[36170] in North American Network Operators' Group
RE: dsl providers that will route /24
daemon@ATHENA.MIT.EDU (Tim Winders)
Wed Mar 28 20:28:17 2001
Date: Wed, 28 Mar 2001 19:25:27 -0600 (CST)
From: Tim Winders <twinders@SPC.cc.tx.us>
To: David Schwartz <davids@webmaster.com>
Cc: <Valdis.Kletnieks@vt.edu>, <nanog@nanog.org>
In-Reply-To: <NCBBLIEPOCNJOAEKBEAKEEEGOBAA.davids@webmaster.com>
Message-ID: <Pine.OSF.4.33.0103281920470.431756-100000@barney.spc.cc.tx.us>
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> I think we're in 99.9% percent agreement, which is probably
> about the best you can expect between two human beings. Let me respond
> to one thing:
Agreed!
> What happens if one of your customers is multihomed, loses his
> link to you, and tries to reach another one of your customers through
> his other ISP? Or do you make exceptions to this filter for multihomed
> customers? (The problem is, with VPNs and mobile IP schemes, every
> customer is potentially multihomed.)
>
> IMO, this is something best done on the customer's routers.
> Obviously, for your own 'local' IPs, you are the customer.
Again, agreed. I only ingress filter on my own addresses, RFC918 and a
long list of other addresses which are "bad". I wouldn't filter out a
customer's addresses. I would give them instructions on how to do so and
why it's a good thing. :-)
=== Tim
**********************************************
Tim Winders, MCSE, CNE, CCNA
Associate Dean of Information Technology
South Plains College
Levelland, TX 79336
Phone: 806-894-9611 x 2369
FAX: 806-894-1549
Email: TWinders@SPC.cc.tx.us
**********************************************
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