Configuración para un servidor DHCP con reservas de IPs
''/etc/dnsmasq.conf''
<code> 
interface=wlan0
dhcp-option=3,192.168.155.1
dhcp-option=6,8.8.8.8,8.8.4.4
dhcp-range=192.168.155.50,192.168.155.100,12h

#Reservas
#Camara 1
dhcp-host=28:10:7b:1e:5c:42,192.168.155.92

#Camara 360
dhcp-host=78:a5:dd:05:9f:ec,192.168.155.94

dhcp-mac=set:client_is_a_pi,B8:27:EB:*:*:*
dhcp-reply-delay=tag:client_is_a_pi,2

</code>
====== Referencias ======

  * https://yulistic.gitlab.io/2018/03/configuring-dnsmasq-only-for-dhcp-server-in-ubuntu-pc/
  * https://www.tecmint.com/setup-a-dns-dhcp-server-using-dnsmasq-on-centos-rhel/