[Dnsmasq-discuss] hostname seems to override my address setting in the config

[Ali Jelveh]

Thanks, that makes it much clearer to me! :)

On Apr 2, 2012, at 9:50 PM, Simon Kelley wrote:

> On 02/04/12 15:35, Ali Jelveh wrote:
>> Hi!
>> 
>> I've just run into a weird issue with our local dnsmasq installation:
>> I have an address setting in my config "address=/protonet/10.42.0.1"
>> but the moment someone with a host named "protonet" connects and gets
>> his ip address dnsmasq seems to no longer return 10.42.0.1 but the IP
>> of that new machine, is this intended? Am I doing something wrong?
> 
> 
> It's intended that names-addresses from DHCP should override
> address=/<domain>/, yes, and if a machine is called "protonet" then that
> name will override the address you've configured.
> 
> There are at least three approaches that will fix this. If you don't
> care about names for DHCP hosts, add
> 
> dhcp-ignore-names
> 
> to /etc/dnsmasq.conf. That will stop dnsmasq adding the names of any
> DHCP hosts to the DNS.
> 
> If the problem is just one machine, you could add
> 
> dhcp-host=<alternative-name>,<MAC address of client>
> 
> to control the name given to that machine.
> 
> Alternatively, do something like
> 
> domain=example.com
> dhcp=fqdn
> 
> That will stop the DHCP machine having the name "protonet" (and stop the
> override) but it will still have the name "protonet.example.com"
> 
> This change will apply to all DHCP names, of course.
> 
> 
> HTH
> 
> 
> Simon.
> 
>> 
>> Cheers, Ali
>> 
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>> 
> 
> 
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