R3166-R3206-HP High-End Firewalls Network Management Configuration Guide-6PW101

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To do… Use the command… Remarks
Enter interface view
interface interface-type
interface-number
—
Specify an LSA transmission delay ospf trans-delay seconds
Optional
1 second by default
Specifying SPF calculation interval
LSDB changes lead to SPF calculations. When an OSPF network changes frequently, a large amount of
network and resources are occupied by SPF calculation. You can adjust the SPF calculation interval to
reduce the impact.
Follow these steps to configure SPF calculation interval:
To do… Use the command…
Remarks
Enter system view system-view
—
Enter OSPF view
ospf [ process-id | router-id router-id |
vpn-instance instance-name ] *
—
Specify SPF calculation
interval(s)
spf-schedule-interval maximum-interval
[ minimum-interval
[ incremental-interval ] ]
Optional
By default, the interval is 5
seconds.
NOTE:
W
hen network changes are not frequent, the minimum-interval is adopted. If network changes become
frequent, SPF calculation interval is incremented by
incremental-interval × 2
n-2
(n is the number of
calculation times) each time a calculation occurs until the
maximum-interval is reached.
Specifying the LSA arrival interval
After receiving the same LSA as the previously received LSA within the LSA arrival interval, OSPF discards
the LSA.
Follow these steps to configure the LSA arrival interval:
To do… Use the command…
Remarks
Enter system view system-view
—
Enter OSPF view
ospf [ process-id | router-id router-id |
vpn-instance instance-name ] *
—
Configure the LSA
arrival interval
lsa-arrival-interval interval
Optional
Defaults to 1000 milliseconds.
NOTE:
The interval set with the lsa-arrival-interval command should be smaller than or equal to the interval set
w
ith the lsa-generation-interval command.
Specifying the LSA generation interval
You can adjust the LSA generation interval to protect network resources and routers from being over
consumed due to frequent network changes.
Follow these steps to configure the LSA generation interval: