Reference Guide

996 | Layer 2
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fefd interval
e
Set an interval between control packets.
Syntax
fefd interval seconds
To return to the default value, enter no fefd interval.
Parameters
Defaults
15 seconds
Command Modes
INTERFACE
Related
Commands
Command
History
fefd mode
e
Change the FEFD mode on an interface.
Syntax
fefd mode {normal | aggressive}]
To return the FEFD mode to the default of normal, enter no fefd mode.
Parameters
Defaults
normal
Command Modes
INTERFACE
Related
Commands
seconds
Enter a number as the time between FEFD control packets.
Range: 3 to 300 seconds
Default: 15 seconds
fefd Enable Far-End Failure Detection.
Version 8.3.19.0 Introduced on S4820T.
Version 8.3.12.0 Introduced on S4810.
Legacy E-Series command
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-disabled” state, you must enter the fefd reset
command to reset the interface state.
fefd Enable Far-End Failure Detection.