Configuring static and dynamic dlci to network layer address mapping. Configuring the lmi type on a frame relay interface. Static mappings require the use of a frame map statement. The logical and physical topologies of this lab are shown below. Configure frame relay for the cisco ccna part 4 duration. The problem was that there was multiple maps to ip 0. Frame relay allows for a single serial interface on the router to connect multiple remote sites with the help of virtual circuits.
If you want to configure framerelay in your lab then you do require a framerelay switch. Nlpid network layer protocol id, which is a single byte that. Oct 15, 2009 having a static mapping on a frame relay interface does not disable the inversearp for the entire interface. Configuring frame relay frame relay is a highperformance wide area network wan protocol that operates at the physical and data link layers. Cisco supports three different local management interface lmi types for frame relay. The mapping merely causes that the router never sends inversearp requests out the dlci that is used in a static mapping. Mismatched frame relay encapsulation whenever a noncisco device is involved in a frame relay setup, you have to change the default cisco frame relay encapsulation type to ietf.
For a cisco router to transmit data over frame relay, it needs to know which local dlci maps to the layer 3 address read more. To clear dynamically created frame relay maps, which are created by the use of inverse. This is the way the frame relay code works in cisco ios software. Use the no form of this command to remove a static. Comprehensive guide to configuring and troubleshooting frame. Konfigurasi tutorial sebelumnya dibenamkan pada frame relay switch, yang berarti mapping dlci dilakukan secara dynamic. I want to map the dlci to the ip address in a static manner on the subinterface multipoint using the frame relay map ip command no inverse arp ofcourse.
Encapsulation cisco ios uses cisco encapsulation for frame relay and if you are using only cisco routers, this default setting works fine without any additional configuration. Reg frame relay multipoint 79112 the cisco learning. How to configure, verify ppp and basic concepts of frame relay. Oct 14, 20 as part of the big lab i am doing i want to do some work with frame relay.
Basic frame relay pointtopoint configuration on cisco. Before a frame relay router or access server can transmit frames on its outgoing virtual circuit to a remote destination, it needs a vital piece of information. The following example configures a static route that allows packets in dlci 100 and. Next we need to setup the frame relay section of the cloud. To use static mappings, turn inverse arp off with the no framerelay inversearp statement, and configure a frame map statement for each remote. Before a frame relay router or access server can transmit frames on. Cisco ccna configuring a static frame relay map we can use the framerelay map command to configure multiple dlcis to be multiplexed over one physical link.
Frame relay and mapping ip question cisco community. Hi, in frame relay multipoint, when all the routers are in same subnet ex 192. Nlpid network layer protocol id, which is a single byte that uniquely identifies a ppp packet to frame relay. Each line describes how to get to other networks using dlcis. Hub and spoke pointtomultipoint fr 101793 the cisco.
The cisco ios xe frame relay implementation currently supports routing for ipv4, ipv6, and multiprotocol label switching mpls. After all, that would be an useless thing to do, as the mapping is already defined statically. In the same way, it helps to learn how to configure and verify a ppp along with the pap and chap authentication, and ppoe. For the exams, you need to know how to configure the static map command statements. This tutorial explains how to configure frame relay step by step. Ppp and frame relay are protocols operating at data link layer used in segment of private wan connection. Cisco frame relay configurations configuring frame relay.
Create a static frame relay map on r1s serial00 interface for ip to dlci mappings for traffic destined to r2 and r3. Dynamic and static mapping of the next hop protocol address to a specific local dlci value is explained in this section. However, you can also configure static mapping using the frame relay map ip ipaddress dlci. Frame relay address mapping, how it works dlci data link connection identifier in frame relay, the end of each connection has a number to be identified with. Issue the show framerelay map command on r1 and r3 to display a summary of the static. Configuring frame relay using a switch simulation packet tracer. Static mapping removes the need for inverse address resolution protocol arp requests. In this lesson well take a look at framerelay pointtopoint which is far easier to configure. Onewaytomakethisnetworkworkfullyistocreateafullymeshednetwork networkb,butdoingsorequiresalargenumberofpvcs,whichmaynotbeeconomicallyfeasible. The table contains both dynamic mapped and static mapped entries. Ietf, open standard utilized between devices from different vendors, a cisco router, a router from a different vendor, encapsulation frame relay ietf. Frame relay is a highperformance wide area network wan protocol that operates at the physical and data link layers. Frame relay inverse arp is a method of building dynamic address mappings in frame relay networks running appletalk, banyan vines, decnet, ip, novell ipx, and xns.
Configure dynamic or static address mapping configuring frame relay iv155 final draft cisco confidential frame relay supports encapsulation of all supported protocols in conformance with. As you know framerelay is a wellknown wan technology that generally used for backbone routers. The cisco frame relay switch can extend foresight messages over a usertonetwork interface uni, passing the backward congestion notification for vcs. Luckily for us, its possible to configure a cisco router as a framerelay switch. Frame relay is a scalable wide area network solution which makes use of packetmode transmission. Having a static mapping on a frame relay interface does not disable the inversearp for the entire interface.
Setting up frame relay with map statements frame relay. May 28, 2014 everything you need to know about frame relay for the ccna exam and also for the route exam. You can also create a mapping between a dlci and nexthop ip address manually using frame relay map ip command. Maksudnya apa sih static mapping frame relay static mapping. I want to change the default encapsulation on a single virtual connection. All, ive been playing around with fr mappings and noticed that the mappings require the address and local dlci, not the remote. The cisco ios xe frame relay implementation currently supports. Aug 09, 2011 ccna guide to cisco networking fundamentals chapter 11 ppp and frame relay.
Summary cisco frame relay configurations cisco press. Setelah konfigurasi frame relay inverse arp, kemudian kita akan konfigurasi frame relay static mapping. Cisco ios software uses the following defaults for frame relay. Change the frame relay lmi type from cisco to ansi 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.
Use the encapsulation frame relay interface configuration command to enable frame relay encapsulation. Instead of using inverse arp, the frame relay map tells the cisco ios software how to get from a specific. Using frame relay pointtopoint subinterfaces cisco frame. May 05, 2011 configure frame relay static mapping on the routers using packet tracer for the cisco ccna. To understand the basic configuration of framerelay, there is a configuration below with three cisco 3600 series router and one framerelay switch. In comparison with the framerelay interfacedlci command, the framerelay map command performs static addressing mapping and it disables inverse arp on the specified dlci. Frame relay router alley frame relay map vs interface dlci 3 minute ccna ccnp tutorial frame relay understanding static and dynamic mappings costiser ro ccna v6 0 frame relay address mapping explaned with examples frame relay understanding static. Mapping via inverse arp or static frame relay map statements is needed only when more than two vcs terminate on the interface or subinterface, because those are the only instances in which confusion about which dlci to use might occur. Essential cisco ios commands internetwork training. In previous lessons i gave an introduction about framerelay and explained how to configure framerelay pointtomultipoint.
The figure below shows the basic frame relay configuration on a cisco router, connected directly to a dedicated frame relay switch, or dce. I think the last screenshot might need some explaining. In addition, the framerelay map command is supported on the physical interface and the framerelay map command should be used when the far end frame relay. For more information about defaults and usage guidelines, see the corresponding chapter of the router products command reference publication. The frame relay map configuration command was also introduced. Frame relay multipoint subinterface, static mapping and main interface, static mapping in addition, when you purchase any of our ccna advanced kits, youll also receive 5 additional lab configuration scenarios that demonstrate the frame relay hub and spoke technology.
In a production network, you would just go ahead and use inverse arp, probably. Nothing too exciting at the moment, but i do want to touch on it. How to setup frame relay multipoint or static map jared. This addresstodlci mapping can be accomplished either by static or. Frame relay configuration with examples icnd2 200105. Yeah i cant do encapsulation frame relay on my cisco router, encapsulation frame relay ietf on the other router.
