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DES-7200 Configuration Guide Chapter 3 BFD Configuration
3-13
3.3.3 Configuring the BFD Echo
Function
By default, the BFD echo function is enabled. Enabling the echo function does
not influence the established session state. With the echo function disabled, the
echo packets will not be sent, and not be received on the forwarding panel.
Follow the following steps to configure the BFD echo function:
Command Function
DES-7200>enable
Enter the privileged mode.
DES-7200# configure terminal
Enter the global configuration mode.
DES-7200(config)# interface type
number
Enter the interface configuration mode.
DES-7200(config-if)#bfd echo Enable the echo function.
DES-7200(config-if)# end
Exit the interface configuration mode and
return to the privileged mode.
Use the no bfd echo command in the interface configuration mode to disable
the BFD echo function.
The following example shows how to configure the BFD echo function on the
Routed Port FastEthernet 0/2:
DES-7200# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
DES-7200(config)# interface fastEthernet 0/2
DES-7200(config-if)# bfd echo
After enabling the echo function in the BFD asynchronous mode, the slower
frequency can be adopted to send the BFD control packets.
Follow the following steps to configure this parameter:
Command Function
DES-7200>enable
Enter the privileged mode.
DES-7200# configure terminal
Enter the global configuration mode.
DES-7200(config)# bfd slow-timer
[milliseconds]
Configure the time of the slow-timer, in
milliseconds, ranging from 1000 to 30000.
The default value is 1000.
DES-7200(config-if)# end
Exit the global configuration mode.
Use the no bfd slow-timer command in the global configuration mode to
restore it to the default value.