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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 40 Configuring Bidirection Forwarding Detection
How to Configure Bidirectional Forwarding Detection
Configuring the BFD Slow Timer
The steps in this procedure show how to change the value of the BFD slow timer. Repeat the steps in this
procedure for each BFD switch.
To configure the BFD slow timer, perform this task:
Disabling BFD Echo Mode Without Asymmetry
The steps in this procedure show how to disable BFD echo mode without asymmetry —no echo packets
are sent by the switch, and the switch does not forward BFD echo packets that are received from
neighboring switches.
Repeat the steps in this procedure for each BFD switch.
To disable BFD echo mode without asymmetry, perform this task:
Command or Action Purpose
Step 1
enable
Switch> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Switch# configure terminal
Enters global configuration mode.
Step 3
bfd slow-timer milliseconds
Switch(config)# bfd slow-timer 12000
Configures the BFD slow timer.
Step 4
end
Switch(config)# end
Exits global configuration mode and returns
the switch to privileged EXEC mode.
Command or Action Purpose
Step 1
enable
Example:
Switch> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Switch# configure terminal
Enters global configuration mode.
Step 3
interface type number
Example:
Switch(config)# interface GigabitEthernet 6/1
Enters interface configuration mode.