[128771] in North American Network Operators' Group
Re: BCP38 exceptions for RFC1918 space
daemon@ATHENA.MIT.EDU (William Herrin)
Mon Aug 16 02:05:47 2010
In-Reply-To: <821D4DC0-2179-4018-B37A-9EE1C7DB91B2@marcoh.net>
From: William Herrin <bill@herrin.us>
Date: Mon, 16 Aug 2010 02:05:14 -0400
To: Marco Hogewoning <marcoh@marcoh.net>
Cc: nanog@merit.edu
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mon, Aug 16, 2010 at 1:49 AM, Marco Hogewoning <marcoh@marcoh.net> wrote=
:
> On 15 aug 2010, at 20:05, Randy Bush wrote:
>> rfc1918 packets are not supposed to reach the public internet. =A0once y=
ou
>> start accommodating their doing so, the downward slope gets pretty steep
>> and does not end in a nice place.
>
> I cannot agree more with this. If you want PMTU use
>non-private space, there is enough really :) And saving
> a /24 by renumbering your core into RFC 1918 won't
> save you from the coming run out.
I once suggested something along the lines of:
interface Loopback0
ip address 1.2.3.4 255.255.255.255
interface GigabitEthernet0/0
ip address 192.168.0.1 255.255.255.0
icmp errors-from Loopback0
But I was yelled at for trying to break traceroute.
Regards,
Bill Herrin
--=20
William D. Herrin ................ herrin@dirtside.com=A0 bill@herrin.us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004
