I *think* (she says, being too busy/lazy to look up the RFC) that if there
is only a single area in an OSPF AS, it does not have to be area 0. As
soon as you bung in a second area, though, you need to have one of them as
area 0 or the two areas won't be able to talk to each other.
What network is joining Router A and Router B? Going back to the original
email...
I have 2 routers, Router A and Router B, back to back. Able to get the 2
connected, however when I
(Router A)
router ospf 20
network 10.1.10.0 0.0.0.0 area 20
(RouterB)
router ospf 20
network 192.168.1.0 0.0.0.0 area 20
Is the connection between A and B 10.1.10.0, or 192.168.1.0, or something
different? Might be nice to include the connecting network in the OSPF
process.
Also, your network statements look a bit dodgy. If your networks are /24,
try "network 10.1.10.0 0.0.0.255 area 20" and likewise for Router B.
Currently you are adding the interface with address 10.1.10.0/32 to the
OSPF process, which is presumably not what the address of the interface
actually is. I'm surprised it's giving you any errors, because I'm
surprised it's doing anything.
JMcL
----- Forwarded by Jenny Mcleod/NSO/CSDA on 10/07/2002 03:51 pm -----
"Michael Williams"
Sent by: [EMAIL PROTECTED]
10/07/2002 02:36 pm
Please respond to "Michael Williams"
To: [EMAIL PROTECTED]
cc:
Subject: RE: OSPF problem [7:48463]
Is this part of a business decision process?:
Lemme take a stab at this one..... I don't run OSPF where I work, but I'd
like to keep my chops up to date =)
In OSPF, you need to have an Area 0. If there are 2 routers only in your
network, and only one area, it needs to be Area 0. If there is only 1
Area
in your network, there is no need for it to be anything other than Area 0.
Since every Area must touch Area 0, it seems to me there is something in
the
IOS that looks for at least one interface to be in Area 0 or at least in a
virtual link to Area 0.
Change your areas on your routers to Area 0 and see if you have the same
problem....
(OSPF gurus, please correct me as, again, I'm just taking a stab and would
like to keep my OSPF up to date)
(Now that I'm thinking about it, you could have a router that is totally
within a certain Area that's not an ASBR or ABR, so not it's possible to
there could be an interfaces not in Area 0... so at this point, my whole
post is moot..... too many rum and cokes =) OSPF gurus, please advise =)
Thanks!
Mike W.
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