OSPF and Multiple Area 4s hanging off Area 0

Answered Question
Oct 12th, 2006
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Good Day,


Can you have multiple Area4s hanging off a single contiguous Area0?


Area4-----Area0------Area4




Each Area4/Area0 ABR will be advertising a different subnet into Area0.


All areas still connect to Area0 so I think it should work; but I am trying to confirm this.


Thanks very much for your help.

Correct Answer by Harold Ritter about 10 years 10 months ago

This is perfectly acceptable to have a partitioned non-backbone area. OSPF spec only forbids the partioning of the backbone area.


Hope this helps,

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Correct Answer
Harold Ritter Thu, 10/12/2006 - 18:43
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  • Cisco Employee,

This is perfectly acceptable to have a partitioned non-backbone area. OSPF spec only forbids the partioning of the backbone area.


Hope this helps,

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