Users Guide
Version Description
8.3.11.1 Introduced on the Z9000.
8.3.12.0 Introduced on the S4810.
Legacy E-Series 
command.
Related Commands
• fefd — enables far-end failure detection.
fefd-global interval
Congure an interval between FEFD control packets.
S4820T
Syntax
fefd-global interval seconds
To return to the default value, use the no fefd-global interval command.
Parameters
seconds Enter a number as the time between FEFD control packets. The range is from 3 to 
300 seconds. The default is 15 seconds.
Defaults 15 seconds
Command Modes CONFIGURATION
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell 
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the S6000-ON.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
Legacy E-Series 
command.
Related Commands
• fefd — enables far-end failure detection.
• fefd-global — enables FEFD globally on the system.
fefd-global
Enable FEFD globally on the system.
S4820T 
Syntax
fefd-global [interval seconds][mode {normal | aggressive}]
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