[Dnsmasq-discuss] dnsmasq handling of duplicate hostnames

Simon Kelley simon at thekelleys.org.uk
Sun May 13 09:42:31 BST 2018


The current behaviour is deliberate. It's actually the last Mac address
to get a DHCP lease which gets the name, and it's to allow a host with
multiple interfaces (possibly on multiple networks) to always have it's
name associated with a currently-in-use interface.

Cheers,

Simon.


On 12/05/18 01:19, mike at farmwald.com wrote:
> From testing, it appears that dnsmasq ignores duplicate hostnames, i.e.
> if mac1 and mac2 have the same hostname, then one of them (the first to
> request?) gets the name, and the other(s) get a blank name.
> If this is correct, could this be changed to add a suffix to the
> duplicate names, e.g.:
> Mac1 Hostname
> Mac2 Hostname(2)
> Mac3 Hostname(3), etc.
> 
> Note that any modified name would be fine:  Hostname_2, Hostname-2, etc.
> 
> Instead of the current:
> Mac1 Hostname
> Mac2 <blank>
> Mac3 <blank>
> 
> Thanks.
> 
> 
> 
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