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Configuring OSPF GR helper
You can configure the IETF or non-IETF OSPF GR helper.
Configuring the IETF OSPF GR helper
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enable OSPF and enter its
view.
ospf
[
process-id |
router-id
router-id |
vpn-instance
vpn-instance-name ] *
N/A
3. Enable opaque LSA
reception and advertisement
capability.
opaque
-
capability
enable
By default, opaque LSA reception
and advertisement capability is
enabled.
4. (Optional.) Enable GR helper
capability.
graceful-restart helper enable
[
planned-only
]
By default, GR helper capability is
enabled.
5. (Optional.) Enable strict LSA
checking for the GR helper.
graceful-restart helper
strict-lsa-checking
By default, strict LSA checking for
the GR helper is disabled.
Configuring the non-IETF OSPF GR helper
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enable OSPF and enter its
view.
ospf
[
process-id |
router-id
router-id |
vpn-instance
vpn-instance-name ] *
N/A
3. Enable the link-local
signaling capability.
enable link-local-signaling
By default, the link-local signaling
capability is disabled.
4. Enable the out-of-band
re-synchronization capability.
enable
out-of-band-resynchronization
By default, the out-of-band
re-synchronization capability is
disabled.
5. (Optional.) Enable GR
helper.
graceful-restart helper enable
By default, GR helper is enabled.
6. (Optional.) Enable strict LSA
checking for the GR helper.
graceful-restart helper
strict-lsa-checking
By default, strict LSA checking for
the GR helper is disabled.
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:
Task Command
Trigger OSPF GR.
reset ospf
[ process-id ]
process graceful-restart
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