H3C Technologies H3C S12500-X Series Switches - Manual (Page 108)

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Step Command Remarks
6. Enter OSPF view.
ospf [ process-id | router-id
router-id | vpn-instance
vpn-instance-name ] *
N/A
7. Enable OSPF FRR to calculate
a backup next hop by using
the LFA algorithm. fast-reroute lfa [ abr-only ]
By default, OSPF FRR is not configured.
If abr-only is specified, the route to the
ABR is selected as the backup path.
235B
Configuring OSPF FRR to specify a backup next hop using a
routing policy
Before you configure this task, use the apply fast-reroute backup-interface command to specify a backup
next hop in the routing policy to be referenced. For more information about the apply fast-reroute
backup-interface command and routing policy configuration, see "
994H
Configuring routing policies ."
To configure OSPF FRR to specify a backup next hop using a routing policy:
Step Command Remarks
1. Enter system view. system-view N/A
2. Configure the source address
of echo packets.
bfd echo-source-ip ip-address
By default, the source address of
echo packets is not configured.
3. Enter OSPF view.
ospf [ process-id | router-id
router-id | vpn-instance
vpn-instance-name ] *
N/A
4. Enable OSPF FRR to specify a
backup next hop by using a
routing policy.
fast-reroute route-policy
route-policy-name By default, OSPF FRR is not
configured.
55B
Displaying and maintaining OSPF
Execute display commands in any view and reset commands in user view.
Task Command
Display OSPF process information
(in standalone mode).
display ospf [ process-id ] [ verbose ] [ standby slot slot-number ]
Display OSPF process information
(in IRF mode). display ospf [ process-id ] [ verbose ] [ standby chassis chassis-number
slot slot-number ]
Display OSPF GR information. display ospf [ process-id ] graceful-restart [ verbose ]
Display OSPF FRR backup next hop
information.
display ospf [ process-id ] [ area area-id ] fast-reroute lfa-candidate
Display OSPF LSDB information (in
standalone mode).
display ospf [ process-id ] lsdb [ area area-id | brief | [ { asbr | ase |
network | nssa | opaque-area | opaque-as | opaque-link | router |
summary } [ link-state-id ] ] [ originate-router advertising-router-id |
self-originate ] ] [ standby slot slot-number ]