Frame relay is an industrystandard, switched data link layer protocol that handles multiple virtual circuits using highlevel data link control hdlc encapsulation between connected devices. Each line describes how to get to other networks using dlcis. At the end of the day, the encapsulated frames look the same on the wire. In this lab we will discuss about ospf point to multipoint nonbroadcast over frame relay, will briefly compare with previously discussed ospf network types and will. Frame relay fragmentation implementation agreement frf. May 28, 2014 everything you need to know about frame relay for the ccna exam and also for the route exam. The previous article on configuring frame relay on cisco packet tracer explains it on a simulator, in this article ill show how a cisco router can be used as a frame relay switch. This guide walks through how to configure frame relay on cisco routers. In many cases, frame relay is more efficient than x. Configuring frame relay dlcis techlibrary juniper networks. This tutorial explains how to configure frame relay step by step. Frame relay configuration having looked at both frame relay concepts and an example of the communication process, lets take a look at configuring a cisco router to use frame relay.
The basic configuration of frame relay is simple, but the network. Ping your own ip address on a multipoint frame relay. Pdf establishing frame relay connections using packet tracer. Frame relay point to multipoint topology as you have already seen we will configure r1 interface as multipoint but r2 and r3 as pointtopoint. I think the last screenshot might need some explaining. Framerelay point to multipoint topology as you have already seen we will configure r1 interface as multipoint but r2 and r3 as pointtopoint. The encapsulation framerelay command is mandatory on the main serial interface before configuring framerelay sub interfaces. Configuring a pointtomultipoint and pointtopoint pvc and having ip connectivity is your goal. Take a good look at the topology before you start configuring.
A network where all sites are connected with each others via direct link. Configuring frame relay feature history release modification forinformationaboutfeaturesupportinciscoios software,useciscofeaturenavigator. The extreme simplicity of configuring user equipment in a frame relay. Interconnecting cisco networking devices part 2 icnd2. And the clock rate is necessary on the dce end of the connection so we have to put it here but in fact not all ios versions require this, you can check or. Physical interface vs multipoint subinterface in cisco frame. Understanding frame relay interface encapsulation, configuring the frame relay encapsulation on a physical interface, configuring the frame relay encapsulation on a logical interface, example. Thoroughly revised and expanded, cisco ios cookbook, 2nd edition, adds sections on mpls, security, ipv6, and ip mobility, and presents solutions to the most common configuration problems, including. Frame relay provides a mechanism to allow a physical interface to be partitioned into multiple virtual interfaces. In this lab youll learn how to configure multiple frame relay pointtopoint subinterfaces terminated by a single multipoint interface at a central office. Aug 12, 2019 the dlci number defines a single virtual connection through the wan and are the frame relay equivalent to a hardware address. Note that by default split horizon rule is in effect on interfaces and eigrp traffic between r2 lan and r3 lan would not be advertisted if we will not disable this rule on r1 s00.
Jun 07, 2019 open the frame relay lab which you have downloaded and configure frame relay the same as screenshot. Try to configure the serial interfaces of the frame relay switch like below screenshot. The figure below shows the basic frame relay configuration on a cisco router, connected directly to a dedicated frame relay switch, or dce. If you use gns3 you can use the simpletoconfigure framerelay switch emulator. Understanding frame relay dlcis, configuring a pointtopoint frame relay connection, configuring a pointto multipoint frame relay connection, configuring a multicastcapable frame relay connection. Verify the framerelay map statements using the show framerelay map command. Understanding frame relay dlcis, configuring a pointtopoint frame relay connection, configuring a pointtomultipoint frame relay connection, configuring a multicastcapable frame relay connection. All router interface had been configured with ip addresses and routing protocol ripv2. Mar 24, 2012 for the love of physics walter lewin may 16, 2011 duration. How to configure frame relay in cisco packet tracer jesins. Configuring a pointtomultipoint frame relay wan free. The definitions for frame relay are contained in documents from the international.
How to configure, verify ppp and basic concepts of frame relay, authentication pap, chap, pppoe, pointtopoint and multipoint frame. A frame relay switch is required for configuring a frame relay network. For an example of configuring frame relay multipoint subinterfaces with dynamic address mapping, see the frame relay multipoint subinterface with dynamic addressing example section. Dec 04, 2011 this article will explain frame relay configuration in cisco packet tracer. Similarly router 1 is configured with serial connectio n ip address 2. Configuring a pointtomultipoint frame relay wan when it comes to the hub and spoke topology, the hub is most commonly deployed with a pointtomultipoint interface.
