ospf fast-reroute lfa-backup

Use ospf fast-reroute lfa-backup to enable LFA on an interface.

Use undo ospf fast-reroute lfa-backup to disable LFA on an interface.

Syntax

ospf fast-reroute lfa-backup

undo ospf fast-reroute lfa-backup

Default

LFA is enabled on an interface.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

An interface enabled with LFA can be selected as a backup interface. After you disable LFA on the interface, it cannot be selected as a backup interface.

Examples

# Disable VLAN-interface 11 from calculating a backup next hop by using the LFA algorithm.

<Sysname> system-view
[Sysname] interface vlan-interface 11
[Sysname-Vlan-interface11] undo ospf fast-reroute lfa-backup