Reference Guide

Usage
Information
When you enter no fefd for an interface and fefd-global, FEFD is enabled on the interface
because the no fefd command is not retained in the configuration file. To keep the interface
FEFD disabled when the global configuration changes, use the
fefd reset command.
Related
Commands
• fefd reset – enables FEFD globally on the system.
• fefd mode – changes FEFD mode on an interface.
fefd interval
Set an interval between control packets.
E-Series, S4810
Syntax
fefd interval seconds
To return to the default value, use the no fefd interval command.
Parameters
seconds Enter a number as the time between FEFD control packets. The range
is 3 to 300 seconds. The default is 15 seconds.
Defaults 15 seconds
Command Modes INTERFACE
Command History
Version 8.3.12.0 Introduced on the S4810.
Legacy E-Series
command.
Related
Commands
• fefd – enables far-end failure detection.
fefd mode
Change the FEFD mode on an interface.
E-Series, S4810
Syntax
fefd mode {normal | aggressive}]
To return the FEFD mode to the default of normal, use the no fefd mode command.
Parameters
normal (OPTIONAL) Enter the keyword normal to change the link state to
“unknown” when a far-end failure is detected by the software on that
interface. When the interface is placed in “unknown” state, the
software brings down the line protocol.
aggressive (OPTIONAL) Enter the keyword aggressive to change the link
state to “error-disabled” when a far-end failure is detected by the
software on that interface. When an interface is placed in “error-
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