Pdf establishing frame relay connections using packet tracer. You can verify the configuration using the show framerelay pvc command. Originally designed for transport across integrated services digital network isdn infrastructure, it may be used today in the context of many other network. The router in the middle will be our frame relay switch. Frame relay is a highperformance wan protocol that operates at the physical and data link layers of the osi reference model. As the administrator, you are responsible for configuring frame relay among regional offices.
Frame relay configuration with examples icnd2 200105. To simulate vcs in packet tracer following steps are required. Voice can be packetized to travel over a frame relay network, often providing significant cost savings with some sacrifice in voice quality, depending on network configuration. It includes a bibliography and a set of www sites with information on frame relay networks. For example, in a hubandspoke configuration, traffic must first travel. Frame relay configuration in packet tracer step by step. Step add a generic cloud to the packet tracer topology 2. Verify router connectivity using extended pings between fastethernet interfaces. Each rip packet can contain up to 25 route entries, for a total of 536 bytes. Example configuration for a frame relay network without an lmi. Cisco framerelay switch configuration framerelay requires a framerelay switch that switches one dlci to another, creating a virtual circuit.
Use the show frame relay pvc command to verify that frame relay is configured correctly. Whatever option we choose here, we have to use the same option at dte serial 000 interface of router. However, you should be familiar with the many configuration options and when they are used. Frame relay protocols and configuration searchnetworking. Site to site where site a as host and etc following site a use isp media partner ip config dns server. It offers lowercost data transfer when compared to typical pointtopoint applications, by using virtual connections within the frame relay network and by combining those connections into a single physical connection at. We will utilize the physical interface for frame relay configuration and as previously mentioned the physical interface is a multipoint interface which can terminate more than one vc. This guide walks through how to configure frame relay on cisco routers. Frame relay is a scalable wide area network solution which makes use of packetmode transmission. Normally you dont really have to think about the frame relay switch since this is something that the service provider will configure. Frame relay connections are created by configuring network routers or other devices to communicate with a service provider frame relay switch. Frame relay is a layer two protocol that connects networks over long distances. Unlike leased lines, frame relay requires only a single access circuit to the frame relay provider to communicate with multiple sites that are connected to the same provider. Each frame relay subinterface is mapped with the dlci number of the corresponding circuit configured in the packet tracer wan emulation cloud.
Frame relay pointtopoint configuration example pointtopoint is the simplest form of frame relay configuration. Cisco frame relay configurations configuring frame relay. Remember that pvcs are only oneway circuits, and thus we need to create two pvcs in order for full communication to occur. Frame relay is the most popular wan technology used today, so its no surprise that frame relay is an important topic on the icnd exam.
This section looks at the configuration commands required to configure basic frame relay operation on a cisco router. Frame relay says, hey, i want to do something with frame relay, it demands the encapsulation frame relay command to be on. Configuration on the detroit and chicago routers would be as follows. Frame relay frame relay is a highperformance wan protocol that operates at the physical and data link layers of the osi reference model. Frame relay configuration examples and technotes cisco. Understanding and configuring frame relay inverse arp free. 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. Basic concepts of frame relay explained in easy language. Comprehensive guide to configuring and troubleshooting. Frame relay protocol headers and trailers are simply used to let a packet traverse the frame relay network, just like ethernet headers and trailers are used to help a packet traverse an ethernet segment. Scenario your isp has provisioned frame relay pvcs for the international travel agency wan.
How to configure frame relay on cisco router technig. Enabling frame relay encapsulation on an interface 33. Normally you dont really have to think about the framerelay switch since this is something that the service provider will configure. Jun 07, 2019 the configuration is completed successfully. Configuring frame relay subinterfaces cisco frame relay. Backtoback frame relay hybrid switching 17nov2007 comprehensive guide to configuring and troubleshooting frame relay 02nov2005 configuration notes for the implementation of eigrp over frame relay and low speed links 10aug2005.
This tutorial explains how to configure frame relay step by step. So we do frame relay map ip, frame relay map ip, lets talk about that for structure. 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. Comprehensive guide to configuring and troubleshooting frame. This chapter describes the frame relay protocol details, along with the associated configuration. Frame relay most closely compares to the osi data link layer layer 2. Whatever option we choose here, we have to use the same option at dte serial. We will use figure 2 and table 2 in this section for reference. If you use 1700, 2500, or 2600 routers, the router output and interface descriptions appear differently. Frame relay is a widearea network with the following features. If you are studying frame relay for cisco exams then you. Configure frame relay on singapore and london using the same command syntax.
Learn how to configure lmi option, dlci number, vc and pcv create. The frame relay is the packet switched network as well as it may compare with the x. On partially meshed frame relay networks, the problem of split horizon can be overcome by using frame relay subinterfaces. Configuring frame relay feature history release modification forinformationaboutfeaturesupportinciscoios software,useciscofeaturenavigator. In many cases, frame relay is more efficient than x. Although frame relay is popular due to its relatively inexpensive nature, it is being replaced in many areas by. 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. Configuring a pointtomultipoint frame relay wan free ccna. Step 3 verify the complete configuration of the full mesh frame relay wan.
Routing information protocol rip updates flow every 30 seconds. The frame relay labs, unlike any of the other labs in exploration 4, have two dce links on the same router. Mar 09, 2015 frame relay is a protocol standard for lan internetworking which provides a fast and efficient method of transmitting information from a user device to lan bridges and routers. Read the wikipedia article to learn more about frame relay.
Aug 12, 2019 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. Remove the previous configuration from r1s serial00 interface and create a pointtomultipoint subinterface and configure it with the correct framerelay maps. The three wan topologies used to interconnect remote sites are star, partialmesh, and fullmesh. 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. Frame relay provides a mechanism to allow a physical interface to be partitioned into multiple virtual interfaces. Frame relay allows for a single serial interface on the router to connect multiple remote sites with the help of virtual circuits. Remember that pvcs are only oneway circuits, and thus we need to create. 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. The following figure illustrates a frame relay frame ansi t1. Local management interface lmi message is used to check the status between frame relay dte and dce. Be sure to change your cabling to reflect the topology diagram.
Depending on the topology of a customers frame relay network, packets traveling over a frame relay network may experience high latency relative to ip networks with anytoany connectivity. The frame relay, frame relay lmitype, and frame relay inversearp commands are used to configure frame relay. 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. 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. You can verify the configuration using the show frame relay pvc command. Frame relay is the source of many tricky questions on ccna, ccnp, and beyond. After configuring your network, its considered a good idea to verify that your configuration is working. You can also try this on live routers and other network simulators, but the frame relay switch configuration varies. The frame relay map command is used to configure static addresstodlci tables. Frame relay was conceived as a protocol for use over serial interfaces and was designed for networks with large t1 installations. The service provider configures the frame relay switch, which helps keep enduser configuration tasks to a minimum.
Frame relay is one of the most popular wan service deployed over the past decade. This can be accomplished by using the ping and other troubleshooting methods. On cisco routers, two possible frame encapsulations can be configured on. The basic frame protocol, which is used in the frame relay is hdlc and the typical speed is higher than the x. Frame relay requires a frame relay switch that switches one dlci to another, creating a virtual circuit. Frame relay was one of the most extensively used wan protocols, primarily because it was. If your verification procedure indicates that your frame relay configuration is not working properly, you need to troubleshoot the configuration. A basic setup involving the hardware configurations depicted in figure 41 is used for this discussion and for illustration purposes.
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