Reference Guide

534 | Layer 2
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Report interval frequency and mode adjustments can be made by supplementing this command as well.
Entering the
show fefd command in EXEC privilege mode displays information about the state of each
interface.
Figure 24-11. Show FEFD global outputs
Enable FEFD on an Interface
Entering the command fefd in INTERFACE mode enables FEFD on a per interface basis. To change the
FEFD mode, supplement the
fefd command in INTERFACE mode by entering the command fefd [mode
{
aggressive | normal}].
To disable FEFD protocol on one interface, enter the command
fefd disable in INTERFACE mode.
Disabling an interface will shut down all protocols working on that interface’s connected line, and will not
delete your previous FEFD configuration which can be enabled again at any time.
Step Task Command Syntax Command Mode
1 Setup two or more connected
interfaces for Layer 2 or Layer 3 use
ip address ip
address,
switchport
INTERFACE
2 Activate the necessary ports
administratively
no shutdown INTERFACE
3 Enable fefd globally fefd {interval |
mode}
CONFIGURATION
Step Task Command Syntax Command Mode
1 Setup two or more connected
interfaces for Layer 2 or Layer 3 use
ip address ip
address,
switchport
INTERFACE
2 Activate the necessary ports
administratively
no shutdown INTERFACE
FTOS#show fefd
FEFD is globally 'ON', interval is 3 seconds, mode is 'Normal'.
INTERFACE MODE INTERVAL STATE
(second)
Gi 1/0 Normal 3 Bi-directional
Gi 1/1 Normal 3 Admin Shutdown
Gi 1/2 Normal 3 Admin Shutdown
Gi 1/3 Normal 3 Admin Shutdown
FTOS#show run fefd
!
fefd-global mode normal
fefd-global interval 3