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DES-7200 Configuration Guide Chapter 4 OSPF
Configuration
4-3
4.2 OSPF Configuration Task
The configuration of OSPF should be cooperated with various routers (including
internal routers, area boundary routers and autonomous system boundary
routers). When no configuration is performed, the defaults are used for various
parameters of the routers. In this case, packets are sent and received without
authentication, and an interface does not belong to any area of an autonomous
system. When you change the default parameters, you must ensure that the
routers have the same configuration settings.
To configure the OSPF, you must perform the following tasks. Among them,
activating the OSPF is required, while others are optional, but may be required for
particular applications.
The default OSPF configuration is shown as below:
Function Default setting
Interface parameters
Interface cost: none is preset
LSA retransmit interval: 5 seconds.
LSA transmit delay: 1 second.
Hello message transmit interval : 10 seconds (30
seconds for non-broadcast networks)
Failure time of adjacent routers: 4 times the hello
interval.
Priority: 1
Authentication type: 0 (No authentication).
Authentication password: None.
Area
Authentication type: 0 (No authentication).
Default metric of aggregated routes to Stub or NSSA
area: 1
Inter-area aggregation scope: Undefined
Stub area: Undefined
NSSA: Undefined
Virtual Link
No virtual link is defined.
The default parameters of the virtual link are as below:
LSA retransmit interval: 5 seconds.
LSA transmit delay: 1 second.
Hello message interval: 10 seconds.
Failure time of adjacent routers: 4 times the hello
interval.
Authentication type: No authentication.
Authentication password: No password specified.