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DES-7200 Configuration Guide Chapter 4 OSPF
Configuration
4-25
OSPF two-way maintenance is enabled by default. In routing process
configuration mode, execute the following commands to disable OSPF two-way
maintenance:
Command Function
DES-7200# configure terminal
Enter global configuration mode.
DES-7200(config)# router ospf 1
Enter routing protocol configuration mode.
DES-7200(config-router)# no
two-way-maintain
(Optional) Disable OSPF two-way
maintenance.
DES-7200 (config-if)# end
Return to privileged mode.
DES-7200 # write
Save configurations.
4.2.17.3 Configuring the Interval of Accepting
the Same LSA
In a broadcasting network or the environment featured by frequent network
oscillation, the device may receive the same LSA updates from different
neighbors on one or multiple interfaces. If the same LSAs received are handled
every time, excessive system resources may be wasted. OSPF protocol requires
that the same LSAs received will only be considered valid after a period of time.
The same LSAs received within a short periods of time will be ignored. This time
interval is the constant MinLSArrival with value being 1s.
Different types of networks will have different requirements on the interval for
handling LSA changes. The user can configure this parameter according to
different network planning and performance requirements in order to optimize the
network.
In routing process configuration mode, the user can execute the following
commands to configure the interval of accepting the same LSA:
Command Function
DES-7200# configure terminal
Enter global configuration mode.
DES-7200(config)# router ospf 1
Enter routing protocol configuration mode.
DES-7200(config-router)# timers lsa
arrival arrival-time
(Optional) Configure the interval of accepting
the same LSA. The default value is 1000
milliseconds.
DES-7200 (config-if)# end
Return to privileged mode.
DES-7200 # write
Save configurations.