diff --git a/examples/tt-values.yaml b/examples/tt-values.yaml
index 027ae14..4f47c15 100644
--- a/examples/tt-values.yaml
+++ b/examples/tt-values.yaml
@@ -16,6 +16,63 @@
 
 # override ONOS config
 onos:
+  netcfg: >
+    {
+      "apps" : {
+        "org.opencord.igmpproxy" : {
+          "igmpproxy":{
+             "FastLeave":"true",
+             "LastQueryInterval":1,
+             "MaxResp":1,
+             "enableIgmpProvisioning":"false",
+             "globalConnectPointMode":"true",
+             "globalConnectPoint" : "of:0000000000000001/3",
+             "sourceDeviceAndPort":"of:0000000000000001/3",
+             "outgoingIgmpVlanId":550,
+             "outgoingIgmpInnerVlanId":55,
+             "outgoingIgmpWithV3":"true",
+             "IgmpCos":5,
+             "IgmpUniCos":5,
+             "PeriodicQuery":"true",
+             "KeepAliveInterval":60,
+             "KeepAliveCount":5,
+             "requestDsIgmpPackets":false
+          }
+        },
+        "org.opencord.dhcpl2relay" : {
+          "dhcpl2relay" : {
+            "useOltUplinkForServerPktInOut" : true
+          }
+        },
+        "org.opencord.kafka": {
+          "kafka" : {
+            "bootstrapServers" : "{{ .Release.Name }}-kafka.{{ .Release.Namespace }}.svc:9092"
+          }
+        },
+        "org.opencord.sadis": {
+          "sadis": {
+            "integration": {
+              "url": "http://bbsim-sadis-server.{{ .Release.Namespace }}.svc:58080/subscribers/%s",
+              "cache": {
+                "enabled": true,
+                "maxsize": 50,
+                "ttl": "PT1m"
+              }
+            }
+          },
+          "bandwidthprofile": {
+            "integration": {
+              "url": "http://bbsim-sadis-server.{{ .Release.Namespace }}.svc:58080/profiles/%s",
+              "cache": {
+                "enabled": true,
+                "maxsize": 50,
+                "ttl": "PT1m"
+              }
+            }
+          }
+        }
+      }
+    }
   componentConfig:
     "org.opencord.olt.impl.OltFlowService": >
       {
diff --git a/voltha-adapter-openolt/Chart.yaml b/voltha-adapter-openolt/Chart.yaml
index 24fcaa8..08ac6aa 100644
--- a/voltha-adapter-openolt/Chart.yaml
+++ b/voltha-adapter-openolt/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openolt"
-version: "2.9.0"
+version: "2.9.1"
 description: "A Helm chart for Voltha OpenOLT Adapter"
 keywords:
   - "onf"
diff --git a/voltha-adapter-openolt/templates/openolt-deploy.yaml b/voltha-adapter-openolt/templates/openolt-deploy.yaml
index 873e822..4c9a34b 100644
--- a/voltha-adapter-openolt/templates/openolt-deploy.yaml
+++ b/voltha-adapter-openolt/templates/openolt-deploy.yaml
@@ -94,6 +94,7 @@
             - "--kafka_cluster_address={{ tpl .Values.services.kafka.cluster.address . }}"
             - "--core_topic={{ tpl .Values.adapter_open_olt.topics.core_topic . }}"
             - "--adapter_topic={{ tpl .Values.adapter_open_olt.topics.adapter_open_olt_topic . }}"
+            - "--event_topic={{ .Values.adapter_open_olt.topics.event_topic }}"
             - "--kv_store_address={{ tpl .Values.services.etcd.address . }}"
             - "--kv_store_request_timeout={{ tpl .Values.adapter_open_olt.kv_store_timeout . }}"
             - "--heartbeat_check_interval={{ tpl .Values.adapter_open_olt.heartbeat_check_interval . }}"
diff --git a/voltha-adapter-openolt/values.yaml b/voltha-adapter-openolt/values.yaml
index 5ccf920..8e9acc1 100644
--- a/voltha-adapter-openolt/values.yaml
+++ b/voltha-adapter-openolt/values.yaml
@@ -90,6 +90,7 @@
   topics:
     core_topic: "{{ .Values.global.stack_name }}_rwcore"
     adapter_open_olt_topic: "{{ .Values.global.stack_name }}_openolt"
+    event_topic: "voltha.events"
 
