Chapter 13. Frame Relay
Although newer services are rapidly replacing it in some locations, Frame Relay has been a popular alternative to expensive dedicated leased lines. Frame Relay provides a cost-efficient solution for WAN access between multiple sites. This chapter reviews Frame Relay technology, configuration, verification, and troubleshooting.
Introduction to Frame Relay
Frame Relay is a high-performance WAN protocol that operates at the physical and data link layers of the OSI reference model. Unlike leased lines, Frame Relay requires only a single access circuit to the Frame Relay provider to communicate with other sites connected to the same provider.
Frame Relay Concepts and Terminology
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