file = fopen(CONFIG_ROOT "/dhcp/dhcpd.conf", "w");
fprintf(file, "ddns-update-style none;\n");
+ fprintf(file, "authoritative;\n");
fprintf(file, "subnet %s netmask %s\n", greennetaddress, greennetmask);
fprintf(file, "{\n");
fprintf(file, "\toption subnet-mask %s;\n", greennetmask);