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Configuring the SPF Timer
Context
When the OSPFv3 link state database (LSDB) changes, SPF calculation needs to be performed again. A shorter SPF calculation interval can increase the network convergence speed, but also occupies more resources. If the network changes frequently, the bandwidth may be used up. A longer SPF calculation interval occupies less resources, which prevents the bandwidth from being used up due to frequent network changes. However, the network convergence speed becomes slower in this scenario. Set the interval based on the actual network.
Do as follows on the switch that runs OSPFv3.