So now we are ready to Redistribute into OSPF. We've spent the last few minutes building our Route Maps and Access Lists and now we're ready to enter the one command that will put all of our hard work into practice. So we'll go back into Config Mode, go Config T. First we'll verify that everything is set like we think it is, I've done a little bit of changes in the lab to this. This is as much for me as it is for you. So we'll do, do Show Run Section Route Map. And there's our Route Map exactly as we would expect it. So now since we are Redistributing into OSPF, we'll do Router OSPF 1, and we're going to Redistribute, we are Redistributing EIGRP, EIGRP AS 1234, oop, we're going to say Subnets because we re Redistributing all the Subnets, we're not just Redistributing Summary Routes which they're aren't any in EIGRP so that would mean nothing gets Redistributed. We're Redistributing Subnets and we're going to use a Route Map since we're applying different Metrics and Metric types and all the other nice stuff, we're just going to do the Route Map. So we'll do Route Map and then I'll pull it out of my config over here to make sure I get the name right. Route Map EIGRP to OSPF and there you go, that's the command that makes all the magic happen. Let's look over here into Corp 2 and you'll see we had a very small Route Table there to begin with. If we do a Show IP Route, we now see all of these External Routes, they're being Redistributed via Router 10.10.4.2 which is this guy here, 10.10.4.2 because it's learning it from Router 1. Router 2's learning it from Router 1 and then it's passing it along to Corp 2. You notice that our costs are 100, 200, 255 and they're exactly as we'd expect. We can verify the Tag if we do like Show IP Route 10.10.5.0, we can see Tag 55 type External 2. Right there we can see that the Route Tag is being applied properly. So now that we've applied all this on Router 1, let's go do the same thing on Router 2. So I've got all my config over here. We'll do Config T, we'll right-click and we'll Paste all of this config in to set our Access List and our Route Maps up and now we'll go into the OSPF Process on this guy and we will Redistribute it as well. So Router OSPF 1, we'll do Redistribute EIGRP Process 1234, we're going to do Subnets and we're going to do Route Map and we'll just copy it right from here this time. EIGRP to OSPF and so now let's go look at Corp 2 and check it's Route Table out now. Luckily we don't have a Loop because we're only distributing one way and both of these routers here, both the R1 and the R2 Router are Redistributing the same routes with the same Metric down to the same router. Now if we had a different Metric for this guy over here, because obviously it crosses a WAN Link here, let's say on this router we wanted to manipulate the Metric to say, well the Metric over here is going to be ten higher then we would actually see multiple routes in the Topology Table here on Corporate 2 or in the OSPF Database more accurately. But obviously only the quickest one or the closest one going through 10.100.4.2 would actually be populated into the Routing Table. So we have accomplished objective two which is to configure Redistribution from EIGRP into OSPF. Now we're going to move onto objective three. Now even though we're modifying all of the networks from OSPF into EIGRP the same way, with the same Bandwidth Delay, the same Tag, we still have to set up a Route Map and the reason why is that, I'll, I'll show you the Redistribute Command over here on R1 for example. So we'll Exit from this and we'll do Router EIGRP 1234, we'll do Redistribute OSPF Process 1 and you notice we can set the Metric here, but we can't set the Tag. So if we do Metric and we'll just do 100,100,100 or 199 in that case, 100, 100. You'll notice we can't set the Tag even if we specify the Metric. So since we want to specify both the Metric and the Tag, we have to set up a Route Map that matches everything that specifies the Metric that we've defined and the Tag that we've defined. So again, we don't have to set up an ACL but we still have to go in and do the Route Map. We're going to do OSPF to EIGRP Permit, since we're going to permit everything, we're just going to set Metric and let's look at the commands here. Let's see if I can get both of these on the screen at the same time. Close enough there, so we'll do Set Metric, Bandwidth is 1,000, Delay is 30, Reliability 255, load of 1, MTU of 1500. There's no other Metrics to set and we'll do Set Tag 500. So now we've got the Route Map set up, let's go Redistribute into EIGRP and let's verify that it actually Redistributes as we'd expect. We'll do that in the next video.
|Course:||Implementing Cisco IP Routing (642-902 ROUTE)|
|Duration:||10 hrs / 105 lessons|
|Captions:||Available on CD and Online University|
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