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OSPFv3 Issue with Stub/NSSA Section 2.9 mandates that an OSPFv3 router should NOT advertise an unknown LSA if the U bit is set to “1” – flood as if known. Should be removed in RFC 2740 respin. Limits backward compatibility for new LSA types No corresponding rule for opaque LSAs Fact that LSA is flooded at all implies one router is stub/NSSA understands it. Ineffective/non-deterministic database limit |