A fr switch acts as dce and the customer equipment works as dte. Frame relay from cisco internet protocols computer. A frame relay switch is required for configuring a frame relay network. To enable frame relay encapsulati on on a pos interface, see the configuring pos interfaces onthe cisco asr 9000 series router module in this manual. In this lesson well take a look at framerelay pointtopoint which is far easier to configure.
Frame relay is a layer two protocol that connects networks over long distances. Configure the lmi type and dlci of virtual circuits on each serial interface of the cloud used for frame relay operation. 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. Pdf establishing frame relay connections using packet tracer.
Frame relay is a type of wan connection use to connect one site to many remote sites through a single physical circuit, this operation makes it easy to construct reliable read more. I have two cisco 2610xm with one of them got a serial nm4as 4 serial ports asyncsync and this would be my frs router. An interface can be pointtopoint which terminates a single vc or multipoint which can terminates more than one vc. 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. Thus, if the framerelay switch is configured correctly, the framerelay interfacedlci command could theoretically be removed, and the framerelay connection will still work. He also explains how to configure a basic frame relay network involving cisco equipment and how to perform basic monitoring and troubleshooting using relevant cisco ios show and debug commands. The extreme simplicity of configuring user equipment in a frame relay.
Cisco framerelay switch configuration framerelay requires a framerelay switch that switches one dlci to another, creating a virtual circuit. How to configure, verify ppp and basic concepts of frame relay. With the rules set the connections between the interfaces of the frame relay switch are done in order to establish a path pvc permanent virtual circuit. A frame relay fr network is shown in the figure below. Frame relay introduction, features, working, history, format of frame relay. Configuring the encapsulation on a physical interface.
Apart from using the physical interface for framerelay, cisco ios includes a feature called logical subinterfaces. An fr network may be considered as a fr cloud that consists of fr switches, and customer nodes. Frame relay user guide for routing devices techlibrary. Frame relay is a wan technology, it is used for communication. Everything you need to know about frame relay for the ccna exam and also for the route exam.
Service providers generally file a tariff with the. Configuring pointtopoint frame relay links free ccna. Frame relay is a popular high performance wan protocol that operates at the physical and data link layers of the osi reference model. Frame relay is an industry standard, shared across, best effort, switch data link layer encapsulation that services multiple virtual circuits and protocols between connected mechanisms. In the same way, it helps to learn how to configure and verify a ppp along with the pap and chap authentication, and ppoe. So with iou i want a frame relay connecting to four other routers in a hub and spoke topology. Physical wan connectivity exists in a packet switching service which is identical to a leased line. Default encapsulation for serial interface is hdlc, so make sure ive issued encapsulation framerelay command dce frame relay switch dte router lmi signaling for framerelay. Configuring frame relay linkedin learning, formerly. Cisco networking services configuration guide, cisco ios. C h a p t e r 10 chapter goals describe the history of frame relay. Frame relay complete free download as powerpoint presentation.
You can go through the basic configuration and verification of the point to point protocol ppp. Frame relay from cisco free download as powerpoint presentation. To demonstrate comunication through frame relay switch we connected to it two end devices routers in our case, we configured them with their ip addresses and prepared to support frame relay encapsulation on interfaces connected to fr switch. Imagine two cisco routers, r1 and r2, using a frame relay service. There are circumstances when dlcis should be manually assigned. You can also try this on live routers and other network simulators, but the frame relay switch configuration varies. The lmi type of cisco was used because the frame relay switch is a cisco frame relay switch. Basic configuration of frame relay in a cisco router is relatively straightforward, partly because cisco ios software uses good default values. Our network in this example is configured as illustrated in the figure below. Notice that the pvc between chicago and toronto is a pointtopoint interface. Nothing too exciting at the moment, but i do want to touch on it.
