ignore unknown mac addresses via dnsmasq

David Van Assche dvanassche at gmail.com
Wed Apr 7 18:15:45 UTC 2010

why not just continue to get dhcp addresses from the main dhcp machine, but
set the nbdroot=your.ltsp.server:port in the pxe.linux.cfg/default file.

I do this when u cant control the dhcp server, and it works ok... the only
issue might be DNS, but in theory, if the XP machines are getting DNS via
dhcp, u should be able to as well.

kind regards,
David Van Assche

On Wed, Apr 7, 2010 at 7:19 PM, Sameer Verma <sverma at sfsu.edu> wrote:

> So, our campus IP folks came by over the Spring break and "upgraded"
> our network and broke the LTSP lab setup completely. We cannot run our
> own DHCP server and serve private IPs anymore. Each client, which is a
> full XP machine is connected to the campus network and must get its IP
> from the campus DHCP server (totally off limits for us).
> So, we are going to switch over to proxy DHCP using dnsmasq.
> https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP
> The lab has 33 machines connected to a switch. The LTSP server
> (eth0=public IP) is also connected to this switch. How do I restrict
> pxeboot of the 33 machines from LTSP and not to everyone else in the
> bldg? Note that as per the instructions at
> https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP we've removed
> dhcp and installed dnsmasq. We have a list of MAC addresses for all 33
> machines. Where do these get specified?
> Any help would be much appreciated.
> I've looked into the dhcp-ignore=#known option, but no luck as yet. Is
> anybody using dnsmasq?
> cheers,
> Sameer
> --
> Dr. Sameer Verma, Ph.D.
> Associate Professor, Information Systems
> Director, Campus Business Solutions
> San Francisco State University
> http://verma.sfsu.edu/
> http://cbs.sfsu.edu/
> http://is.sfsu.edu/
> --
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