This time well take a look at redistribution between eigrp and rip. Now its time to make things a little more complex and get two protocols involved. Configureexplain redistribution concepts listed below and use showdebug commands for verification perform mutual redistribution between eigrp. Ospf uses lsas to represent external routes and apply a different logic to calculate routes to external subnets. Ccnp route lab manual with solutions config router. Unable to redistribute ibgp learnt routes into an igp such as eigrp, ospf redistribute ospf default routes in to bgp. In appendix a of this lab, you explore black hole operation.
The ospf processid is a numeric value local to the router. Mar 16, 2018 configuring cisco route redistribution between eigrp and ospf march 16, 2018 april 30, 2018 timigate 2 comments cisco, eigrp, ospf, redistribution ospf and eigrp are without doubt, two of the best internal routing protocols out there. Comparison of rip, ospf and eigrp routing protocols based. Configure and verify ospf to improve routing performance implement and verify ospf multiarea routing configure and verify ospf route summarization for interarea and external. Redistribution lab configuring route redistribution lab basic objectives. Administrative distance internal 90 external 170 external routes when the routes redistributed in eigrp it shows ad value 170 in routing table eigrp is now an open standard, cisco made it open standard in year 20. Oneway redistribution will occur with eigrp routes being redistributed into ospf. Jun 12, 2015 basic redistribution between cisco eigrp and ospf 1. We use the following topology to demonstrate how to redistribute eigrp routes into ospf and ospf routes into eigrp. Redistribution of only ospf external type 1 or type 2 routes into bgp redistribution of ospf internal and external routes into bgp redistribution of ospf nssa. During the last decades people have become witnesses to the rapid expansion of data networks. We assume that all devices have configured with appropriate ip addresses. We assume that all the devices have already been configured with the appropriate ip addresses.
Rip routing information protocol is one of the oldest routing protocols still in service. If you are interested in a tutorial about redistribution eigrp routes into ospf take a look at online dating sites in 2019 tutorial. Oneway redistribution will occur with ospf routes being redistributed into eigrp. Rip for ipv4 was removed from the ccnp route exam in 2015. Advertise networks in ospf area 0 with specific wildcard mask. May 04, 2011 configureexplain redistribution concepts listed below and use showdebug commands for verification perform mutual redistribution between eigrp and ospf explain eigrp metrics. Lab setup for eigrp, ospf, path control the above diagram will be used for studying all eigrp, ospf and path control concepts in the ccnp route 642902 curriculum. Eigrp it is a cisco standard routing protocol now open standard protocol from 20 it supports maximum 255 routers in the network.
Let me break down the various parts of the above command. In previous lessons i explained the basics of redistribution and i also showed you how to configure redistribution between ospf and rip. In this lab i will show you how to do a basic redistribution from ospf into eigrp. Configuring cisco route redistribution between eigrp and ospf march 16, 2018 april 30, 2018 timigate 2 comments cisco, eigrp, ospf, redistribution ospf and eigrp are without doubt, two of the best internal routing protocols out there. In this lab, you configure redistribution on r2 to enable these two routing protocols to interact, allowing full connectivity between all networks. Chapter 4 lab 42, redistribution between eigrp and ospf. Therefore, its routing table contains the routes from both networks. In the first lab in this free ccnp route redistribution course, we worked with a single protocol. This lab will discuss and demonstrate the configuration and verification of mutual ospf and eigrp redistribution. Pdf simulationbased comparative study of ospf and eigrp. R1 will act as an asbr by redistributing a series of static routes into theospf network. Once you have configure ip addresses, execute the following commands to configure eigrp routing on router1.
