diff --git a/RO-SDN-arista/debian/python3-osm-rosdn-arista.postinst b/RO-SDN-arista/debian/python3-osm-rosdn-arista.postinst
new file mode 100755
index 0000000..d87fa26
--- /dev/null
+++ b/RO-SDN-arista/debian/python3-osm-rosdn-arista.postinst
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+##
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: OSM_TECH@list.etsi.org
+##
+
+echo "POST INSTALL OSM-ROSDN-ARISTA"
+
+#Pip packages required for openstack connector
+python3 -m pip install cvprac