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Default
The maximum SPF calculation interval is 5 seconds, the minimum interval is 50 milliseconds, and the
incremental interval is 200 milliseconds.
Views
OSPFv3 view
Predefined user roles
network-admin
Parameters
maximum-interval: Specifies the maximum OSPFv3 route calculation interval in the range of 1 to 60
seconds.
minimum-interval: Specifies the minimum OSPFv3 route calculation interval in the range of 10 to 60000
milliseconds.
incremental-interval: Specifies the incremental OSPFv3 route calculation interval in the range of 10 to
60000 milliseconds.
Usage guidelines
Based on the LSDB, an OSPFv3 router uses SPF to calculate a shortest path tree with itself being the root.
OSPFv3 uses the shortest path tree to determine the next hop to a destination. By adjusting the SPF
calculation interval, you can prevent overconsumption of bandwidth and router resources due to frequent
topology changes.
For a stable network, the minimum interval is used. If network changes become frequent, the SPF
calculation interval is incremented by the incremental interval for each calculation until the maximum
interval is reached.
The minimum interval and the incremental interval cannot be greater than the maximum interval.
Examples
# Configure the maximum SPF calculation interval as 10 seconds, minimum interval as 500 milliseconds
and incremental interval as 300 milliseconds.
<Sysname> system-view
[Sysname] ospfv3 100
[Sysname-ospfv3-100] spf-schedule-interval 10 500 300
stub (OSPFv3 area view)
Use stub to configure an area as a stub area.
Use undo stub to restore the default.
Syntax
stub [ default-route-advertise-always | no-summary ] *
undo stub
Default
No area is configured as a stub area.
Views
OSPFv3 area view
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