MSFT DHCP setup for directing clients to PXE server : dhcp, pxe

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10.26.2007 at 02:35PM PDT, ID: 22921327

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6.0

MSFT DHCP setup for directing clients to PXE server

Zones: Dynamic Host Configuration Protocol (DHCP, Windows Networking, Windows 2003 Server

Tags: dhcp, pxe

Hi Experts,

I am trying to add a PXE server to my server 2003 domain, but I do not want to run it on my DHCP server. How do I configure my DHCP server to point clients using network boot to my PXE server? My DHCP server MSFT DHCP 5.2 running on a Server 2003 Ent AD server. Any help would be great.

- Dredd

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Question Stats

Zone: Networking

Question Asked By: dredd0606

Solution Provided By: Galtar99

Participating Experts: 1

Solution Grade: B

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10.26.2007 at 03:03PM PDT, ID: 20159377

Galtar99:

http://technet.microsoft.com/en-us/library/bb680753.aspx

http://forums.microsoft.com/EmbeddedWindows/ShowPost.aspx?PostID=1169769&SiteID=47

http://pxes.sourceforge.net/howtos/ms_only_environment/

Accepted Solution

10.26.2007 at 03:20PM PDT, ID: 20159464

dredd0606:

Galtar99,

I have read all of those before posting here. Specifically, I am using a VMware appliance called UDA 1.4 running on my VI3 cluster as my PXE server. I need my Microsoft DHCP server (lets say its 192.168.10.1) to point to my PXE server (lets say its 192.168.10.15). I have option 60 set to "PXEClient", option 66 set to "192.168.10.15", and option 67 set to "/pxelinux.0". However, when I try to network boot one of my client computers to it, I get "PXE-E55: ProxyDHCP service did not reply to request on port 4011." Any ideas?

- Dredd

10.26.2007 at 03:55PM PDT, ID: 20159635

dredd0606:

10.26.2007 at 03:55PM PDT, ID: 20159639

dredd0606:

Sorry about the double post.

10.26.2007 at 04:00PM PDT, ID: 20159661

Galtar99:

Cisco environment? Do you have IP Helper setup to point to your PDHCP server?

10.26.2007 at 04:04PM PDT, ID: 20159672

dredd0606:

No, not Cisco. And I didn't think I would need IP Helper or a PXED (I think thats the same as a PDHCP) if both were on the same subnet with nothing (firewalls, routers) in between. Am I wrong about this? Is it not enough to set options 60, 66, and 67?

- Dredd

10.26.2007 at 04:06PM PDT, ID: 20159685

Galtar99:

The PXE client, DHCP server, PDHCP server are all on the same segment? Are DHCP and PDHCP running on the same box?

10.26.2007 at 04:13PM PDT, ID: 20159716

Galtar99:

Are you using Windows Deployment Services?

http://technet2.microsoft.com/WindowsVista/en/library/9e197135-6711-4c20-bfad-fc80fc2151301033.mspx?mfr=true

10.29.2007 at 07:06AM PDT, ID: 20169485

dredd0606:

Nope, not WDS. Since my environment is handled by VMware VI3, I am using a virtual appliance called UDA. Unfortunately, it was designed to use a built in DHCP server, and I cannot do that as I am using Microsoft's DHCP on my DC for AD integration. No, the DHCP is not on the same box as the PXE server. I need the DHCP server to point my PXE clients to the PXE box, but I do not have any DHCP server running on the PXE box. Thanks for your help so far.

- Dredd

10.29.2007 at 08:07AM PDT, ID: 20170021

dredd0606:

Ok, it seems that I am getting somewhere. I have set options 60,66, and 67 on my DHCP server, and now when I boot to PXE I get PXE-E55: ProxyDHCP service did not reply to request on port 4011.
At least the client is being told that there IS a PXE on the network. Now, I have a DHCP server on my PXE server, but at the moment it is stopped (not running). My conf is;

ddns-update-style ad-hoc;
next-server 192.168.0.5 ;

if substring ( option vendor-class-identifier, 0, 9) = "PXEClient"
{
filename "/pxelinux.0" ;
next-server 192.168.0.5 ;
}

subnet 192.168.0.0 netmask 255.255.255.0 {
option routers 192.168.0.254;
option domain-name-servers 192.168.0.1;
max-lease-time 300;
}

This way my DHCP on my PXE does not hand out an IP, but it should be responding to DHCP requests with a PXE offer, right? Is this my PDHCP, or am I way out in left field?

- Dredd

10.29.2007 at 09:06AM PDT, ID: 20170656

dredd0606:

Ok, I discovered that if I add
"range 192.168.0.110 192.168.0.115;"
to the subnet, everything goes according to plan. However, I do not want this DHCP handing out IPs, just PXE data. Is what I am proposing possible?

- Dredd

10.29.2007 at 09:14AM PDT, ID: 20170735

dredd0606:

Sorry,
To clarify this, after I added the line above to my dhcpd.conf on my PXE server, I stated the DHCP service, and tried booting to network on one of my client machines. The client machine found the PXE server without any problems. Now, can I remove the DHCP server, or the ability to serve ip addresses on my PXE server and maintain these results using a different command in my dhcpd.conf? Something that will allow my PXE servers DHCP to serve out the PXE information, but not actually serve out IP addresses (IP addresses will still be handled by my MSFT DHCP on my DC).

- Dredd

11.02.2007 at 09:30AM PDT, ID: 20202310

dredd0606:

Ok, I figured it out. I was being really stupid. The MSFT DHCP does not need option 60 (PXEClient) unless the PXE server resides on the same server. Option 66 and 67 direct clients to the PXE server. Such a simple answer...I wish I hadn't fought with getting option 60 to appear for so long.

- Dredd

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