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From: jb <jb.1234abcd@gmail.com>
Subject: Re: bind 192.168.1.1 to all interfaces
Date: Sun, 23 Dec 2012 20:35:12 +0000 (UTC)
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References: <141032435.20121223141747@yandex.ru>
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Eugen Konkov <kes-kes <at> yandex.ru> writes:

> ... 
> So in my vlan I have two DHCP servers. One is mine and
> second is on that router. Some users get wrong IPs from that router.
> ... 
> Or  s there any other method to prevent such ilegal DHCP servers on LAN?

http://www.tcpipguide.com/free/t_DHCPSecurityIssues.htm
jb