Eigrp enhanced interior gateway routing protocol eigrp is a ciscoproprietary hybrid routing protocol, incorporating features of both distancevector and linkstate routing protocols. The principal difference between rip and ospf is that rip falls in the category of distance vector routing protocol whereas ospf is the example of link state routing. I ran into tony hain at nanog last week, and he told me he had gotten pounded with questions about ipv4 address exhaustion after my post discussing his and geoff hustons studies. Eigrp and ospf are dynamic routing protocols used in. Then there is a difference in their operations, times like updates, refreshes, etc. And ospf sends route updates immediately in contrast to rip which sends updates every 30 seconds. Unequal load balancing means if you have two paths going to the same destination with different cost you can also use the highcost way. Ospf knows all the network topology like gps system knows all the paths. A comparison of ospfv3 and eigrpv6 in a small ipv6 enterprise. The main difference between the two is convergence time.
Therefore a comparison of ospfv3 and eigrpv6 will be conducted using dedicated cisco hardware. The main alternative to eigrp for most campus lan routing deployments is the open shortest path first ospf dynamic routing protocol. Ospf is link state so it has a better view of the entire network than eigrp before it runs the spf algorithm. And this lack of scalability in ospf makes it unsuitable for routing across the internet. Eigrp is based on dual diffusive update algorithm while ospf uses spf shortest path first algorithm. Currently we are running bgp loopbacks within our core and bgp on our mpls network. Eigrp adheres to the following hybrid characteristics. A free tutorial from chris bryant, the computer certification bulldog. Enhanced interior gateway routing protocol eigrp based on their original igrp while it is a cisco proprietary routing protocol. A wealth of papers have compared ospf and eigrp in terms of converge times and resource usage, however few papers have assessed the performance of each when implementing their respective security mechanisms. Oct 04, 2017 difference between rip and ospf october 4, 2017 7 comments a routing protocol describes the rules that must be followed by a router while it interacts with neighboring routers to learn the path and to maintain the network in the routing tables. Eigrp shows characteristics of both link state and distance vector protocol, but ospf is merely a link state protocol. Pdf there has been a rapid growth of the routing protocols in the area of communication.
The list is long and we have protocols specific for every purpose. Comparison of rip, ospf and eigrp routing protocols based. The version 2 of open shortest path first ospf defined in 1998 for. The rip and ospf are the igp that routing information within an autonomous system, and rip vs ospf differs in many aspects. Nov 21, 2017 eigrp it is a cisco standard routing protocol now open standard protocol from 20 it supports maximum 255 routers in the network. We have implemented ospf protocol for inter networking between networks of a company present in different locations around the world. The main difference being rip and igrp are distance vector protocols. Comparison between rip, eigrp, igrp, and ospf what is difference between rip, eigrp. Eigrp uses diffusing update algorithm dual to determine the best path among all feasible paths. Network administrators will usually be more comfortable with ospf because its more commonly deployed.
Rip2 considers link as failed after 180 seconds not receiving updates from it, compared to 40 seconds for ospf. This page on igrp vs eigrp describes difference between igrp and eigrp. Dec 03, 2014 today i am going to write about difference between eigrp and ospf, one of the questions which i have seen which asked in ccna, ccnp interview. Eigrp is used to converge the loopbacks within the core. Comparison between rip, eigrp, igrp, and ospf free. Difference between rip and ospf difference between.
The eigrp and ospf are the interior gateway routing protocols which help in selecting the routes for transferring or sharing the data through. Eigrp is reliable, fairly intuitive, and comparable in performance to ospf, but runs only on cisco equipment. What is the difference between eigrp, arp and ospf. Eigrp stands for enhanced interior gateway routing protocol. The following table lists the differences between ospf and eigrp. Sep 11, 2015 we use your linkedin profile and activity data to personalize ads and to show you more relevant ads. Neighbor table and topology table are maintained by the eigrp enhanced interior gateway protocol 10. We are going to look into the difference between rip and ospf now, and they nothing but the router protocols. Eigrp, ripv2 and ospf article pdf available in journal of computer science 49 september 2008 with 578 reads. Hence eigrp is more efficient in terms of cpu, ram and bandwidth usage as compared to ospf. Isis is a linkstate protocol like ospf, but is used rarely, typically only at isps these days though some would call it a widespread, but niche, routing protocol. Difference between eigrp and ospf with comparison chart.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Hop count is the metric that rip uses and the hop limit limits the network size that rip can support. Ospf uses areas which means you can segment the network more logically. So first you should know the basics after that the main answer will come. I have been advised by a coworker that bgp should not be in the core and we should use eigrp in the core and redistribute eigrp core into bgpmpls and visa v. Ospf open shortest path first is the most widely used igp interior gateway protocol large enterprise networks. Comparison between rip, eigrp, igrp, and ospf what is difference between rip, eigrp, igrp and ospf. Comparison of rip, ospf and eigrp routing protocols based on. Open shortest path first ospf ospf is an interior routing protocol that is based on link state routing. One of the most asked questions after completion of cisco training like ccna or ccnp routing and switching is which protocol is better eigrp or ospf. Comparing dynamic routing protocols network computing. Difference between ospf and bgp with comparison chart.
