Re: [Etherboot-discuss] Etherboot to start RIS client

[Tim F. <ti...@pa...>]

On Fri, 2007-04-06 at 09:25 -0700, H. Peter Anvin wrote:
> Glenn Brown wrote:
> >  > RFC3679_PXE_CLIENT_UUID_DEFAULT, which is very inconvenient. The NICs
> >  > are already unique, so why should the ROM contain a fixed unique ID?
> > 
> > That's funny.  The original UUID format included a MAC address and a 
> > timestamp since the epoch.  It's seems to me that it would be safe to 
> > take the default UUID, change it's type field to this value, and replace 
> > the MAC address field.  Voila`, unique UUIDs for all NICs, even though 
> > the timestamp is a lie.
> 
> Yes, that would be a massive improvement if the platform doesn't already 
> contain a UUID -- in which case that UUID should be used.
> 
> Unfortunately some platforms provide a fake UUID, often crap like all 
> 1's.  Yet another example of the incompetence of BIOS programmers.

Ah ha that's why it works well when I test it as the machines are
prebuilt machines with UUID's in the bios

-- 
Tim Fletcher
Learning Technologies Manager - Parrs Wood High School