[74850] in North American Network Operators' Group
Re: aggregation & table entries
daemon@ATHENA.MIT.EDU (Christopher L. Morrow)
Fri Oct 15 15:29:30 2004
Date: Fri, 15 Oct 2004 19:24:32 +0000 (GMT)
From: "Christopher L. Morrow" <christopher.morrow@mci.com>
In-reply-to: <g3ekk0nfhg.fsf@sa.vix.com>
To: Paul Vixie <vixie@vix.com>
Cc: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu
On Fri, 15 Oct 2004, Paul Vixie wrote:
>
> > > And what do you do with a BGP customer which sends you traffic from
> > > prefixes he doesn't want to announce to you? There are such customers.
> > > Fail filter ACL?
> >
> > This has been my question with uRPF from the beginning. You can solve this
> > on for some networks, but it doesn't scale very well. Especially where you
> > really don't know that your customer's customer is doing this.
>
> It's 2004, and so, your customers who want to do this have to explain why,
> and you have to maintain extra-ordinary filters for such customers, at either
> your cost or the customer's cost.
ah-ha! Patriot-Act!