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