Framerelay point to multipoint topology as you have already seen we will configure r1 interface as multipoint but r2 and r3 as pointtopoint. Wilma wants you to change the configuration to use a multipoint subinterface. Try to configure the serial interfaces of the frame relay switch like below screenshot. R1 has a multipoint frame relay subinterface connected to subnet 192. On serial0 of frame relay switch add the following dlci and named with router name or anything you want. 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. Frame relay configuration commands pdf masuzi april 30, 2020 uncategorized 0 17 gif 15a gif using autoinstall with frame relay to atm service internetworking example we will use a single class c private subnet 192 168 1 0 24 in this example table 12 5 should serve as reference for all configuration section. The framerelay interfacedlci 301 and framerelay interfacedlci 302 commands are configured on multipoint subinterface s31. It is on by default on all frame relay multipoint interfaces. Ospf point to multipoint over frame relay get networking. Now configure the interface serial10,serial 11 and serial 12 with this command to make pvc between ho to bo1,ho to bo2,ho to bo3. In previous lessons i gave an introduction about framerelay and explained how to configure framerelay pointtomultipoint.
This means that the point to multipoint communication between ospf routers is unicast. In case of any problem regarding to fram relay configuration on cisco devices, ask your question through. So we do frame relay map ip, frame relay map ip, lets talk about that for structure. If you have no idea what framerelay is or what a pvc, dlci or lmi is you should start with my introduction to framerelay first. In many cases, frame relay is more efficient than x. Therefore, we need to tell ospf to use unicast using the neighbor command on either. This lab will be similar to the previous lab 54 but the hub router will use inverse arp instead of static framerelay map statements. The dcb frame relay pointto multipoint multiplexer configuration uses an srx platform at the host location called host and an sr platform for remote units called drops. Frame relay was conceived as a protocol for use over serial interfaces and was designed for networks with large t1 installations. Frame relay is the source of many tricky questions on ccna, ccnp, and beyond.
The encapsulation framerelay command is mandatory on the main serial interface before configuring framerelay sub interfaces. In this lab youll familiarize yourself with the following commands. The encapsulation frame relay command is mandatory on the main serial interface before configuring frame relay sub interfaces. A main advantage of configuring frame relay multipoint compared to pointtopoint subinterfaces is we can assign ip addresses on the same subnetsnetworks to the interfaces of frame relay switch, thus saving the subnetsnetworks you have. When the broadcast keyword is included, it turns frame relay network as a broadcast network, which can forward broadcasts. This is the way the frame relay code works in cisco ios software. How to configure frame relay in cisco packet tracer jesins.
In this lab we will discuss about ospf point to multipoint nonbroadcast over frame relay, will briefly compare with previously discussed ospf network types and will. The type of frame relay interface is just a way of configuring fr. Comprehensive guide to configuring and troubleshooting. Configure frame relay, virtual circuits and local management interface lmi o address mapping o subinterfaces. Inverse arp is disabled in this lab so that you have exclusive control over the ipdlci mappings. Configuring a pointtomultipoint frame relay wan when it comes to the hub and spoke topology, the hub is most commonly deployed with a pointtomultipoint interface.
Frame relay is a layer two protocol that connects networks over long distances. Configuring frame relay feature history release modification forinformationaboutfeaturesupportinciscoios software,useciscofeaturenavigator. Comprehensive guide to configuring and troubleshooting frame. The frame relay is the packet switched network as well as it may compare with the x. Dec 04, 2011 this article will explain frame relay configuration in cisco packet tracer. This article will explain frame relay configuration in cisco packet tracer. Verify the frame relay map statements using the show frame relay map command. There are both cisco standards and open standards that apply to frame relay. This lab will discuss and demonstrate the frame relay point to point subinterface configuration and.
Configuring static and dynamic dlci to network layer address mapping. But here, our configuration will not be pointtopoint only. Configuring a router as a frame relay switch gns3 i need help in configuring the frs, east and west routers. Frame relay provides a mechanism to allow a physical interface to be partitioned into multiple virtual interfaces. Configuring a multipoint subinterface allows one subinterface to be associated with more than one dlci.
