From: Narbik Kocharians (narbikk@gmail.com)
Date: Sun Mar 08 2009 - 21:39:09 ARST
Atlanta CCIE,
Distribute-out works in OSPF but ONLY on ASBR to filter external routes, you
CAN configure it on an ABR to filter out external routes ONLY if the area is
configured as an NSSA.
Hope this helps
On Sun, Mar 8, 2009 at 4:19 PM, Scott Morris <smorris@internetworkexpert.com
> wrote:
> You can't do distribute-list out because the rules for OSPF (RFC) say that
> everyone in an area must have an identical database. If you start
> filtering
> things selectively, you will violate that and likely cause the downfall of
> humankind.
>
> It's entirely possible that someone did this and that's what has caused the
> economic crisis of the world currently. Hmmmmm..
>
> ;)
>
> You can use an area-filter to filter BETWEEN areas if you so desire, but
> not
> within an area.
>
> HTH,
>
> Scott
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Victor
> Sent: Sunday, March 08, 2009 1:34 PM
> To: Cisco certification; Cisco certification
> Subject: OSPF distribute list - Lab study
>
> Hello
>
> A distribute list INBOUND in OSPF avoids the route from entering local RIB
> but doesn't stop LSAs propagation. I tried to use a distribute list
> OUTBOUND
> and results are: routes still in IP routing table and still LSAs being
> propagated.
>
> Is there anyone than can explain me the effect of distribute list in OSPF??
>
> Sorry if it seems an stupid question. Thanks in advance and Brgds.....
> Johan
>
>
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-- Narbik Kocharians CCSI#30832, CCIE# 12410 (R&S, SP, Security) www.MicronicsTraining.com www.Net-Workbooks.com Sr. Technical InstructorBlogs and organic groups at http://www.ccie.net
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