[Dnsmasq-discuss] DHCP for Multiple Subnets
simon at thekelleys.org.uk
Wed May 29 10:50:40 BST 2013
On 29/05/13 10:42, Robert Sweetnam wrote:
> I have been implementing dnsmasq on one host to serve multiple
> subnets. So far I have DNS configured and it is working perfectly.
> However for DHCP I am having difficulty in assigning a scope for each
> There are 3 subnets that I am trying to configure it for. However the
> host I have Dnsmasq running on only has one NIC.
> My dnsmasq has an IP address of 192.168.14.12 and my intention is to
> have it serve DHCP for subnets 192.168.13.0, .14.0 and .15.0
> The gateway for each of these is .254 so basically I'm wondering if
> for example a DHCP request comes from 192.168.13.254 it should
> acknowledge with an offer of an IP address in the 13.0 subnet.
>> From looking through the documentation and other configuration
>> examples I understand tagging might be of assistance. However I'm
>> not quite sure how this works. I've gotten as far as this and I'm
>> unsure what to do next:
> Is what I am trying to achieve actually possible or is it necessary
> for each subnet to have its own interface?
> Many thanks in advance, Robert
Are your subnets all in the same broadcast-domain (ie the piece of
virtual "wire" attached to eth0) or are they different physical networks
connected via routers to the eth0 "wire"?
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