The file servers are where the data files of the volunteers will be kept. Cisco ccnp route configuring redistribution into eigrp the above slide show commands within router eigrp configuration mode that are used to redistribute ospf into eigrp. The information presented in this document was created from devices in a specific lab environment. We have one router which runs eigrp r3, one runs ospf r2, and third r1 runs both. A process by which a network protocol communicate with another network. This router is the junction between the two networks and runs both ospf and eigrp. In this lab, you will learn how to perform twoway redistribution between ospf and eigrp. Comparison of rip, ospf and eigrp routing protocols based on. Hello all, wanted to confirm an eigrp ospf mutual redistribution behavior which i tested in my lab, only question i had is when injecting eigrp 170 routes redistributed from another router into an ospf process, these injected routes do not appear in the routing table but i do see them in the eigrp topology table and will only appear in the route table if the ospf routes dissapear. Ospf will also create a unique lsa for each external route.
Understanding redistribution of ospf routes into bgp document id. It is possible to redistribute from one routing protocol to the same routing protocol, such as between two separate ospf domains distinguished by unique process ids. New ways of working, communicating and socializing have been accompanied by new terms such as bring your own device byod, the internet of things and. Create the logical topology shown below from your lab physical topology the base configuration for pnr7 and pns1 are provided in the pod figures under. Pdf chapter 4 lab 41, redistribution between rip and ospf. In this tutorial well configure redistribution between eigrp and ospf using cisco packet tracer software. Difference between eigrp and ospf difference between. Implement a multiarea ospf network, given a network design and a set of requirements. Mututal redistribution between ospf and eigrp is uncommon however it is used mostly in company acquisitions or band aiding poorly architected networks. Chapter 4 lab 41, redistribution between rip and ospf topology. Network diagram objectives configure ospf for the above network diagram. 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.
Total delay is 500120 microseconds, minimum bandwidth is 0 kbit. Redistribu tion between ospf eigrp with route summarization 1. External routes into bgp modify the redistribution option in ospf unable to redistribute ibgp learnt routes into an igp such as eigrp, ospf redistribute ospf default routes in to bgp. Chapter 4 lab 41, redistribution between rip and ospf.
Configure and cable the serialethernet interfaces as indicated in the above diagram. Performance analysis of rip, eigrp, and ospf using opnet. These routes should not increment their metric as they pass through the network and should have an initial ospf cost of 200. Instructor while ospf redistributionconfigures similarly to eigrp redistribution,its fairly different under the hood. Ccnp route chapter 4 exam answers version 7 score 100%. Routereigrp routers, as shown in the figure above, are the internal routers of the research lab network. Figure 43 shows the network topology for the configuration that follows, which demonstrates how to configure single point twoway basic redistribution between eigrp and ospf for ipv4, using the commands covered in this chapter. Understanding redistribution of ospf routes into bgp. Basic redistribution between cisco eigrp and ospf 1. Dec 02, 2011 the processid does not need to match on all routers like the autonomous system number needs to in eigrp.
Pdf routing protocols are key elements of modern communication networks. First we will redistribute rip into ospf on r3 and r4. Jan 3, 2018 120 labs for cisco ccna 200125 and ccent exams no comments. Aug 11, 2016 route redistribution between ospf and eigrp 1. Eigrp to ospf redistribution question cisco community.
Configure the ip addresses on the routers using the following 192. Route redistribution between rip and eigrp it beginner. If youve completed lab 102 configuring mutual ospf and rip redistribution and lab 103 configuring mutual ospf and eigrp redistribution then you should be no stranger to mutual route redistribution if you did not complete the previous labs then to summarize mutual route redistribution up in a pretty little nut shell. Eigrp configured on router1 and router2 to advertise network 10. For this configuration example, assume that eigrp and ospf routing has been configured. In conclusion, mutual redistribution between eigrp and ospf on two or more routers does not create routing loop. It is used specifically for the internet protocol or ip networks. We assume that all the devices have already configured with the appropriate ip addresses. Neighbor table and topology table are maintained by the eigrp enhanced interior gateway protocol 10. Redistribution between cisco eigrp into ospf and vice versa.
