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1135
Description Use the graceful-restart help command to configure for which OSPF neighbors
the current router can serve as a GR Helper. (The neighbors are specified by the
ACL or the IP prefix list.)
By default, the router can serve as a GR Helper for any OSPF neighbor.
Examples # Enable GR Help for OSPF process 1 and configure the router as a GR Helper for
OSPF neighbors defined in the ACL 2001.
<Sysname> system-view
[Sysname] ospf 1
[Sysname-ospf-1] graceful-restart help 2001
graceful-restart interval (OSPF view)
Syntax graceful-restart interval interval-value
undo graceful-restart interval
View OSPF view
Parameters interval-value: Specifies the Graceful Restart interval, in the range 40 to 1,800
seconds.
Description Use the
graceful-restart interval command to configure the Graceful Restart
interval.
Use the
undo graceful-restart interval command to restore the default
Graceful Restart interval.
By default, the Graceful Restart interval is 120 seconds.
Note that the Graceful Restart interval of OSPF cannot be less than the maximum
value of dead intervals on all OSPF interfaces; otherwise, the Graceful Restart of
OSPF may fail.
Related commands: ospf timer dead.
Examples # Configure the Graceful Restart interval for OSPF process 1 as 100 seconds.
<Sysname> system-view
[Sysname] ospf 1
[Sysname-ospf-1] graceful-restart interval 100
host-advertise
Syntax host-advertise ip-address cost
undo host-advertise ip-address