is portable enough for use whether youre in the server room or the equipment closet. Section 19 eigrp section 20 ospf part iv vlans, accesslists, and services section 21 vlans and vtp. Basic cisco commands by marcus nielson 2014 configuring basic switch settings switch examples enter enable if the prompt has changed back to switch. Your company asks you to identify the issues in phase 1 eigrp implementation. Eigrp is one of the routing protocols you need to master if you want to pass the cisco ccna exam. Each router has a directly connected subnet that needs to be advertised through eigrp. Eigrp sample ccna lab to enable eigrp on a router you use its router command router eigrp.
You are implementing eigrp between the main office and branch offices. Configure the name of the other end router and the shared password. This study guide is intended to provide those pursuing the ccna certification with a framework of what concepts need to be studied. He also goes on to explain the process of loadbalancing in eigrp. Eigrp uses diffusing update algorithm dual to determine the best path among all feasible paths. Cisco ios router configuration commands cheat sheet pdf. Eigrp configuration, dual sends a notification message to the console stating that a neighbor relationship with another eigrp router has been established. Ccna network simulator ccna exam simulator ccent exam simulator ccna icnd2 exam simulator ccnp bsci exam simulator 3 note. In this cisco configuration example, we will focus on eigrp configuration and eigrp basic commands. Flooding of this excess lsas would be chaotic itself for the network. Older cheat sheets may contain additional commands, such as ipx which is no longer in the exam. It is a cisco proprietary protocol, so all routers in a network that is running. We will use cisco packet tracer for our configuration.
Ospf cheat sheet 3 designated router dr backup dr bdr election there are two problems with multiaccess networks. In 2008 free ccna workbook originally started as a sharable pdf but quickly evolved into the largest ccna training lab website on the net. On pc0, click on the desktop tab, open the web browser, and type. By reading this course, you will acquire the necessary information and concepts about ccna. Eigrp supports classless routing and vlsm, route summarization, incremental updates, load balacing and many other useful features. Ccna lab manual router infotech, confidential document only for internal circulation page 3 procedure. Some common users who are very frequently using ccna queries, they normally use some of the tips and tricks for utilizing output in a proper way. Eigrp 97 configuring eigrp 97 eigrp auto summarization 98 verifying eigrp 98 troubleshooting eigrp 99 configuration example. This tutorial explains how to configure eigrp routing protocol in cisco routers step by step with practical example in packet tracer. Ccna in 21 hours 12 about this book about this book this ccna book offers you an easy, fast and precise understanding of the 640802 ccna syllabus. Learn eigrp configuration commands, eigrp show commands. Continuing our cisco commands cheat sheet for ccna students, this is our 3rd post. We can enable eigrp only for specific networks using wildcard masks.
Ccna 3 module 1, introduction to classless routingcon. You can verify that routers have become neighbors by using the show ip eigrp neighbors command on either router. Had frame relay, eigrp sims and ospf hotspot no config sim though. The retransmit interval and the queue counts for the adjacent routers also need to be checked. Enhanced interior gateway routing protocol eigrp is an advanced dynamic routing protocol that is used for routing decisions and configuration on the routers.
To restore the default value, use the no form of this command. Eigrp is a classless routing protocol, meaning that it. Nov 29, 2018 a network administrator is troubleshooting an eigrp problem on a router and needs to confirm the ip addresses of the devices with which the router has established adjacency. Sep 23, 20 continuing our cisco commands cheat sheet for ccna students, this is our 3rd post. Here are all the ccnalevel routing and switching commands you need in one condensed, portable resource. Eigrp adheres to the following hybrid characteristics. By default, the network command takes a classful network number as the parameter. Introduction to eigrp enhanced interior gateway routing protocol duration. This is one of the advanced commands of ccna which are executing for find out detail information of layer 3 protocol available in the cisco device. Essential cisco ios commands ccna training, practice tests.
You have console access on r1, r2, r3 branch1 and branch2 routers. Nothing special, r1 and r2 are neighbors but thats it. This section includes ios commands that are absolutely identical on both routers and switches, except the part of. To illustrate a configuration of eigrp, we will use the following network. If not then to summarize it all up for you in a pretty little nut shell.
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. 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. By default the autosummary command is enabled in eigrp, therefore here the. This posts consists of a list of important ccna commands that you may need to use both in ccna exams and in real world. Here is the last post in the cisco commands cheat sheet for ccna students. It has given information like rip, eigrp or ospf kind of data.
This protocol is an evolution of an earlier cisco protocol called igrp, which is now considered obsolete. 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. Enable the eigrp protocol on both routers so that hosts on the both routers can. In this video, imran talks about eigrp configuration, different tables of eigrp and different database of eigrp. Configure the gi00 and s000 interfaces with the ipv6 eigrp 100 command.
On the r1 router, use the show ip eigrp neighbors command to view the neighbor table and verify. To control the maximum number of parallel routes an ip routing protocol can support, use the maximumpaths command in router configuration mode. This document is freely given, and can be freely distributed. 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. Eigrp is a ciscoproprietary hybrid routing protocol, incorporating features of both.
Lab 102 configuring mutual ospf and rip redistribution, then you should have a basic understanding of mutual route redistribution. The big brother of the show ip eigrp neighbor command. Cisco asr 9000 series aggregation services router routing command reference, release 4. When you start preparing for ccna exam, you start developing concepts on various networking topics, but in the real world when you will work as a network engineer or in any other relevant position, you will need to know when and how to apply your ccna knowledge. Eigrp is a classless protocol wearing classful mask. The network depicted above consists of only two routers. If you have no idea what eigrp is or how it works you should read my introduction to eigrp first. Bgp cisco configuration cisco products cloud comparison configuration dhcp eigrp high. The first neighbor will have a value of 0, the second neighbor a value of 1 and so on.
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. Well, the answer is eigrp as it has lower administrative distance than ospf 90 ccna routing and switching. Eigrp requires an autonomous system number because that is how it determines what routers belong to the same eigrp routing domain. Lets start with the first option, the static default route. The above command allows us to change the hello timer to 7 seconds for.
To configure a router to use eigrp configuration the following commands are used. Unless we configure it properly it acts like classful protocol. Essential cisco ios commands ccna training, practice. 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 resetting switch configuration 108 setting host names 109. Used debra vce to brush up and refresh my memory but you really need to know how to troubleshoot with show commands show ip eigrp topology show ip route. Shows information about the switch and its interfaces, ram, nvram, flash, ios, etc. Eigrp enhanced interior gateway routing protocol eigrp is a ciscoproprietary hybrid routing protocol, incorporating features of both distancevector and linkstate routing protocols. The given procedures are generic in nature, and for exact sequence of steps, please refer to product manual. H the sequential numbering of established neighbor adjacencies.
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