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Re: PXE boot debian-installer



On Thu, Apr 16, 2009 at 08:39:01AM -0500, Boyd Stephen Smith Jr. wrote:
> In <[🔎] 871vrtasei.fsf@klein.localdomain>, Alok G. Singh wrote:
> >The DHCP server running on the router assigns addresses in the
> >192.168.1.0/24 subnet. I have setup another DHCP server to respond to
> >PXE in the same subnet. Now, how do I make sure the two DHCP servers
> >play nice together ? That is, the router's DHCP server should be used
> >unless DHCPREQUEST is from a PXE client.
> 
> I'm not sure you can.  The first step would be to figure out what, if 
> anything, is in the DHCPREQUEST packet that would indicate the sender is a 
> "PXE client".  Then, configure one server to not respond to those requests and 
> one to only respond to those requests.

Just to confirm, I know that you *can* do this, i.e. a PXE client sends 
out different information than a regular DHCP client... I just can't 
recall what the difference is off-hand.

> I don't think there is, strictly speaking, a difference.  But, a DHCP client 
> on a booted system will just ignore all the netboot information in the 
> response.  So, generally you just run one DHCP server that gives everyone the 
> netboot information and there's little downside.

This is probably the best way.

Cheers,

-- 
Eric Gerlach, Network Administrator
Federation of Students
University of Waterloo
p: (519) 888-4567 x36329
e: egerlach@feds.uwaterloo.ca


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