This type of configuration can be used between hub and spoke sites where you would want to keep the spokes in their own layer 3 subnets. What is frame relay topologies reachability issues frame relay signaling frame relay mapping how to configure frame relay pointtopoint and multipoint frame relay configure pointtopoint frame relay multipoint frame relay configuration how to verify frame relay summary introducing vpn solutions benefits of secure vpns other cisco ssl. Pdf frame relay is a protocol used for connecting devices on a wide. The dlci number defines a single virtual connection through the wan and are the frame relay equivalent to a hardware address. Open the frame relay lab which you have downloaded and configure frame relay the same as screenshot. Consider figure 2, a company lets say abc has purchased frame relay wan service from a provider to connect three of its offices. Configure static address mapping on multipoint subinterfaces. This article is a completion of two previously discussed labs where we talked about ospf multipoint nonbroadcast over frame relay and ospf point to multipoint over frame relay. In previous releases, this required manual assignment in the ospf configuration using the. This capability allows us to overcome split horizon rules. Join lazaro diaz for an indepth discussion in this video, configuring frame relay, part of ccna cert prep. The other dlcis, 102 and 103, are active and associated with their respective subinterfaces.
This is the way the frame relay code works in cisco ios software. Comprehensive guide to configuring and troubleshooting. Frame relay is a scalable wide area network solution which makes use of packetmode transmission. Open vce files convert vce to pdf exam formatter vce mobile tutorial. In this lab we will setup a frame relay point to multipoint topology on cisco routers by using gns3. The frame relay is the packet switched network as well as it may compare with the x. How to configure a cisco router as a frame relay switch. Configuring frame relay pointtopoint subinterfaces lab 030. Download the files the instructor uses to teach the course. Configuring frame relay agh university of science and.
C o n t e n t s widearea networking overview 1 finding feature information 1 frame relay 1 frame relay atm internetworking 4 switched multimegabit data service 4 link access procedure balanced and x. Remove the previous configuration from r1s serial00 interface and create a pointtomultipoint subinterface and configure it with the correct framerelay maps. For the love of physics walter lewin may 16, 2011 duration. Use show framerelay pvc and show framerelay map to troubleshoot connectivity. These are provided typically by an isp, however if you are studying for your ccna exam a foundation knowledge of how these work is required. How to setup frame relay multipoint or static map jared. This command also enables frsw to function as a switch connected to a router. Frame relay is a highperformance wan protocol that operates at the physical and data link layers of the osi reference model. Either r1 or r2 will need to have framerelay switching enabled to act as the framerelay switch. You could configure the spokes with p2p subinterfaces and it would work ok. Configuring static address mapping on multipoint subinterfaces. The following figure illustrates a frame relay frame ansi t1. Packets received on one virtual interface can now be forwarded out another virtual interface, even if they are configured on the same physical interface. Either r1 or r2 will need to have frame relay switching enabled to act as the frame relay switch.
Configuring a framerelay switch is outside the scope of the ccna, ccnp and even the ccie exam. And the second option is by using the multipoint subinterface on s000 of router0 like this. Although frame relay is popular due to its relatively inexpensive nature, it is being replaced in many areas by. This lab will discuss and demonstrate the configuration and verification of multipoint frame relay interfaces. Inverse arp will map the remote ip addresses to the correct dlci. The encapsulation frame relay command is mandatory on the main serial interface before configuring frame relay sub interfaces. Jun 16, 2010 since you are working your way to becoming the ultimate networking guru, you are prepared to do a full framerelay config. Mikkel is talking about a particular aspect of multipoint frame relay interfaces. Configuring frame pointtopoint subinterfaces you can configure multiple point to point subinterfaces using a single physical frame frame circuit. Ciscoios findingfeatureinformation,page1 informationaboutframerelay,page1 howtoconfigureframerelay,page25 configurationexamplesforframerelay,page58 additionalreferences,page80.
This video is part of the ccna complete video course by. Refer to configuring ospf and configuring and troubleshooting frame relay for more information. If you have no idea what framerelay is or what a pvc, dlci or lmi is you should start with my introduction to framerelay first. The first two lines use serial 0 as the starting point. Before we get started with configuration,lets talk a little bit about what you see in front of you.
