Pdf establishing frame relay connections using packet tracer. Frame relay is a highperformance wan protocol that operates at the physical and data link layers of the osi reference model. There are both cisco standards and open standards that apply to frame relay. Frame relay is a layer two protocol that connects networks over long distances. Configuring frame relay inverse arp is actually quite simple. At the end of the day, the encapsulated frames look the same on the wire. Routers will be connecting to the routers as multipoint. Configuring static and dynamic dlci to network layer address mapping.
Verify the framerelay map statements using the show framerelay map command. Configuring a pointtomultipoint frame relay wan free. Read the wikipedia article to learn more about 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. All router interface had been configured with ip addresses and routing protocol ripv2.
If you use gns3 you can use the simpletoconfigure framerelay switch emulator. Jun 07, 2019 open the frame relay lab which you have downloaded and configure frame relay the same as screenshot. 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. The encapsulation framerelay command is mandatory on the main serial interface before configuring framerelay sub interfaces. Understanding and configuring frame relay inverse arp free. The same command is used to associate dlci 304 with pointtopoint subinterface s31.
The frame relay maps are not actually shown in the. In this lab we will try to run a frame relay topology same as the one posted in tshoot demo ticket. Configuring a cisco router as a frame relay switch. Framerelay point to multipoint topology as you have already seen we will configure r1 interface as multipoint but r2 and r3 as pointtopoint. 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. Show information about frame relay and the connections that have been made. Configure the ip addresses as specified in the topology picture on pointto multipoint subinterfaces. 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 basic frame protocol, which is used in the frame relay is hdlc and the typical speed is higher than the x. Configuring pointtomultipoint ospf over frame relay. Packets received on one virtual interface can now be forwarded out another virtual interface, even if they are configured on the same physical interface. You will also learn how to configure a router as a frame relay switch. The logical and physical topologies of this lab are shown below. After frame relay is configured, you will enable the eigrp routing protocol to provide endtoend connectivity. Verify the frame relay map statements using the show frame relay map command. Aug 12, 2019 the dlci number defines a single virtual connection through the wan and are the frame relay equivalent to a hardware address. This is the way the frame relay code works in cisco ios software.
Ciscoios findingfeatureinformation,page1 informationaboutframerelay,page1 howtoconfigureframerelay,page25 configurationexamplesforframerelay,page58 additionalreferences,page80. Configure the router physical interfaces with ip addresses. Frame relay multipoint config answers part 2 wendells. Configuring a frame relay switch is outside the scope of the ccna, ccnp and even the ccie exam. Therefore, we need to tell ospf to use unicast using the neighbor command on either. Configure all routers to use frame relay encapsulation. Framerelay multipoint configuration best cisco ccna. Frame relay provides a mechanism to allow a physical interface to be partitioned into multiple virtual interfaces.
This chapter describes the tasks for configuring frame relay on the communication server. 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. Inverse arp will map the remote ip addresses to the correct dlci. This lab will discuss and demonstrate the configuration and verification of multipoint frame relay interfaces. Configure frame relay, virtual circuits and local management interface lmi o address mapping o subinterfaces. Configure multipoint frame relay in cisco routers youtube. 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.
The clock rate defines the speed on the serial interface. 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. Create a frame relay switch and right click the frame relay switch. It is on by default on all frame relay multipoint interfaces.
The framerelay, framerelay lmitype, and framerelay inversearp commands are used to configure frame relay. Frame realy point to point and multipoint with sub. Frame relay point to multipoint topology as you have already seen we will configure r1 interface as multipoint but r2 and r3 as pointtopoint. Frame relay mulipoint, configuration, verifcation, troublshooting, download pdf file, router, frame relay switch, interface, serial, ip, shutdown, cable,isp. This article will explain frame relay configuration in cisco packet tracer. R1 has a multipoint frame relay subinterface connected to subnet 192. Configuring pointtopoint frame relay subinterfaces. 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. I think the last screenshot might need some explaining. You can also try this on live routers and other network simulators, but the frame relay switch configuration varies.
Remove the previous configuration from r1s serial00 interface and create a pointtomultipoint subinterface and configure it with the correct framerelay maps. Frame relay says, hey, i want to do something with frame relay, it demands the encapsulation frame relay command to be on. 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. Frame relay was conceived as a protocol for use over serial interfaces and was designed for networks with large t1 installations. Use show frame relay pvc and show frame relay map to troubleshoot connectivity. The frame relay is the packet switched network as well as it may compare with the x. A multipoint subinterface can have multiple virtual circuits to multiple locations. 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. The other dlcis, 102 and 103, are active and associated with their respective subinterfaces. Using frame relay pointtopoint subinterfaces cisco. 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. How to configure frame relay in cisco packet tracer jesins.
Configuring a router as a frame relay switch gns3 i need help in configuring the frs, east and west routers. But here, our configuration will not be pointtopoint only. In this lab, you will configure frame relay encapsulation on serial links. The three wan topologies used to interconnect remote sites are star, partialmesh, and fullmesh. 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. This tutorial explains how to configure frame relay step by step. Understanding frame relay dlcis, configuring a pointtopoint frame relay connection, configuring a pointto multipoint frame relay connection, configuring a multicastcapable frame relay connection. On serial0 of frame relay switch add the following dlci and named with router name or anything you want. Packet tracer configuring frame relay pointtopoint. Similarly router 1 is configured with serial connectio n ip address 2. Configuring frame relay subinterfaces ensures that a single physical interface is treated as multiple virtual interfaces. Configuring framerelay multipoint subinterfaces youtube. 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.
