Problem and solution when routes with the same network address but different masks cannot be imported in OSPF on the USG

The reason that routes with the same network address but different masks cannot be imported in OSPF on the USG is as follows;
VRP3.0-based products do not support the features defined in RFC2328 Appendix E. Because VRP3.0 uses a network address as an LS identifier, only the first route among the routes with the same network address can be imported to OSPF.

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