Connectivity Guide

Default Not congured
Command Mode EXEC
Usage Information
If you do not enter the interface name, this command resets the error-disabled state of all interfaces because
FEFD is set to Aggressive mode.
Example
OS10# fefd reset
OS10# fefd reset ethernet 1/1/2
Supported Releases 10.4.3.0 or later
show fefd
Displays FEFD information globally or for a specic interface.
Syntax
show fefd [interface]
Parameters
• (Optional) interface—Enter the interface information.
Default Not congured
Command Mode EXEC and EXEC Privilege
Usage Information
The following table describes the elds in the show fefd command output:
Field Description
Interface Displays the interface name
Mode Displays the mode—Aggressive, Normal, or NA when the interface contains fefd
reset in its conguration.
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 receiving echoes of its neighbor.
• Err-disabled—Only found when FEFD mode is Aggressive and when the interface has
not received three echoes of its neighbor. To reset an interface in this state, use the
fefd reset command.
• Unknown—Shown when FEFD is enabled and changes to bi-directional after
successful handshake with the peer. Also shown if the peer goes down in
normal
mode.
• Locally disabled—Interface contains the fefd reset command in its conguration.
• Admin Shutdown—Interface is disabled using the shutdown command.
• Line protocol is down—The state on the remote device when an interface of the local
device is disabled with the shutdown command.
Example
OS10# show fefd
FEFD is globally 'ON', interval is 22 seconds,mode is NORMAL.
INTERFACE MODE INTERVAL STATE
============================================================
eth1/1/1 Normal 22 Unknown
eth1/1/2 Normal 22 Unknown
eth1/1/3 Normal 22 Unknown
Layer 2 271