Layer 3 Routing Commands 1201Bidirectional Forwarding DetectionCommandsDell EMC Networking N3000/N3100/N4000 Series SwitchesBidirectional Forwarding Detection (BFD) verifies bidirectional connectivitybetween forwarding engines, which can be a single hop or multiple hops away.The protocol works over any underlying transmission mechanism andprotocol layer with a wide range of detection times, especially in scenarioswhere fast failure detection is required in data plane level for multipleconcurrent sessions.Use the following commands to configure Bidirectional Forwarding Detectioncommands (BFD).Commands in this SectionThis section explains the following commands:feature bfdUse this command to enable BFD on the router. Use the no form of thecommand to disable BFD and clear any dynamic state.Syntaxfeature bfdno feature bfdDefault ConfigurationBFD is not enabled by default.feature bfd ip ospf bfdbfd echo ipv6 ospf bfdbfd interval neighbor fall-over bfdbfd slow-timer show bfd neighbor
