CLI Guide

Field Description
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# show fefd
FEFD is globally 'ON', interval is 10 seconds, mode is
'Aggressive'.
INTERFACE MODE INTERVAL STATE
(second)
Gi 5/1 Aggressive 10 Admin Shutdown
Gi 5/2 Aggressive 10 Admin Shutdown
Gi 5/3 Aggressive 10 Admin Shutdown
Gi 5/4 Aggressive 10 Admin Shutdown
Gi 5/5 Aggressive 10 Admin Shutdown
Gi 5/6 Aggressive 10 Admin Shutdown
Gi 5/7 Aggressive 10 Admin Shutdown
Gi 5/8 Aggressive 10 Admin Shutdown
Gi 5/9 Aggressive 10 Admin Shutdown
Gi 5/10 NA NA Locally disabled
Gi 5/11 Aggressive 10 Err-disabled
Dell#
Related
Commands
fefd — enable far-end failure detection.
fefd disable — disable FEFD on an interface only.
fefd-global — enable FEFD globally on the system.
fefd reset — reset all interfaces or a single interface that was in “error-disabled”
mode.
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Layer 2