From: shiran guez (shiranp3@gmail.com)
Date: Thu Oct 11 2007 - 19:25:01 ART
I know that the suppress is doing for all and unsuppress per neighbor, that
was not the question!
I have asked if there is any difference between them, as they both given me
the same result both summary-only and suppress-map advertise the summary
route so my question is what is the argument for using one over the other.
On 10/11/07, Joseph Saad <joseph.samir.saad@gmail.com> wrote:
>
> They are doing the same thing for this scenario.
>
> You need to note that SUPPRESS map work for all neighbors (i.e. all the
> BGP
> process) and UNSUPRESS map work per neighbor.
>
> I'd use the suppress-map if I want to block advertising a subset of the
> aggregate longer prefixes to all neighbors.
>
> Then further you can selectively advertise specific longer prefix per
> neighbor using the unsupress-map per neighbor.
>
>
>
> On 10/11/07, shiran guez <shiranp3@gmail.com> wrote:
> >
> > *Hi*
> > **
> > *I would like to know if there is a difference between the following
> > scenario:*
> > **
> >
> >
> > aggregate-address 10.0.0.0 255.252.0.0 summary-only
> > nei x.x.x.x remot-x
> > nei x.x.x.x unsuppress-map 10_UNSUP
> >
> > ip prefix-list OPEN_10 permit 10.0.0.0/16
> > ip prefix-list OPEN_10 permit 10.1.0.0/16
> > ip prefix-list OPEN_10 permit 10.2.0.0/16
> > ip prefix-list OPEN_10 permit 10.3.0.0/16
> >
> > Route-map 10_UNSUP
> > match ip address prefix OPEN_10
> >
> > *to the following scenario:*
> >
> > aggregate-address 10.0.0.0 255.252.0.0 suppress-map 10_UNSUP
> > nei x.x.x.x remot x
> > nei x.x.x.x unsuppress-map 10_UNSUP
> >
> > ip prefix-list OPEN_10 permit 10.0.0.0/16
> > ip prefix-list OPEN_10 permit 10.1.0.0/16
> > ip prefix-list OPEN_10 permit 10.2.0.0/16
> > ip prefix-list OPEN_10 permit 10.3.0.0/16
> >
> > Route-map 10_UNSUP
> > match ip address prefix OPEN_10
> >
> > as when I tested it it look like it is giving the exact same result but
> > with
> > the summary-only a little bit less confusing as far as configuration.
> >
> >
> >
> >
> >
> > --
> > Shiran Guez
> > MCSE CCNP NCE1
> > http://cciep3.blogspot.com
> > http://www.linkedin.com/in/cciep3
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
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>
> _______________________________________________________________________
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>
-- Shiran Guez MCSE CCNP NCE1 http://cciep3.blogspot.com http://www.linkedin.com/in/cciep3
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