Administrator Guide

Version Description
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.
show fefd
View FEFD status globally or on a specific interface.
C9000 Series
Syntax
show fefd [interface]
Parameters
interface (OPTIONAL) Enter the following keywords and slot/port or number information:
● For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
● For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the
slot/ port information.
Command Modes
● EXEC
● 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.
Usage
Information
The following describes the show fefd command shown in the following example.
Field Description
Interface Displays the interfaces type and number.
Mode Displays the mode (aggressive or normal) or NA if the interface contains fefd
reset in its configuration.
Interval Displays the interval between FEFD packets.
State Displays the state of the interface and can be one of the following:
● bi-directional (interface is up, connected and hearing neighbor’s echoes).
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