Frame relay is a layer two protocol that connects networks over long distances. Comprehensive guide to configuring and troubleshooting frame. The clock rate defines the speed on the serial interface. When configuring frame relay i always pick one router and use it as the starting point. Create a topology as illustrate in following figure or download this precreated topology. Configuring frame relay interface encapsulation techlibrary. Configuring and troubleshooting frame relay document id. Ccna podcast there only seems to be one of these, with a date of july2009. Now, as you can see, all these dlcis that are surroundingthe routers, remember those are data link connection identifiers. Frame relay is a wan technology that uses packet switching methodology for communication. It also shows that some packets have actually passed across the pvc. On serial0 of frame relay switch add the following dlci and named with router name or anything you want.
A static map links a specified nexthop protocol address to a specified dlci. Configuring a pointtomultipoint frame relay wan free ccna. The lan connectivity for faster file transfers and interactive sessions are suitable for the frame relay. The show interfaces command displays how the encapsulation is set up, along with useful layer 1 and layer 2 status information, including. A basic understanding of frame relay and ospf configuration. Read the wikipedia article to learn more about frame relay. Nov 02, 2005 frame relay is an industrystandard, switched data link layer protocol that handles multiple virtual circuits using highlevel data link control hdlc encapsulation between connected devices. And he is correct that if you want to be able to ping your own interface, then you must manually configure a frame relay mapping of your own address to one of the dlcis on the interface. After configuring frame relay pvc and you are troubleshooting network issue, verify that frame relay is operating correctly on that interface using the show interfaces interface number command. Next we need to setup the frame relay section of the cloud. Configuring frame relay linkedin learning, formerly.
In this first example, the local management interface lmi. Show information about frame relay and the connections that have been made. Configuring interfaces of many types, from serial to atm and frame relay. Our network in this example is configured as illustrated in the figure below. As mentioned previously frame relay is nonbroadcast multiaccess media, which means that there must be a mechanism for layer 3 to layer 2 resolution. How to configure framerelay pointtomultipoint this time well take a look at the configuration of framerelay pointtomultipoint. Frame relay was conceived as a protocol for use over serial interfaces and was designed for networks with large t1 installations.
Frame relay in ccna ccna ccnp certification handson lab configuring two cisco routers. Ospf point to multipoint non broadcast over frame relay. I thought about how when i did my ccna i focused primarily on getting all the configuratio settings correct and memorizing all the various configuration commands so i could recall them quickly. Everything you need to know about frame relay for the ccna exam and also for the route exam. Configuring pointtopoint frame relay subinterfaces free.
On partially meshed frame relay networks, the problem of split horizon can be overcome by using frame relay subinterfaces. Curriculum 200101 icnd2 interconnecting cisco networking devices part 2 version 2. Study plan cisco ccnp routingswitching 300101 route. Consider figure 2, a company lets say abc has purchased framerelay wan. The type of frame relay interface is just a way of configuring fr. Frame relay allows for a single serial interface on the router to connect multiple remote sites with the help of virtual circuits. You can also try this on live routers and other network simulators, but the frame relay switch configuration varies.
Unlike leased lines, frame relay requires only a single access circuit to the frame relay. In previous lessons i gave an introduction about framerelay and explained how to configure framerelay pointtomultipoint. Wilma wants you to change the configuration to use a multipoint subinterface. Frame relay is a standardized wide area network technology that specifies the physical and.
How to configure frame relay on cisco router technig. Since you are working your way to becoming the ultimate networking guru, you are prepared to do a full framerelay config. Configuring pointtomultipoint ospf over frame relay. They are locally significant and they identify themselvesto the frame relay cloud so it knows where they. Configuring frame relay subinterfaces cisco frame relay. The table below lists the frame relay frame format components illustrated in the figure above. Configuring the encapsulation on a physical interface. This article will explain frame relay configuration in cisco packet tracer.
Pvc, then it is time to start planning the frame relay configuration. As mentioned previously framerelay is nonbroadcast multiaccess media, which means that there must be a mechanism for layer 3 to layer 2 resolution. Packet tracer configuring frame relay pointtopoint. Configuring all of the common ip routing protocols rip, eigrp, ospf, and. The information in this document is based on these software and hardware versions. Ce protocole est utilise par les fournisseurs dacces pour transmettre des signauxvocaux et numeriques entre reseaux locaux par lintermediaire dun reseau etendu. Enarsi training frame relay pointtopoint subinterface. Configuring frame relay subinterfaces ensures that a single physical interface is treated as multiple virtual interfaces. Configuring framerelay multipoint subinterfaces youtube. This chapter describes the tasks for configuring frame relay on the communication server. The basic frame protocol, which is used in the frame relay is hdlc and the typical speed is higher than the x. Configuring a pointtomultipoint frame relay connection 21. For routing traffic between devices will use eigrp routing protocol, we have used 2600 series routers and one frame relay switch.
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