If you don’t want to show up all interface from one area, you can summarize them with the „area area-id range ip-address mask [advertise | not-advertise] [cost cost]“ command.
For example to summarize the subnet 10.10.0.0 for area 3:
area 3 range 10.10.0.0 255.255.0.0
So area 3 would just show up as one subnet to other ospf areas.
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