Users Guide

• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the
slot/port information.
Command Modes EXEC Privilege
Command History
This guide is platform-specic. 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
9.7(0.0) Introduced on the S6000-ON.
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.
Related Commands
• fefd — enables far-end failure detection on an interface.
• fefd reset — enables FEFD globally on the system.
fefd
Enable Far-End Failure Detection on an interface, set the FEFD interval, or select the FEFD mode.
S4820T
Syntax
fefd {disable|interval|mode {aggressive|normal}
Parameters
disable Enter the keyword disable to disable FEFD for the specied interface.
interval Enter the keyword interval, followed by a value to specify the FEFD interval in
seconds. Range is from 3 to 300. Default is 15.
mode Enter the keyword mode followed by the mode type to specify the FEFD mode.
• normal: Change the link state to “unknown” when a far-end failure is detected
by the software on that interface. When the interface is placed in an
“unknown” state, the software brings down the line protocol.
• aggressive: Change the link state to “error-disabled” when a far-end failure is
detected by the software on that interface. When an interface is placed in an
“error-disabled” state, you must enter the fefd reset command to reset the
interface state. Range is normal or aggressive. Default is normal.
Defaults Disabled.
Command Modes INTERFACE
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
948
Layer 2