Users Guide

Version Description
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.
Related
Commands
● fefd — enables far-end failure detection.
● fefd-global — enables FEFD globally on the system.
fefd-global
Enable FEFD globally on the system.
C9000 Series
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, 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 Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.12.0 Introduced on the S4810.
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 — enables far-end failure detection.
● fefd-global interval — configures an interval between FEFD control packets.
● show fefd — shows the FEFD command output.
1004 Layer 2