How to configure frame relay on cisco router technig. Frame realy point to point and multipoint with sub. The framerelay, framerelay lmitype, and framerelay inversearp commands are used to configure frame relay. This article is a completion of two previously discussed labs where we talked about ospf multipoint nonbroadcast over frame relay and ospf point to multipoint over frame relay. Configuring a pointtomultipoint frame relay wan free ccna.
The frame relay maps are not actually shown in the. Configure the router physical interfaces with ip addresses. Packets received on one virtual interface can now be forwarded out another virtual interface, even if they are configured on the same physical interface. Aug 12, 2019 the dlci number defines a single virtual connection through the wan and are the frame relay equivalent to a hardware address. Therefore, the default ospf network type on frame relay physical and multipoint subinterfaces is nonbroadcast. The other dlcis, 102 and 103, are active and associated with their respective subinterfaces. Configuring pointtopoint frame relay subinterfaces. The same command is used to associate dlci 304 with pointtopoint subinterface s31. The logical and physical topologies of this lab are shown below. 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. Ciscoios findingfeatureinformation,page1 informationaboutframerelay,page1 howtoconfigureframerelay,page25 configurationexamplesforframerelay,page58 additionalreferences,page80. And the second option is by using the multipoint subinterface on s000 of router0 like this. Frame relay configuration with examples icnd2 200105. Using frame relay pointtopoint subinterfaces cisco.
Verify the framerelay map statements using the show framerelay map command. Here is your stepbystep guide to configuring frame relay. Jun 17, 2011 you have a big mistake on the multipoint example, you set on the frame relay switch the dlci to 202 and on the router 3 you did this. Configure all routers to use frame relay encapsulation. The framerelay map command is used to configure static addresstodlci tables. 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. Configuring eigrp on framerelay i used a router as a frame relay, but the interface serial 00 protocol is always down, could any one please help me out here is the config for it. How to configure framerelay pointtomultipoint this time well take a look at the configuration of framerelay pointtomultipoint. This lab will discuss and demonstrate the configuration and verification of multipoint frame relay interfaces.
Pdf establishing frame relay connections using packet tracer. Unlike leased lines, frame relay requires only a single access circuit to the frame relay. The clock rate defines the speed on the serial interface. This tutorial explains how to configure frame relay step by step. On partially meshed frame relay networks, the problem of split horizon can be overcome by using frame relay subinterfaces. Jun 07, 2019 open the frame relay lab which you have downloaded and configure frame relay the same as screenshot. Frame relay mulipoint, configuration, verifcation, troublshooting, download pdf file, router, frame relay switch, interface, serial, ip, shutdown, cable,isp.
Configure fr switch as a frame relay switch and create a pvc between r1 and. Cisco frame relay configurations configuring frame relay. In this lab, you will configure frame relay encapsulation on serial links. After frame relay is configured, you will enable the eigrp routing protocol to provide endtoend connectivity. Configuring a framerelay switch is outside the scope of the ccna, ccnp and even the ccie exam. Packet tracer configuring frame relay pointtopoint. The three wan topologies used to interconnect remote sites are star, partialmesh, and fullmesh. You have a big mistake on the multipoint example, you set on the frame relay switch the dlci to 202 and on the router 3 you did this. Use show frame relay pvc and show frame relay map to troubleshoot connectivity. You can configure multiple point to point subinterfaces using a single physical frame frame circuit. Frame relay point to multipoint topology as you have already seen we will configure r1 interface as multipoint but r2 and r3 as pointtopoint.
This capability allows us to overcome split horizon rules. In this lesson well take a look at frame relay pointtopoint which is far easier to configure. And he is correct that if you want to be able to ping your own interface, then you must manually configure a frame relay mapping of your own address to one of the dlcis on the interface. You could configure the spokes with p2p subinterfaces and it would work ok. 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. Frame relay is a highperformance wan protocol that operates at the physical and data link layers of the osi reference model.
Configure a frame relay subinterface scenario in this lab, you will learn how to configure frame relay encapsulation on serial links using the network shown in the topology diagram. Remove the previous configuration from r1s serial00 interface and create a pointtomultipoint subinterface and configure it with the correct framerelay maps. Local management interface lmi message is used to check the status between frame relay dte and dce. Now having said that, when you configure the frame relay maps in your configuration, you will require the broadcast keyword. Configuring pointtomultipoint ospf over frame relay.
