Public/Private network modified

manifests/setup/sharednetwork.pp

@@ -20,9 +20,9 @@ $ip_range = "start=${start_ip},end=${end_ip}"
 
   neutron_network { 'public':
     tenant_name              => 'admin',
-    provider_network_type    => 'gre',
+    provider_network_type    => 'flat',
     router_external          => true,
-    provider_segmentation_id => 3604,
+    provider_physical_network => 'external',
     shared                   => false,
   } ->
 
@@ -41,7 +41,6 @@ $ip_range = "start=${start_ip},end=${end_ip}"
     tenant_name              => 'test',
     provider_network_type    => 'gre',
     router_external          => false,
-    provider_segmentation_id => 4063,
     shared                   => false,
   } ->