To change the default encapsulation type, simply append the ietf keyword to the encapsulation framerelay command. The table lists the basic commands required for end to end operation. How to configure frame relay on cisco router technig. 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. For this configuration, we need to designate one of the routers to be the frame relay switch. Frame relay multipoint ospf neighbor command cisco. With this knowledge, the router simply assumes all of network 1. Dlci 17 describes the isdn circuit between r2 and r3. The frame relay switching command enables frame relay switching globally on a router, allowing it to forward frames based on the incoming dlci rather than an ip address. Bessong rawlings 1 frame relay configuration frame relay configuration has any options, yet the actual configuration you perform can be very basic depending on how many default settings can be used. For purposes of the frame relay broadcast queue, broadcast traffic is defined as packets that have been replicated for transmission on multiple dlcis, but it does not include the original routing packet or sap. Configure a basic frame relay permanent virtual circuit pvc, including configuring and troubleshooting frame relay on a router serial interface and. Frame relay configuration wan cloud configure the lmi type and dlci of virtual circuits on each serial interface of the cloud used for frame relay operation.
Commands used in the configuring basic mpls using is. Cisco asr 9000 series aggregation services router interface and hardware component command reference. The only visible indication to the user that lmi autosense is in progress is that debug frame lmi is enabled. We will use figure 2 and table 2 in this section for reference. Mismatched frame relay encapsulation whenever a non cisco device is involved in a frame relay setup, you have to change the default cisco frame relay encapsulation type to ietf. To clear dynamically created frame relay maps, which are created by the use of inverse arp, use the clear frame relay inarp exec command. Now that the network is operational, you will test some frame relay show commands. Feb, 2020 when this frame reaches the frame relay switch, the switching logic configured, is applied to it. Frame relay was conceived as a protocol for use over serial interfaces and was designed for those networks with large t1 installations. There are several varieties of lmi protocol and the cisco version is the default.
Troubleshooting frame relay connections with cisco ios debug. See the examples at the end of this chapter for ideas of how to configure frame relay on your network. I have a router connected to a service provider via a serial line. Configure frame relay encapsulation on the s000 interfaces of r2 and r3. For more information about defaults and usage guidelines, see the corresponding chapter of the router products command reference publication. The encapsulation framerelay command sets the frame encapsulation type to the default of cisco.
Another quick facts document covering eigrp over frame relay. Essential cisco ios commands internetwork training. To associate an interface or a subinterface with different dlcis, framerelay map or framerelay interfacedlci commands are used. Change the interface encapsulation type to frame relay. May 18, 2014 which command allows you to verify the encapsulation type cisco or ietf for a frame relay link. Frame relay commands on the cisco asr 9000 series router. Readers will be able to configure a basic frame relay network involving cisco equipment and to perform basic monitoring and troubleshooting using relevant cisco ios show and debug commands.
The encapsulation must be the same on both routers. Many cisco ios commands that are supported on cisco routers can be used either to validate users frame relay configuration command changes, to verify the status of the frame relay connection, or as a troubleshooting tool. Nov 17, 2020 verifying frame relay connections with ios show commands. Updated 5232011 to include the default nonbroadcast and the pointtomultipoint nonbroadcast network types. Layer 3 vpn 30 eigrpv6 31 enabling eigrpv6 on an interface 31. When you have used a framerelay map command, the broadcast option is no longer required and becomes.
Eigrp over multipoint subinterfaces 25 eigrp over frame relay. Frame relay commands 81 frame relay commands 8 use the commands described in this chapter to con. Apr 24, 2019 framerelay map ip command on cisco routerswitch. Jan 21, 2018 for more information about n391, see the framerelay lmin391dte command in the chapter frame relay commands in the cisco ios widearea networking command reference. This chapter describes the function and displays the syntax of each frame relay command. Frame relay is the most popular wan technology used today, so its no surprise that frame relay is an important topic on the icnd exam. Ccnp routing and switching portable command guide, 2e. The only thing left to do know is to enable the interfaces of r1 and r2. Hello, i would like to know if there is a command allowing me to check the speed of a frame relay pvc. A good starting point for frame relay verification can be the show frame relay map command. The frame relay show command and debug command enhancements feature provides the ability to filter the output of certain frame relay show and debug commands on the basis of the interface and datalink connection identifier dlci. Troubleshooting frame relay connections with cisco ios.
This command assigns dlci value 101 in serial interface of r2. Ccna portable command guide, 2nd edition cisco press. The framerelay map command accomplishes exactly that. Packet tracer configuring frame relay pointtopoint.
