I have added over 20 lectures in this almost covered all of its aspects. In this lab, you will set up a network that utilizes ospf as its routing protocol. Overview in lab 6 we discussed rip, which is the canonical example of a routing protocol built on. In lab environment we need not to worry about this value. This is part 1 of 2 ccna labs that will show you how. This tutorial explains how to configure ospf routing protocol step by step with. Ospf exchanges hello packets to discover, establish and maintain neighbor adjacencies between routers. He was the recipient of the 2012 outstanding teacher of the year by the ohio association of. The ospf lab included stub areas, summarization, virtuallinks, authentication etc. Ospf adheres to the following link state characteristics. Ospf employs a hierarchical network design using areas. Well demonstrate how process id is a factor in the create area process, how to calculate and apply wild. Bookmark file pdf ccna 2 lab ospf answer ccna 2 lab ospf answer.
The open shortest path first ospf protocol, defined in rfc 2328, is an interior gateway protocol used to distribute routing information within a single autonomous system. Ccnp route lab 37, ospf case study topology objectives plan, design, and implement the international travel agency network shown in the diagram and described below. Configuring basic ospf routing lab continued ospf objectives. State exstart, ospf state exchange, ospf state loading and ospf state full. Ospf is a widely used protocol in campus, data center and even in service provider environments. First, configure loopback interfaces to provide stable ospf router ids. How to configure ospf routing protocol using packet tracer. In the video solution, to make r3 the dr on the 34 link, you increased the priority on r4s interface to 200. Each ospf enabled router must be uniquely identified in the network based on its router idrid. Lab objective setup an ip addressing scheme on all the devices according to above table.
We are coming again, the further collection that this site has. Overview in lab 6 we discussed rip, which is the canonical example of a routing protocol built on the distancevector algorithm. Implementing ospf openshortestpathfirst ospf isaninteriorgatewayprotocoligpdevelopedbytheospfworking groupoftheinternetengineeringtaskforceietf. Interconnecting cisco networking devices, part 1 volume 1 version 2. Once a given node has a complete map for the topology of the network, it is able to decide the best route. The loopback 0 ipv4 access is the ospf router id on each router. Students who dont have a partner configuring pod 2 cut and paste the following files into the relevant pod 2 switches, dsw2lab2.
Topology overview actual troubleshooting lab design is for below network design. Backgroundpreparation cable a network similar to the one shown in. The purpose of this lab is to configure ospf on all the devices and test for ping and trace commands. In the last lab we configured some static routes to forward packets between. Ospf process id 1 is running between r1, r2, r3, r4. Some of my colleagues at work have completed it and said they feel like it really helped them beef up their skills. This lab is very much task driven and requires you to complete the. Instead of attaching a server to r2, you can configure a loopback interface on r2 to use the ip. Configuring these before adding networks in ospf will ensure that drbdr is influence at the first go without having to restart ospf process later. Open shortest path first open shortest path first ospf is an openstandard link state routing protocol.
Ccna routing lab workbook, where you can find all routing topics with lab. 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. Apr 25, 2015 the router ospf command enables ospf routing on the router, and the 1 before osfp is the process id of the osfp protocol. Ccna lab manual router infotech, confidential document only for internal circulation page 8 172. The benefits of static routing is minimum bandwidth usage, no overhead on router cpu and many more and perfect for small network with a few routers.
D eigrp, ex eigrp external, o ospf, ia ospf inter area n1 ospf nssa external type 1, n2 ospf nssa external type 2 e1 ospf external type 1, e2 ospf external type 2. Ideally, you perform this lab in a lan environment that connects to the internet. Each lab is written to help you understand the technologies necessary to pass the icnd1, icnd2 andor the ccna exam. In this lab we will learn to configure multi area ospf using cisco packet tracer. The purpose of this module is to construct the workshop lab and introduce everyone to the. The website was founded in late 2009 with the goal of providing free cisco ccna labs that can be completed using the gns3 platform. For each lab neil provides a link to a download of a lab startup file for each exercise. When a link state router begins operating on a network link, information associated with that logical network is added to its local link state database lsdb. Ospf open shortest path first ospf is a standardized linkstate routing protocol, designed to scale efficiently to support larger networks.
