From: Djerk Geurts (djerk@djerk.nl)
Date: Wed Aug 08 2007 - 11:24:05 ART
Intra-Area routes are preferred over inter-area ones right...
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of Herbert Maosa
> Sent: woensdag 8 augustus 2007 16:18
> To: mam phuquoc
> Cc: Cisco certification
> Subject: Re: NSSA area
>
> Without confirming this in a lab, my opinion is that if you
> have two such
> routes, you are going to take the path that is metrically
> closer to the ASBR
> that generated the external route. However if that ASBR is in
> another area,
> then you will follow Area 0 since all Inter-area traffic has
> to go through
> area 0, regardless of cost.
>
> my two cents worth.
>
> Herbert.
>
> On 8/8/07, mam phuquoc <mamphuquoc@gmail.com> wrote:
> >
> > Hi all,
> >
> > question, if there is an ABR router with some interfaces in
> area 0 and
> > other
> > interfaces in nssa area 5. If there is an external route
> redistributed in
> > to area 0 as a type E1, and the same route is redsitributed
> into nssa area
> > 5, the router acting as the abr will see both in the ospf
> database, but
> > which one will it use and put in the routing table, the
> nssa route, or
> > the
> > E1 route from area 0?
> >
> > Is this network topology below valid? Can both ABR inject
> a default route
> > into the NSSA area 5 and use metric to pick the preferred
> path? Or can you
> > have only one ABR in a NSSA?
> >
> > THank you.
> >
> >
> > area0
> >
> ------------------------------------------ABR-----------------
--------------nssa
> > 5
> >
> > | |
> > |
> > |
> > area
> > 0 nssa 5
> >
> > | |
> >
> > | |
> > area0 ----------------------------------------
> > ABR----------------------------------nssa 5
> >
> > announcing route 10.0.0.0------->
> <---------------announcing
> > route 10.0.0.0
> >
> >
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>
>
>
> --
> Kindest regards,
> hm
>
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