Re: Running a PXE server without full DHCP

On Thu, 2004-10-28 at 09:45, Donald Teed wrote:
> It was suggested I follow up my question here rather than on the forums.
> 
> I've since learned that the term for the thing I'd like to have is a "DHCP
> Proxy Server".  Novell Zenworks, Solaris and IBM's AIX offer it, as well as
> StorageSoft's PXE Server on Windows (no longer maintained and seems
> limited to floppy).
> 
> A DHCP Proxy Server can respond to DHCP BOOTP requests without providing
> the IP address - it relies on the other main DHCP server to do that.
> 
> In our case, at a University, we run a secure DHCP server which is fed
> a list of valid MACs that are allowed on our network.  Rather than
> duplicate the effort of that configuration on a PXE boot server, we'd
> rather have it function as a DHCP Proxy.  It would respond to BOOTP
> requests, send the "next-server" information to point to the TFTP server.
> The main DHCP server would remain responsible for
> controlling IP assignment (or whether to not assign an IP
> if it is not an authorized client machine).
> 
I don't understand the reasons why you can't just add the required
options (i.e: next-server) to the existing DHCP to a particular scope or
set of MACs.
Could you please explain it ?
> I'm also aware of Bootpd, but it doesn't offer support for allowing
> a named DHCP server to provide the IP.
> 
> I have been searching for a way to make ISC DHCP offer the
> limited proxy function, or locate an open source DHCP Proxy server,
> but I don't see one available as yet.
> 
> 
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