This is Chapter Four of BGP, and in this chapter I'm trying to cover BGP route reflector. As you know, in our previous chapter, we did BGP configuration and we sort of so a topology that we worked on and, and we try to mitigate the split horizon rule. And, and we were pretty much successful in establishing neighbor ship peering with less peer to peer, full mesh peering, using BGP configuration. In this topic, BGP, in this topic, again, we are going to do almost the same exercise but a little bit simpler. BGP route reflector is another method that eliminates Full ibgp full mesh in, in, in an environment. So, the other point about route reflectors is they make it very easily scalable.
Let's say you work in an organization with with four or five routers and the management asks you to implement maybe another four routers and you need to basically configure them. If you have route reflector already enabled, it will be an easy deployment and there is not there is not much peering that you will need to do. So we will look into that in this topology. Again, route reflectors work exactly like the client server relationship in an environment. So if we look at this topology that I prepared, what I will assume is that our two will become our server, it doesn't matter which which router you choose as long as it's it's basically in the middle of all the routers, so I'm choosing our two basically our two will be my my server here and our to establish a relationship with r one, r three and r four.
Now, the idea is really to have r1 establish a relationship with the server. So r one was established in relationship with r two, r three will establish a relationship with r two and r four is again a client it was established a relationship with r three, even though there is no physical connection between them. So we will see how that will work. in this situation so that's that's that another point that I want to say is this is the same topology that we that we worked on from the previous lecture. But in this one I have just eliminated our five totally because that was a separate tournament system router. And we are focusing only within one autonomous system environment here which is 100.
I actually remove the remove the BGP protocol from all these routers So, so we don't confuse things that is removed. And I have also removed the OSPF that was running on those routers based on our previous lecture. So we will connect Now to work on this topology and see how it will, it will behave. And hopefully we will be able to configure all these other servers as all these other routers as clients and one, one router as a server. And the idea is, again, if one client updates the server, the server will will basically update all other clients with the route information that that client was sending to the server and enhance with that, all the clients will have the information of other clients. So this is how we will basically eliminate ibgp for mesh in this environment.
I hope it makes sense. And we will start shortly with the configuration of the routers