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Important Points to Remember
• FEFD enabled ports are subject to an 8 to 10 second delay during an RPM failover before becoming
operational.
• You can enable FEFD globally or on a per-interface basis. Interface FEFD configurations override
global FEFD configurations.
• Dell Networking OS supports FEFD on physical Ethernet interfaces only, excluding the management
interface.
Configuring FEFD
You 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 mode
fefd-global
To report interval frequency and mode adjustments, use the following commands.
1. Setup two or more connected interfaces for Layer 2 or Layer 3.
INTERFACE mode
ip address ip address, switchport
2. Activate the necessary ports administratively.
INTEFACE mode
no shutdown
3. Enable fefd globally.
CONFIGURATION mode
fefd {interval | mode}
Example of the show fefd Command
To display information about the state of each interface, use the show fefd command in EXEC privilege
mode.
Dell#show fefd
FEFD is globally 'ON', interval is 3 seconds, mode is 'Normal'.
INTERFACE MODE INTERVAL STATE
(second)
Te 1/1/1 Normal 3 Bi-directional
Te 1/1/2 Normal 3 Admin Shutdown
Te 1/1/3 Normal 3 Admin Shutdown
Te 1/1/4 Normal 3 Admin Shutdown
Dell#show run fefd
!
fefd-global mode normal
fefd-global interval 3
Layer 2
539