Administrator Guide

Related
Commands
• fefd — enable far-end failure detection.
• fefd-global — enable FEFD globally on the system.
fefd-global
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.
Parameters
interval seconds Enter the keyword interval followed by the number of seconds to wait between FEFD
control packets. Range is from 3 to 300 seconds. Default is 15 seconds.
normal (OPTIONAL) Enter the keywords mode 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. The default is
Normal mode.
aggressive (OPTIONAL) Enter the keywords mode 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, t enter the fefd reset command to reset
the interface state.
Defaults Disabled.
Command Modes CONFIGURATION
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.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.12.0 Introduced on the S4810.
Legacy E-Series
command.
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.
Related
Commands
• fefd — enable far-end failure detection.
• fefd-global interval — configure an interval between FEFD control packets.
• show fefd — display the FEFD command output.
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