Configuring framerelay multipoint subinterfaces youtube. Frame relay multipoint config answers part 2 wendells. Physical interface vs multipoint subinterface in cisco frame. The basic configuration of frame relay is simple, but the network administrator plans the. In previous lessons i gave an introduction about frame relay and explained how to configure framerelay pointto multipoint. Configuring a cisco router as a frame relay switch. This post looks at the configuration that uses framerelay map commands. Routers will be connecting to the routers as multipoint. Configuring a pointtomultipoint frame relay wan free. Configure multipoint frame relay in cisco routers youtube. The figure below shows the basic frame relay configuration on a cisco router, connected directly to a dedicated frame relay switch, or dce. This chapter describes the tasks for configuring frame relay on the communication server. Ensure you can ping both routers from router cinderella.
Understanding frame relay dlcis, configuring a pointtopoint frame relay connection, configuring a pointto multipoint frame relay connection, configuring a multicastcapable frame relay connection. Create a frame relay switch and right click the frame relay switch. How to configure frame relay in cisco packet tracer. Frame relay point to multipoint with eigrp lab, a gns3 video tutorial to understand frame relay multipoint configuration using eigrp for routing traffic between devices. Ce protocole est utilise par les fournisseurs dacces pour transmettre des signauxvocaux et numeriques entre reseaux locaux par lintermediaire dun reseau etendu. Read the wikipedia article to learn more about frame relay. The objective of this configuration is to provide reasonable performance at the remote sites in those applications where a dedicated line from the host is not cost justified. Configure the ip addresses as specified in the topology picture on pointto multipoint subinterfaces. It also shows that some packets have actually passed across the pvc. You will also learn how to configure a router as a frame relay switch. Disable frame relay inverse arp and make sure to configure the correct frame relay. You can also try this on live routers and other network simulators, but the frame relay switch configuration varies.
Framerelay multipoint configuration best cisco ccna. Similarly router 1 is configured with serial connectio n ip address 2. If you use gns3 you can use the simpletoconfigure framerelay switch emulator. Understanding and configuring frame relay inverse arp free. The first step should always be to configure the physical interface to use frame relay encapsulation using the command encapsulation frame relay in interface configuration mode. At the end of the day, the encapsulated frames look the same on the wire. The following figure illustrates a frame relay frame ansi t1. Mikkel is talking about a particular aspect of multipoint frame relay interfaces. Configuring frame relay subinterfaces cisco frame relay. R1, r2, and r3 use multipoint subinterfaces, a full mesh of pvcs, and ipv4 addresses 192. 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.
Configuring a frame relay switch is outside the scope of the ccna, ccnp and even the ccie exam. Use the frame relay interfacedlci command to specify local dlcis, as shown in the following. Configuring frame relay dlcis techlibrary juniper networks. All router interface had been configured with ip addresses and routing protocol ripv2. The basic frame protocol, which is used in the frame relay is hdlc and the typical speed is higher than the x. Configure basic frame relay in part 3, you will configure frame relay on routers r1 and r3. Example frame relay multipoint subinterface with dynamic addressing 68. On the interfaces connected to the frame relay switch, configure frame relay encapsulation with inverse arp disabled. In this lab well use the same topology as in the the gay appone, where we talked about how to configure ospf on nonbroadcast network type. Ospf point to multipoint non broadcast over frame relay. Mar 24, 2012 for the love of physics walter lewin may 16, 2011 duration. 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. This guide walks through how to configure frame relay on cisco routers. A multipoint subinterface can have multiple virtual circuits to multiple locations.
Configuring static address mapping on multipoint subinterfaces. If you use gns3 you can use the simpleto configure frame relay switch emulator. Enarsi training frame relay pointtopoint subinterface. Configuring frame relay inverse arp is actually quite simple. Remove the previous configuration from r1s serial00 interface and create a pointto multipoint subinterface and configure it with the correct frame relay maps. In point to multipoint ospf behaves opposite to the non broadcast network type, namely here ospf does. Show information about frame relay and the connections that have been made. In this lesson well take a look at framerelay pointtopoint which is far easier to configure. Here, in multipoint framerelay configuration, we will use the same cisco 3600 series routers and a frame relay switch. I think the last screenshot might need some explaining.