Cisco Catalyst 4500 Series Software Configuration Guide

40-13
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
To configure BFD supporter for OSPF for one or more interfaces, perform this task:
What to Do Next
See the “Monitoring and Troubleshooting BFD” section on page 40-17 for more information on
monitoring and troubleshooting BFD. If you want to configure BFD support for another routing
protocol, see the following sections:
• Configuring BFD Support for BGP, page 40-9
• Configuring BFD Support for EIGRP, page 40-10
Configuring BFD Support for Static Routing
Perform this task to configure BFD support for static routing. Repeat the steps in this procedure on each
BFD neighbor. For more information, see the “Example: Configuring BFD Support for Static Routing”
section on page 40-27.
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
interface type number
Switch(config)# interface gigabitethernet 6/1
Enters interface configuration mode.
Step 4
ip ospf bfd [disable]
Switch(config-if)# ip ospf bfd
Enables or disables BFD on a per-interface basis for one or
more interfaces associated with the OSPF routing process.
Note You should use the disable keyword only if you
enabled BFD on all of the interfaces that OSPF is
associated with using the bfd all-interfaces
command in switch configuration mode.
Step 5
end
Switch(config-if)# end
Exits interface configuration mode and returns the switch to
privileged EXEC mode.
Step 6
show bfd neighbors [details]
Switch# show bfd neighbors details
(Optional) Displays information that can help verify if the
BFD neighbor is active and displays the routing protocols
that BFD has registered.
Note If hardware-offloaded BFD sessions are configured
with Tx and Rx intervals that are not multiples of
50 ms, the hardware intervals are changed.
However, output from the show bfd neighbors
details command displays the configured intervals,
not the changed ones.
Step 7
show ip ospf
Switch# show ip ospf
(Optional) Displays information that can help verify if BFD
support for OSPF has been enabled.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E