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. Lans local area networks wans wide area networks a lan is generally a highspeed network that covers a small geographic area, usually contained within a single building or campus. The rj48 and rj45 look the same, but the pinouts are different. Frame relay and atm multiple choice questions and answers mcq pdf covers the below lists of topics. Data communication and computer networks notes pdf dccn pdf notes. All locations plug into the frame relay cloud, which is a conglomeration of dozens or hundreds of framerelay switches and routers.
Virtual circuit switching multiple choice question and answer. Split horizon is preventing successful routing table updates on the multipoint link. The dhcp relay agent is located between a pc and dhcp server as shown in figure 2. Packet switching is the basis for all data networks today, including the internet, public data networks such as frame relay or x. Mar 25, 2015 frame relay is a packetswitching telecommunication service designed for costefficient data transmission for intermittent traffic between local area networks lans and between endpoints in wide area networks wans. The ohio state university raj jain 21 physical layer options q both ansi and itut define frame relay on isdn q frame relay forums implementation agreements. Configuring a pointtomultipoint frame relay wan free. Basic concepts of frame relay explained in easy language. A virtual private network vpn is a network that allows the private networks at a remote location securely connect to the public internet and provide access only to the intended recipients for transmitting data. The frame relay is the packet switched network as well as it may compare with the x. A lan is usually under the administrative control of a single organization. Apr 23, 2012 an introduction to atm networks, written by harry g. Heckart, the guide to frame relay networking, flatiron publishing, 1994. In many cases, frame relay is more efficient than x.
Configuring frame relay feature history release modification forinformationaboutfeaturesupportinciscoios software,useciscofeaturenavigator. The cloud is the frame providers network, and the customer has no control or even. Configuring pointtopoint frame relay links free ccna. The basic frame protocol, which is used in the frame relay is hdlc and the typical speed is higher than the x. Troubleshoot problems with framerelay circuits on your. It includes a bibliography and a set of www sites with information on frame relay networks. Its also one of the most difficult protocols to understand for most ccna students. For further details you should contact logix communications. Virtualcircuit networks frame relay and atm multiple choice. In such a network the source and destination cannot communicate to each other directly because the distance between the source and destination is greater than the transmission range of both of them, hence the need for intermediate. 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. Frame relay introduction, features, working, history, format of frame relay. 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.
Connecting lans, backbone networks and virtual lans, wireless wans, sonet, frame relay and atm. The effectiveness of frame relay in public networks, the management of public frame relay networks, the evolution from frame to cell services, and product implementations are discussed. Vpn is built by creating the virtual pointtopoint connection using the dedicated connections, traffic encryption or virtual tunneling protocols. Frame relay originally was designed for use across integrated services digital network isdn interfaces. Frame relay is a packetswitching telecommunication service designed for costefficient data transmission for intermittent traffic between local area networks lans and between endpoints in wide area networks wans. In case of any problem regarding to fram relay configuration on cisco devices, ask your question through. Mar 25, 2011 adressing ip, ccna in urdu pdf, ccna lectures, ccna lectures in urdu pdf, ccna lectures pdf, cisco, cisco catalyst switch, cisco ios device, cisco switch, determining ip routes, distance vector routing protocols, eigrp, environment network, establishing a frame relay pvc connection, frame relay, interconnecting networks, introduction. At this point, the dhcp relay agent stores its ip address the interface address at which it received the dhcp discoverrequest. 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.
Today, it is used over a variety of other network interfaces as well. As part of the big lab i am doing i want to do some work with frame relay. Frame relay complete packet switching computer network. 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. Use the service network type for networks that provide a unified view of a service that delivers packet connectivity. It is mainly incorporated by the corporate data networks due to its costeffective data transmission, and flexible bandwidth. How to configure frame relay on cisco router technig.
Frame relay itself is implemented over a reliable network and, flow control can be addressed by the higher layers in the osi model. With packet switching, data packets can be carried together on the same link. Comprehensive guide to configuring and troubleshooting frame. In fact, we need to run a routing protocol like ospf, eigrp or rip to make different networks see each other dynamic. Congestion control in frame relay basic working mechanisms. This data communication and networking virtualcircuit networks. Performance evaluation of frame relay, smds, and abr. Logix communications mocha wan adapter can be used to capture traffic on a number of interface types, including frame relay. In this section of data communication and networking virtualcircuit networks. Frame relay is an example of a packetswitched technology. This leads to the proposal of a new security sublayer sfrc which provides secure frame relay connections.
Frame relay is a layer two technology and as a result, dlcis do not traverse a router. Service networks include service locations, network access connectivity, and supporting virtual networks. The data information to be transmitted over frame relay network is encapsulated in a frame which uses only 25 bytes of overhead as mentioned below. A virtual path is created through the frame relay network so data can rapidly pass through each frame relay switch as its path is previously established. Remove the previous configuration from r1s serial00 interface and create a pointtomultipoint subinterface and configure it with the correct framerelay maps. The dhcp relay agent receives dhcp discover and request messages broadcasted by the pc, and unicasts them directly to the dhcp server. In addition to containing highbandwidth and lowdelay characteristics, netware linkframe relay is also an effective way to optimize bandwidth, consolidate networks.
