37-16
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
OL-25340-01
Chapter 37 Configuring Bidirection Forwarding Detection
How to Configure Bidirectional Forwarding Detection
Disabling BFD Echo Mode Without Asymmetry
The steps in this procedure show how to disable BFD echo mode without asymmetry —no echo packets
will be sent by the switch, and the switch will not forward BFD echo packets that are received from any
neighbor switches.
Repeat the steps in this procedure for each BFD switch.
To disable BFD echo mode without asymmetry, perform this task:
Monitoring and Troubleshooting BFD
This section describes how to retrieve BFD information for maintenance and troubleshooting. The
commands in these tasks can be entered as needed, in any order desired.
For more information about BFD session initiation and failure, refer to the “BFD Operation” section on
page 37-2.
To monitor and troubleshoot BFD, perform the following steps:
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.
Step 4
no bfd echo
Example:
Switch(config-if)# no bfd echo
Disables BFD echo mode.
Step 5
end
Example:
Switch(config-if)# end
Exits global configuration mode and returns
the switch to global configuration mode.
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