[alcatel-nsp] Advertising prefixes to BGP peer.

[Stefano Gridelli]

You can use black-hole routes:

static-route <IP>/<mask> black-hole

then you can manipulate BGP attributes with a router policy (community, ASN)
in the accept statement ...

On Mon, Dec 13, 2010 at 4:12 PM, Bryan <deadheadblues at gmail.com> wrote:

> Scott,
>
> I was referring to the ability to inject specifics that are not in the
> routing table. This is available in Cisco IOS.
>
> On Mon, Dec 13, 2010 at 2:04 PM, Scott Weeks <surfer at mauigateway.com>
> wrote:
> >
> >
> > --- deadheadblues at gmail.com wrote:
> > From: Bryan <deadheadblues at gmail.com>
> >
> > I dont think this is possible, Cisco has a way of "injecting" more
> > specifics, but I dont think ALU does...or at least havent come across
> > it.
> > -------------------------------------------
> >
> >
> > Yes, they do.  But, if the more specifics aren't in your routing table
> you can't advertise them to your upstreams.  As someone previously
> mentioned, either the downstream customer announces the more specifics or
> you create them with a null route.  But the null route will show a different
> origination ASN than the customer's.
> >
> > scott
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> > --------------
> > ---------------
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