[K12OSN] Dhcp and iMac clients

[Jamie Lists]

Thanks for the quick answer.  Forgive my ignorance but what is
"DHCP-fu" exactly?
I understand most of what you said.. The only thing that troubles me
is we're going to need to still netboot newer macs for re imaging.

Will having this in the dhcp mess that up for imaging say... eMacs?

The reason i don't want to do vlans is because we're not doing a lab
but more of a classroom setup. So a classroom could have 2 old imacs
running k12ltsp and 2 new eMacs running OSX.

The problem with the vlans is all the macs in that classroom are
plugged into unmanaged mini switch and then pugged into the port in
the wall. So i don't think that would work.


2008/4/7 "Terrell Prudé Jr." <microman at cmosnetworks.com>:
>
>  You can do that.  I've done it here at home with a PMac 5260 and an iMac
> Orange (Tangerine?).  All you have to do is ensure that the proper DHCP-fu
> ends up in your existing DHCP server.  If your existing DHCP server is the
> standard ISC DHCPD, then just copy the DHCP info from K12LTSP's
> /etc/dhcpd.conf into your existing one.
>
>  If it's not ISC DHCPD, though, then it very likely does not support
> multiple CPU types for thin clients, so you'll have to configure it for x86
> thin clients OR Mac clients, i. e., not both.  So, you get to choose a thin
> client architecture...or you get to do VLANs.  Personally, I don't know what
> your objection to VLANs is, as that really is how you should be doing this.
>
>  Yes, you can do DHCP on different ports, and Chuck Liebow has indicated
> previously in the list how to do it.  It's in the K12OSN archives.  Power
> Macs use neither EtherBoot nor PXE, so you needn't worry about that (they're
> more like Sun boxes that way).  But I'd do DHCP on nonstandard ports only if
> I had no other choice.
>
>  --TP
>
> _______________________________
>  Do you GNU?
>  Microsoft Free since 2003--the ultimate antivirus protection!
>
>
>  Jamie Lists wrote:
>  We'd like to do a 1 nic setup for our k12ltsp box and not mess with
> any vlan stuff.
> We have an existing dhcp server but i'd really rather not have to hard
> code each client into the existing dhcp server.
>
> So now that i've told you what i don't want to do.. heres what we want to do
> ;)
>
> We have a bunch of old iMacs in classrooms. We're planning on
> disconnection the power to the hard drives and using them as thin
> clients for K12ltsp.
>
> We can set the open firmware on each machine to point which k12ltsp
> server to boot from.
>
> So my concern is DHCP. on the ltsp box should i be running a dhcp
> server on another port? I've seen that documentation, but i've also
> seen people note it only works with etherboot and not PXEboot.. but
> where does that leave the macs?
>
> Is their something in OpenFirmware i can configure to get this working?
>
> Thanks,
> Jamie
>
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