OSPF - INTRODUCTION TO AREAS

In this video we the function of the areas, how the protocol behaves when dealing with multiple areas, and a high level overview on how the protocol advertises information between areas

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Video Description

OSPF Areas:
Provides hierarchy 
Area 0 is the backbone of the autonomous system.
Reduces the number of type 1 and type 2 LSAs propagated between routers
Reduces the LSA database
The topology changes in one area do not affect the performance of other areas.
They hide the details of the network (SPF calculation is simplified) 

Area types:
Regular
Stub
NSSA

Rating

Global

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