From: Tarek Sabry (tsabry@xxxxxxxxxxxxxxxxxxx)
Date: Tue Apr 16 2002 - 12:10:20 GMT-3
Muhammad
Thanks for your reply.
I fully agree that summary-address is for injecting a summary INTO OSPF and
not to redistribute into another protocol. But I've seen people using it
otherwise :( Is this IOS-related?
How can I create area-range when the router I'm trying to redistribute at is
not an ABR? I only have area-1 and IGRP on this router.
Creating statics is also prohibited in the lab. Right?
Thanks again
Tarek
-----Original Message-----
From: Muhamamd Durrani [mailto:dan_schaw@yahoo.com]
Sent: Tuesday, April 16, 2002 8:56 AM
To: Tarek Sabry
Cc: ccielab@groupstudy.com
Subject: Re: OSPF - IGRP
Hi Tarek ,
With Summary-Address you cannot re-distribute to other
routing protocol . Its for the Summary Address for
Ecternal Routes .
I would rather say create a Summary Address with "Area
range " commad on the router you want to summarized
the addresses on, with the mask configured on the
interfaces running IGRP. If the mask is now same as
configured on IGRP interfaces than you wil not see the
route on IGRP router .
Another way that I could see is to create a static
route on ASBR to NULL 0 and redistribute static into
IGRP process ..but again the mask SHOULD match with
interaces configured with IGRP .
Let me know id I am wrong .
Regards,
Muhammad
--- Tarek Sabry <tsabry@houston.sns.slb.com> wrote:
> Hi
>
> I understand that there may be more than one way to
> redistribute VLSM into
> FLSM. However the only way that seems to work for me
> when redistributing
> OSPF into IGRP is the brilliant method suggested by
> someone a little while
> back, whereby I need to create an intermediate OSPF
> process. I don't feel
> comfortable with just this way though, because the
> proctors may object to
> it.
>
> So let's say we have a /26 network connected to the
> OSPF side of the
> redistributing router. Someone had suggested before
> that a good way of
> achieveing what I want would be to redistribute
> connected into OSPF and
> create a "summary-address" of a /24, and this route
> would be redistributed
> into IGRP with the rest of the OSPF routes.
>
> Is that supposed to work??? Well doesn't the
> "summary-address" inject a
> route INTO OSPF and not OUT OF it?? Also how come I
> do not see any routes to
> "Null 0" after I create my OSPF summary address?
>
> What are common gotchas for OSPF summaries??
>
> Thanks a lot
> Tarek
>
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