[Dnsmasq-discuss] Same IP-Address for Wired and Wireless using /etc/ethers

[Simon Kelley]

FDi wrote:
> Hello *,
> 
> I noticed dnsmasq supports associating multiple hardware addresses to a
> single IP-Address by a config line like this:
> 
> "dhcp-host=11:22:33:44:55:66,12:34:56:78:90:12,192.168.0.60"
> 
> However, if your using /etc/ethers and try to achieve the same, like
> this:
> 
> /etc/ethers:
> 11:22:33:44:55:66    laptop
> 12:34:56:78:90:12    laptop
> 
> /etc/hosts:
> 192.168.0.60    laptop.home    laptop
> 
> You get:
> dnsmasq-dhcp[7373]: ignoring /etc/ethers line 1, duplicate name or IP
> address
> dnsmasq-dhcp[7373]: ignoring /etc/ethers line 2, duplicate name or IP
> address
> 
> Any ideas how to neatly solve this? I'd hate to have to add exceptions
> for all my laptops to dnsmasq.conf. Having the adapters HW addresses in
> multiple files is such a pain when upgradings things.

You can't solve it using /etc/ethers. The format and semantics of that
file are standardised and dnsmasq can't change it. What you need to do
is this: stop using  /etc/ethers, and instead use --dhcp-hostsfile to
read an equivalent file in dhcp-host format, that file can include lines
with multiple MAC addresses in

11:22:33:44:55:66,12:34:56:78:90:12,192.168.0.60


HTH


Simon.



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