Frame relay is a synchronous hdlc protocol based network. Originally designed for transport across integrated services digital network isdn infrastructure, it may be used today in the context of many other network interfaces. Computer networks pdf notes free download cn notes. Nothing too exciting at the moment, but i do want to touch on it. So with iou i want a frame relay connecting to four other routers in a hub and spoke topology. Ppp frame relay isdn bri with ppp dsl modem cable modem eiatia232 eiatia449 x. This package provides the background for the next training on the isdn network, on the wide area networks and on internet. Asynchronous transfer mode atm multiple choice question and. Oct 08, 2014 cisco ccna routing and switching connecting networks 4.
Rfc 3034 use of label switching on frame relay networks specification, january 2001. In this tutorial ill explain to you why we use d framerelay and how it works. The following figure illustrates a frame relay frame ansi t1. This is a textbook for graduate students and undergraduates in electrical engineering and computer science as well as a reference work for networking engineers. Frame relay computer network communications protocols. The frame relay protocol allows network designers to reduce costs by using shared facilities that are managed by a frame relay service provider. Differences between the ptts and the private vendor community with respect to frame relay interface are outlined. This frameswitching protocol is optimized for modern reliable digital and fiberoptic transmission networks.
Most telephone companies now provide frame relay service for customers who want connections at. Frame relay complete free download as powerpoint presentation. It shows the enterprise private network epn using the framerelay and dialup. Frame relay 153 objectives 153 key terms 153 introduction 4. As these networks will be deployed gradually, the existing highspeed data services, as frame relay and smds, will continue to exist and, for interoperability purposes, they will also be supported by the atm networks. Internetwork a network of networks is called an internetwork, or simply the internet. Isdn bri cable pinouts are different than the pinouts for ethernet. Standard frame relay frame consists of start flag, header, data variable length. Frame relay is a commonly used data link protocol based on packet switching technology. 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.
Comprehensive guide to configuring and troubleshooting. Thus, in general, framerelay is less expensive than dedicated wan lines, but customers are not guaranteed bandwidth. Download for offline reading, highlight, bookmark or take notes while you read computer networks mcqs. Frame relay user guide for routing devices juniper networks. Frame relay frame relay is a packet switching technology that fragmented into transmission units called frames and sent in highspeed bursts through a digital network. Backbone networks, virtual lans, cellular telephony.
A relay network is a broad class of network topology commonly used in wireless networks, where the source and destination are interconnected by means of some nodes. Computer networks mcqs by arshad iqbal overdrive rakuten. Verify the framerelay map statements using the show framerelay map command. It is a lantowan interconnection technology for routers and bridges. This chapter focuses on frame relay s specifications and applications in the context of wan services. This document defines the model and generic mechanisms for multiprotocol label switching on frame relay networks. Frame relay is mostly used to connect local area networks with major backbones. Frame relay and atm mcq multiple choice based short questions and answers,it cover the below lists of topic, all the multiple choice question and answer mcqs have been compiled from the books of data communication and networking by the well known author behrouz forouzan.
Frame relay analyzer frame relay is a commonly used data link protocol based on packet switching technology. In addition, frame relay is bandwidthconstrained with services that do not typically exceed ds1 also known as t1 capacity. Pdf establishing frame relay connections using packet tracer. Frame relay will assign each frame exiting the egress interface of a customer edge router a dlci which identifies which path the frame is to travel once it reaches the provider edge router. Data communication and computer network 6 wan may use advanced technologies such as asynchronous transfer mode atm, frame relay, and synchronous optical network sonet. Computer networks multiple choice questions and answers pdf to download is a revision guide with a collection of trivia quiz questions and answers pdf on topics. Frame relay frame relay is a highperformance wan protocol that operates at the physical and data link layers of the osi reference model. Virtualcircuit networks frame relay and atm multiple.
Framerelay is one of the wan protocols you need to understand if you plan to become ccna certified. Originally designed for transport across integrated services digital network isdn infrastructure, it may be used today in the context of many other network. Security protocol for frame relay acm sigcomm computer. Jun 02, 2015 multipoint frame relay networks cannot be used with this ip addressing scheme. Troubleshoot problems with framerelay circuits on your cisco router by david davis ccie in networking on july 21, 2005, 12. 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. Computer networks multiple choice questions and answers pdf is a revision guide with a collection of trivia questions to fun quiz questions and answers pdf on topics. Then, we consider why the existing security protocols are inadequate in protecting the frame relay traffic effectively. Musumeci dipartimento di elettronica e informazione, politecnico di milano piazza leonardo da vinci 32, 1203 milano, italy tel. Use the network type for physical and logical transport networks, such as sdh, frame relay, metroe, or mpls. Netw208 quiz 2 1 question student answertco 4 the primary. Base training of an engineer for the installation and maintenance of digital telecommunications and internetworking systems. 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. Frame relay is one of the most popular wan service deployed over the past decade.
This example was redesigned from the file this example was created in conceptdraw diagram using the computer and networks solution from the computer and networks area of conceptdraw solution park. Performance evaluation of frame relay, smds, and abr services. Frame relay and atm mcqs covers topics of virtual circuit networks, frame relay and atm, frame relay in vcn, atm lans, atm technology, lan network, length indicator, and local area network emulation. Frame relay is a popular high performance wan protocol that operates at the physical and data link layers of the osi reference model. Data communication and computer networks pdf notes dccn.
Frame relay tutorialnetwork,frame,switch,topology,service. In this example, the frame relay switch is actually physically a router, a layer three device, but its functionality in this case is a layer two device. A network administrator issues the show frame relay map command to troubleshoot the frame relay connection problem. A packetswitching protocol for connecting devices on a wide area network wan. Configuring a pointtomultipoint frame relay wan free ccna. Frame relay is a widearea network with the following features.
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