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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
9.2(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).
• 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).
Example
Dell#sh fefd
FEFD is globally 'ON', interval is 10 seconds, mode is
'Aggressive'.
INTERFACE MODE INTERVAL STATE
(second)
Te 1/0 Aggressive 10 Admin Shutdown
Te 1/1 Aggressive 10 Admin Shutdown
Te 1/2 Aggressive 10 Admin Shutdown
Te 1/3 Aggressive 10 Admin Shutdown
Te 1/4 Aggressive 10 Admin Shutdown
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