Reference Guide

994 | Layer 2
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fefd disable
e
Disable FEFD on an interface only. This command overrides the fefd reset command
for the interface.
Syntax
fefd disable
To re-enable FEFD on an interface, enter no fefd disable.
Default
Not configured.
Command Modes
INTERFACE
Related
Commands
Command
History
fefd-global
e
Enable FEFD globally on the system.
Syntax
fefd-global [mode {normal | aggressive}]
To disable FEFD globally, use the no fefd-global [mode {normal | aggressive}]
command syntax.
Parameters
Defaults
Disabled.
Version 8.3.12.0 Introduced on S4810.
Legacy E-Series command
fefd disable Disable Far-End Failure Detection on an interface.
fefd reset Enable FEFD globally on the system.
Version 8.3.19.0 Introduced on S4820T.
Version 8.3.12.0 Introduced on S4810.
Legacy E-Series command
normal (OPTIONAL) Enter the keywords mode 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.
Default: Normal mode
aggressive (OPTIONAL) Enter the keyword mode 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.