Ospf routing protocol and comparing it to rip and eigrp. Rip and ospf are routing protocols used to advertise about routes in a network they are used as interior gateway protocols igp, which are configured inside an autonomous system. Enhanced interior gateway routing protocol eigrp border gateway protocol bgp intermediate systemtointermediate system isis lets discuss each of above protocols as below. Eigrp uses diffusing update algorithm to calculate the best path. This video is made with packettracer simulating cisco routers. The following table lists the differences between ospf and eigrp.
It is a advance distance vector routing protcol therefore it also do rouing by rumour. This can be used and deployed in a variety of networks. Basic differences between rip 1, rip2, igrp, eigrp and. Routing protocols overview cisco ccna rip, ripv2, eigrp. A routing protocols responsibility lies in determining the way routers communicate with each other in order to forward any kind of packets, from a source to a destination, using the optimal path that would provide the most efficiency. Aug 10, 2005 however, doing this is not entirely fair. Enhanced interior gateway routing protocol eigrp is a cisco propriety distance vector routing protocol. In this protocol a router shares routes with other router in. Ospf link state, classless routing, open standard ripv1 use broadcast and maximum hop count 15, 16 unreachable ripv2 use periodic multicast 224. Redistribution between cisco eigrp into ospf and vice versa. Comparison of rip, eigrp, ospf, igrp routing protocols in wireless local area network wlan by using opnet simulator tool a practical approach. What are difference between rip, igrp, eigrp and ospf routing protocol.
Among different routing protocols, enhanced interior gateway routing protocol eigrp and routing information protocol rip and have been considered as the preeminent routing protocols for realtime applications. Igrp, which stands for internet gateway routing protocol, is a relatively old routing protocol that was invented by cisco. Jun 12, 2015 basic redistribution between cisco eigrp and ospf 1. It cannot learn ospf routes until we perform the route redistribution. Feb 26, 2010 enhanced igrp eigrp was developed from igrp, another distance vector protocol. Difference between eigrp and ospf difference between. This video will help you compare both the protocols. In previous lessons i explained the basics of redistribution and i also showed you how to configure redistribution between ospf and rip. Difference between eigrp and ospf with comparison chart. Basic differences between rip 1, rip2, igrp, eigrp and ospf and bgp. Rip was intended for use in small networks with reasonably uniform technology. The main idea behind the development of the ospf protocol is to develop a linkstate protocol which could provide more efficiency and scalability than rip.
To put it simply, eigrp basically does what ospf does and what rip does and combines the two into a set of algorithms to learn and place the best route for each subnet. It explains switching protocol, network optimization and test plan used while implementing it. Nowadays, routing protocols have become a crucial part of the modern communication networks. Comparison of rip, ospf and eigrp routing protocols based on. There are two varieties of routing protocols for internetworks that are igp and egp.
It is loosely based on the original concept of igrp interior gateway routing protocol. Enhanced interior gateway routing protocol is routing protocol like interior gateway routing protocol. Comparison between rip, eigrp, igrp, and ospf free computer. In the preceding figure, you can see that only router1 has only the network routes of rip routing protocol. Apr 03, 2017 routing protocols are used to establish a path between routers. Pdf performance analysis of rip, eigrp, and ospf using opnet. Comparison routing protocols rip vs ospf vs eigrp in hindi. Performance analysis of rip, ospf, igrp and eigrp routing. Comparison between rip, eigrp, igrp, and ospf free.
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. Eigrp is denoted by d for internal and dex for external in routing table eigrp is the only protocol that have backu. Rip was not intended to meet all of the same goals as igrp. Routing with eigrp protocol is done using neighbor tables, topology tables and routing tables. Metric is used to select the best route to reach a subnet, and lower metric is considered to be better. In this tutorial we will learn how to configure route redistribution between ospf and eigrp using cisco packet tracer. The problem you have is that eigrp has a better ad than rip so any routers configured with eigrp would start to use the eigrp learnt routes. This time well take a look at redistribution between eigrp and rip.
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. Comparison of rip, ospf and eigrp routing protocols based. Boaheng cisco 2routing as you study this section, answer the following. Rip routing information protocol is a forceful protocol type used in local area network and wide area network. Redistributing between classful and classless protocols. If not then to summarize it all up for you in a pretty little nut shell. The same concepts apply to eigrp when you redistribute rip into eigrp, all the routes from rip will be injected into the eigrp topology table and advertised through out the autonomous system as an eigrp external route. This is a route redistribution between ospf and eigrp configuration lab. The ietf established ospf as the standard for interior routing. Rip distance vector eigrp hybrid protocol ospf link state hello timer. Difference between rip and ospf with comparison chart. Comparative analysis of protocol rip, ospf, rigrp and igrp for.
Basic redistribution between cisco eigrp and ospf 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. Rip 30sec eigrp 5sec ospf less than 1sec algorithm. The number in the router ospf or ipv6 router ospf or router ospfv3 command is only a process number to distinguish between multiple ospf processes running on the same router, but it is entirely independent of the autonomous system number in which the ospf is running. Aug 03, 2011 rip1 message format contains a number of must be zero fields, these fields are used by rip2s extended functionality. When i think about all this stuff, in my opinion, its better to run ospf compared to eigrp because it is one of the most popular igp interior gateway protocol around the world. Comparison of rip, eigrp, ospf, igrp routing protocols in.
