What Is Frame Relay? A Complete CCNA Guide
Frame Relay is a packet-switching telecommunication service designed for interconnecting enterprise LANs over a wide area network. It’s a Layer 2, non-broadcast multi-access (NBMA) WAN technology that allows a single serial interface on a router to connect to multiple remote sites using permanent virtual circuits (PVCs) or, less commonly, switched virtual circuits (SVCs). Though largely...
