[Beowulf] OT: PXE boot with no control over DHCP?

Alexander Zubkov green at sectorb.msk.ru
Wed Sep 21 18:03:04 EDT 2005


> This is a bit off topic but here goes anyway...
> 
> On our beowulf's private subnet I control the DHCP server and
> have all the nodes set to PXE boot.  What happens after that
> PXE boot is controlled by the DHCP server: they either load an
> image, or the dhcp server doesn't specify a boot file and then
> the boot off their internal disks.
> 
> I have a set of workstations I want to be able to reimage 
> on the campus net using similar tools.  Preferably remotely
> (the workstations will boot if sent a WOL).  However the campus
> network folks block dhcp servers other than their own on the
> campus nets.  Consequently even if I set these machines to
> PXE boot there seems to be no way I could control the process.
> 
> Can any of you suggest a way to control a PXE boot without
> having control over DHCP on the local subnet net?  
> 
As far as I know, PXE get ip by bootp request. Does they (campus network 
folks) need only DHCP server or they want to serve bootp requests too? 
If they can set up their server to answer DHCP requests only and You can 
set your server to answer bootp requests. Fix me, if I wrong.

----
Alexander Zubkov

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