On Tue, 27 Nov 2007 04:52:48 -0800, christ64 wrote:
> Hi!
>
> We have a corporate dhcp-server that I dont have any access for. So I
> would like to set up a new dhcp-server for my specific lab- machines on
> the same sub-net.
> (I have 10 fixed dedicated addresses that are mine to use)
>
> How can I set up a dhcp-server that will respond to my specific MAC-
> addresses,
> but will send (forward) all other requests to the corporate dhcp-
> server?
>
> // Thanks!
In the case that I was the administrator of this corporate dhcp server I
would immediately take your DHCP server down if I found it. And it's not
that hard to find a rogue dhcp server.
Besides that, did they tell you that those addresses are yours to use, or
are those addresses just the leases you allready get from there DHCP
server and is this why you say, they are yours to use? If they actually
gave them to you, why didn't they create static leases for you?
When you setup a rogue DHCP server in the same subnet you can create
static leases on this server and not create any dynamic leases this will
prevent others from getting a lease from your DHCP server.
The other thing you would want in this situation is to prevent your
clients from getting an address from the corporate dhcp server. If you
use linux clients, you can do this by setting the reject <ipaddress>;
option in the dhclient.conf file for the specific interface. In windows
clients this is, as far as I know, not possible.
Having said this, you should ask the administrators of the corporate dhcp
server to create static leases for your addresses. This way you fix the
problem the way it should be fixed.
Greetings,
Jan Hugo Prins
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