In many cases, frame relay is more efficient than x. For additional options such as authentication, eigrp wan bandwidth control, metric tuning, etc, refer to the references sited in the pdf document. By default lmi will associate all dlcis to the physical interface. On a serial interface, the no encapsulation framerelay command causes the interface to revert to the default highlevel data link control hdlc encapsulation. Frame relay is indeed still a part of the 300101 curriculum. Use the encapsulation framerelay interface configuration command to enable. The following example configures cisco frame relay encapsulation on serial. Use the commands described in this chapter to configure frame relay. The framerelay provider dictates which lmitype to use. Aug 09, 2011 ccna guide to cisco networking fundamentals chapter 11 ppp and frame relay. Frame relay is configured on the cisco router via the textbased cisco ios command. My understand is that with an nmba multipoint network the neighbor command is required to get ospf neighborships up and running and indeed, in my case, r1 and r2 do not form a full neighborship until i enter the neighbor command.
Frame relay commands 2 frame relay lmitype cisco ansi q933a no frame relay lmitypeansi q933a use the frame relay lmitype interface con. Using frame relay pointtopoint subinterfaces cisco. 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. There are three framerelay specific commands that we configured. May, 2017 cisco commands list for beginners ccna, ccnp 1.
Cisco frame relay configurations configuring frame relay. Frame relay most closely compares to the osi data link layer layer 2. Configuring switch to use ssh configure dns domain name. After completing this chapter, readers will be able to perform the basic frame relay configuration commands with the cisco ios software. Lmi cisco ios automatically senses the lmi type by default and this feature is referred to as lmi autosense. Unfortunately it seems to be lacking in any of the cisco press materials and there isnt really a way to simulate it in virl. Supported mqc frame relay traffic shaping commands 194. Comprehensive guide to configuring and troubleshooting frame. As router will automatically detect the correct lmi type. This command assigns dlci value 100 in serial interface of r1. Interface and hardware component command reference for cisco.
Format of the frame relay hdlc frame with cisco systems proprietary encapsulation. Use framerelay interfacedlci, an example here cut from a router. Issue the show frame relay lmi command on r1 and r3. Enabling frame relay encapsulation cisco frame relay. Nov 17, 2020 the no form of the encapsulation framerelay command removes the frame relay encapsulation on the interface, as shown in example 42. Cisco ios xe sdwan qualified command reference frame. Nov 17, 2020 by default, the cisco frame relay encapsulation type will be used. Configuring basic mpls using ospf to illustrate this sample configuration, look at a particular destination, for example 10. So to assist you, below we will discuss one of the more difficult ccna concepts.
If you had entered one of the commands above, you would configure dlci 40, but not dlci 50, in a framerelay map command. The cpe routers and the frame relay switch exchange information using local management interface lmi commands. Example 423 shows the configuration command and the corresponding output of the show framerelay map. Frame relay is configured on the cisco router via the textbased cisco ios command line interface cli. The frame relay switch uses the routes constructed in the table to switch frames from an incoming vc on an interface to an outgoing vc on another interface. The encapsulation mismatch problems can be detected using the command show frame relay map as. Chapter frame relay 157 chapter 14 network address translation for ipv4 167. Verifying frame relay connections with ios show commands. Enable ip cef for better performances use ip cef distributed when available in the general. Another quick facts document covering ospf over frame relay and the basic commands required for end to end operation. Pdf establishing frame relay connections using packet tracer. Frame relay show command and debug command enhancements cisco. Enable frame relay ietf encapsulation in interface.
The following figure illustrates a frame relay frame ansi t1. Use the no form of this command to return to the default lmi type. Aug 12, 2019 all frame relay routers are interconnected through a cisco packet tracer cloud device which emulates frame relay circuits. Lab setup instructions\ cisco basic ccna lab setup instructions. Cisco ios software uses the following defaults for frame relay. If you manually configure the lmi using the framerelay lmitype command, lmi autosense is silently disabled. In preparation of your ccna exam, we want to make sure we cover the various concepts that we could see on your cisco ccna exam. Using frame relay pointtopoint subinterfaces cisco frame. All of the routers will be using the cisco protocol. On the serial line is configured one frame relay pvc very basic configuration, hdlc would have been enough. When you configure framerelay map commands or use inverse arp, the high priority dlci is the only one that is mapped.
Eigrp over pointtopoint subinterfaces 26 eigrp over mpls. Notice that both routers are in the same ip subnet. Frame relay was conceived as a protocol for use over serial interfaces and was designed for. These enhancements facilitate network scalability and simplify network management and troubleshooting. Nov 17, 2020 chapter description jonathan chin dicussess basic frame relay operations on cisco routers in a routerbased frame relay network. The encapsulation mismatch problems can be detected using the command show frame relay map as indicated in the above output. The above configuration disables lmi processing on both routers when the no keepalive command is. For instance, the show framerelay map command displays the remote network address to local dlci mapping and indicates the remote network destinations reachable via the connected frame relay network. Pdf frame relay protocol please refer to the above diagram, which shows a configuration based on the frame relay protocol. Identify ospfv2 troubleshooting commands 65 identify ospfv3 troubleshooting commands 68.
To disable a dlc for a frame relay interface, use the command. This chapter describes frame relay and explains how to configure frame. Command configured on serial 11 of frame relay switch. Use the encapsulation frame relay interface configuration command to enable. These commands are underlined is the configurations below. Example 423 example of framerelay interfacedlci command and the output of show framerelay map.
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