[Dnsmasq-discuss] Multiple entries in /etc/ethers with same IP not working

[Carlos Carvalho]

Hanno Foest (hurga-dnsmasq at tigress.com) wrote on 15 July 2008 04:32:
 >I tried to use static entries in /etc/ethers today, and I thought it
 >would be a good idea to assign the same IP to both MACs of my laptop
 >(for WLAN and ethernet), so that the computer gets the same IP/host name
 >no matter which network connection I use.
 >
 >Unfortunately it didn't work.

Yes, that's not possible because the server doesn't know that it's the
same machine, so it cannot give the same IP. You have to tell it by
making the client send a client-id. Then you can configure dnsmasq to
give an IP based on the client-id instead of the ethernet address.