Frame relay is a widearea network with the following features. 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. Dec 04, 2011 this article will explain frame relay configuration in cisco packet tracer. Dce is usually a modem, in this case the frs act as the clocking device and hence dce. Configure the framerelay switch interfaces to act as a dce interface using the command framerelay intftype. Configure the interface as a dce interface with the frame relay intftype dce interface configuration command.
Frame relay is a layer 2 wan protocol that cand be configured on physical serial links. Verify the framerelay map statements using the show framerelay map command. The framerelay route interface configuration command is used to route an incoming dlci to an outgoing interface and corresponding outgoing dlci to verify the contents of the frame relay route table, the show framerelay route privileged exec mode command is used. Three primary components make up the frame relay frame. This tutorial explains how to configure frame relay step by step. Configuring frame relay feature history release modification forinformationaboutfeaturesupportinciscoios software,useciscofeaturenavigator. How to configure frame relay in cisco packet tracer. Frame relay frame relay is a highperformance wan protocol that operates at the physical and data link layers of the osi reference model. Taylor, plain talk about frame relay, networking management, january 1992, pp. Framerelay point to multipoint topology as you have already seen we will configure r1 interface as multipoint but r2 and r3 as pointtopoint.
Apr 30, 2020 cours frame relay cisco pdf viewframes co comprehensive guide to configuring and troubleshooting frame relay 11 frame relay configuration free ccna study guide 11 frame relay configuration free ccna study guide 4 2 7m lab configuring frame relay. Configuring a frame relay switch or frame relay cloud. Comprehensive guide to configuring and troubleshooting. The basic frame protocol, which is used in the frame relay is hdlc and the typical speed is higher than the x. Normally you dont really have to think about the framerelay switch since this is something that the service provider will configure. In addition to physical interfaces, you can also configure two types of logical interfaces for frame relay pointtopoint and multipoint. You can verify the configuration using the show framerelay pvc command. Jan 11, 2017 i know that framerelay is seeing his last days, but since some students asked for it here is as sample configuration of the generic cloudpt as a framerelay switch. In certain cases, you may have a working frame relay connection by just using a single command encpsulation frame relay, and leaving everything else to default values. Cbt nuggets trainer jeremy cioara discusses how to configure a frame relay switch. Configuring a cisco router as a frame relay switch cisco. However, cisco frame relay solutions guide is a useful design, implementation, and configuration guide for networking professionals of all levels. Frame relay point to multipoint topology as you have already seen we will configure r1 interface as multipoint but r2 and r3 as pointtopoint.
Note frame relay switching is not supported on subinterfaces. Frame relay is the source of many tricky questions on ccna, ccnp, and beyond. This lab will discuss and demonstrate the frame relay point to point subinterface configuration and. Example configuration for a frame relay network without an lmi. Understanding and configuring frame relay inverse arp. We can verify the configuration of the frsw with show framerelay route command. Read the wikipedia article to learn more about frame relay. Disable frame relay invese arp on r1s serial00 interface and clear the frame relay inverse arp table using the clear framerelay inarp command then verify ip connectivity by pinging r2 and r3. Frame relay switching is supported on the following interface types. Enarsi training frame relay pointtopoint subinterface.
Note that frame relay switching can be configured only on. Routing information protocol rip updates flow every 30 seconds. How to configure frame relay on cisco router technig. We will use figure 2 and table 2 in this section for reference.
Frame relay figure 152 illustrates some of the frame relay terminology used. Create a topology as illustrate in following figure or download this precreated topology. Frame relay is a standardized wide area network technology that specifies the physical and data link layers of digital telecommunications channels using a packet switching methodology. Pdf establishing frame relay connections using packet tracer. Synchronous serial needs clocking for bits to be sent over the serial medium. Try to configure the router 1, 2 and 3 with static routing or rip routing in order to communicate with each others if your lab wont work correctly, download the configured frame relay lab which work perfectly and troubleshoot frame relay. Frame relay is one of the most popular wan service deployed over the past decade. Remove the previous configuration from r1s serial00 interface and create a pointtomultipoint subinterface and configure it with the correct framerelay maps. Configure a frame relay pvc on frsw to switch packets coming from dlci 100 on serial10 to dlci 200 on serial11.
Be sure to change your cabling to reflect the topology diagram. Frame relay configuration isr router configuration frame relay hub router configuration r0 the hub router is configured with two subinterfaces to create a virtual circuit with each spoke. As a ccna candidate you are familiar with the concept of framerelay, although you do not need to configure the framerelay switch. Configuring frame relay linkedin learning, formerly. On cisco routers, two possible frame encapsulations can be configured on. Configure a router as a frame relay switch understand the output of the show framerelay commands learn the effects of the debug framerelay lmi command intentionally break and restore a frame relay link change the frame relay encapsulation type from the cisco default to ietf. Configuring frame relay subinterfaces cisco frame relay.
