diff --git a/attributes/default.rb b/attributes/default.rb
index 21ff501f..fd4a58ed 100644
--- a/attributes/default.rb
+++ b/attributes/default.rb
@@ -68,6 +68,9 @@ default["nova"]["networks"] = [
         }
 ]
 
+default["nova"]["network"]["fixed_range"] = "192.168.100.0/24"
+default["nova"]["network"]["dmz_cidr"] = "10.128.0.0/24"
+
 default["nova"]["libvirt"]["virt_type"] = "kvm"
 default["nova"]["libvirt"]["vncserver_listen"] = node["ipaddress"]
 default["nova"]["libvirt"]["vncserver_proxyclient_address"] = node["ipaddress"]
diff --git a/recipes/nova-common.rb b/recipes/nova-common.rb
index a46561e3..6b76e3e4 100644
--- a/recipes/nova-common.rb
+++ b/recipes/nova-common.rb
@@ -73,7 +73,9 @@ template "/etc/nova/nova.conf" do
     "glance_api_port" => glance_endpoint["port"],
     "iscsi_helper" => platform_options["iscsi_helper"],
     "availability_zone" => node["nova"]["config"]["availability_zone"],
-    "virt_type" => node["nova"]["libvirt"]["virt_type"]
+    "virt_type" => node["nova"]["libvirt"]["virt_type"],
+    "fixed_range" => node["nova"]["network"]["fixed_range"],
+    "dmz_cidr" => node["nova"]["network"]["dmz_cidr"]
   )
 end
 
diff --git a/templates/default/nova.conf.erb b/templates/default/nova.conf.erb
index 448d3139..bf1301d1 100644
--- a/templates/default/nova.conf.erb
+++ b/templates/default/nova.conf.erb
@@ -24,9 +24,10 @@ default_schedule_zone=nova
 # NETWORK
 network_manager=nova.network.manager.FlatDHCPManager
 #--flat_interface=eth1
-#--fixed_range=10.20.1.0/24
 #--flat_network_dhcp_start=10.20.1.2
 #--public_interface=eth0
+fixed_range=<%= @fixed_range %>
+dmz_cidr=<%= @dmz_cidr %>
 force_dhcp_release=true
 send_arp_for_ha=True
 <% if @virt_type == "qemu" -%>