Specifications

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Cisco Nexus 3000 Series NX-OS Unicast Routing Configuration Guide, Release 5.0(3)U2(2)
OL-25782-02
Chapter 7 Configuring Bidirectional Forwarding Detection for BGP
Configuring BFD
Configure the BFD session parameters. See the “Configuring Global BFD Parameters” section on
page 7-6 or the “Configuring BFD on an Interface” section on page 7-8.
Ensure that these subinterfaces connect to another Cisco NX-OS device. This feature is supported on
Cisco NX-OS only.
SUMMARY STEPS
1. configure terminal
2. interface int-if
3. bfd optimize subinterface
4. (Optional) show running-config bfd
5. (Optional) copy running-config startup-config
DETAILED STEPS
Command Purpose
Step 1
configure terminal
Example:
switch# configure terminal
switch(config)#
Enters configuration mode.
Step 2
interface int-if
Example:
switch(config)# interface ethernet 2/1
switch(config-if)#
Enters interface configuration mode. Use the ?
keyword to display the supported interfaces.
Step 3
bfd optimize subinterface
Example:
switch(config-if)# bfd optimize
subinterface
Optimizes subinterfaces on a BFD-enabled interface.
The default is disabled.
To disable optimized subinterfaces, use the
no bfd
optimize subinterfaces
command.
Step 4
show running-config bfd
Example:
switch(config-if)# show running-config
bfd
(Optional) Displays the BFD running configuration.
Step 5
copy running-config startup-config
Example:
switch(config-if)# copy running-config
startup-config
(Optional) Saves this configuration change.