Configuring Ospf Gr Helper; Triggering Ospf Gr - HP FlexFabric 12900E Series Configuration Manual

Step
5. Enable non-IETF GR.
6. (Optional.)
interval.

Configuring OSPF GR helper

You can configure the IETF or non-IETF OSPF GR helper.
Configuring the IETF OSPF GR helper
Step
1. Enter system view.
2. Enable OSPF and enter its
view.
3. Enable
reception and advertisement
capability.
4. (Optional.) Enable GR helper
capability.
5. (Optional.) Enable strict LSA
checking for the GR helper.
Configuring the non-IETF OSPF GR helper
Step
1. Enter system view.
2. Enable OSPF and enter its
view.
3. Enable
signaling capability.
4. Enable
re-synchronization capability.
5. (Optional.)
helper.
6. (Optional.) Enable strict LSA
checking for the GR helper.

Triggering OSPF GR

OSPF GR is triggered by an active/standby switchover or when the following command is executed.
To trigger OSPF GR, perform the following command in user view:
Command
graceful-restart [ nonstandard ]
[ global | planned-only ] *
Set the GR
graceful-restart interval interval
Command
system-view
ospf [ process-id | router-id
router-id
vpn-instance-name ] *
opaque LSA
opaque-capability enable
graceful-restart helper enable
[ planned-only ]
graceful-restart
strict-lsa-checking
Command
system-view
ospf [ process-id | router-id
router-id
vpn-instance-name ] *
the link-local
enable link-local-signaling
the out-of-band
enable
out-of-band-resynchronization
Enable GR
graceful-restart helper enable
graceful-restart
strict-lsa-checking
| vpn-instance
helper
| vpn-instance
helper
98
Remarks
By default, non-IETF
capability is disabled.
By default, the GR interval is 120
seconds.
Remarks
N/A
N/A
By default, opaque LSA reception
and advertisement capability is
enabled.
By default, GR helper capability is
enabled.
By default, strict LSA checking for
the GR helper is disabled.
Remarks
N/A
N/A
By default, the link-local signaling
capability is disabled.
By default, the out-of-band
re-synchronization capability is
disabled.
By default, GR helper is enabled.
By default, strict LSA checking for
the GR helper is disabled.
GR