 images:
   adapter_open_olt:
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index a2e6b69..4e23f38 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.8.0"
+version: "2.8.1"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"
diff --git a/voltha-adapter-openonu/templates/openonu-go-deploy.yaml b/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
index 1ea2980..4c2826b 100644
--- a/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
+++ b/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
@@ -86,6 +86,7 @@
             - "--kafka_cluster_address={{ tpl .Values.services.kafka.cluster.address . }}"
             - "--core_topic={{ tpl .Values.adapter_open_onu.topics.core_topic . }}"
             - "--adapter_topic={{ tpl .Values.adapter_open_onu.topics.adapter_open_onu_topic . }}"
+            - "--event_topic={{ .Values.adapter_open_onu.topics.event_topic }}"
             - "--kv_store_address={{ tpl .Values.services.etcd.address . }}"
             - "--kv_store_request_timeout={{ tpl .Values.adapter_open_onu.kv_store_timeout . }}"
             - "--log_level={{ $log_level }}"
diff --git a/voltha-adapter-openonu/values.yaml b/voltha-adapter-openonu/values.yaml
index 972ffe0..5b618d6 100644
--- a/voltha-adapter-openonu/values.yaml
+++ b/voltha-adapter-openonu/values.yaml
@@ -115,6 +115,7 @@
   topics:
     core_topic: "{{ .Values.global.stack_name }}_rwcore"
     adapter_open_onu_topic: "{{ .Values.global.stack_name }}_brcm_openomci_onu"
+    event_topic: "voltha.events"
 
 images:
   adapter_open_onu_go:
diff --git a/voltha-stack/Chart.yaml b/voltha-stack/Chart.yaml
index 8ca0cb9..b4d175a 100644
--- a/voltha-stack/Chart.yaml
+++ b/voltha-stack/Chart.yaml
@@ -28,18 +28,18 @@
 name: voltha-stack
 
 appVersion: "2.8-dev"
-version: 0.2.3
+version: 0.2.4
 
 dependencies:
   - name: voltha
     repository: file://../voltha
-    version: 2.9.3
+    version: 2.9.4
     condition: voltha.enabled
   - name: voltha-adapter-openonu
     repository: file://../voltha-adapter-openonu
-    version: 2.8.0
+    version: 2.8.1
     condition: voltha-adapter-openonu.enabled
   - name: voltha-adapter-openolt
     repository: file://../voltha-adapter-openolt
-    version: 2.9.0
+    version: 2.9.1
     condition: voltha-adapter-openolt.enabled
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 23eb305..b3a9a71 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha"
-version: "2.9.3"
+version: "2.9.4"
 description: "A Helm chart for Voltha based on K8S resources in Voltha project"
 keywords:
   - "onf"
diff --git a/voltha/templates/core-deploy.yaml b/voltha/templates/core-deploy.yaml
index ba729f5..55d36c5 100644
--- a/voltha/templates/core-deploy.yaml
+++ b/voltha/templates/core-deploy.yaml
@@ -93,6 +93,7 @@
             - "--kafka_adapter_address={{ tpl .Values.services.kafka.adapter.address . }}"
             - "--kafka_cluster_address={{ tpl .Values.services.kafka.cluster.address . }}"
             - "--rw_core_topic={{ tpl .Values.rw_core.topics.core_topic . }}"
+            - "--event_topic={{ .Values.rw_core.topics.event_topic }}"
             - "--core_timeout={{ tpl .Values.rw_core.core_timeout . }}"
             - "--timeout_long_request={{ tpl .Values.rw_core.timeout_long_request . }}"
             - "--timeout_request={{ tpl .Values.rw_core.timeout_request . }}"
diff --git a/voltha/templates/ofagent-deploy.yaml b/voltha/templates/ofagent-deploy.yaml
index 87f76f3..b091224 100644
--- a/voltha/templates/ofagent-deploy.yaml
+++ b/voltha/templates/ofagent-deploy.yaml
@@ -89,6 +89,7 @@
         - "--kv_store_type=etcd"
         - "--kv_store_request_timeout=60s"
         - "--log_level={{ $log_level }}"
+        - "--device-refresh-interval={{ .Values.ofagent.device_refresh_interval }}"
         - "--probe=:8080"
         - "--trace_enabled={{ .Values.global.tracing.enabled }}"
         - "--trace_agent_address={{ tpl .Values.services.tracing_agent.address . }}"
diff --git a/voltha/values.yaml b/voltha/values.yaml
index c88888e..b185c16 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -84,9 +84,11 @@
   stack_id: "{{ .Values.global.stack_name }}"
   topics:
     core_topic: "{{ .Values.global.stack_name }}_rwcore"
+    event_topic: "voltha.events"
 
 ofagent:
   log_level: '{{ .Values.global.log_level }}'
+  device_refresh_interval: '15s'
 
 # Define Docker images to be used
 images: