CLI Guide

Version Description
Legacy E-Series
command.
Related
Commands
• fefd — enable far-end failure detection.
fefd mode
Change the FEFD mode on an interface.
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 the software
detects 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 the
software detects on that interface. When an interface is
placed in “error-disabled” state, enter the fefd reset
command to reset the interface state.
Defaults Normal
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms,
see the relevant Dell Networking OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
Layer 2
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