From mboxrd@z Thu Jan  1 00:00:00 1970
From: ebiederm@xmission.com (Eric W. Biederman)
Subject: Re: [RFC] arp announce, arp_proxy and windows ip conflict verification
Date: Thu, 02 Jul 2009 16:23:09 -0700
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Cc: netdev@vger.kernel.org, David Miller <davem@davemloft.net>
To: Denys Fedoryschenko <denys@visp.net.lb>
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What IOS is irrelevant to this discussion.
Especially when I don't see the "ip proxy-arp" command.

Having two networks:
10.0.0.0/24 physical segment
10.0.1.0/24 physical segment

It is correct for proxy arp to answer to for 10.0.0.66
when it is plugged into the 10.0.1.0/24 network.

Because in that case 10.0.0.66 is on the wrong subnet, and your
network is misconfigured.

Eric