As you can see, all the normal ospf network interface types are there. First of all, we will configure the routers interfaces. Ospf employs a hierarchical network design using areas. C is not correct because ospf neighbor relationship is not established based on static routing. Router a should see routes for and be able to ping the loopback interface on router c and vice versa. Learn ospf configuration commands, ospf show commands, ospf network configuration process id, network id, wild card mask and area number and ospf routing in detail. Because of the limited numbers of commands available on packet tracer, we will practice a very basic configuration for our bgp config example. Configure loopback addresses for open shortest path first ospf stability. In the router r1 configure osfp routing with router ospf command. This is a basic labs regarding ospf single area configure related to ccna or icnd12 exam. Ospf open shortest path first is a popular linkstate routing protocol.
After that we will configure ospf as our routing protocol. Apart from being a linkstate protocol, it is also an open standard protocol. You may have realized that you cannot run eigrp in a. Verifying and monitoring ospf configuration techlibrary. Routing protocol packets are sent with type of service tos of 0. How to configure a rip routing protocol with a simple toplogy in gns 3 to check the connectivity between hosts. Next, you need to define on which interfaces ospf will run and what networks will be advertised. Ospf adheres to the following link state characteristics. Ospf routing ubiquiti networks support and help center. Bgp version 4 bgpv4 is the current standard deployment. Openshortestpathfirst ospf is the most widely used interior gateway protocol routing protocol on the world because it is a public nonproprietary routing protocol while its biggest rival, eigrp, is a cisco proprietary protocol so other vendors cant use it edit. Verifying an ospf configuration, tracing ospf protocol traffic, example. It is time to take a look to configuring ospf open shortest path first with an ospf configuration example.
The router ospf processid command is the beginning of any cisco ios ospf configuration. The main difference here is that a linkedstate protocol does not send its routing table in the form of updates, but only shared its connectivity configuration. Configuring a dynamic routing protocol eigrp for connecting different networks. This time, well take a look how you can configure multi area ospf. This document describes how to configure the open shortest path first ospf link state routing protocol for multiarea adjacency. Routing protocol is ospf 1 outgoing update filter list for all interfaces is not set incoming update filter list for all interfaces is not set router id 192. Create a topology like this and do basic configurations ip address to the router interfaces,ip address and default gateway to the host same as in topology. This tutorial explains how to configure ospf routing protocol step by step with practical example in packet tracer. Just like with other routing protocols covered so far rip, eigrp first you need to enable ospf on a router. How to configure a rip routing protocol with simple two. Les principales caracteristiques du protocole ospf sont les suivantes. Dans cette video, nous allons apprendre comment configurer le protocole ospf sous packet tracer.
Good, the basic configuration has competed and now start configure ospf routing protocol on this network. Open shortest path first ospf routing protocol dummies. E is not correct because configure eigrp on these routers with a lower administrative distance will force these routers to run eigrp, not ospf. Configuration dospfv2 et ospfv3 en cisco ios cisco. How to configure ospf routing protocol using cisco packet. Configuration d ospf sur les routeurs supprimer toutes les routes statiques des routeurs no ip route 196. Border gateway protocol border gateway protocol bgp bgp is a standardized exterior gateway protocol egp, as opposed to rip, ospf, and eigrp which are interior gateway protocols igps. This ospf lab is created in packet tracer and you will learn the ospf single area configuration from this lab. Distance vector protocol link state protocol ospf operation. In following figure there are the three routers with. Ospf will form neighbor relationships with adjacent routers in the same area. Overview readers will learn how to configure the open shortest path first ospf routing protocol on an edgerouter. 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. Routers will exchange pieces of information called lsas link state advertisement in order to build a complete topology database which we call the lsdb link state database.
Open shortest path first ospf is the first linkstate protocol that you will learn about. In our example, we will examine the figure below deeply. Please refer the beginning of this lesson to view the open shortest path first ospf protocol configuration. Five types of ospf routing protocol packets hello packet type 1 database description packet type 2 linkstate request packet type 3 linkstate update packet type 4. Ospf is an open standard protocol, you learn more why we use ospf and ospf quiz from here. By collecting connectivity information from all of the devices on the network, ospf. Ospf with three routers the physical topology is as shown in fig 18. In this article we will see how to configure ospf step by step.
A number of different cisco ios ospf configuration commands are available, but at its most basic, ospf configuration uses three commands. In this article we will learn about the ospf routing protocol. Eigrp has become a public routing protocol since 20. The lab is ready for routing, download and configures ospf routing with the following step by step guide.
In my introduction on ospf i explained why we sometimes use multiple areas for ospf and in our configuration example, i showed you how to configure ospf for a single area. Configuration du routage dynamique rip ospf routage. Please refer the beginning of this lesson to view the open shortest path first ospf protocol configuration ios commands. Here we assume that all the interfaces including loopback interfaces, their speed, duplex and descriptions have been configured. Open shortest path first ospf is a linkstate routing protocol, rather than a distance vector protocol. Beside this, i will add some additional cofiguration steps that is needed for ibgp but we can not. Ospf with multiarea adjacency configuration example cisco. Ospf open shortest path first ospf is a standardized linkstate routing protocol, designed to scale efficiently to support larger networks. This is done by using the router ospf processid global configuration command. To understand bgp border gateway protocol better, we will make a basic packet tracer bgp configuration example.
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