Eigrp and ospf are interior gateway protocols, and will not be recognized on the internet, these protocols are used by companies for internal networks. Unlike eigrp, ospf was always an open standard protocol and is an available option on virtually any modern enterprise network hardware made in the past two decades. It is a advance distance vector routing protcol therefore it also do rouing by rumour. Ospf enhanced interior gateway routing protocol also known as eigrp is a proprietary routing protocol developed by cisco. Open shortest path first ospf operating inside a distinct autonomous system. Eigrp is denoted by d for internal and dex for external in routing table eigrp is the only protocol that have backu. Categorized under technology difference between eigrp and ospf eigrp vs. Pdf performance analysis of rip, eigrp, and ospf using opnet.
Features of enhanced interior gateway routing protocol eigrp difference between bfs and dfs. Comparison of rip, eigrp, ospf, igrp routing protocols in. I have been advised by a coworker that bgp should not be in the core and we should use eigrp in the core and redistribute eigrp core into bgp mpls and visa versa. Rip routing information protocol is one of the oldest routing protocols still in service. A distance vector protocol uses the distance or hops count to determine the transmission path and obviously, the rip is one of its kinds. Ospf is able to load balance in equal cost paths, and eigrp can load balance between unequal cost paths, which can be identified as a specialty of eigrp. What is the difference between routing protocol and routed protocol. The rip is a distance vector protocol whereas the ospf is a link state protocol.
Rip, eigrp and ospf are all interior gateway protocols igp while bgp. Routing protocol comparison routing protocol comparison v1. It is link state routing protocol means in ospf every router has topological information in the form of lsas. It is a distancevector routing protocol in advance within the optimization to lessen. Comparison between rip, eigrp, igrp, and ospf free computer. Comparison of rip, eigrp, ospf, igrp routing protocols in wireless local area network wlan by using opnet simulator tool a practical approach. In a similar manner, we have protocols to instruct routers about how it should handle the incoming and the outgoing traffic. Eigrp enhanced interior gateway protocol designed by cisco system which can be used only in cisco routers, but in 20 it became open source, so it can be used in other routers 5 7. Pdf performance evaluation of eigrp and ospf routing. Pdf impact of md5 authentication on routing traffic for. Ospf is based on the shortest path first spf algorithm which is used to calculate the shortest path to each node.
Redistribution between cisco eigrp into ospf and vice versa. Comparison routing protocols rip vs ospf vs eigrp in hindi. Sep 12, 2011 what is the difference between eigrp and ospf. Ospf is a dynamic routing protocol that is used specifically for the ip networks. Impact of md5 authentication on routing traffic for the case of. Pdf comparison of rip, eigrp, ospf, igrp routing protocols. Ospf and eigrp in order to compare their attributes and performance. Learn about popular enterprise routing protocols, including eigrp and bgp. In this ccnp route and tshoot tutorial, youll see the details of route redistribution involving rip and ospf that make the difference between success and failure in realworld networking and on your exam. Pdf performance comparison of protocols combination based on. Particularly it is a link state routing protocol and includes into the group of interior gateway protocol. Redistribution between cisco eigrp into ospf and vice versa example the most common scenario for big enterprise networks with multiple routers is to have a single igp routing protocol igp interior gateway protocol running between the routers in order to distribute all the routing information of the network.
Im on the fence and was wondering what others thought about the change. Mar 05, 2018 the major difference between ospf and bgp is that the ospf is an intradomain routing protocol while bgp is the interdomain routing protocol. Dec 09, 2012 ospf link state, classless routing, open standard ripv1 use broadcast and maximum hop count 15, 16 unreachable ripv2 use periodic multicast 224. Difference between eigrp and ospf compare the difference. On the other hand, bgp protocol uses path vector routing. Eigrp, ospf and rip are the dynamic routing protocols being used in the practical networks to propagate network topology information to the neighboring routers 2. Eigrp is a proprietary gateway protocol that contains optimisations intended to minimise routing instability incurred after topology changes. Difference between conventional and wireless communication systems. Difference between eigrp and ospf difference between. Eigrp has the fastest router convergence among the three protocols we are testing. Eigrp, on the other hand, is an enhanced distance vector routing protocol which has triggered and incremental updates. Eigrp is a flat protocol which runs well in a single as, ospf works better in multiple areas with all areas needing to connect to an area 0 backbone. It is used to share the information from one router to the.
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