Administrator Guide

show fefd
View FEFD status globally or on a specific interface.
Syntax
show fefd [interface]
Parameters
interface (OPTIONAL) Enter the following keywords and the interface information:
● For a 1-GigabitEthernet interface, enter the keyword GigabitEthernet then
the slot/port information.
● For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
Command Modes
● EXEC
● EXEC Privilege
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
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).
● err-disabled (only found when FEFD mode is aggressive and when the interface
has not hearing its neighbor’s echoes for three times the message interval. To
reset an interface in this state, use the fefd reset command.)
● unknown (only found when FEFD mode is normal.
● locally disabled (interface contains the fefd reset command in its
configuration).
● Admin Shutdown (interface is disabled with the shutdown command).
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