Administrator Guide

Related
Commands
• fefd reset — clear an interface in Err-disabled state. It doesn’t work until the interface is in err-disabled state.
• fefd mode — change FEFD mode on an interface.
fefd interval
Set an interval between control packets.
Syntax
fefd interval seconds
To return to the default value, use the no fefd interval command.
Parameters
seconds Enter a number as the time between FEFD control packets. The range is from 3 to 255
seconds. The default is 15 seconds.
Defaults 15 seconds
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100–ON.
9.8(2.0) Introduced on the S3100 series.
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
882 Layer 2