Cisco CCNA / CCNP Certification Exam: Frame Relay BECNs and FECNs

BECNs and FECNs aren’t just important to know for your Cisco CCNA and CCNP certification exams – they’re an important part of detecting congestion on a Frame Relay network and allowing the network to dynamically adjust its transmission rate when congestion is encountered. The Forward Explicit Congestion Notification (FECN, pronounced “feckon”) bit is set to […]