This video is part of the ccna complete video course by. Point to point frame relay links can be configured in one of two ways. To enable frame relay encapsulation on a multilink bundle interface, see the configuring multilink frame relay bundle interfaces section on page 676. These are different from the leased lines and can be classified as packet switching services. Configure the encapsulation type on r3 to something other than ciscos implementation. See the module configuring voice over frame relay in the cisco ios voice, video, and fax. Form my understanding pointtopoint doesnt need any routing because both ends are in the same sub network but what about multipoint. Frame relay is a wan technology that uses packet switching methodology for communication. Configure frame relay for the cisco ccna part 1 youtube. So to assist you, below we will discuss one of the more difficult ccna concepts. Lab configuring frame relay and subinterfaces topology. Cisco frame relay solutions guide pdf free download. Frame relay is a standardized wide area network technology that specifies the physical and.
There was a major development in frame relay s history in 1990 when cisco systems, stratacom, northern telecom, and digital equipment corporation formed a consortium to focus frame relay. In preparation of your ccna exam, we want to make sure we cover the various concepts that we could see on your cisco ccna exam. See cisco interface description if you need help interpretting the output. You will also configure frame relay pointtopoint subinterfaces. Does it require any routing protocol configuration or framerelay switch at service provider side will t. Frame relay switch on a cisco router for this lab were used 5 cisco routers with ios version 15. Configuring frame relay feature history release modification forinformationaboutfeaturesupportinciscoios software,useciscofeaturenavigator. Keywords wide area network, frame relay cloud, router. The device decodes the format of the reply and configures itself.
Local management interface lmi message is used to check the status between frame relay dte and dce. How to configure a cisco router as a frame relay switch. All frame relay routers are interconnected through a cisco packet tracer cloud device which emulates frame relay circuits. Join lazaro diaz for an indepth discussion in this video, configuring frame relay, part of ccna cert prep. Basic concepts of frame relay explained in easy language. Frame relay is a highperformance wan protocol that operates at the. Can frame relay topology do routing like normal ip routing. Frame relay configuration frame relay for icnd exam. Now that youre familiar with pointtopoint frame relay links lets take a step further and demonstrate how you can have multiple frame relay links on a single router using a single physical interface but multiple subinterfaces to.
This command also enables frsw to function as a switch connected to a router. The data link layer frame relay virtual connection object is bound by its containing termination points attribute to a data link layer frame relay interface object. The former is often used to connect two cisco routers while the latter is used to connect a cisco router to a noncisco router. Of course, you still need to know the optional parameters that are described in this section and the methods of changing the default values. 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. Use the command show framerelay lmi to see the status of this. 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 verify the dce and clock rate with the show. Understanding frame relay interface encapsulation, configuring the frame relay encapsulation on a physical interface, configuring the frame relay encapsulation on a logical interface, example. Framerelay config 128238 the cisco learning network. Normally you dont really have to think about the framerelay switch since this is something that the service provider will configure. This guide walks through how to configure frame relay on cisco routers.
Configure frame relay encapsulation on the s000 interfaces of r2 and r3. The definitions for frame relay are contained in documents from the international. Configuring pointtopoint frame relay subinterfaces. For a complete description of the commands mentioned in this chapter, refer to the frame relay commands chapter in thewidearea networking command reference. Frame relay fragmentation implementation agreement frf. Troubleshoot problems with framerelay circuits on your. It is accessed primarily by a virtual cross connection and data link layer vc encapsulation, but is not bound to them by any of its attributes. Frame relay switch on a cisco router bs networking. When you are connecting a cisco router with a noncisco router, use ietf as the encapsulation method.
Chapter description jonathan chin dicussess basic frame relay operations on cisco routers in a routerbased frame relay network. Work on frame relay was also undertaken in the american national standards institute ansiaccredited t1s1 standards committee in the united states. Frame relay complete packet switching computer network. Pdf now a days the networking area is getting more and more advanced. Troubleshoot problems with framerelay circuits on your cisco router by david davis ccie in networking on july 21, 2005, 12. Table 154 provides details of the framerelay map interface configuration command. In previous lessons i gave an introduction about framerelay and explained how to configure framerelay pointtomultipoint. Read the wikipedia article to learn more about frame relay. Configuring frame relay iv153 final draft cisco confidential con. In this research work different configurations of establishing frame relay connections are analyzed using cisco packet tracer. As part of the big lab i am doing i want to do some work with frame relay. This tutorial explains how to configure frame relay step by step. Frame relay supports two types of virtual circuits vcs. Scribd is the worlds largest social reading and publishing site.
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