From: Rahmlow, Howard F. (howard.rahmlow@xxxxxxxxxx)
Date: Mon Apr 30 2001 - 19:14:41 GMT-3
I have done the same and it will work. There is a line in the RFC that
basically says, you have to have a backbone, and its area 0, or 0.0.0.0 but
then kind of drops the subject. I have not tried multiple area's with out an
area 0. Give it a shot. In a single area, any number seems to work.
Howard
-----Original Message-----
From: Niall El-Assaad [mailto:nelassaa@cisco.com]
Sent: Monday, April 30, 2001 5:44 PM
To: Chuck Larrieu; ccielab@groupstudy.com
Subject: RE: Error on page 387 of BRS 4CCIEs Version 2
When I configure it, it works! Is it allowed? No ideas, can't find any
reference to it.
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Niall El-Assaad, Systems Engineer
EMEA-UK Retail Finance North
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-----Original Message-----
From: Chuck Larrieu [mailto:chuck@cl.cncdsl.com]
Sent: 30 April 2001 22:29
To: Niall El-Assaad; ccielab@groupstudy.com
Subject: RE: Error on page 387 of BRS 4CCIEs Version 2
The statement is not correct. If there is more than one OSPF area, then
there MUST be an area 0. If there is a single area, it can be anything you
want. This actually makes sense in terms of the OSPF standard. By
definition, all traffic in such a case would be intra area traffic, and the
routers would not be concerned with exiting the area.
Now for the fun one. In a multiple area OSPF network, all area numbers must
be unique - true or false? Why?
Chuck
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Niall El-Assaad
Sent: Monday, April 30, 2001 2:04 PM
To: ccielab@groupstudy.com
Subject: Error on page 387 of BRS 4CCIEs Version 2
In the book on this page it says "Every valid OSPF configuration must have
an area 0, so if you use only a single OSPF area for your entire network it
must be area 0".
Surely this isn't right. If you have only one area it doesn't matter what it
is? Does it?
=======================================================
Niall El-Assaad, Systems Engineer
EMEA-UK Retail Finance North
C i s c o S y s t e m s Mobile: +44 (0)772 088 4650
VMail: +44 (0)208 734 4206
| | Fax: +44 (0)161 864 4508
| |
||| |||
.:|||||:..:|||||:. E-mail: nelassaa@cisco.com
------------------ Web : http://www.cisco.com
Crescent House, Towers Business Park, Wilmslow Road,
Didsbury, Manchester M20 2JE, United Kingdom
========================================================
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