Fefd - Dell Z9500 Reference Manual

fefd

Enable Far-End Failure Detection on an interface, set the FEFD interval, or select the FEFD mode.
Z9500
Syntax
fefd {disable|interval|mode {aggressive|normal}
Parameters
disable
interval
mode
Defaults Disabled.
Command INTERFACE
Modes
Command
This guide is platform-specific. For command information about other platforms,
History
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
9.2(1.0)
8.3.19.0
8.3.11.1
8.3.12.0
Usage When you enter no fefd for an interface and fefd-global, FEFD is enabled on
Information 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.
1132
Enter the keyword disable to disable FEFD for the specified
interface.
Enter the keyword interval, followed by a value to specify the
FEFD interval in seconds. Range is from 3 to 300. Default is
15.
Enter the keyword mode followed by the mode type to
specify the FEFD mode.
• normal: 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 an "unknown" state, the
software brings down the line protocol.
• aggressive: 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 an "error-
disabled" state, you must enter the fefd reset
command to reset the interface state. Range is normal or
aggressive. Default is normal.
Description
Introduced on the Z9500.
Introduced on the S4820T.
Introduced on the Z9000.
Introduced on the S4810.
Layer 2