From: Peter van Oene (pvo@xxxxxxxxxxxx)
Date: Sun Jan 13 2002 - 23:13:50 GMT-3
An NSSA ASBR does, an NSSA ABR does not (interpreting the question as "does
the router require a default route to inject a default route)
All of this is covered in the link I provided in the first email btw.
Pete
At 11:19 AM 1/14/2002 +1100, Albert Lu wrote:
>Do you need a static default route for OSPF to inject the default route to
>the other routers?
>
>-----Original Message-----
>From: Troy Rader [mailto:troy@onenet.net]
>Sent: Monday, January 14, 2002 11:07 AM
>To: Albert Lu
>Cc: ccielab@groupstudy.com; 'Peter van Oene'
>Subject: RE: OSPF NSSA default route question
>
>
>Yes it does. Using 'no-summary' removes inter-area routes. Using
>'def-info-orig' does not remove inter-area routes. Both methods do inject
>a default route.
>
>Thanks for the great replies. This is an area I struggled with, and now
>looking back, don't see why it was so difficult. :)
>
>Troy
>
>
>
>On Mon, 14 Jan 2002, Albert Lu wrote:
>
> > Wouldn't using
> >
> > area 1 nssa no-summary
> >
> > also inject a default route?
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > Peter van Oene
> > Sent: Monday, January 14, 2002 9:40 AM
> > To: Troy Rader; ccielab@groupstudy.com
> > Subject: Re: OSPF NSSA default route question
> >
> >
> > In additional, hitting cisco.com and entering nssa default information
> > brings up this as the first hit.
> >
> > http://www.cisco.com/warp/public/104/nssa.html#3
> >
> > This is a pretty decent page describing some NSSA config
> > elements. Although the Cisco search engine is not the best thing in the
> > world, it definitely doesn't hurt to try it.
> >
> > pete
> >
> > ps, since I unicast my first post, the answer is adding area 1 nssa
> > default-information-originate on R2, the NSSA ABR.
> >
> >
> > At 03:27 PM 1/13/2002 -0600, Troy Rader wrote:
> > >I've searched the archives and I'm not finding an answer that clears this
> > >issue up for me.
> > >
> > >Here's my diagram: (I guess proportional font matters here)
> > >
> > >R10---R8---R3---R6---R2---R9---R11---R14---R4
> > > |
> > > |
> > > R5
> > >
> > >R10-R8 is RIP
> > >R8-R3-R6 is Area 2
> > >R6-R2 is Area 0
> > >R6-R5 is Area 3
> > >R2-R9-R11 is Area 1
> > >R11-R14 is IGRP
> > >R14-R4 is RIP
> > >
> > >Area 3 was the stub and then totally stubby area. I did okay with that.
> > >
> > >Area 1 is where I have my NSSA. I understand that my external routes
>from
> > >R10 are not learned in the NSSA, and that the redist'd routes from R11
>and
> > >IGRP are N1 or N2 OSPF NSSA Ext and are propogated throughout OSPF.
> > >However, I'm lost on how to allow R9 and R11 to get to R10 RIP networks
> > >since they are External and not visible in the NSSA. I tried to
>originate
> > >a default from R2. R6 ended up with a default, but R9 did not.
> > >
> > >What's the trick, solution, answer?
> > >
> > >TIA,
> > >Troy
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