After ospf is enabled, tune the update timers and configure authentication. You can set different process id from 165535 for each router. This is a scrap book that will operate you even supplementary to archaic thing. Ospf lab for this lesson we create areas with a specific group of routers and show you how to applyconfigure the components required to build an area.
The router ospf 1 command given in the lab below selects ospf as the routing protocol. The lab exercises portion of this chapter includes all the online curriculum labs as well as a comprehensive lab and a challenge lab to ensure that you have mastered the practical, handson skills needed about singlearea ospf. Netsim for ccna includes labs for the 100105 icnd1 and 200105 icnd2. N1 ospf nssa external type 1, n2 ospf nssa external type 2 e1 ospf external type 1, e2 ospf external type 2, e egp. Section 20 ospf part iv vlans, accesslists, and services section 21 vlans and vtp section 22 accesslists. Refer to the router interface summary table at the end of this lab for the. This course is all about practical implementation of ospf commands and its features. While working on my ccnp route i came across a very interesting lab which involved almost all the basic and advanced configuration of ospf. Well look at router 9 as our example to complete this. Beware that this ccna lab was originally so long, that i had to break it down into 2 parts. Ospf nssa not so stubby area ospf md5 authentication rotating key. The netsim network simulator provides labs designed to help you achieve the ccna certification. Lab 1 basic eigrp configuration r1 r2 e 0 s 020 s 0 e 0. Oct 29, 20 page 2 of 10 learning objectives upon completion of this l ab, you will be able to.
This file loads either gns3 or packet racer, so you can be up and running very fast. Place each interface on your router into the area specified by the diagram. All routers are running ipv6 ospf routing with process id number 100. Cisco ospf practical labs 2020 basic to advanced udemy. Configure and create the above lab in packet tracer and complete the ip configuration with following configurations. Ospf will form neighbor relationships with adjacent routers in the same area. Internetwork experts ccnp lab workbook is designed to be used as a supplement to ines ccnp bootcamp classondemand, the ultimate allinone solution for engineers pursuing the cisco certified network professional. Refer to the topology diagram for information about the ospf areas. Page 2 of 10 learning objectives upon completion of this l ab, you will be able to.
It can be used as a verification point for the first scenario as well. Place loopback interfaces in whatever area makes the most sense. Troubleshooting lab challenge 1 ospf july 25th, 2015. Ospfopen shortest path first configuration in cisco. The ospf also has a good amount of weightage on the certification exam. This topology includes multiarea ospf with area 0 as the hq backbone for the enterprise network and other ospf areas or ripeigrp domains acting like remote branches. Configure and cable the serial and ethernet interfaces as indicated in. Complete packet tracer lab for ccna exam preparation technig. Ospf configuration step by step guide computernetworkingnotes. Challenge ospf configuration lab instructor version. Then configure the ospf process and enable ospf on the appropriate interfaces. Well look at router 2 as our example to complete this. In the edit ip dynamic routing window enter ospf process id 1 and click add button to add a network. There should be no ospf or bgp running in the lab network.
With its fast convergence and scalability, ospf is well suited for multivendor. In below network topology diagram you can see there are two area area 0 and area 1. Before configuring ospf globally, configure routere with an ospf priority of 0 and routerd with a priority of 10 to complete item 4 and 5 in the list. Open shortest path first a routing protocol based on the linkstate algorithm objective the objective of this lab is to configure and analyze the performance of the open shortest path first ospf routing protocol. Configure and verify open shortest path first ospf routing. This paper examines how ospf works and how it can be used to design and build large and complicated networks. They have contacted you to resolve the issues and return the network to full functionality. Ospf is known to be a notsoeasy protocol to manage and implement thats the reason this course has been introduced. The lab exercises here can be used on their own or as a complement to my cisco ccna 200125 complete course. Create an efficient vlsm design given requirements assign appropriate addresses to interfaces and document cable a network according to the topology diagram erase the startup configuration and reload a router to the default state configure routers including ospf. Oct 11, 2017 the objective of this lab exercise is for you to learn and understand how to enable ospf using more than one area. If you configure the first scenario correctly you can continue using that packet tracer file. N1 ospf nssa external type 1, n2 ospf nssa external type 2.
