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Configuring OSPFv3 Route Aggregation
Context
If multiple continuous network segments exist in this area, use the abr-summary command to summarize them into one network segment. In this way, the ABR only sends an LSA after summarization. No LSA that belongs to the summarization network segment is separately transmitted, reducing the LSDB size of other areas.
When a large number of routes are imported, use the asbr-summary command to summarize the imported routes and set the delay for advertising the summarized route. In this manner, the summarized route advertised each time contains more valid routing information, and network flapping caused by incorrect routing information is avoided.