hosts.cfg
define host {
           use                generic-host
           host_name          vader
           alias              firewall
           address            192.168.10.1
           check_command      check-host-alive
           notification_period 24x7
}

define host {
           use               generic-host
           host_name         vader-ipv6
           alias             ipv6
           address           2001:470:7:b10::2
           check_command     check_ipv6
}

define host {
           use               generic-host
           host_name         Tunel_Hurrinace_IPv6
           alias             hurricane_ipv6
           address           2001:470:7:b10::1
           check_command     check_ipv6
}

define host {
           use               generic-host
           host_name         yoda
           alias             monitoracao
           address           192.168.10.4
           check_command     check-host-alive
           notification_period    24x7
}