Fast-Reroute; Fast-Reroute Remote-Lfa Maximum-Cost - H3C S6550X-HI Series Command Reference Manual

Examples
# Set the number of route calculation logs to 50 in OSPF process 100.
<Sysname> system-view
[Sysname] ospf 100
[Sysname-ospf-100] event-log spf size 50

fast-reroute

Use
fast-reroute
Use
undo fast-reroute
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
: Uses the LFA algorithm to calculate a backup next hop for all routes.
lfa
: Uses the next hop of the route to the ABR as the backup next hop.
abr-only
route-policy route-policy-name
The
route-policy-name
Usage guidelines
When both OSPF FRR and PIC are configured, OSPF FRR takes effect.
Do not use the
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

fast-reroute remote-lfa maximum-cost

Use
fast-reroute remote-lfa maximum-cost
node of a protected link to a PQ node.
Use
undo fast-reroute remote-lfa maximum-cost
Syntax
fast-reroute remote-lfa maximum-cost cost
undo fast-reroute remote-lfa maximum-cost
to configure OSPF FRR.
to restore the default.
argument is a case-sensitive string of 1 to 63 characters.
fast-reroute lfa
: Uses a routing policy to designate a backup next hop.
command together with the
to set the maximum cost from the source
78
command.
vlink-peer
to restore the default.