Re: [nsp] [nsp] OSPF NSSA redistribution

From: Dmitri Kalintsev (dek@hades.uz)
Date: Fri Jun 02 2000 - 01:06:34 EDT


On Thu, Jun 01, 2000 at 07:11:36AM -0400, Robert Kiessling wrote:
> Hi,
>
> the next NSSA question ;)
>
> Short: can I summarise to the backbone, but not summarise to the NSSA
> area?
>
> Long: Let's say there are two access servers, A and B. They share the
> same telco rotary for static IP address dialups, say from 10.0.0.0/24,
> so we need some routing protocol between them. Both A and B have
> backbone links to area 0.
>
> Now I want that:
>
> 1. both routers announce the summary 10.0.0.0/24 to area 0
>
> 2. both router announce the individual host routes like 10.0.0.1/32
> to each other.
>
> Is this possible?

router ospf xyz
 area <your area number> range 10.0.0.0 255.255.255.0

on your ABR(s).

> Using the naive approach os "summary-address" does not work since in
> that case the routes are summarised to the NSSA area, too.

"summary-address" is meant to be used on ASBR's, not between areas.

> I could of course run another routing protocol, say, EIGRP 2., but
> only if that's really necessary.
>
> Robert

SY,

-- 
   CCNP,CCDP (R&S)                                   Dmitri E. Kalintsev
   CDPlayer@irc            Senior network engineer at NetActive Internet
   dek @ hades.uz                phone: +27 (0)11 719-0333 fax: 444-8900
   http://hades.uz                 UIN:7150410  cell  +27 (0)82-336-1033



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