Ospf open shortest path first is the most widely used igp interior gateway protocol large enterprise networks. Eigrp supports a hopcount of 255 routers 100 by default, as its only an advanced distance vector routing protocol. Redistribute between ospf eigrp issue techexams community. Network admins may find themselves in a dilemma when choosing between rip vs ospf. The main difference being rip and igrp are distance vector protocols. The former protocol, eigrp employs a distance vector routing protocol while the latter one, ospf uses a linkstate routing protocol.
We will see difference between rip and ospf protocols below. Rip vs ospf difference between rip and ospf difference. 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. This is a classless routing protocol which also assists variablelength subnet masking vlsm and discontiguous networks. Lets examine four of the most popular routing protocols used within. Bootstrap searches for startup config present in nvram or else goes in setup mode.
When you send traffic on a network, the router default gateway in windows computer terminology determines how to route the traffic. Bootstrap searches for startup config present in nvram. Routing protocols include routing information protocol rip, open shortest path first ospf, interior gateway routing protocol igrp, and enhanced interior gateway routing protocols eigrp. Rip and igrp will not advertise routes out an interface if those routes are on the same major network, but have a different mask than that particular interface. Another difference is that rip uses bellman ford algorithm while ospf uses dijkstra algorithm. Rip sends full update eigrp triggered update ospf triggered and periodic update hop count. Even in cisco the cisco curriculum, igrp is only discussed as an obsolete protocol as an introduction. Any router manufacturer can implement ospf into its products, and most of them have.
Redistribution between cisco eigrp into ospf and vice. Same goes with eigrp when you redistribute ospf into eigrp, all the routes from ospf will be carried over to eigrp and advertised through out the autonomous system. Rip routing information protocol is one of the oldest routing protocols still in service. Performance analysis of rip, eigrp, and ospf using opnet. Spf only depends on bandwidth for metric calculation spf bases on bandwidth to calculate the cost of a particular link, the shortest. It is the link state routing protocol as well as vector routing protocol.
No, the enhanced interior gateway routing protocol eigrp developed by cisco is not an open standard. What you can do is configure all routers with eigrp but temporarily increase the ad for all eigrp routers to be greater than 120 rip routes. As a link state protocol, ospf converges quickly than eigrp, also ospf can be used in larger networks. We are going to look into the difference between rip and ospf now, and they nothing but the router protocols. Ospf open shortest path first is also a routing protocol like eigrp but it is an open ietf standard which can be used and deployed in a variety of networks. Four typical types of umtss routing protocol are chosen in this paper to comparison between them rip routing information protocol, ospf. The list is long and we have protocols specific for every purpose. In ospf routing protocol we can create a separate administrative boundary in the network through area no.
Of course there any many more differences discussed in the paper, some of which should be weighed carefully when deciding between an ospf and an isis deployment. Rip routing information protocol type is categorized interior gateway protocol within the use of distance vector algorithm. It is link state routing protocol means in ospf every router has topological information in the form of lsas. Eigrp is indeed cisco proprietary but is considered to be somewhat of a hybrid between linkstate and distance vector. Feb 02, 2017 this is a quick video tutorial on how to redistribute eigrp routes into ospf routers and ospf routes in eigrp routers. Nov 23, 2010 a tutorial on the basic differences between rip, ripv2, eigrp and the ospf routing protocols for the cisco ccna. The major difference between these two algorithms lies in how they calculate the shortest routing path. Internet protocol is designed to support ipv4 addresses that igrp could not support. Rip, eigrp and ospf are all interior gateway protocols igp while bgp. Difference between rip and ospf compare the difference. In a similar manner, we have protocols to instruct routers about how it should handle the incoming and the outgoing traffic. Difference between eigrp and ospf compare the difference.
Some of the most common routing protocols include rip, igrp, eigrp, ospf, isis and bgp. Routing information protocols rip rip routing information protocol is a forceful protocol type used in local area network and wide area network. The rip requests the routing table from different neighboring devices of the router that uses rip. The purpose of routing protocols is to learn of available routes that exist on the enterprise network, build routing tables and make routing decisions. To redistribute eigrp into ospf, you need to execute the following commands on router2. Comparison between rip, eigrp, igrp, and ospf what is difference between rip, eigrp, igrp and ospf. Nov 20, 2015 when you send traffic on a network, the router default gateway in windows computer terminology determines how to route the traffic. Service provider support ospf if a very good protocol to use on wan compared to eigrp, the reason for this is that most of the service provider supports it. Eigrp is a classless, distance vector routing protocol with features found in linkstate routing protocols.
