Configuring OSPF Graceful Restart 307
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■ With the graceful-restart ietf command used, a device can act as a GR
Restarter and a GR Helper.
■ Without the graceful-restart ietf command used, a device can only act as a
GR Helper.
Configure the non-IETF standard OSPF GR capability
Follow these steps to configure non-IETF standard OSPF GR capability:
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■ With the graceful-restart command used, a device can act as a GR Restarter
and a GR Helper.
■ Without the graceful-restart command used, a device can only act as a GR
Helper.
Configuring the OSPF GR
Helper
Follow these steps to configure the OSPF GR Helper:
Enable the IETF standard
Graceful Restart capability for
OSPF
graceful-restart ietf Optional
Disabled by default
Configure the Graceful
Restart interval for OSPF
graceful-restart interval
timer
Optional
120 seconds by default
To do… Use the command… Remarks
To do… Use the command… Remarks
Enter system view system-view -
Enable OSPF and enter its
view
ospf [ process-id | router-id
router-id ] *
-
Enable the use of link-local
signaling
enable link-local-signaling Required
Disabled by default
Enable out-of-band
re-synchronization
enable
out-of-band-resynchroniza
tion
Required
Disabled by default
Enable non IETF standard
Graceful Restart capability for
OSPF
graceful-restart
[ nonstandard ]
Optional
Disabled by default
Configure Graceful Restart
interval for OSPF
graceful-restart interval
timer
Optional
120 seconds by default
To do… Use the command… Remarks
Enter system view system-view -
Enable OSPF and enter its
view
ospf [ process-id | router-id
router-id ] *
Required
Disabled by default
Enable OSPF local link
signaling
enable link-local-signaling Required
Disabled by default
Enable OSPF out of band
synchronization
enable
out-of-band-resynchroniza
tion
Required
Disabled by default
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