Advanced OSPF - Areas
10 important questions on Advanced OSPF - Areas
What is an OSPF Area?
What is an important rule when dividing an OSPF network in multiple areas?
What three things happen when designating an area as a Stub Area?
2. The ABR will not forward any LSA Type 5 into the area.
3. Because of no LSA Type 5 LSAs there won't be any LSA Type 4 LSAs.
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Why would a Stub Area be useful?
What is a Totally Stub Area?
This way the area will only know about it's own networks and have a default route to the ABR.
What is a Not So Stubby Area (NSSA) and why is it used?
What is the benefit of using a Totally Not So Stubby Area?
How many LSDBs does an ABR have?
What is the OSPF Area ID?
What are two different route types in OSPF?
2. Inter-Area routes, learned from routers in a different Area using an ABR. Displayed in the Routing Table with an O IA.
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