[184378] in North American Network Operators' Group
Re: /27 the new /24
daemon@ATHENA.MIT.EDU (William Herrin)
Fri Oct 2 12:37:17 2015
X-Original-To: nanog@nanog.org
X-Really-To: <nanog@nanog.org>
In-Reply-To: <8DFD80FA-955E-454B-929E-7500140F9DA7@gmail.com>
From: William Herrin <bill@herrin.us>
Date: Fri, 2 Oct 2015 12:34:27 -0400
To: Suresh Ramasubramanian <ops.lists@gmail.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Fri, Oct 2, 2015 at 11:55 AM, Suresh Ramasubramanian
<ops.lists@gmail.com> wrote:
> Besides which more than one provider filters by a minimum prefix length
> per /8 - wasn't Swisscom or someone similar doing that? So multi
> homing with even a /24 is somewhat patchy in terms of effectiveness
Hi Suresh,
That hasn't been true for something like a decade. Anybody who filters
anything shorter than /24 without also taking a default route (or the
equivalent) is not fully connected to the Internet.
Regards,
Bill Herrin
--
William Herrin ................ herrin@dirtside.com bill@herrin.us
Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>
