View
OSPF view
Default level
2: System level
Parameters
acl-number
: Basic or advanced ACL number, in the range of 2000 to 3999.
prefix-list
: Name of the specified IP prefix list, a string of 1 to 19 characters.
Description
Use
graceful-restart help
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.)
Use
undo graceful-restart help
to restore the default.
By default, the router can serve as a GR Helper for any OSPF neighbor.
Examples
# Enable IETF standard GR 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] opaque-capability enable
[Sysname-ospf-1] graceful-restart help 2001
# Enable non IETF standard GR 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] enable link-local-signaling
[Sysname-ospf-1] enable out-of-band-resynchronization
[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
Default level
2: System level
Parameters
interval-value
: Specifies the Graceful Restart interval, in the range of 40 to 1,800 seconds.
Description
Use
graceful-restart interval
to configure the Graceful Restart interval.
Use
undo graceful-restart interval
to restore the default Graceful Restart interval.
By default, the Graceful Restart interval is 120 seconds.
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