[syslinux] Chainloading pxe boot loaders and dhcp root-path option

[Geert Stappers]

On Sun, May 15, 2011 at 03:27:34AM -0400, Matt Fioravante wrote:
> On Sun, May 15, 2011 at 2:54 AM, Geert Stappers wrote:
> > AIUI is the scripting of iPXE wanted, http://ipxe.org/scripting
> > Setting root-path is not enumrated at http://ipxe.org/cmd/set
> > However root-path is seen in the screenshot at http://ipxe.org/cmd/config
> 
> I've tried playing around with gpxe, and just now (I hadn't heard of it
> before) ipxe. No matter how I try to change the root path, freebsd only gets
> a root path if it was originally set in the dhcp server options.
> 
> I think its doing a dhcp request after it boots to get this information. I
> can't verify that completely because I don't have a box I can stick in
> between to snoop packets, but there doesn't seem to be any other explanation
> as to why its ignoring my changes to the root-path option in g/ipxe.

Would packet sniffing on the DHCP server(s) a possiblity?

> I think I'm pretty much screwed, unless I use some rediculus hack like
> changing the mac address to some fixed value and having the dhcp server give
> a special dhcp-root-path option for that machine.


Groeten Stappers
-- 
> And is there a policy on top-posting vs. bottom-posting?
Yes.