Configuring Ospf Graceful Restart; Configuring The Ospf Gr Restarter - HP 3600 v2 series Configuration Manual

To do...
Enter OSPF view
Enable OSPF FRR to designate a
backup next hop by using a routing
policy

Configuring OSPF Graceful Restart

OSPF GR involves the following:
IETF standard GR: Uses Opaque LSAs to implement GR
•
Non IETF standard GR: Uses link local signaling (LLS) to advertise GR capability and uses out of
•
band synchronization to synchronize the LSDB
A device can act as a GR Restarter and GR Helper at the same time.

Configuring the OSPF GR Restarter

You can configure the IETF standard or non IETF standard OSPF GR Restarter.
Configure the IETF standard OSPF GR Restarter
Follow these steps to configure the standard IETF OSPF GR Restarter:
To do...
Enter system view
Enable OSPF and enter its view
Enable opaque LSA advertisement
capability
Enable the IETF standard Graceful
Restart capability
Configure the Graceful Restart
interval
Configure the non-IETF standard OSPF GR Restarter
Follow these steps to configure non-IETF standard OSPF GR Restarter:
To do...
Enter system view
Enable OSPF and enter its view
Use the command...
ospf [ process-id | router-id
router-id | vpn-instance
vpn-instance-name ] *
fast-reroute route-policy
route-policy-name
Use the command...
system-view
ospf [ process-id | router-id
router-id | vpn-instance
vpn-instance-name ] *
opaque-capability enable
graceful-restart ietf
graceful-restart interval timer
Use the command...
system-view
ospf [ process-id | router-id
router-id | vpn-instance
vpn-instance-name ] *
95
Remarks
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Required
Not configured by default.
Remarks
—
—
Required
Disabled by default
Required
Disabled by default
Optional
120 seconds by default
Remarks
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