Why does not an S series switch functioning as an ABR summarize addresses while advertising the routes

Perform the following operations on the S series switch functioning as the ABR to solve the problem.
Run the display current configuration command to check whether all network segments in the area are consecutive.
If not, divide the network segments into several groups of consecutive network segments.
Run the abr-summary command on the ABR to summarize each group of consecutive network segments into one network segment.
Check the filter export command in the area view and ensure that the LSA for ABR route summarization is not filtered out.

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