This article takes a look at the configuration of the enhanced interior gateway. Its time for the exciting part of our enhanced interior gateway routing protocol, or eigrp, discussion, configuration. Click edit to edit the ip address, network mask, or area number in the ip address window. Eigrp explained enhanced interior gateway routing protocol. In an earlier entry there is a lab for configuring redistribution into eigrp without using route maps, here well use. There are plenty of loopbacks with ip addresses configurated for you to summarize. The leakmap just allows you to advertise a specific prefix within the range of a summary advertisement, as well as the summary itself. Lets setup eigrp on our branch router and our hq router. 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. What are the packet types for eigrp hello identifies neighbors and serves as a keepalive mechanism. Eigrp configuration with example stepbystep icnd2 200105. Enhanced interior gateway routing protocol eigrp is an example of a balanced hybrid routing protocol. Backwards compatibility with the igrp routing protocols. It has a userfriendly and flexible graphical easyeigrp browse files at.
This paper is an introduction to the interior gateway routing protocol igrp suite of routing protocols designed and developed by cisco systems. Remember theres an implicit deny at the end of the prefix list. For our eigrp config example, we will use the below topology on packet tracer. Eigrp uses diffusing update algorithm dual to determine the best path among all feasible paths. You can download the cisco packet tracer example with. Eigrp has several advantages over routing information protocol rip and interior gateway routing protocol igrp, and even some advantages over open shortest path first ospf and. Lune des plus sophistiquees est celle du protocole proprietaire eigrp. Dual, the algorithm used to converge the control plane to a single set of loopfree paths is based on research conducted at sri international. The default behavior for rip, igrp and eigrp is to advertise directly connected routes when a network statement under the routing protocol. Rip and eigrp configuration on same network submitted by satish tiwary on wed, 071020 10.
Configuring mutual eigrp and rip redistribution free. Configuring and analysing of eigrp protocol using cisco packet. This feature is needed if you have two or more spoke. Instructor another key concept for the ccnp testas well as most modern networks is default routing. Eigrp is a cisco proprietary routing protocol loosely based on their original igrp interior routing protocol. Comparison of rip, ospf and eigrp routing protocols based. One of the great unique features eigrp brings to the table is the ability to loadbalance traffic across unequal links. Eigrp adheres to the following hybrid characteristics. 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. Configuring eigrp default route propagation free ccna.
Eigrp uses the source code of d for dual in the routing. Editor inchief john kane cisco systems program manager bob anstey managing editor patrick kanouse. Unlike eigrp automatic summarization, eigrp manual route summarization is configured and implemented at the interface level using the ip summaryaddress eigrp asn. The 1005a can run eigrp so no redistribution is needed between the 2500b and the 1005a. The rfc editor has chosen to publish this document at its discretion and makes no. Eigrp enhanced interior gateway routing protocol eigrp is a ciscoproprietary hybrid routing protocol, incorporating features of both distancevector and linkstate routing protocols. Ccnp redistribution entre eigrp et ospf microsofttouch. Most networks cant supportand have no need for the full internet route. Introduction this document describes the enhanced interior gateway routing protocol eigrp, a routing protocol designed and developed by cisco. Eigrp distribute list with a route map and prefix list.
Posted by rene molenaar february 23, 2011 in redistribution. Eigrp as123 has been preconfigured for you and is advertising all networks. Configure eigrp on all routers using the autonomous system numbers as diagrammed. Path manipulation via eigrp and ospf redistribution techstat. On my eigrp network design even though the final solution looked good and kept routes to a minimum it was a lot or work to design and build, especially so compared to just dropping in int. In this paper, the routing protocol eigrp has been studied and implemented using. Enhanced interior gateway routing protocol eigrp is a powerful distance vector routing protocol and is relatively easy to configure for basic networks.
Introduction this document describes the enhanced interior gateway routing protocol eigrp, a routing protocol designed and developed by cisco systems, inc. Eigrp is the enhanced interior gateway routing protocol. Redistribution into eigrp with route maps get networking. Eigrp uses the source code of d for dual in the routing table. Enhanced interior gateway routing protocol eigrp is another routing protocol in addition to rip and ospf.
If youve completed lab 102 configuring mutual ospf and rip redistribution and lab 103 configuring mutual ospf and eigrp. To enable eigrp on a router you use its router command router eigrp. Eigrp loopfree alternate lfa fast reroute frr is a feature that allows eigrp to switch to a backup path in less than 50 ms. Use this window to add or delete an extended igrp eigrp route. Summarizing ip routes with eigrp and ospf techrepublic. Eigrp converges very quickly, it takes about the same time or not. The australia zoo has hired you as a crocodile hunter network. The eigrp add path support is a feature that allows the hub in a dmvpn topology to advertise multiple best paths to its spoke routers. Information about configuring eigrp eigrp features increasednetworkwidthwithiproutinginformationprotocolrip,thelargestpossiblewidthof. Choisissez entre ospf et eigrp pour votre topologie administrez.
Enhanced interior gateway routing protocol wikipedia. Fast reroute means we switch to another next hop, loopfree. Eigrp requires an autonomous system number because that is how it determines what routers belong to the. Basic cisco router eigrp configuration pluralsight. This documents describes how to configure default routes in enhanced interior gateway routing protocol eigrp. Toutes les marques citees ont ete deposees par leur editeur respectif. Easyeigrp is an implementation of the enhanced interior gateway routing protocol developed in java. Eigrp is a routing protocol based on distance vector technology. Ciscos enhanced interior gateway routing protocol eigrp.
Administrative distance 90 internal, when routers are connected in the same autonomous. The default administrative distance of 90 is used for internal routes and 170 for routes imported from an external source. How to configure eigrp on your cisco router by david davis in cisco intermediate. The autonomous system number is used to identify the routers eigrp routing process to other routers. Understanding basics of eigrp routing protocol features of eigrp.
Lune des plus sophistiquees est celle du protocole proprietaire eigrp enhanced. Redistribution into eigrp by using route maps is done similarly as with ospf. Eigrp is an advanced distancevector routing protocol, it can only. Configuring advanced eigrp routing lab continued eigrp objectives. This group of commands either enables or disables eigrp interfaces between certain numbers of a specified network address. Eigrp enhanced interior gateway routing protocol is ciscos proprietary routing protocol based on. In 2008 free ccna workbook originally started as a sharable pdf but quickly evolved into the largest ccna training lab website on the net. Path first spf algorithm which is used to calculate the shortest path to each node. To properly configure r1 to load balance traffic on a 5.
757 1568 1126 399 154 95 774 1358 1449 1032 872 632 1051 478 525 162 1521 1213 262 742 1473 228 900 800 649 189 375 482 1529 1149 1187 1399 509 1108 223 832 518 781 404 1067 101 1472 128 1335 459 248 1250