Cisco IE 4000 Software Configuration Guide

890
Configuring IP Unicast Routing
Configuring BFD
DETAILED STEPS
To disable IS-IS BFD on an interface, enter the no isis bfd or the isis bfd disable interface configuration command on
the interface.
EXAMPLE
This is an example of enabling BFD for IS-IS on a single interface:
Switch(config)# router is-is tag1
Switch(config-router)# exit
Switch(config)# interface gigabitethernet0/1
Switch(config-if)# isis bfd
Configuring BFD for BGP
When you start BFD sessions for BGP, BGP must be running on all participating devices. You enter the IP address of the
BFD neighbor to enable BFD for BGP.
BEFORE YOU BEGIN
 Configure BFD parameters on the interface as described in the Configuring BFD Session Parameters on an Interface,
page 886.
 Configure BGP as described in the Configuring BGP, page 846.
Command Purpose
1. configure terminal Enter global configuration mode.
2. router is-is area-tag Specify an IS-IS process and enter router configuration mode.
3. exit Return to global configuration mode.
4. interface interface-id Specify an interface, and enter interface configuration mode.
5. isis bfd Enable BFD on the specified IS-IS interface. Repeat Steps 3 and
4 for all IS-IS interfaces on which you want to run BFD sessions.
6. end Return to privileged EXEC mode.
7. show bfd neighbors [detail] Verify the configuration.
8. copy running-config
startup-config
(Optional) Save your entries in the configuration file.

Cisco IE 4000 Specifications

General

Product Type	Switch
Form Factor	DIN Rail Mountable
MAC Address Table Size	8000
Jumbo Frame Support	9216 bytes
Operating Temperature	-40°C to 70°C
Mean Time Between Failures (MTBF)	Over 500, 000 hours
Memory	256 MB DRAM
Mounting	DIN Rail, Wall
Certifications	EN 50121-4
Ports	8 x 10/100Base-TX Ethernet Ports