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HP 5500 EI series Configuration Manual: Specifying Lsa Transmission Delay

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Step
5.
Specify the dead
interval.
6.
Specify the
retransmission
interval.

Specifying LSA transmission delay

To avoid LSAs from aging out during transmission, set an LSA retransmission delay especially for low
speed links.
To specify the LSA transmission delay on an interface:
Step
1.
Enter system view.
2.
Enter interface view.
3.
Specify the LSA transmission
delay.
Specifying SPF calculation interval
LSDB changes result in SPF calculations. When the topology changes frequently, a large amount of
network and router resources are occupied by SPF calculation. You can adjust the SPF calculation
interval to reduce the impact.
When network changes are not frequent, the minimum-interval is adopted. If network changes become
frequent, the SPF calculation interval is incremented by incremental-interval × 2
calculation times) each time a calculation occurs until the maximum-interval is reached.
To configure the SPF calculation interval:
Step
1.
Enter system view.
2.
Enter OSPF view.
Command
ospf timer dead seconds
ospf timer retransmit interval
Command
system-view
interface interface-type
interface-number
ospf trans-delay seconds
Command
system-view
ospf [ process-id | router-id router-id
| vpn-instance vpn-instance-name ] *
79
Remarks
By default:
The dead interval on P2P and broadcast
interfaces is 40 seconds.
The dead interval on P2MP and NBMA
interfaces is 120 seconds.
The dead interval must be at least four times the
hello interval on an interface.
The default dead interval is restored when the
network type for an interface is changed.
The default setting is 5 seconds.
A retransmission interval setting that is too small
can cause unnecessary LSA retransmissions.
This interval is typically set bigger than the
round-trip time of a packet between two
neighbors.
Remarks
N/A
N/A
The default setting is 1 second.
Remarks
N/A
N/A
n-2
(n is the number of

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5500 si series

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