diff --git a/ui/scripts/ui-custom/vpc.js b/ui/scripts/ui-custom/vpc.js
index 2bd26b11f1a..4edccf10211 100644
--- a/ui/scripts/ui-custom/vpc.js
+++ b/ui/scripts/ui-custom/vpc.js
@@ -152,6 +152,7 @@
 
                   addAction.action({
                     data: data,
+                    $form:args.$form,
                     context: gateways.context,
                     response: {
                       success: function(args) {
diff --git a/ui/scripts/vpc.js b/ui/scripts/vpc.js
index dc26265c232..17cf42a5e91 100644
--- a/ui/scripts/vpc.js
+++ b/ui/scripts/vpc.js
@@ -717,12 +717,28 @@
             netmask: {
               label: 'label.netmask', validation: { required: true },
               docID: 'helpVPCGatewayNetmask'
+            },
+             sourceNat:{
+              label:'Source NAT',
+              isBoolean:true,
+              isChecked:false
+
             }
+
+         
           }
         },
         action: function(args) {
+           var array1=[];
+            if(args.$form.find('.form-item[rel=sourceNat]').find('input[type=checkbox]').is(':Checked')== true)  {
+               array1.push("&sourcenatsupported=true");
+             }
+             else
+              array1.push("&sourcenatsupported=false");
+
+
           $.ajax({
-            url: createURL('createPrivateGateway'),
+            url: createURL('createPrivateGateway'+ array1.join("")),
             data: {
 						  physicalnetworkid: args.data.physicalnetworkid,
               vpcid: args.context.vpc[0].id,
@@ -811,15 +827,32 @@
             netmask: {
               label: 'label.netmask', validation: { required: true },
               docID: 'helpVPCGatewayNetmask'
+            },
+
+             sourceNat:{
+              label:'Source NAT',
+              isBoolean:true,
+              isChecked:false
+
             }
+
           }
 
 
 
             },
             action:function(args){
+
+             var array1=[];
+            if(args.$form.find('.form-item[rel=sourceNat]').find('input[type=checkbox]').is(':Checked')== true)  {
+               array1.push("&sourcenatsupported=true");
+             }
+             else
+              array1.push("&sourcenatsupported=false");
+
+
                        $.ajax({
-            url: createURL('createPrivateGateway'),
+            url: createURL('createPrivateGateway'+ array1.join("")),
             data: {
                                                   physicalnetworkid: args.data.physicalnetworkid,
               vpcid: args.context.vpc[0].id,