[syslinux] pxelinux and WDS

Julien Garet julien.garet at inria.fr
Thu Jan 21 16:13:24 PST 2010

Le 21 janv. 2010 à 22:19, Jeffrey Hutzelman <jhutz at cmu.edu> a écrit :

> --On Thursday, January 21, 2010 09:01:45 PM +0100 Julien Garet <julien.garet at inria.fr 
> > wrote:
>> Hello,
>> We are trying to set up a configuration with pxelinux on a linux  
>> machine
>> and WDS, allowing us to be free to boot linux netboot installers  
>> from the
>> tftp server. We have validated that pointing our dhcp server to the  
>> wds
>> server works perfectly.  Our idea was to use pxechain.com to launch  
>> the
>> wdsnbp.com kernel as below : label windows
>>        KERNEL pxechain.com
>>        APPEND <ip address>::\Boot\x86\wdsnbp.com
>> wdsnbp.com loads perfectly from the WDS server but our problem is  
>> that
>> WDS uses dhcp to find which is the next server to load the next  
>> part of
>> the WDS boot process (pxeboot.com) and as the dhcp next-server  
>> points to
>> our linux server it does not work, there's a loop. I thought that  
>> it was
>> the work of pxechain (i.e. rewrite the next server in memory to  
>> prevent
>> making those kinds of loops).
> Yes, that's exactly PXECHAIN's job.  As you note, it rewrites the  
> response in memory, but of course it can't affect the response the  
> DHCP server will send if some later part of the boot process does a  
> new DHCP request (for example, most OS installers will do this  
> eventually).
> We've been using it to start WDS for some time, using configuration  
> nearly identical to yours.  You shouldn't need any special  
> configuration on the DHCP server, but I'm not sure if there's  
> anything unusual that has to be done on the Windows side to make  
> this work.
> -- Jeff
What version of pxelinux are you using ? And WDS ?

Would you mind telling me your successful pxe options ?


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