diff --git a/src/sunstone/public/app/tabs/vnets-tab/utils/ar-tab.js b/src/sunstone/public/app/tabs/vnets-tab/utils/ar-tab.js
index b7d7334d7d..db35408076 100644
--- a/src/sunstone/public/app/tabs/vnets-tab/utils/ar-tab.js
+++ b/src/sunstone/public/app/tabs/vnets-tab/utils/ar-tab.js
@@ -92,9 +92,11 @@ define(function(require) {
       if(slaac){
         $('.slaac_true', ar_section).show();
         $('.slaac_false', ar_section).hide();
+        $('input#'+str_ar_tab_id+'_size',ar_section).attr("required", "required");
       }else{
         $('.slaac_true', ar_section).hide();
         $('.slaac_false', ar_section).show();
+        $('input#'+str_ar_tab_id+'_size',ar_section).removeAttr("required");
       }
     });
 
@@ -166,8 +168,11 @@ define(function(require) {
       var field=$(this);
 
       if (field.val() != null && field.val().length){ //if has a length
-        if (field.attr('name') === "SLAAC" && field[0].checked) {
-          data[field.attr('name')] = "on";
+        if (field.attr('name') === "SLAAC") {
+          if (field[0].checked)
+            data[field.attr('name')] = "on";
+          else
+            data[field.attr('name')] = "off";
         } else {
           data[field.attr('name')] = field.val();
         }
diff --git a/src/sunstone/public/app/tabs/vnets-tab/utils/ar-tab/html.hbs b/src/sunstone/public/app/tabs/vnets-tab/utils/ar-tab/html.hbs
index dbc8182deb..4f93be02eb 100644
--- a/src/sunstone/public/app/tabs/vnets-tab/utils/ar-tab/html.hbs
+++ b/src/sunstone/public/app/tabs/vnets-tab/utils/ar-tab/html.hbs
@@ -35,10 +35,10 @@
     <label for="{{str_ar_tab_id}}_size">{{tr "Size"}}</label>
     <input wizard_field="SIZE" required type="number" min="0" name="SIZE" id="{{str_ar_tab_id}}_size" />
   </div>
-    <div class="medium-6 columns collapse ar_input type_ip4_6 type_ip6 switch left">
-      <label for="{{str_ar_tab_id}}_">{{tr "SLAAC"}}</label>
-      <input class="switch-input slaac" id="{{str_ar_tab_id}}_slaac" name="SLAAC" type="checkbox">
-      <label class="switch-paddle" for="{{str_ar_tab_id}}_slaac"></label>
+  <div class="medium-6 columns collapse ar_input type_ip4_6 type_ip6 switch left" style="margin-bottom:28px" >
+    <label for="{{str_ar_tab_id}}_">{{tr "SLAAC"}}</label>
+    <input class="switch-input slaac" id="{{str_ar_tab_id}}_slaac" name="SLAAC" type="checkbox">
+    <label class="switch-paddle" for="{{str_ar_tab_id}}_slaac"></label>
   </div>
 </div>
 <div class="row slaac_true">