Category: Lab 10 configure and verify ospf routing

Lab 10 configure and verify ospf routing

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The IS-IS is another link-state dynamic routing protocol, which is more common in large service provider networks. The most widely used exterior gateway protocol is the Border Gateway Protocol BGPthe principal routing protocol between autonomous systems on the Internet. Good, the basic configuration has competed and now start configure OSPF routing protocol on this network.

OK, OSPF routing configuration has been finished successfully, now test your network whether they can ping with each other or not.

In my Lab they work perfect, you can download and see the result. OSPF configuration in packet tracer. OSPF basic configuration. OSPF routing protocol configuration pdf. An IT Pro, here is my online knowledge sharing platform.

I would like to write and share my experience for computer enthusiasts and technology geeks. Just a suggestion, but I connected another serial between R2 and R3 using This allowed me to shut down a serial interface on any of the serial links and witness OSPF topology update accordingly to take another path, then watch again as I no shut the interface. This might be a good thing to add to the lab? Everyone can add and change the lab whatever they want.

In fact, you do not advertise internet by this command : R1 config router ospf 1 R1 config-router network Here, you include internet on your area 0. I think the right configuration to do here, is to do a default static route on R1 and share it to the others by ospf like that :. Thank you…. Leave A Reply Cancel Reply. Save my name, email, and website in this browser for the next time I comment.

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More. Articles CCNA. By Shais On Apr 25, 8. Router 1: Do the basic configuration of your routers, switches and computers. Set the IP address for each interface the same as a screenshot.

The diagram is classless IP addresses and sub-netted to many networks. Router Commands. You might also like More from author. CCNA Security. Prev Next. Chris says 4 years ago. Shais says 4 years ago. Eph says 4 years ago. SteM says 3 years ago. Joy says 2 years ago. Shais says 2 years ago. Hi, You can use the student edition of Packet Tracer. Leave A Reply.All rights reserved. This document is Cisco Public Information. Page 1 of 24 Lab The segments of the network have been subnetted using VLSM.

OSPF is a classless routing protocol that can be used to provide subnet mask information in the routing updates. This will allow VLSM subnet information to be propagated throughout the network. In the second scenario, you will learn to configure OSPF on a multi-access network. Page 3 of 24 Task 1: Prepare the Network.

Step 1: Cable a network that is similar to the one in the Topology Diagram.

lab 10 configure and verify ospf routing

You can use any current router in your lab as long as it has the required interfaces shown in the topology. Note: If you use, or routers, the router outputs and interface descriptions will appear different.

Step 2: Clear any existing configurations on the routers.

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Task 2:Perform Basic Router Configurations. Perform basic configuration of the R1, R2, and R3 routers according to the following guidelines: 1.

Configure the router hostname. Disable DNS lookup. Configure a privileged EXEC mode password. Configure a message-of-the-day banner. Configure a password for console connections. Configure a password for VTY connections.Network Time Protocol NTP synchronizes the time of day among a set of distributed time servers and clients. While there are a number of applications that require synchronized time, this lab will focus on correlating events that are listed in the system log and other time-specific events from multiple network devices.

An NTP server usually receives its time from an authoritative time source, such as an atomic clock attached to a time server It then distributes this time across the network. NTP is extremely efficient; no more than one packet per minute is necessary to synchronize two machines to within a millisecond of each other.

Cisco devices can be configured to refer to an NTP server to synchronize their clocks. This is important to keep time consistent among all devices.

Note : When working on physical routers, allow a few minutes before R1 and R2 clocks are synchronized. Share Tweet Share Pin it Reddit.

Related Articles. This comment form is under antispam protection. You are going to send email to. Move Comment.Activity Verify the conf igurations. Introduction: In this lab activity, you will use the topology for this chapter. OSPF routing will be used as the routing protocol. The IP addressing is already conf igured. NOTE: The console and telnet passwords are set to cisco and the enable passwords are set to class for each router. Task 1: Verify connectivity to next hop device.

You should NOT have connectivity between end devices yet. However, you can test conne ctivity between two routers and between an end device and its default gateway. Step 1. Step 2. Consider the networks that need to be included in the OSPF updates that are sent out by the R1 router. What directly connected networks are present in the R1 routing table? What comman ds are required to enable OSPF and include the connected networks in the routing updates?

