From: WorkerBee (ciscobee@gmail.com)
Date: Sun Mar 16 2008 - 23:12:35 ART
You may want to do a manual static routes and do a redistribution. The
default route will still be sent out to that particular area. This put
your PIX into ASBR mode instead of ABR where Area0 is not required.
There maybe other better ideas to come along.
On Sun, Mar 16, 2008 at 11:55 PM, Michael Whittle <mgwhittle@gmail.com> wrote:
> Hi all,
>
> I have a problem I'm actually working on at work but is related to the CCIE
> lab studies. I'm stuck and don't understand why OSPF is behaving a certain
> way. I had to convert a flat OSPF network into a segregated network using
> multiple areas split by a firewall. What I did was created a separate area
> for each customer and trunked those areas into a PIX using multiple VLAN's.
> The PIX is running OSPF on each VLAN and advertising a default route into
> each area. Each area is advertising it's routes to the PIX. The PIX has full
> visibility of all the networks in the areas. Now I know that you will need a
> backbone area 0 to route between these areas. I thought adding one of the
> core networks on the PIX into area 0 might be enough to get this working but
> it seems not. Do you actually need to pass traffic through area 0 for areas
> to communicate or is it enough for the ABR to just contain an area 0 and
> other areas?
>
> I'm able to communicate between all areas without a problem because the PIX
> knows about all networks and receiving them correctly. All the areas need is
> the default route to get the traffic to the PIX. The problem I have is one
> of those areas now needs some of the specific routes from one of the other
> areas. There's no filtering in place but for some reason the destination
> area is only receiving a default route and nothing else. It's just a
> standard area and I'm just originating a default route. What am I missing
> here? Originating a default route on a PIX shouldn't suppress other routes
> would it?
>
> Cheers,
> Mike
>
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