Setup Guide

Table 52. State Change When Conguring FEFD
Local Event Mode Local State Remote State Local Admin
Status
Local Protocol
Status
Remote Admin
Status
Remote
Protocol
Status
Shutdown Normal Admin
Shutdown
Unknown Down Down Up Down
Shutdown Aggressive Admin
Shutdown
Err-disabled Down Down Up Down
FEFD enable Normal Bi-directional Bi-directional Up Up Up Up
FEFD enable Aggressive Bi-directional Bi-directional Up Up Up Up
FEFD + FEFD
disable
Normal Locally disabled Unknown Up Down Up Down
FEFD + FEFD
disable
Aggressive Locally disabled Err-disabled Up Down Up Down
Link Failure Normal Unknown Unknown Up Down Up Down
Link Failure Aggressive Unknown Unknown Up Down Up Down
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 congurations override global FEFD congurations.
Dell EMC Networking OS supports FEFD on physical Ethernet interfaces only, excluding the management interface.
FEFD is not supported on Fibre Channel and copper Ethernet ports.
Conguring FEFD
You can congure 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 Enable the necessary ports administratively.
INTERFACE mode
no shutdown
3 Enable fefd globally.
CONFIGURATION mode
536
Layer 2