Categories R&S

OSPF – Implement and troubleshoot area types – Not-so-totally-stubby area

Let’s move on to the last OSPF area type , the Not-so-totally-stubby area.   Theory:   With a Not-so-totally-stubby area, type-3 Summary LSAs, type-4 ASBR Summary LSAs, and type-5 External LSAs are removed and replaced with a type-3 Summary LSA default route. Type-7 NSSA External LSAs are allowed to be originated inside the area. This […]

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