Appendix B. Frame Relay Switch Configuration

One of the most common WAN protocols used today is Frame Relay. This appendix provides an overview of Frame Relay, its components, and its implementations. It also details how to configure a Cisco router to simulate a Frame Relay switch.

Frame Relay is a high-performance WAN protocol that operates at the physical and data link layers of the OSI reference model. Frame Relay originally was designed for use across Integrated Services Digital Network (ISDN) interfaces. Today it is used over a variety of other network interfaces as well. This section focuses on Frame Relay's specifications and applications in the context of WAN services.

Frame Relay is an example of a packet-switched technology. Packet-switched ...

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