This video explains aspects about ospf and eigrp routing protocols. Ospf uses areas which means you can segment the network more logically. Of course, the difference between the time of convergence in rip and eigrp configured networks is significantly lower if instead of bus topology, the network is created as hierarchy topology. Eigrp is the autonomous number as was involved with the router, all you need to update routing tables via a routing protocol. These routes are denoted as d ex routes in the routing table. Here is the difference between rip ospf igrp and ospf. 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 stands for enhanced interior gateway routing protocol. Ospf has more strict requirements for forming neighbor adjacencies. Ospf is link state so it has a better view of the entire network than eigrp before it runs the spf algorithm. Only feature that i can recall that eigrp has which ospf doesnt, is support for load balancing across links of different speeds. Rip determines where to send the traffic by determining the shortest amount of hops.
Eigrp is a routing protocol that is proprietary to cisco. Igrp does not support areas or tables, but supports multipart routing. Difference between rip and ospf network table construction. This article is mainly concentrated on configuration of rip and eigrp together to get the above mentioned benefits. Moreover, as opposed to eigrp, ospf does not send out this process number in. Lab 102 configuring mutual ospf and rip redistribution, then you should have a basic understanding of mutual route redistribution. Difference between igrp and eigrp difference between.
Rip determines optimal route for the packet to reach destination by hop count. Bgp path control by local preference, path control, as path selection ccna 200120 quick notes before exam. Comparing dynamic routing protocols network computing. Now see the benefits of using this type of routing configuration. Eigrp it is a cisco standard routing protocol now open standard protocol from 20 it supports maximum 255 routers in the network. So first you should know the basics after that the main answer will come. Routing information protocol rip, enhanced interior gateway routing protocol eigrp, open shortest path first ospf, and intermediate system to intermediate system isis.
Rip bellmen ford eigrp dual method ospf dijkstra updates. Eigrp is based on dual diffusive update algorithm while ospf uses spf shortest path first algorithm. Cisco ospf vs eigrp difeerence between ospf and eigrp. Comparison of rip, eigrp, ospf, igrp routing protocols in wireless local area network. These routing protocols use different metrics to route the packets. Enhanced interior gateway routing protocol also known as eigrp is a proprietary routing protocol developed by cisco. Locate startup configuration file or enter in setup mode.
Bootstrap program performs this task by default ios is stored in flash memory locate startup configuration file or enter in setup mode. In this study we present a simulation based comparative performance analysis between rip, ospf, eigrp and igrp for real time applications by using. What is the best difference between rip, ospf, eigrp. On the performance comparison of rip, ospf, isis and. Difference between rip, ospf, igrp, and eigrp routing. These fields are routing domain 2 bytes, route tag 2 bytes, subnet mask 4 bytes and next hop 4 bytes. Mutual route redistribution is a common remedy when companies acquire other companies that use different routing protocols. It also has version 2 and nowadays both versions are in use. The principal difference is that rip falls in the category of distance vector routing protocol whereas ospf is the example of link state routing. What is cidr, vlsm and clsm, and vtp difference between vtp server mode, client mode and transparent mode, switching method, types of memory are available in the router, booting sequence of router, classfull routing and classless routing.
Both routing protocols are commonly used in today networks and understanding. The hello and dead intervals must match, and the subnet mask must match except on pointtopoint links. Comparison of routing protocols rip, ospf and eigrp. Network routing protocols igrp, eigrp, ospf, isis, bgp. Pdf performance evaluation comparison of rip, igrp, eigrp. Routing protocol comparison routing protocol comparison v1.
Hop count is the metric that rip uses and the hop limit limits the network size that rip can support. Section 2 describes types of routing protocols that is rip, osfp and eigrp. For more information on rip and igrp updates, refer to behavior of rip and igrp when sending and receiving updates. Ospf and eigrp in order to compare their attributes and performance. This document explains two common problems with redistributing routes between rip and ospf or igrp and eigrp.
However, unlike rip or ospf, eigrp is a proprietary protocol developed by cisco and only runs on cisco routers. Rip is a distance vector protocol and ospf is a link state protocol. I have made a step wise tutorial showing redistribution process between eigrp and ospf and also performed network connection testing after configuration. Each routing protocol has its own way of determining the best path to a network. The most basic difference between igrp and rip is the structure of their metrics. The main difference between the igrp and eigrp is that, interior gateway routing protocol is classful routing technique, while enhanced interior gateway routing protocol. The eigrp and ospf are the interior gateway routing protocols which help in selecting the routes for transferring or sharing the data through interacting with the routers. 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.
Rip stands for routing information protocol and ospf stands for open shortest path first ospf. Then there is a difference in their operations, times like updates, refreshes, etc. It has been largely replaced by the newer and more superior enhancedigrp, more commonly known as eigrp, since 1993. We are going to look into the difference between rip and. Rip is a standardized vector distance routing protocol and uses a form of distance as hop count metric. Difference between rip and ospf difference between. The connectivity related information will pass between router. Enhanced interior gateway routing protocol eigrp, and the open shortest path first ospf protocol. Ospf calculates the metric using cost, but eigrp uses bandwidth, load,delay and reliability to calculate the metric. Section 3 tells how we implemented ospf routing protocol.
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