Cisco Catalyst 4500 series Administration Manual page 932

How to Configure Bidirectional Forwarding Detection
To configure BFD support for OSPF for all interfaces:
Command or Action
Step 1
enable
Switch> enable
Step 2
configure terminal
Switch# configure terminal
Step 3
Switch ospf process-id
Switch(config)# router ospf 4
Step 4
bfd all-interfaces
Switch(config-router)# bfd all-interfaces
Step 5
end
Switch(config-if)# end
Step 6
show bfd neighbors [details]
Switch# show bfd neighbors detail
Step 7
show ip ospf
Switch# show ip ospf
What to Do Next
See the
monitoring and troubleshooting BFD. If you want to configure BFD support for another routing
protocol, see the following sections:
•
•
Configuring BFD Support for OSPF for One or More Interfaces
To configure BFD on one or more OSPF interfaces, perform the steps in this section.
Prerequisites
OSPF must be running on all participating switches.
The baseline parameters for BFD sessions on the interfaces over which you want to run BFD sessions to
BFD neighbors must be configured. See the
section on page 39-8
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)SG
39-12
"Monitoring and Troubleshooting BFD" section on page 39-17
Configuring BFD Support for BGP, page 39-9
Configuring BFD Support for EIGRP, page 39-10
for more information.
Chapter 39 Configuring Bidirection Forwarding Detection
Purpose
Enables privileged EXEC mode.
• Enter your password if prompted.
Enters global configuration mode.
Specifies an OSPF process and enters router configuration
mode.
Enables BFD globally on all interfaces associated with the
OSPF routing process.
Exits interface configuration mode and returns the switch to
privileged EXEC mode.
(Optional) Displays information that can help verify if the
BFD neighbor is active and displays the routing protocols
that BFD has registered.
(Optional) Displays information that can help verify if BFD
for OSPF has been enabled.
"Configuring BFD Session Parameters on the Interface"
for more information on
OL_28731-01