This paper examines how ospf works and how it can be used to design and build large and. A complete guides to configure static routing that network administrator need to configure the network routers manually instead of using routing protocols, rip or ospf. This lab assumes that you are using windows nt2000xp. I have used gns3 tool to run all of the labs in ospf its very easy for you to practice and rehearse all of its labs. Ospf configuration in packet tracer lab with pdf networking. Why are some ospf routes in the database but not in the.
Ccna gre tunnel lab pdf, packet tracer blank complete, text configs hello guys. Modify ospf cost metric on an interface theory the open shortest path first ospf protocol is a linkstate, hierarchical interior gateway protocol igp for network routing. The pcs receive ip addressing from dhcp later in the lab. Free cisco ccna lab guide pdf from neil anderson esx. In 2008 free ccna workbook originally started as a sharable pdf but quickly evolved into the largest ccna training lab website on the net.
A set of labs showing the operation of the ospf routing protocol in. First assign ip address on each interfaces as show in above diagram. Lab setup for eigrp, ospf, path control the above diagram will be used for studying all eigrp, ospf and path control concepts in the ccnp route 642902 curriculum. Verify that all configurations are operational and functioning according to the guidelines. After successfully completing the previous lab you are now ready to implement some additional technologies.
To truth your curiosity, we allow the favorite ccna 2 lab ospf answer book as the choice today. The information in this document was created from the devices in a specific lab environment. Lab 77 configuring rip default information originate. Configuration requirements 1 configure ipv6 default route on router hq with default gateway as 2001. Link state routing protocols advertise the state of their links. This would actually make r4 win the election, since the router with the highest ospf priority on a segment will become the dr for that segment. Good thing is i will be adding more videos and lectures so that students get the complete benefit out of this. How to configure multi area ospf lab in cisco packet. Ccna gre tunnel lab pdf, packet tracer blankcomplete.
Ospf is a linkstate protocol that use area hierarchy to reduce the memory usage and cpu processing to achieve faster convergence. This lab uses cisco 1841 routers with cisco ios release 12. The ospf lab is normally conducted after completing the static routing exercise. Note that you can also use your own physical lab as each exercise has a lab topology diagram. 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. This tutorial explains how to configure ospf routing protocol step by step with practical example in packet tracer. Well demonstrate how process id is a factor in the create area process, how to calculate and apply wild card bits and the importance of area ids in this process.
This is nondestructive lab that you can perform on any host without changing the system configuration. Now you have to configure ospf such that devices in area 0 can easily communicate with devices in area 1. A common problem when using open shortest path first ospf is routes in the database dont appear in the routing. Lab 71 configuring routing information protocol rip lab 72 configuring rip versions 1 and 2. Configuring the ospf routing process objective setup an ip addressing scheme for ospf area 0. I spent quite a bit of time making this lab back when i was studying for my ccna. When configuring multiarea ospf, it is imperative to remember that all areas must be connected to the ospf backbone area, which is area 0. Oct 22, 2017 ospf is an interior gateway protocoligp which helps in identifying the shortest path and communicating via that link. Oct 08, 2019 all routers are running ipv6 ospf routing with process id number 100.
An engineer has edited the network configuration and now their users are experiencing network issues. There is a certain dependency between the labs as the exercises progress. It will help you to do practice at home on ccna routing topics. In this lab, you will configure eigrp for the topology and networks shown above. The objective of this lab exercise is for you to learn and understand how to enable ospf using more than one area. Jun 11, 2019 lab objective setup an ip addressing scheme on all the devices according to above table.
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