OSPF: Difference between revisions
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= Areas =
* We divide into areas when SPF runs too often i.e. when networks become too large.
* ABR will have all information; Internal routers will have default routes.
;Standard areas:
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# area 2 stub
;Totally stubby
Only contain type 1 and 2 LSAs, and a single type 3 LSA.
Block LSAs Type 3,4,5.
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