Originally designed for transport across integrated services digital network isdn infrastructure, it may be used today in the context of many other network interfaces. Step add a generic cloud to the packet tracer topology 2. The basic configuration of frame relay is simple, but the network administrator plans the. Routers a, b, and c are frame relay dtes connected to each other via a frame relay network. Configuring pointtopoint frame relay subinterfaces free. Configure simple frame relay switching point to point. The frame relay labs, unlike any of the other labs in exploration 4, have two dce links on the same router. We will utilize the physical interface for framerelay configuration and as previously mentioned the physical interface is a multipoint interface which can terminate more than one vc. This article will explain frame relay configuration in cisco packet tracer. Thus, if the framerelay switch is configured correctly, the framerelay interfacedlci command could theoretically be removed, and the framerelay connection will still work. Since you are working your way to becoming the ultimate networking guru, you are prepared to do a full frame. Also please notice that there is no ip address configured on the frame relay switch. Even though several advanced technologies such as vpn, atm are available today, frame relay still rocks and will be in near future due to its features, benefits and lower cost in comparison with other point to point wan services. Scenario your isp has provisioned frame relay pvcs for the international travel agency wan.
Use the show framerelay pvc command to verify that frame relay is configured correctly. 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. Enable frame relay switching on frsw using the global command framerelay switching. Figure 104 depicts the basic format of the frame relay frame, and figure 105 illustrates the lmi version of the frame relay frame. Jun 07, 2019 the configuration is completed successfully.
In case of any problem regarding to fram relay configuration on cisco devices, ask your question through. Cisco framerelay switch configuration framerelay requires a framerelay switch that switches one dlci to another, creating a virtual circuit. It includes a bibliography and a set of www sites with information on frame relay networks. In certain cases, you may have a working frame relay connection by just using a single command encpsulation framerelay, and leaving everything else to default values. Since you are working your way to becoming the ultimate networking guru, you are prepared to do a full framerelay config. To configure traffic shaping, use the framerelay trafficshaping command in interface configuration mode. Configuring a pointtomultipoint frame relay wan free. Local management interface lmi message is used to check the status between frame relay dte and dce.
In this post i will configure my lab to use frame relay in a point to point configuration. The remainder of the terms will be illustrated where appropriate throughout this chapter. I know that framerelay is seeing his last days, but since some students asked for it here is as sample configuration of the generic cloudpt as a framerelay switch. Configure the frame relay switching on the interface using the frame relay route command, specifying the incoming dlci, the outgoing interface, and the outgoing dlci. Ppt frame relay powerpoint presentation free to download. Understanding and configuring frame relay inverse arp free.
Users pay fixed charges for the local connections from each site in the frame relay network to the first point of presence pop in which the provider maintains a frame relay switch. Thus, if the frame relay switch is configured correctly, the frame relay interfacedlci command could theoretically be removed, and the frame relay connection will still work. There are circumstances when dlcis should be manually assigned. Welcome welcome back, we are now in the frame relay lab. The frame relay is the packet switched network as well as it may compare with the x. If your verification procedure indicates that your frame relay configuration is not working properly, you need to troubleshoot the configuration. Each rip packet can contain up to 25 route entries, for a total of 536 bytes. Ce protocole est utilise par les fournisseurs dacces pour transmettre des signauxvocaux et numeriques entre reseaux locaux par lintermediaire dun reseau etendu. All router interface had been configured with ip addresses and routing protocol ripv2. Basic concepts of frame relay explained in easy language. Originally designed for transport across integrated services digital network isdn infrastructure, it may be used today in the context of many other network. You can also try this on live routers and other network simulators, but the frame relay switch configuration varies. As the administrator, you are responsible for configuring frame relay among regional offices.
Although frame relay is popular due to its relatively inexpensive nature, it is being replaced in many areas by. On partially meshed frame relay networks, the problem of split horizon can be overcome by using frame relay subinterfaces. Comprehensive guide to configuring and troubleshooting frame relay. The figure below shows the basic frame relay configuration on a cisco router, connected directly to a dedicated frame relay switch, or dce. Each frame relay subinterface is mapped with the dlci number of the corresponding circuit configured in the packet tracer wan emulation cloud. This is a completely different solution than the first frame relay configuration example i showed you in which all devices were in the same ip subnet, and. Before we get started with configuration, lets talk a little bit about what you see in front of you. Both frame relay beginners, who need to understand the technology, and advanced readers, who need information on the wide range of frame relay features cisco offers, will benefit from this book. Ali, frame relay in public networks, ieee communications magazine, march 1992, pp. Frame relay provides a mechanism to allow a physical interface to be partitioned into multiple virtual interfaces.
We can verify the configuration of the frsw with show frame relay route command. A network where all sites are connected with each others via direct link. After configuring your network, its considered a good idea to verify that your configuration is working. Learn how to configure lmi option, dlci number, vc and pcv create. Frame relay is a scalable wide area network solution which makes use of packetmode transmission. You can configure multiple point to point subinterfaces using a single physical frame frame circuit. Use the show frame relay pvc command to verify that frame relay is configured correctly. The frame relay protocol allows network designers to reduce costs by using shared facilities that are managed by a frame relay service provider.
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