Oct 24, 2016 this document describes how to redistribute internal border gateway protocol bgp routes into open shortest path first ospf process. This checks if the routes being imported have a tag of 65535. Redistribution into eigrp by using route maps is done similarly as with ospf. The command to enable ospf on a per interface basis is ipv6 ospf 1 area 0 in the interface configuration mode in order to enable ospf process number 1 in area 0 for example. I know thats not what the lab asked for just wondered if it was a good design. The rip metric is composed of hop count, and the maximum valid metric is 15. Jan 17, 2016 first lets redistribute with a lower metric from iosv3 to have this path become preferred.
In this example, we will configure eigrp on packet tracer. Route redistribution of eigrp in ospf packet tracer. You need to register to download the gns3 topology file. When make redistribution into ospf external routes can be of two types. Redistribute eigrp into ospf, ospf into eigrp, basic configuration using gns3 simulator if you have question, leave it in a comment. You would need to set up an eigrp relationship between r4 and r3, and then use the command redistribute eigrp 10 under r4s ospf router process.
Aug 30, 2011 most of the times you will use two way redistribution and so you will redistribute ospf into eigrp and vice versa. The routing protocol receiving these redistributed routes usually marks the routes as external. I was wondering if it would be a valid design to have one border router do rip to eigrp and the other doing a eigrp to rip single point onway redistribution on each. If you have trouble understanding or solving redistribution issues, check out my how to master ccnp route book. Most of the times you will use two way redistribution and so you will redistribute ospf into eigrp and vice versa. Route redistribution of eigrp in ospf packet tracer anyone have issues pinging hosts on packet tracer when redistributing eigrp into ospf. Redistribution into eigrp with route maps get networking. In previous lessons i explained the basics of redistribution and i also showed you how to configure redistribution between ospf and rip.
This video explains you how to solve the rip to eigrp redistribution lab found on gns3vault. In this gns3 lab we will learn how to redistribute from eigrp into ospf and vice. It cannot learn ospf routes until we perform the route redistribution. This lab scenario has been created as a cisco as a gns3 lab but can be completed using cisco packet tracer or real hardware. Ccnp routing exam lab eigrp ospf redistribution sim by. Gns3 the software that empowers network professionals. The majority of the network setups use this protocol nowadays in favor of rip and sometimes eigrp due to it being a linkstate and open standard protocol. In this tutorial we will learn how to use eigrp to run a small network with 5 routers. This lab for any students who wants to learn about networking scenario, especially, ospf, eigrp, and redistribute routing protocols, you can. Download documentation community marketplace training. Feb 11, 2011 but when ospf redistribute routes to eigrp, default is infinite in eigrp as 100 and you cant see external routes even though using redistribute ospf 1. This is all you have to do to redistribute everything.
Eigrp ospf redistribution sim configuration on gns3. The route map redistribute ospf is the one eigrp will use when importing ospf routes. To correct the problem define the five kvalues metrics. May 19, 2014 enhanced interior gateway routing protocol eigrp is a wellknown advanced distance vector igp routing protocol, with rapid convergence thanks to dual algorithm. For example, when you redistribute eigrp into rip, all routes in the eigrp. But maybe you can try config redistribution for ospf with metric lower than rip. Like eigrp, it is quite similar to the prior version of ospf. With its fast convergence and scalability, ospf is well suited for multivendor. The software that empowers network professionals gns3. Encor training redistribute eigrp and ospf gns3 lab. In this gns3 lab we will learn how to redistribute from eigrp into ospf and vice versa. First we assign ip addresses to all interfaces on the routers.
You can download the initial configuration of this lab here. We use the redistribute command to exchange routing information between ospfv3 and ripng. Sep 26, 2012 instructional video on performing router redistribution using cisco packet tracer. Advertise networks in ospf area 0 with specific wildcard mask. This command is executed in router configuration mode of rip, eigrp or ospf to configure the routing process to redistribute routes from a different source into the configured routing process such as static into rip or rip into ospf. You will then configure rip, eigrp, and ospf as shown in the provided network diagram. Ibgp learned routes are not forwarded to an igp routing. Pdf performance analysis and redistribution among ripv2, eigrp.
If the above doesnt help please post as attachments. This lab for ccnp students teaches you how to redistribute between rip and ospf. Path manipulation via eigrp and ospf redistribution techstat. Encor training ospf eigrp redistribute lab route 300101. To remove the redistribute command from the configuration file and restore the system to its default condition in which the software does not redistribute routes, use the no form of this command. Ccnpv6 route lab42 redistribution eigrp ospf youtube.
Eigrp uses ip protocol 88 and uses a multicast address of 224. Jun 12, 2015 basic redistribution between cisco eigrp and ospf 1. In computing environment so many routing protocol like eigrp and ospf are used for sending. Our purpose is to redistribute routes learned from ospf to eigrp. Eigrp ospf redistribution sim configuration on gns3 network. To inject routes from one routing domain into open shortest path first ospf, use the redistribute command.
Configuring rip ospf and eigrp redistribution in cisco packet. Configure redistributing internal bgp routes into igp cisco. As ospf internal and external routes both have ad 110, the suboptimal routing can occur. Tag 40 is the redistribute routes from ospf to eigrp through r2 and r3. Eigrp enhanced interior gateway routing protocol, is a cisco proprietary hybrid routing protocol. Dec 20, 2011 we will need to also configure r4s equivalent and redistribute the eigrp routes into the ospf or else they will not be able to communicate.
This time well take a look at redistribution between eigrp and rip. If they are being redistributed then it is a case of looking at all the routing tables on each router. If you are using gns3 than load the free ccna workbook gns3 topology than. Enhanced interior gateway routing protocol eigrp is a cisco proprietary routing protocol loosely based on their original igrp. Ospf uses lsas to represent external routes and apply a different logic to calculate routes to external subnets.
Implementing ip routing lab42 redistribution eigrp ospf download doc file. Like in other interior gateway protocol igp to igp redistribution, the behavior is different when internal bgp ibgp is redistributed into ospf. Jul 07, 2014 ospf is a widely used protocol in campus, data center and even in service provider environments. In this free cisco lab scenario you will use packet tracer to configure 10 routers to use ipv6, enabling ipv6 on each router, and assign each router an ipv6 address.
Eigrp ospf redistribution sim configuration on gns3 in following topology there are four router, r1, r2 and r3 are running in eigrp as 100. Jan 09, 20 eigrp ospf redistribution sim configuration on gns3 in following topology there are four router, r1, r2 and r3 are running in eigrp as 100. This lab consists of 5 routers and we need to configure eigrp among them. In this lecture you will learn how configure redistribution between different routing. You will also use various commands to verify the configuration and check connectivity. Route redistribution between eigrp and ospf routing. In addition, you can restrict route redistribution by setting accesslist from eigrp to ospf. Download as docx, pdf, txt or read online from scribd. In an earlier entry there is a lab for configuring redistribution into eigrp without using route maps, here well use the same topology in gns3. With this eigrp config, we will see important eigrp commands on cisco packet tracer. Jan, 2010 redistribute network from eigrp to ospf using routemap.
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. For example, when you redistribute eigrp into ospf, all routes in the eigrp. To redistribute eigrp into ospf, you need to execute the following commands on router2. Remember you must account for the return path as well.
In the above command i have told ospf to redistribute eigrp routes from as 1 with a metric of 10, which is lower than the ospf default of 20. While r2s s12 is running in ospf area 24, r3s f20 interface is running in ospf area 34. Ospf does have default metrics but in eigrp must set them. Configuring mutual eigrp and rip redistribution free ccna.