Re: /27 the new /24

[William Herrin <bill () herrin us>]

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/>