[154690] in North American Network Operators' Group
Re: job screening question
daemon@ATHENA.MIT.EDU (William McCall)
Sun Jul 8 15:58:09 2012
In-Reply-To: <CAAAwwbW2O77kxu8PtxhgeW7B2nnhuLVFWkp-nEunswG8MF__hw@mail.gmail.com>
Date: Sun, 8 Jul 2012 14:57:34 -0500
From: William McCall <william.mccall@gmail.com>
To: Jimmy Hess <mysidia@gmail.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sun, Jul 8, 2012 at 2:23 PM, Jimmy Hess <mysidia@gmail.com> wrote:
> I'm not sure which era exactly in which you consider it legal and
> kosher to assign to a network, but even if you relax all the rules
> that require contiguity, it is still an illegal network mask for end
> hosts, just like 255.255.255.254 is; if an applicant doesn't flag it
> out as bad/invalid subnet mask in this era, then they might fail the
> filter,
>
Well, the correct answer is that it IS invalid (because the real world
routers tell us so) and this should be the only acceptable answer,
but, just to be sure, /31s are valid, can be used, and are used.
--
William McCall