[Dnsmasq-discuss] Multiple networks, one dnsmasq

[Simon Kelley]

On 03/05/15 01:45, Yan Seiner wrote:
> I have a router with 4 subnets, each on its own interface.  (Yes, I'm
> using vlans for 3 of them.)
> 
> 192.168.3.0      eth2    <- dmz.lan
> 192.168.4.0      eth1.4    <- auth.lan
> 192.168.5.0      eth1.5    <- guest.lan
> 192.168.6.0      eth1.6    <- tenant.lan
> 
> I'd like to set up dnsmasq so that each subnet has its own domain. I've
> searched the archives, and I've found a handful of comments but no clear
> example or guidance on how to do this, or even if this is really possible.
> 
> Basically, I need to make sure that the subnets never, ever get to talk
> to each other, and if at all possible I'd like to make sure that they're
> not even aware the other subnets exists.
> 
> Is there a way to do this?  If so, can you point me to some docs or an
> example?
> 

something like

domain = dmz.lan, 192.168.3.0/24
domain = auth.lan, 192.168.4.0/24

etc

well give the hosts on each subnet a different domain. They'll all be
able to resolve hosts on other subnets; I'm not clear if you don't want
that or not.

Cheers,

Simon