diff --git a/RO-SDN-arista/osm_rosdn_arista/aristaConfigLet.py b/RO-SDN-arista/osm_rosdn_arista/aristaConfigLet.py
index bceaa3ce9b96f51c3a779f88a35f5a058e55df34..a48f0b9673ba7b7598b09fcef780fe6ba17d3c17 100644
--- a/RO-SDN-arista/osm_rosdn_arista/aristaConfigLet.py
+++ b/RO-SDN-arista/osm_rosdn_arista/aristaConfigLet.py
@@ -30,16 +30,16 @@
 
 class AristaSDNConfigLet:
     _configLet_SRIOV = """
-!# service: {}
-interface {}
+interface {interface}
+   !! service: {uuid}
    switchport
    switchport mode trunk
-   switchport trunk group {}{}
+   switchport trunk group {service}{vlan_id}
 !
 """
 
     def _get_sriov(self, uuid, interface, vlan_id, s_type, index):
-        return self._configLet_SRIOV.format(uuid, interface, s_type, vlan_id)
+        return self._configLet_SRIOV.format(uuid=uuid, interface=interface, service=s_type, vlan_id=vlan_id)
 
     def getElan_sriov(self, uuid, interface, vlan_id, index):
         return self._get_sriov(uuid, interface, vlan_id, "ELAN", index)
@@ -48,16 +48,16 @@ interface {}
         return self._get_sriov(uuid, interface, vlan_id, "ELINE", index)
 
     _configLet_PASSTROUGH = """
-!# service: {}
-interface {}
+interface {interface}
+   !! service: {uuid}
    switchport
    switchport mode access
-   switchport access vlan {}
+   switchport access vlan {vlan_id}
 !
 """
 
     def _get_passthrough(self, uuid, interface, vlan_id, s_type, index):
-        return self._configLet_PASSTROUGH.format(uuid, interface, vlan_id)
+        return self._configLet_PASSTROUGH.format(uuid=uuid, interface=interface, vlan_id=vlan_id)
 
     def getElan_passthrough(self, uuid, interface, vlan_id, index):
         return self._get_passthrough(uuid, interface, vlan_id, "ELAN", index)
@@ -66,8 +66,8 @@ interface {}
         return self._get_passthrough(uuid, interface, vlan_id, "ELINE", index)
 
     _configLet_VLAN = """
-!## service: {service} {vlan} {uuid}
 vlan {vlan}
+   !! service: {service} {vlan} {uuid}
    name {service}{vlan}
    trunk group {service}{vlan}
    trunk group MLAGPEER
@@ -87,9 +87,9 @@ interface VXLAN1
         return self._get_vlan(uuid, vlan_id, vni_id, "ELINE")
 
     _configLet_BGP = """
-!# service: {uuid}
 router bgp {bgp}
     vlan {vlan}
+    !! service: {uuid}
         rd {loopback}:{vni}
         route-target both {vni}:{vni}
         redistribute learned
diff --git a/RO-SDN-arista/osm_rosdn_arista/wimconn_arista.py b/RO-SDN-arista/osm_rosdn_arista/wimconn_arista.py
index 67db73951cf768688a8228d1b29c547436c612cf..cde8e211c923af9594cac9bcac6b45a0c81c7819 100644
--- a/RO-SDN-arista/osm_rosdn_arista/wimconn_arista.py
+++ b/RO-SDN-arista/osm_rosdn_arista/wimconn_arista.py
@@ -122,8 +122,8 @@ class AristaSdnConnector(SdnConnectorBase):
     __OSM_PREFIX = "osm_"
     __OSM_METADATA = "OSM_metadata"
     __METADATA_PREFIX = '!## Service'
-    __EXC_TASK_EXEC_WAIT = 1
-    __ROLLB_TASK_EXEC_WAIT = 5
+    __EXC_TASK_EXEC_WAIT = 10
+    __ROLLB_TASK_EXEC_WAIT = 10
 
     def __init__(self, wim, wim_account, config=None, logger=None):
         """
@@ -777,8 +777,8 @@ class AristaSdnConnector(SdnConnectorBase):
         except Exception as ex:
             try:
                 self.__rollbackConnection(cls_perSw,
-                                          allLeafConfigured=True,
-                                          allLeafModified=True)
+                                          allLeafConfigured,
+                                          allLeafModified)
             except Exception as e:
                 self.logger.info("Exception rolling back in updating  connection: {}".
                                  format(e))
@@ -1000,7 +1000,8 @@ class AristaSdnConnector(SdnConnectorBase):
                     resp = self.client.api.update_configlet(
                                     configlet['config'],
                                     configlet['data']['key'],
-                                    configlet['data']['name'])
+                                    configlet['data']['name'],
+                                    wait_task_ids=True)
                 elif to_create:
                     operation = 'create'
                     resp = self.client.api.add_configlet(