Configuring FEFDYou can configure FEFD for all interfaces from CONFIGURATION mode, or on individual interfaces from INTERFACE mode.To enable FEFD globally on all interfaces, use the following command.• Enable FEFD globally on all interfaces.CONFIGURATION modefefd-globalTo report interval frequency and mode adjustments, use the following commands.1 Setup two or more connected interfaces for Layer 2 or Layer 3.INTERFACE modeip address ip address, switchport2 Enable the necessary ports administratively.INTERFACE modeno shutdown3 Enable fefd globally.CONFIGURATION modefefd-global {interval | mode}Example of the show fefd CommandTo display information about the state of each interface, use the show fefd command in EXEC privilege mode.Dell#show fefdFEFD is globally 'ON', interval is 3 seconds, mode is 'Normal'.INTERFACE MODE INTERVAL STATE(second)Te 1/1/1 Normal 3 Bi-directionalTe 1/2/1 Normal 3 Admin ShutdownTe 1/3/1 Normal 3 Admin ShutdownTe 1/4/1 Normal 3 Admin ShutdownDell#show run fefd!fefd-global mode normalfefd-global interval 3Enabling FEFD on an InterfaceTo enable, change, or disable FEFD on an interface, use the following commands.• Enable FEFD on a per interface basis.INTERFACE modefefd• Change the FEFD mode.INTERFACE mode508 Layer 2