It does not have to match processids on other routers. Twoway redistribution will occur between the ospf and eigrp routing domains. We will use the following topology to demonstrate how to perform redistribution between rip and eigrp. Configuring mutual eigrp and rip redistribution free ccna. Comparison of rip, eigrp, ospf, igrp routing protocols in. Pdf performance analysis and redistribution among ripv2.
How to configure redistribution between eigrp and ospf in. R1 is running eigrp, and r3 is running multiarea ospf. Route redistribution is the process of using a routing protocol to advertise routes that were learned by another means e. Router used as a frame reay switch lab 25, eigrp authentication and. Configure and verify eigrp authentication troubleshoot and verify eigrp operations. Chapter 4 lab 41, redistribution between rip and ospf instructor. In the example above, r1 is participating in both ospf and eigrp while redistributing between them. If youve completed lab 102 configuring mutual ospf and rip redistribution and lab 103 configuring mutual ospf and eigrp redistribution then you should be no stranger to mutual route redistribution. Route redistribution has been configured from an ospfv3 domain into an eigrp for ipv6 domain.
Open shortest path first also known as ospf is a dynamic routing protocol. Now we will continue by configuring redistribution. Apr 28, 2019 twoway redistribution will occur between the ospf and eigrp routing domains. Ospf has usable default metrics,though the metric can be assigned if desired.
Routereigrpospf and routereigrprip are the routers that are at the fund raising office interface and the biology lab interface. This topology includes multiarea ospf with area 0 as the hq backbone for the enterprise network and other ospf areas or ripeigrp domains acting like remote branches. Hop count is the metric that rip uses and the hop limit limits the network size that rip can support. It is a link state routing protocol and is most commonly grouped with interior gateway protocols.
Hello all, wanted to confirm an eigrp ospf mutual redistribution behavior which i tested in my lab, only question i had is when injecting eigrp 170 routes redistributed from another router into an ospf process, these injected routes do not appear in the routing table but i do see them in the eigrp topology table and will only appear in the. Ccnp route lab manual with solutions chapter 1 lab 11, tci script reference and demonstration chapter 2 lab 21, eigrp configuration, bandwidth, and adjacencies lab 22, eigrp load balancing lab 23, eigrp summarization and default network advertisement lab 24, eigrp frame relay hubandspoke. Dec 03, 2014 administrative distance internal 90 external 170 external routes when the routes redistributed in eigrp it shows ad value 170 in routing table eigrp is now an open standard, cisco made it open standard in year 20. Eigrp is denoted by d for internal and dex for external in routing table eigrp is the only protocol that have backu. Ill do this stepbystep so you can see what will happen. When make redistribution into ospf external routes can be of two types. In this gns3 lab we will learn how to redistribute from eigrp into ospf and vice versa. Ospf eigrp redistribution topology router r1 router r2 router r3. Redistribution between cisco eigrp into ospf and vice.
We will use the following topology to demonstrate how to perform redistribution between eigrp and ospf. Pdf in a network topology, it is very usual to use various kinds of routing protocol for forwarding packets. Ospf open shortest path first is the most widely used igp interior gateway protocol large enterprise networks. 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. However, we have not configured redistribution yet. There any many things which are in the basics of eigrp. The above example shows eigrp routes being redistributed into ospf using a metric type of 1 for all eigrp routes being injected into ospf. Configuring cisco route redistribution between eigrp and ospf. Pdf performance analysis of rip, eigrp, and ospf using opnet. 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. Once you have configure ip addresses, execute the following commands to configure rip routing on router1. Equipment four cisco routers with the interfaces configured as shown above.
Although r3 still learned about this prefix via redistribution from r5 but the prefix 10. Dec 12, 2017 in this tutorial well configure redistribution between eigrp and ospf using cisco packet tracer software. Configure route redistribution between multiple ip routing protocols implementing ospfv2, eigrp, ripv2, ipv4 redistribution, pbr, and hsrp networking. Chapter 4 lab 41, redistribution between eigrp and ospf. Configuring mutual eigrp and rip redistribution free.
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