Re: default route into NSSA

From: Tony Olzak (aolzak@xxxxxxxxxxxxxxxxxxx)
Date: Fri Oct 13 2000 - 12:40:36 GMT-3


   
Adding "no-summary" does turn a stub area into a totally stubby area.

Tony

----- Original Message -----
From: "Erick B." <erickbe@yahoo.com>
To: "Derek Buelna" <dameon@aracnet.com>; "'Granofsky, Aaron'"
<AGranofsky@bns.nec.com>; <ccielab@groupstudy.com>
Sent: Friday, October 13, 2000 1:39 AM
Subject: RE: default route into NSSA

> You're right (I should have said more - had a long
> day). From his message, he wants to supply a
> default-route and the area command with the 'nssa'
> option wasn't doing it and adding
> 'default-information-originate' did what he expected,
> which is how to supply a default route plus other
> routes.
>
> I thought he was asking for other methods, and
> no-summary would supply a default-route and that's it
> but I don't believe it makes the area totally stubby.
> It's a area I need to do more playing in to completely
> understand in detail.
>
> Aaron, are we intrepreting your message correctly or ?
>
> --- Derek Buelna <dameon@aracnet.com> wrote:
> > I believe that configuring that command on the abr
> > would make the area
> > totally stubby which makes it so type 3's are also
> > blocked. No IA routes
> > other than a default out I think would be present
> > inside the area.
> >
> > I guess I don't think this would allow a default
> > into the nssa area.
> >
> > I believe that if the abr in injecting a default
> > into the nssa area would be
> > fine. I would think that if the backbone knows about
> > the default you
> > generated on some router and then once the abr
> > receives the traffic, he
> > would forward it to his default.
> >
> > Thoughts?
> >
> > -Derek
> >
> > -----Original Message-----
> >
> > You need to add 'no-summary' to the area command you
> > have.
> >
> > --- "Granofsky, Aaron" <AGranofsky@bns.nec.com>
> > wrote:
> > > I have what's probably a stupid question, but I
> > > can't seem to find the
> > > answer.
> > >
> > > I have the following setup.
> > >
> > > r1 -----------r3---------------r4--------r5
> > > area0 area9 (nssa) eigrp
> > >
> > >
> > > Router 1 is generating a default route which all
> > > ospf routers are receiving
> > > except for r4.
> > >
> > > So, do I assume that a default route won't be
> > > carried into a NSSA.
> > >
> > > BTW, If I replace *area 9 nssa* with *area 9 nssa
> > > default-information-originate* than r4 receives a
> > > default pointing to r3.
> > > (But I don't think that's the issue)
>
>



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