netdev - Re: ebtables on a stick

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Date:	Fri, 2 Dec 2011 17:04:42 +0100
From:	David Lamparter <equinox@...c24.net>
To:	Michal Soltys <soltys@....info>
Cc:	Greg Scott <GregScott@...rasupport.com>,
	David Lamparter <equinox@...c24.net>, netdev@...r.kernel.org
Subject: Re: ebtables on a stick

On Fri, Dec 02, 2011 at 04:40:13PM +0100, Michal Soltys wrote:
> You should be able to avoid whole proxy thing altogether (on your 
> router), by doing:
> 
> ip add add 1.2.115.157/32 dev eth0
> ip ro del table local 192.168.99.5/32 dev eth0
> ip route add 1.2.115.157/32 dev eth1

... and any application that looks at the local interface addresses
(e.g. ntpd, bind, etc.) will get thoroughly confused. Oh and worst-case
(i don't know/didn't check) source address selection as well.

I'd advise against it.

> instead of:
> 
> ip neigh add proxy 1.2.115.157 dev eth0


-David
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