From: Frank Maisano (FrankM@netarch.com)
Date: Fri Feb 14 2003 - 16:50:15 GMT-3
As long as your network only has one area, you can make it any area you
want. As soon as you increase to two or more areas, one must be the
backbone (Area0). Since OSPF is open standard, non-cisco should
interoperate just fine.
--Frank
-----Original Message-----
From: Sam Munzani [mailto:sam@munzani.com]
Sent: Friday, February 14, 2003 11:56 AM
To: ccielab@groupstudy.com
Cc: cciesecurity@yahoogroups.com
Subject: Can you have OSPF without area 0 at all?
Team,
I came across an interesting finding. I want to take everybody's opinion on
this before putting anything in production. We are building an OSPF network
that will eventually merge with company's main OSPF backbone network. The
core group has assigned us ospf area number 555.
When I configure all my routers with OSPF area 555(with no area 0 at all),
it seems to be building up routing table. I always thought OSPF needs area 0
to function. Will this work of we add a non cisco device with area 555
configuration?
What is the catch 22 in this configuration? I have started reading OSPF RFC
to figure out all technical details.
Thanks,
Sam Munzani
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