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Mobby Dick's Articles in Computer Software


  • Cisco CCNA CCNP Certification Exam. Frame Relay BECNs and FECNs
    The Forward Explicit Congestion Notification (FECN, pronounced "feckon") bit is set to zero by default, and will be set to 1 if congestion was experienced by the frame in the direction in which the frame was traveling. A DCE (frame relay switch) will set this bit, and a DTE (router) will receive it, and see that congestion was encountered along the frame's path. If network congestion exists in the opposite direction in which the frame was traveling, the Backward Explicit Congestion...



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