Users Guide

ManualsBrandsDell ManualsAccess PlatformsC9010 Modular Chassis Switch

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Command Modes EXEC Privilege

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.

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.

C9000 Series

Syntax

fefd {disable|interval|mode {aggressive|normal}

Parameters

disable Enter the keyword disable to disable FEFD for the specified 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