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-   -   The characteristic of diverse OSPF area types (http://forums.netbraintech.com/showthread.php?t=113)

Chris 06-17-2009 01:30 AM

The characteristic of diverse OSPF area types
 
Probably because I rarely use it, I find that OSPF concepts leave my memory faster than they come in.
Can anyone help me summarize the characteristic of OSPF area types ?

David.C 06-17-2009 05:06 AM

the characteristic of OSPF area types
 
http://www.netbraintech.com/share/os...ypes_reply.gif

Stub Area -
1. Doesn't accept External routes
2. Inserts an OSPF Default route
3. Routes seen - O, O IA , O* IA
Totally Stub Area -
1. Doesn't accept External or Inter Area routes
2. Inserts a default route
3. Routes seen - O, O* IA
NSSA -
1. The area adjacent to two different AS
2. Converts external routes (OE1/E2) LSA5 to (ON1/N2) LSA7
3. Doesn't accept Inter Area
4. Inserts a Default Route
5. Routes seen - O, O* IA , O N1/N2


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