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 From:  Kris Maglione <bsdaemon at comcast dot net>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] OpenVPN, switching to m0n0
 Date:  Sun, 18 Sep 2005 00:18:48 -0400
Peter Allgeyer wrote:

> Where can I get some informations about serving openvpn clients with a
>dhcp server on the local LAN?
It's actually pretty simple. You set OpenVPN up not to push anything 
that you would have the DHCP server serve. If you want the DHCP server 
to serve different info to the VPN clients (ip range, default route...), 
you have to exploit the fact that VPN client MAC addresses begin with 
FF:FF. That, of coarse, only works with bridged TAP interfaces... 
Otherwise, it's not possible.