Cisco Catalyst 4500 Series Software Configuration Guide

40-17
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
Configuration Examples for Bidirectional Forwarding Detection
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.
For more information about BFD session initiation and failure, refer to the “BFD Operation” section on
page 40-3.
To monitor and troubleshoot BFD, perform the following steps:
Configuration Examples for Bidirectional Forwarding Detection
This section provides the following configuration examples:
• Example: Configuring BFD in an EIGRP Network with Echo Mode Enabled by Default, page 40-17
• Example: Configuring BFD in an OSPF Network, page 40-22
• Example: Configuring BFD Hardware-Offload support in a BGP Network Network, page 40-25
• Example: Configuring BFD Support for Static Routing, page 40-27
Example: Configuring BFD in an EIGRP Network with Echo Mode Enabled by
Default
The following example shows how to configure BFD in an EIGRP network with echo mode enabled by
default.
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.
Command or Action Purpose
Command or Action Purpose
Step 1
enable
Switch> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
show bfd neighbors [details]
Switch# show bfd neighbors details
(Optional) Displays the BFD adjacency database.
• The details keyword shows all BFD protocol
parameters and timers per neighbor.
Step 3
debug bfd [packet | event]
Switch# debug bfd packet
(Optional) Displays debugging information about BFD
packets.

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