TAILIEUCHUNG - Lecture LAN Extension into a WAN: Establishing a WAN Connection with Frame Relay

After studying this chapter you will be able to: Describe the fundamental concepts of Frame Relay technology in terms of Enterprise WAN services including Frame Relay operation, Frame Relay implementation requirements, Frame Relay maps, and LMI operation; configure a basic Frame Relay PVC including configuring and troubleshooting Frame Relay on a router serial interface and configuring a static Frame Relay map. | LAN Extension into a WAN Establishing a WAN Connection with Frame Relay Frame Relay Overview Connections made by virtual circuits Connection-oriented service Purpose: This figure provides a big-picture definition of Frame Relay. Emphasize: Frame Relay is used between the CPE device and the Frame Relay switch. It does NOT affect how packets get routed within the Frame Relay cloud. Frame Relay is a purely Layer 2 protocol. The network providing the Frame Relay service can be either a carrier-provided public network or a network of privately owned equipment serving a single enterprise. Make a clear distinction between DCE, DTE, and CPE. Emphasize that Frame Relay over SVCs is not discussed in this chapter because it is not widely supported by service providers at this time. The service provider must also support SVCs in order for Frame Relay over SVCs to operate. Note: In Cisco IOS Release , two traffic shaping features were introduced: Generic (adaptive) traffic shaping Frame Relay

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