Reference Guide

Layer 2 | 767
fefd-global
e z
Enable FEFD globally on the system.
Syntax
fefd-global [interval seconds] [mode {normal | aggressive}]
To disable FEFD globally, use the no fefd-global [mode {normal | aggressive}] command
syntax.
Parameters
Defaults
Disabled.
Command Modes
CONFIGURATION
Related
Commands
Command
History
Usage
Information
If you enter only the fefd-global syntax, the mode is normal and the default interval is 15
seconds.
If you disable FEFD globally (no fefd-global), the system does not remove the FEFD
interface configuration.
interval seconds Enter the keyword interval followed by a number as the time between FEFD
control packets.
Range: 3 to 300 seconds
Default: 15 seconds
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.
fefd Enable Far-End Failure Detection.
fefd reset Configure an interval between FEFD control packets.
show fefd
Version 9.0.0.0 Introduced on Z9000
Version 8.3.12.0 Introduced on S4810.
Legacy E-Series command