C h a p t e r 15 frame relay frame relay is a layer 2 data link widearea networking wan protocol that operates at both layer 1 physical and layer 2 data link of the osi networking model. A virtual circuit in frame relay is identified by a number called a data link connection identifier dlci. Maybe these terminologies of frame relay are difficult to understand so we will explain them in more detail in this article. All locations plug into the frame relay cloud, which is a conglomeration of dozens or hundreds of framerelay switches and routers. We know how to get to the neighbor over the layer 2 frame relay network because you will have used one of the commands below to relate the layer 2 addressdlci with the layer 3 address of the neighbor.
Hdlc, ppp, and framerelay by david davis in cisco intermediate. Guia exhaustiva al configurando y troubleshooting frame relay. Jun 21, 2012 your company is connected to the internet, isnt it. Configuring frame relay feature history release modification forinformationaboutfeaturesupportinciscoios software,useciscofeaturenavigator. Why do you sometimes see the following multipoint subinterface command. 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. This article will explain frame relay configuration in cisco packet tracer. Configurando uma rede wan com o protocolo frame relay. Fcs frame check sequence verifica a integridade do frame 10. Ce protocole est utilise par les fournisseurs dacces pour transmettre des signauxvocaux et numeriques entre reseaux locaux par lintermediaire dun reseau etendu. Pdf this article analyzes the main featutes fa be considered implementing the backbone 01 a company.
This tutorial explains how to configure frame relay step by step. First, we briefly describe the structure and functionality of the. Although frame relay internetworking services were initially designed to operate over integrated. How to configure frame relay in cisco packet tracer. Frame relay allows for a single serial interface on the router to connect multiple remote sites with the help of virtual circuits. Thus, in general, framerelay is less expensive than dedicated wan lines, but customers are not guaranteed bandwidth. Pdf security protocol for frame relay researchgate. The reason is so that you can have multiple multipoint interfaces using only 1 physical interface. So what wan protocol do you use to connect to the internet. Frame relay originally was designed for use across integrated services digital network isdn interfaces.
Read the wikipedia article to learn more about frame relay. Today, it is used over a variety of other network interfaces as well. You can also try this on live routers and other network simulators, but the frame relay switch configuration varies. Curso 145 explicacion protocolo frame relay gustavo lobato clara. Frame relay is a packet switched communication service from lans local area network to backbone networks and wans. Frame relay providers use a frame relay switch to route the data on each virtual circuit to the appropriate destination. Frame relay from cisco free download as powerpoint presentation. 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. Usually, dlcis 0 to 15 and 1008 to 1023 are reserved for special purposes. Rede matrizfilial hub and spoke com o simulador packet tracer 5.
How to configure frame relay in cisco packet tracer jesins. Curso 145 explicacion protocolo frame relay duration. Your company is connected to the internet, isnt it. The diagram below of an hdlc frame may be familiar, since without adding specific definitions of how the address, control and crc is used, the diagram is applicable to ibms sdlc, to x. Frame relay from cisco internet protocols computer. In fact, you can think of frame relay as a way of utilizing existing t1 and t3 lines owned by a service provider. Engage your students during remote learning with video readalouds. Frame relay fragmentation implementation agreement frf.
Although frame relay is popular due to its relatively inexpensive nature, it is being replaced in many areas by. This chapter focuses on frame relay s specifications and applications in the context of wan services. The cloud is the frame providers network, and the customer has no control or even. Dlci values typically are assigned by the frame relay service provider for example, the telephone company. Originally designed for transport across integrated services digital network isdn infrastructure, it may be used today in the context of many other network. Curso 145 explicacion protocolo frame relay youtube.
Scribd is the worlds largest social reading and publishing site. Originally designed for transport across integrated services digital network isdn infrastructure, it may be used today in the context of many other network interfaces. Data is sent in hdlc packets, referred to as frames. Frame relay terms and concepts 379 figure 152 frame relay terminology, part i frame relay components frame relay wan service comprises four primary functional components. Frame relay from cisco internet protocols computer networking. Dec 04, 2011 this article will explain frame relay configuration in cisco packet tracer. Frame relay is a layer 2 protocol and commonly known as a service from carriers. Pdf redes convergentes tecnologias e protocolos goncalo. Chances are, that if you have a t1 leased line to the internet or a private network between locations, you use one of these 3 wan protocols. Frame relay is a scalable wide area network solution which makes use of packetmode transmission. Frame relay is a standardized wide area network technology that specifies the physical and. Configure frame relay for the cisco ccna part 1 youtube. Frame relay is an example of a packetswitched technology. Frame relay is a popular high performance wan protocol that operates at the physical and data link layers of the osi reference model.
E considerado o precursor do protocolo frame relay. Pdf this paper considers the protection of traffic using the frame relay service. Frame relay is a synchronous hdlc protocol based network. May 05, 2011 configure frame relay for the cisco ccna part 4 duration. Data link connection identifier dlci of the dlc to use to deliver the frame.
Video over frame relay repositorio digital epn escuela. Most telephone companies now provide frame relay service for customers who want connections at 56 kbps to t1 speeds. Configure frame relay for the cisco ccna part 4 duration. Lets explore the differences and similarities of these protocols.
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