Configuring Fefd - Dell Z9000 Configuration Manual

10/25/40/50/100gbe throughput

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If the FEFD enabled system is configured to use FEFD in Normal mode and neighboring echoes are

not received after three intervals, (you can set each interval can be set between 3 and 300 seconds)

the state changes to unknown.

If the FEFD system has been set to Aggressive mode and neighboring echoes are not received after

three intervals, the state changes to Err-disabled. You must manually reset all interfaces in the Err-

disabled state using the fefd reset [interface] command in EXEC privilege mode (it can be

done globally or one interface at a time) before the FEFD enabled system can become operational

Table 22. State Change When Configuring FEFD

Link Failure Normal

Link Failure Aggressive

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

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

Local State Remote