diff --git a/xos/synchronizer/steps/sync_venbserviceinstance.py b/xos/synchronizer/steps/sync_venbserviceinstance.py
new file mode 100644
index 0000000..3e4a107
--- /dev/null
+++ b/xos/synchronizer/steps/sync_venbserviceinstance.py
@@ -0,0 +1,66 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import sys
+from django.db.models import Q, F
+from synchronizers.new_base.modelaccessor import *
+from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
+
+parentdir = os.path.join(os.path.dirname(__file__), "..")
+sys.path.insert(0, parentdir)
+
+class SyncVENBServiceInstance(SyncInstanceUsingAnsible):
+    provides = [VENBServiceInstance]
+
+    observes = VENBServiceInstance
+
+    requested_interval = 0
+
+    template_name = "venbserviceinstance_playbook.yaml"
+
+    service_key_name = "/opt/xos/configurations/mcord/mcord_private_key"
+
+    def __init__(self, *args, **kwargs):
+        super(SyncVENBServiceInstance, self).__init__(*args, **kwargs)
+
+    def get_extra_attributes(self, o):
+
+        fields = {}
+        fields['flat_ip'] = self.get_ip_address('flat_network', VENBServiceInstance, 'get_venb_flat_ip')
+
+        return fields
+
+    def get_ip_address(self, network_name, service_instance, parameter):
+
+        try:
+            net_id = self.get_network_id(network_name)
+            ins_id = self.get_instance_id(service_instance)
+            ip_address = Port.objects.get(network_id=net_id, instance_id=ins_id).ip
+
+        except Exception:
+            ip_address = "error"
+            print "get failed -- %s" % (parameter)
+
+        return ip_address
+
+    # To get each network id
+    def get_network_id(self, network_name):
+        return Network.objects.get(name=network_name).id
+
+    # To get service_instance (assumption: there is a single instance for each service)
+    def get_instance_id(self, serviceinstance):
+        instances = serviceinstance.objects.all()
+        instance_id = instances[0].instance_id
+        return instance_id