dhcpd, iscsi and a raspberry pi

[Guy Harrison]

On Tuesday 15 March 2016 23:56:14 Matt Mullins wrote:
> On Tue, Mar 15, 2016 at 4:16 PM, Guy Harrison <gfh at swampdog.co.uk> wrote:
> > On Tuesday 15 March 2016 22:41:10 Lowell Gilbert wrote:
> > > Lowell Gilbert <freebsd-questions-local at be-well.ilk.org> writes:
> > > > I thought dhcpd would use MAC address if the client didn't provide
> > > > anything else. I'll check if I get a chance.
> > >
> > > Confirmed. My dual-boot machine has no special settings in the
> > > server's dhcp.conf, and gets the same address regardless of which OS
> > > it's using. It even offers a different hostname on each OS.
> >
> > Cheers. It's beginning to look like it's the lack of client information
> > from the first (initrd *.53) dhcp request that may be the cause. If
> > that's the case then I can rule out..
> >
> > ..and go figure out what how..
> >
> > uid "\001\270'\353\0172d";
>
> uid is the cause.  DUID was added to dhcpv4 in RFC 4361, and a dhcpd
> that understands the option will treat different DUIDs as separate
> devices even if they have the same MAC address.
>
> You might want to remove "send dhcp-client-identifier = hardware;"
> from your /etc/dhcp/dhclient.conf (or equivalent) on your Raspberry
> Pi.

The plot thickens. It would appear that option is commented out and even 
when I uncomment it, whatever I value I assign it, is ignored. Seems I'm 
now off looking for something which is overriding it elsewhere.

Cheers for the help.
Guy