[82648] in North American Network Operators' Group
Re: ISP filter policies
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Tue Jul 26 10:04:09 2005
To: Arnold Nipper <arnold@nipper.de>
Cc: "'nanog list'" <nanog@merit.edu>
In-Reply-To: Your message of "Tue, 26 Jul 2005 12:29:59 +0200."
<42E610A7.6050904@nipper.de>
From: Valdis.Kletnieks@vt.edu
Date: Tue, 26 Jul 2005 10:02:59 -0400
Errors-To: owner-nanog@merit.edu
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On Tue, 26 Jul 2005 12:29:59 +0200, Arnold Nipper said:
>
> On http://www.nanog.org/filter.html there is a small list of ISP filter
> policies.
>
> Does anyone know a more comprehensive and up-to-date list? Especially:
> are all ISP filtering according to the minimum allocation?
*all* ISP? At best, you'll find "most", or "enough do it that trying to
advertise less than the minimum won't work well" - which is what you really
care about. About the only thing that "all" ISPs agree on are the de-facto
requirements to plug the router into an appropriate electrical supply - there's
probably a lot of mom&pop ISPs out there that don't do any filtering of BGP
because they're so small that they don't need to talk BGP to their upstream...
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