diff --git a/src/cli/onevcenter b/src/cli/onevcenter
index b54451edc3..08f0ae7b00 100755
--- a/src/cli/onevcenter
+++ b/src/cli/onevcenter
@@ -268,6 +268,8 @@ cmd=CommandParser::CmdParser.new(ARGV) do
 
                     next if STDIN.gets.strip.downcase != 'y'
 
+                    # Size
+
                     STDOUT.print "    How many VMs are you planning"\
                                  " to fit into this network [255]? "
 
@@ -275,11 +277,68 @@ cmd=CommandParser::CmdParser.new(ARGV) do
 
                     size = "255" if size.to_i.to_s != size
 
+                    # Type
+
+                    STDOUT.print "    What type of Virtual Network"\
+                                 " do you want to create (IPv[4],IPv[6]"\
+                                 ",[E]thernet) ?"
+
+                    type = STDIN.gets.strip
+
+                    ar_str =  "\nAR=[TYPE=\""
+
+                    case type.downcase
+                        when "4"
+                            ar_str += "IP4\""
+                            STDOUT.print "    Please input the first IP "\
+                                         "in the range: "
+                            ip = STDIN.gets.strip
+                            ar_str += ",IP=" + ip
+
+                            STDOUT.print "    Please input the first MAC "\
+                                         "in the range [Enter for default]: "
+                            mac = STDIN.gets.strip
+                            ar_str += ",MAC=" + mac if !mac.empty?
+                        when "6"
+                            ar_str += "IP6\""
+                            STDOUT.print "    Please input the first MAC "\
+                                         "in the range [Enter for default]: "
+                            mac = STDIN.gets.strip
+                            ar_str += ",MAC=" + mac if !mac.empty?
+
+                            STDOUT.print "    Please input the GLOBAL PREFIX "\
+                                         "[Enter for default]: "
+                            gp = STDIN.gets.strip
+                            ar_str += ",GLOBAL_PREFIX=" + gp if !gp.empty?
+
+                            STDOUT.print "    Please input the ULA PREFIX "\
+                                         "[Enter for default]: "
+                            up = STDIN.gets.strip
+                            ar_str += ",ULA_PREFIX=" + up if !up.empty?
+                        when "E"
+                            ar_str += "ETHER\""
+                            STDOUT.print "    Please input the first MAC "\
+                                 "in the range [Enter for default]: "
+                            mac = STDIN.gets.strip
+                            ar_str += ",MAC=" + mac if !mac.empty?
+                        else
+                         STDOUT.puts "    Type [#{type}] not supported,"\
+                                    " defaulting to Ethernet."
+                         ar_str += "ETHER\""
+                         STDOUT.print "    Please input the first MAC "\
+                              "in the range [Enter for default]: "
+                         mac = STDIN.gets.strip
+                         ar_str += ",MAC=" + mac if !mac.empty?
+                    end
+
+                    ar_str += ",SIZE = \"#{size}\"]"
+
                     one_vn = ::OpenNebula::VirtualNetwork.new(
                                 ::OpenNebula::Template.build_xml, vc.one)
 
-                    vnet_template =  n[:one] + 
-                                 " SIZE = \"#{size.to_i}\"\n]"
+                    vnet_template =  n[:one] + ar_str
+
+                                        puts vnet_template
                     
                     rc = one_vn.allocate(vnet_template)
 
diff --git a/src/vmm_mad/remotes/vcenter/vcenter_driver.rb b/src/vmm_mad/remotes/vcenter/vcenter_driver.rb
index a4a429de15..0f3561c8ee 100644
--- a/src/vmm_mad/remotes/vcenter/vcenter_driver.rb
+++ b/src/vmm_mad/remotes/vcenter/vcenter_driver.rb
@@ -254,9 +254,7 @@ class VIClient
             networks.each { |n|
                 vnet_template =  "NAME=\"#{n[:name]}\"\n" +
                                  "BRIDGE=\"#{n[:name]}\"\n" +
-                                 "VCENTER_TYPE=\"Port Group\"" +
-                                 "AR=[\n" +
-                                 " TYPE = \"ETHER\"\n,"
+                                 "VCENTER_TYPE=\"Port Group\""
 
                 one_nets << {:name => n.name,
                              :bridge => n.name,
@@ -270,9 +268,7 @@ class VIClient
             networks.each { |n|
                 vnet_template =  "NAME=\"#{n[:name]}\"\n" +
                      "BRIDGE=\"#{n[:name]}\"\n" +
-                     "VCENTER_TYPE=\"Distributed Port Group\"" +
-                     "AR=[\n" +
-                     " TYPE = \"ETHER\"\n,"
+                     "VCENTER_TYPE=\"Distributed Port Group\""
 
                 vlan     = n.config.defaultPortConfig.vlan.vlanId
                 vlan_str = ""
@@ -288,18 +284,19 @@ class VIClient
                     end
                 end
 
+                if !vlan_str.empty?
+                    vnet_template = "VLAN=\"YES\"\nVLAN_ID=#{vlan_str}\n" +
+                                    vnet_template
+                end
+
                 one_net = {:name => n.name,
                            :bridge => n.name,
                            :type => "Distributed Port Group",
                            :one => vnet_template}
 
-                if !vlan_str.empty?
-                    one_net[:vlan] = vlan_str
-                    vnet_template = "VLAN=\"YES\"\nVLAN_ID=#{one_net[:vlan]}" +
-                                    vnet_template
-                end
+                one_net[:vlan] = vlan_str if !vlan_str.empty?
 
-                one_nets <<  one_net
+                one_nets << one_net
             }
 
             vcenter_networks[dc.name] = one_nets