fast-reroute (OSPF view)

Use fast-reroute to configure OSPF FRR.

Use undo fast-reroute to restore the default.

Syntax

fast-reroute { lfa [ abr-only ] | route-policy route-policy-name }

undo fast-reroute

Default

OSPF FRR is disabled.

Views

OSPF view

Predefined user roles

network-admin

Parameters

lfa: Uses the LFA algorithm to calculate a backup next hop for all routes.

abr-only: Uses the next hop of the route to the ABR as the backup next hop.

route-policy route-policy-name: Uses a routing policy to designate a backup next hop. The route-policy-name argument is a case-sensitive string of 1 to 63 characters.

Usage guidelines

When both OSPF FRR and PIC are configured, OSPF FRR takes effect.

Do not use the fast-reroute lfa command together with the vlink-peer command.

Examples

# Enable FRR to calculate a backup next hop for all routes by using LFA algorithm in OSPF process 1.

<Sysname> system-view
[Sysname] ospf 1
[Sysname-ospf-1] fast-reroute lfa