Are there any router interfaces that do not need to send OSPF updates? What command is used to disable OSPF updates on these interfaces? Consider the networks that need to be included in the OSPF updates that are sent out by the R2 router. What directly connected networks are present in the R2 routing table?

lab 10 configure and verify ospf routing

Are there any router interfaces that do n ot need to send OSPF updates? Consider the networks that need to be included in the OSPF updates that are sent out b y the R3 router.

What directly connected networks are present in the R3 routing table? Are there any router interfaces that do not need to send OSPF updatest? Task 5: Verif y the configurations. Answer the following questions to verify that the network is operating as expected. From PC1, is it possible to ping PC2?

From PC1, is it possible to ping PC3? If either of the abo ve pings failed, check your configurations. Issue the show ip protocols command on each router. What is the router ID of each router? Is each router routing its directly connected networks? Which routers are listed as sources for routing information? Thumbnails Document Outline Attachments. Highlight all Match case.

lab 10 configure and verify ospf routing

Toggle Sidebar. Zoom Out.I will Give you some basic overview about OSPF and then will provide the details of these configuration by practically configuring a lab. In following figure there are the three routers with the following specification or required configurations:. Configure and create the above lab in packet tracer and complete the IP configuration with following configurations:.

IP Routing: OSPF Configuration Guide

On the router, enter the global configuration mode and configure the hostname as shown in the chart. Then configure the console, virtual terminal and enable passwords.

lab 10 configure and verify ospf routing

Next configure the interfaces according to the chart. Assign the IP address, subnet mask and gateway. Each workstation should be able to ping the attached router.

For more details you can watch this video:. Configure an OSPF routing process on all routers. Use OSPF process number 1 and ensure all networks are in area 0. For example on router0 you have the networks Router0 conf t Router0 config router ospf 1 Router0 config-router network Router1 conf t Router1 config router ospf 1 Router1 config-router network Router2 conf t Router2 config router ospf 1 Router2 config-router network For this you have enter the interface mode and then run the commands in following way.

Show ip route command will display all the OSPF routes including the networks which are not connected to router. See the following multi-area OSPF topology:. In this example we have two OSPF areas that is area 0 and area 2.

Activity 11.2.6: Configure and Verify OSPF Routing

According to network diagram, routers R3 is in the area 0. But configurations of router R4 is as following:. R4 conf t R4 config router ospf 1 R4 config-router network You really helped. Save my name, email, and website in this browser for the next time I comment.It is an open standard link state routing protocol. It uses cost metric to calculate the best route from source to destination for a given network. It supports unlimited number of hops and typically used for large networks such as Internet.

However, following link will give provide you the basis concept and features that you must know about OSPF. We assume that the IP address configuration is already configured on each router as per the following table.

Please have a look at the following figure that we will use to configure and test the OSPF configuration. Understand clearly which interfaces are connected to which areas and what IP addresses are configured on them. Execute the show ip interface brief command on each router to verify the IP configuration. Once you verified the IP configuration on each router, proceed next to perform this exercise.

Note: You can define an area number either in the decimal format or in the IP address format. For example, the area number 20 could be defined as 20 in the decimal format or as 0. Once, you have configured OSPF on all the routers, now it is time to test and verify your configuration. To verify and test the OSPF configuration, execute the following commands on any router and review the output of each command. All of the following commands are self-explanatory.

To test the connectivity between all the devices in the loaded topology, execute the ping Close Packet Tracer without saving any configuration in the Routing Topology file.

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Lab 11.6.1: Basic OSPF Configuration Lab

You are going to send email to. Move Comment.If not then to summarize it all up for you in a pretty little nut shell; mutual route redistribution is the process where two dynamic routing protocols exchange their routes with each other. Mutual route redistribution is a common remedy when companies acquire other companies that use different routing protocols. After the acquisition, the CTO Chief Technology Officer Mandates that there be full network communication between the newly merged companies.

When specifying a metric keep in mind if you have multiple routers performing mutual redistribution you may need to have a higher metric on one router then the other to prevent a routing loop; this is where packets just keep going in circles between the two autonomous systems.

When you redistribute into OSPF; following the metric you must specify rather or not you wish to redistribute the subnets of the source routing protocol by specifying subnets after the metric.

In some cases this may work fine, however in other cases it may cause total mayhem in your network. Objective 1. Ensure that these loopback interfaces participate in OSPF with their configured subnet mask and not a host mask. Objective 2. Objective 3. Objective 4. Objective 5. Create four new loopback interfaces on R1 using the Create four new loopback interfaces on R5 using the Verify on R1 and R5 that routes from the opposite autonomous system exist in their routing table.

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