Yes, OSPF area 0 must be contiguous. Have a look at RFC 2328, section 3.7
(Partitions of areas). Part of that section says... "Also, the backbone
itself must not partition. If it does, parts of the
Autonomous System will become unreachable. Backbone partitions can be
repaired by configuring virtual links (see Section 15)."
I'm not sure I understand your example. If three routers are connected in
a triangle, and one link goes down, the area won't be partitioned, unless
you have a rather strange setup with extra connections.
JMcL
----- Forwarded by Jenny Mcleod/NSO/CSDA on 07/06/2002 12:04 pm -----
"Cisco Study"
Sent by: [EMAIL PROTECTED]
07/06/2002 10:58 am
Please respond to "Cisco Study"
To: [EMAIL PROTECTED]
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Subject: OSPF area 0 [7:45995]
Is this part of a business decision process?:
Hi group,
Is there any condition that OSPF area 0 must be contiguous?.
I remembered read this some where on CCO. Is this true?. For a situation,
three ospf routers connected in a triangle shape, what if one of the link
goes down?.
Any one experienced on this situation, please show me some documents
related
to this?.
Thanks in advance,
J.
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