Both do not involve using any dynamic routing protocol, or. So with iou i want a frame relay connecting to four other routers in a hub and spoke topology. Frame relay networks offer packet switched technology in providers network. In addition to mapping an ip to a dlci, cisco ios software allows several. Cisco routers support all network layer protocols over frame relay, such as ipv4, ipv6. Lesson one lan lesson 3 ip lesson two lesson 6 routing configurations eigrp and ospf eigrp features and operation protocol dependant modules neighbor discovery reliable transport protocol rtp diffusing update algorithm dual using eigrp to support large networks multiple autonomous systems vlsm support and summarization route discovery and maintenance configuring eigrp configuring. For a cisco router to transmit data over frame relay, it needs to know which local dlci maps to the layer 3 address of the remote destination. When configuring frame relay i always pick one router and use it as the starting point. Chapter description jonathan chin dicussess basic frame relay operations on cisco routers in a routerbased frame relay network. Cisco routers support all network layer protocols overframe relay, such as ip, ipx, and appletalk. The cisco frame relay switch can extend foresight messages over a usertonetwork interface uni. Frame relay understanding static and dynamic mappings. Frame relay foresight foresight is the network traffic control software used in some cisco switches.
Inverse arp allows the access server to discover the protocol address of a device associated with the virtual circuit. Ip to a dlci, cisco ios software allows several other layer 3 protocol. The first two lines use serial 0 as the starting point. Using frame relay pointtopoint subinterfaces cisco. I want to map the dlci to the ip address in a static manner on the subinterface multipoint using the frame relay map. In this lab, you will configure frame relay encapsulation on serial links. Cisco ccna routing and switching connecting networks packet tracer 4.
Enarsi training frame relay pointtopoint subinterface. The show framerelay map privileged exec mode command shows the contents of the next hop protocol address to dlci mapping table on the router. In this lab we will try to run a frame relay topology same as the one posted in tshoot demo ticket. Feb 06, 2016 ccna 4 final exam answers 2019 version 5. Frame relay subinterface static mapping inverse arp. This article will focus on simple implementation of ppp serial. This addresstodlci mapping can be accomplished either by static or dynamic mapping. Configure frame relay for the cisco ccna part 4 youtube. You will also learn how to configure a router as a frame relay switch. Use the framerelay route interface configuration command to specify the static route for pvc switching. Ppp enable establish communication through serial link between cisco and noncisco device where can not be used proprietary hdlc cisco encapsulation.
This section describes the function and displays the syntax of each frame relay command. Frame relay is a highperformance wan protocol that operates at the physical and data link layers. Frame relay question 5439 the cisco learning network. Instead of using inverse arp, the frame relay map tells the cisco ios software how to get from a specific protocol and address pair to the correct dlci. Cisco routers support all network layer protocols over frame relay, such as ip, ipx, and appletalk. Configuring frame relay cisco ios software releases 11. For example, you cannot create a multipoint subinterface serial0. Now we use show frame relay mapping to verify that r4 has learned about the other links via inversearp and that we can ping. Disable frame relay inverse 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. Ppp over frame relay uses a value of 0x03, which indicates that the frame is an unnumbered information ui frame.
Frame relay, cisco ios release 15s 16 configuring frame relay understanding frame relay subinterfaces. Framerelay static mapping di cisco barly wicaksono. Frame relay subinterface static mapping inverse arp youtube. Configure frame relay static mapping on the routers using packet tracer for the cisco ccna. Sep 14, 2011 frame relay by default uses inverse arp for layer 2 to 3 mapping. Example 432 shows a sample output of the show framerelay map command. He also explains how to configure a basic frame relay network involving cisco equipment and how to perform basic monitoring and troubleshooting using relevant cisco ios show and debug commands. I want to map the dlci to the ip address in a static manner on the subinterface. You can statically configure the same mapping information instead of using inverse arp. Configuring a cisco router as a frame relay switch. To change it, you need to either reload the router or create another subinterface. In its simplest form, the frame relay map configuration involves considerably. Nov 02, 2005 once you create a specific type of subinterface, you cannot change it without a reload. If you are studying framerelay for cisco exams then you only need to understand how to configure it from the customers perspective.