Administrator Guide

Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
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.
Legacy E-Series
command.
Usage Information You can set up the interval between control packets using the fefd interval 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-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
Layer 2 949