Configuring Bfd Support For Is-Is For All Interfaces - Cisco Catalyst 9500 series Configuration Manual

Configuring Bidirectional Forwarding Detection

Configuring BFD Support for IS-IS for All Interfaces

To configure BFD on all IS-IS interfaces that support IPv4 routing, perform the steps in this section.
Procedure
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Command or Action
enable
Example:
Device> enable
configure terminal
Example:
Device# configure terminal
router isis area-tag
Example:
Device(config)# router isis tag1
bfd all-interfaces
Example:
Device(config-router)# bfd
all-interfaces
exit
Example:
Device(config-router)# exit
interface type number
Example:
Device(config)# interface
fastethernet 6/0
ip router isis [ tag ]
Example:
Device(config-if)# ip router isis
tag1
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
How to Configure Bidirectional Forwarding Detection
Purpose
Enables privileged EXEC mode.
• Enter your password if prompted.
Enters global configuration mode.
Specifies an IS-IS process and enters router
configuration mode.
Enables BFD globally on all interfaces associated with
the IS-IS routing process.
(Optional) Returns the router to global configuration
mode.
(Optional) Enters interface configuration mode.
(Optional) Enables support for IPv4 routing on the
interface.
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