Hello Shachar!

Shachar Or schrieb:
> I don't find it in the documentation how the DHCP portion of the boot process 
> works. A look in http://openthinclient.org/Boot procedure 
> demystified?structure= doesn't make it clear for me.

I rewrote the text and hopefully it makes more sense to you now. :-)

> I am interested in understanding how having two DHCP servers in this case 
> works because I've never used two before, only one.

The PXE-proxy server in OTC does not act like a true DHCP server in
that it does not issue IP addresses. It only sends out (extra!) offers
with its own IP telling the clients that they can their boot file there.

The client still gets all network infrastructure information like
IP, net mask and default gateway from the standard DHCP server
using standard DHCP packets.

It just performs an extra offer/request/acknowledge procedure with
the PXE-proxy to get its boot server and file name information.

Therefore, your existing DHCP server is still in command over your
network, controlling which client gets which IP and if its gets one
at all.

> In my network, I have one DHCP server which currently serves the thin clients 
> the information needed for then to boot using LTSP. I would like to try 
> openThinClient so I'd like to get this sorted in my head.

That setup would not collide with our system. Clients that are not
configured as OTC clients would not get the extra DHCP offer therefore
they would still boot LTSP, those that get the extra offer (in time,
before they decide not to wait any longer for extra offers) would then
use the extra offer to use the OTC server as boot file source.

-- 
Bye,
  Tobias Abt

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