[syslinux] ethereal log of PXE bootup

[H. Peter Anvin]

Ed Sutter wrote:
> Ok, well, my current problem is pretty fundamental...
> 
> I'm trying to do this with just DHCP/TFTP (as you suggest) by implementing
> options 208-211 (as outlined on the website) and adding TSIZE/0ACK to my
> tftp server.  At the moment, the client I'm using won't even respond to the
> DHCP reply I send it, so I'm not sure if my initial 208-211 options response
> is wrong or if the client is just expecting more than that.
> 
> Is there any way to know if the PXE stack in my client (assume to be a
> black box) will accept just DHCP options for this?
> 
> I was of the impression that PXE was just an extension to DHCP/TFTP anyway,
> guess I need to read some more.
> 

Options 208-211 are only for PXELINUX' benefit; most configurations 
don't need them.  The key thing is to have a filename option set.  Note 
that many clients will not correctly parse a DHCP packet which uses 
"overloading", so I recommend against that.

	-hpa