From: Shanky (shankyz@gmail.com)
Date: Mon Jul 31 2006 - 11:55:14 ART
Hi,
As per your setup, R1 is not ABR/ASBR, so area 100 nssa
default-information-originate cant be used on R1, now if the Task says to
advertise a default from R1, maybe there is another way..
Why not default-information originate always ? on R1
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cr/hirp_r/rte_osph.htm#wp1089033
On 7/31/06, CCIEin2006 <ciscocciein2006@gmail.com> wrote:
>
> Basically the setup looks like this:
>
> (R1)--Area100--(R3)--Area0
> |
> Area100
> |
> (R2)
>
> R1, R2, and R3 are connected to Area100 which is a NSSA. R3 is also
> connected to Area0.
> R1 is configured with Area 100 nssa default-information-originate.
>
> Both R2 and R3 see the 0.0.0.0 route in their OSPF database but only R2
> actually enters the route in its routing table. R3 is not entering the
> route
> in its routing table.
>
> Can you explain why that is? I figured it might have something to do with
> R3
> being connected to Area0 but I'm not sure....
>
> Thanks
>
>
> On 7/30/06, Scott Morris <swm@emanon.com> wrote:
> >
> > NSSA doesn't inject a default route automagically. You need to put it
> on
> > the command line:
> >
> > Area 100 nssa default-information-originate
> >
> > Every other stub area type does automagically give you 0/0, but nssa
> does
> > not.
> >
> > Is that the problem you were running into?
> >
> >
> > Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
> JNCIE
> > #153, CISSP, et al.
> > CCSI/JNCI-M/JNCI-J
> > IPExpert VP - Curriculum Development
> > IPExpert Sr. Technical Instructor
> > smorris@ipexpert.com
> > http://www.ipexpert.com
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > CCIEin2006
> > Sent: Sunday, July 30, 2006 8:28 PM
> > To: Cisco certification
> > Subject: Tricky One - Can Backbone router learn default route from NSSA?
> >
> > I was doing one of the vendor labs and for some reason the backbone
> > routers
> > was not accepting a default route from its neighbor in a nssa. Is there
> a
> > rule against this?
> >
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