9-44
Parameters
delay-interval
: Interval in seconds between when OSPFv3 receives a topology change and when it
starts SPF calculation. in the range 1 to 65535.
hold-interval
: Hold interval in seconds between two consecutive SPF calculations, in the range 1 to
65535.
Description
Use the
spf timers
command to configure the delay interval and hold interval for OSPFv3 SPF
calculation.
Use the
undo spf timers
command to restore the default.
The delay interval and hold interval default to 5s and 10s.
An OSPFv3 router works out a shortest path tree with itself as root based on the LSDB, and decides
on the next hop to a destination network according the tree. Adjusting the SPF calculation interval can
restrain bandwidth and router resource from over consumption due to frequent network changes.
Examples
# Configure the delay interval and hold interval as 6 seconds for SPF calculation.
<Sysname> system-view
[Sysname] ospfv3 1
[Sysname-ospfv3-1] spf timers 6 6
stub (OSPFv3 area view)
Syntax
stub
[
no-summary
]
undo stub
View
OSPFv3 area view
Default Level
2: System level
Parameters
no-summary
: This argument is only applicable to the ABR of a stub area. With it configured, the ABR
advertises only a default route in a Summary-LSA to the stub area (such an area is called a totally stub
area).
Description
Use the
stub
command to configure an area as a stub area.
Use the
undo stub
command to remove the configuration.
By default, an area is not configured as a stub area.
When an area is configured as a stub area, all the routers attached to the area must be configured
with the
stub
command.
Related commands:
default-cost
.
Examples
# Configure OSPFv3 area 1 as a stub area.