Comment 3 for bug 1512666

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Miguel Angel Ajo (mangelajo) wrote : Re: Allow for per-subnet/network dhcp options

I think this request has came up before in he past.

@carl, they use DHCP and PXE to do host discovery, inspection, and initial deployment as far as I know.

I agree with Carl, as far as I understand, current neutron dnsmasq implementation will not serve any
mac address which is not explicitly listed to it's configuration.

I don think plugging your own dnsmasq is a bad thing, I'm not sure about the iptables manipulation,
we could help you there, probably what you need is to disable port_security into the dnsmasq port
you create to avoid any iptables filter (I'm guessing what you're doing).