[114427] in North American Network Operators' Group
Re: two interfaces one subnet
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Mon May 11 16:39:24 2009
Date: Mon, 11 May 2009 22:39:08 +0200 (CEST)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Chris Meidinger <cmeidinger@sendmail.com>
In-Reply-To: <4B3726C0-20FE-4598-B4DA-44FA74FDFC71@sendmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mon, 11 May 2009, Chris Meidinger wrote:
> I've been looking through RFC's trying to find a clear statement that
> having two interfaces in the same subnet does not work, but can't find
> it that statement anywhere.
I don't know if it still works, but it did in Linux little over 10 years
back. Proxy-arp:ed all the IPs in the /27 in the /24 and everything was
fine (legacy reasons plus radiolink which I didn't want to run a lot of
broadcasts over). There are "legitimate" cases where you might want to do
this.
--
Mikael Abrahamsson email: swmike@swm.pp.se