Comprehensive guide to configuring and troubleshooting frame. 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. 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. R1, r2, and r3 use multipoint subinterfaces, a full mesh of pvcs, and ipv4 addresses 192. The following figure illustrates a frame relay frame ansi t1. Now having said that, when you configure the frame relay maps in your configuration, you will require the broadcast keyword. This lab will be similar to the previous lab 54 but the hub router will use inverse arp instead of static framerelay map statements. When the broadcast keyword is included, it turns frame relay network as a broadcast network, which can forward broadcasts. It also shows that some packets have actually passed across the pvc. Local management interface lmi message is used to check the status between frame relay dte and dce.
In this lesson well take a look at frame relay pointtopoint which is far easier to configure. And the second option is by using the multipoint subinterface on s000 of router0 like this. This means that the point to multipoint communication between ospf routers is unicast. This lab will discuss and demonstrate the frame relay point to point subinterface configuration and. Example frame relay multipoint subinterface with dynamic addressing 68. In many cases, frame relay is more efficient than x. 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. Inverse arp is disabled in this lab so that you have exclusive control over the ipdlci mappings. Configuring frame relay subinterfaces cisco frame relay. Use the frame relay interfacedlci command to specify local dlcis, as shown in the following. Mikkel is talking about a particular aspect of multipoint frame relay interfaces. Enarsi training frame relay pointtopoint subinterface.
Comprehensive guide to configuring and troubleshooting. Configuring frame relay feature history release modification forinformationaboutfeaturesupportinciscoios software,useciscofeaturenavigator. Physical interface vs multipoint subinterface in cisco frame. Configuring static address mapping on multipoint subinterfaces. 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. You could configure the spokes with p2p subinterfaces and it would work ok. 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. Dec 04, 2011 this article will explain frame relay configuration in cisco packet tracer. 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. If you use gns3 you can use the simpleto configure frame relay switch emulator. On the interfaces connected to the frame relay switch, configure frame relay encapsulation with inverse arp disabled.
Ce protocole est utilise par les fournisseurs dacces pour transmettre des signauxvocaux et numeriques entre reseaux locaux par lintermediaire dun reseau etendu. Configuring a framerelay switch is outside the scope of the ccna, ccnp and even the ccie exam. Disable frame relay inverse arp and make sure to configure the correct frame relay. Ospf point to multipoint non broadcast over frame relay. The framerelay interfacedlci 301 and framerelay interfacedlci 302 commands are configured on multipoint subinterface s31. Configuring a multipoint subinterface allows one subinterface to be associated with more than one dlci. Remove the previous configuration from r1s serial00 interface and create a pointto multipoint subinterface and configure it with the correct frame relay maps.
Cisco frame relay configurations configuring frame relay. The type of frame relay interface is just a way of configuring fr. Ospf point to multipoint over frame relay get networking. Next we need to setup the frame relay section of the cloud. How to configure framerelay pointtomultipoint this time well take a look at the configuration of framerelay pointtomultipoint. Configuring a pointtomultipoint frame relay wan free ccna. You can configure multiple point to point subinterfaces using a single physical frame frame circuit. The basic configuration of frame relay is simple, but the network administrator plans the. Configure basic frame relay in part 3, you will configure frame relay on routers r1 and r3. How to configure frame relay on cisco router technig. Configure frame relay encapsulation on all serial interfaces.
The encapsulation frame relay command is mandatory on the main serial interface before configuring frame relay sub interfaces. Try to configure the serial interfaces of the frame relay switch like below screenshot. How to configure frame relay in cisco packet tracer. 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. Here, in multipoint framerelay configuration, we will use the same cisco 3600 series routers and a frame relay switch. Therefore, the default ospf network type on frame relay physical and multipoint subinterfaces is nonbroadcast. 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. The framerelay map command is used to configure static addresstodlci tables. In point to multipoint ospf behaves opposite to the non broadcast network type, namely here ospf does. Frame relay is the source of many tricky questions on ccna, ccnp, and beyond. This guide walks through how to configure frame relay on cisco routers.
So we do frame relay map ip, frame relay map ip, lets talk about that for structure. On partially meshed frame relay networks, the problem of split horizon can be overcome by using frame relay subinterfaces. 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. Configuring frame relay dlcis techlibrary juniper networks. 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. Wilma wants you to change the configuration to use a multipoint subinterface.
Unlike leased lines, frame relay requires only a single access circuit to the frame relay. In this lab youll familiarize yourself with the following commands. Configure fr switch as a frame relay switch and create a pvc between r1 and. This post looks at the configuration that uses framerelay map commands. In this lesson well take a look at framerelay pointtopoint which is far easier to configure. In previous lessons i gave an introduction about framerelay and explained how to configure framerelay pointtomultipoint.