diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index 2b88f3f..b4ce283 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.7.2"
+version: "2.7.3"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"
diff --git a/voltha-adapter-openonu/templates/_helpers.tpl b/voltha-adapter-openonu/templates/_helpers.tpl
index bf89b45..2cf8200 100644
--- a/voltha-adapter-openonu/templates/_helpers.tpl
+++ b/voltha-adapter-openonu/templates/_helpers.tpl
@@ -15,9 +15,15 @@
 {{- define "name" -}}
 {{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
+
 {{/* Create a default fully qualified app name. We truncate at 63 chars because . . . */}}
 {{- define "fullname" -}}
 {{- $name := default .Chart.Name .Values.nameOverride -}}
 {{- $fullname := default (printf "%s-%s" .Release.Name $name) .Values.fullNameOverride -}}
 {{- $fullname | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
+
+{{/* Comma separated list of allowed ONU Vendors */}}
+{{- define "allowed_onu_vendors" -}}
+{{- join "," .Values.allowed_onu_vendors}}
+{{- end -}}
diff --git a/voltha-adapter-openonu/templates/openonu-go-deploy.yaml b/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
index 84bb42b..500db47 100644
--- a/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
+++ b/voltha-adapter-openonu/templates/openonu-go-deploy.yaml
@@ -98,6 +98,7 @@
             - "--max_timeout_interadapter_comm={{ tpl .Values.adapter_open_onu.max_timeout_interadapter_comm . }}"
             - "--trace_enabled={{ .Values.global.tracing.enabled }}"
             - "--trace_agent_address={{ tpl .Values.services.tracing_agent.address . }}"
+            - "--allowed_onu_vendors={{ template "allowed_onu_vendors" . }}"
           {{- if .Values.securityContext.enabled }}
           securityContext:
             allowPrivilegeEscalation: false
diff --git a/voltha-adapter-openonu/values.yaml b/voltha-adapter-openonu/values.yaml
index 54dbca6..f9f105a 100644
--- a/voltha-adapter-openonu/values.yaml
+++ b/voltha-adapter-openonu/values.yaml
@@ -65,6 +65,25 @@
   tracing_agent:
     address: jaeger-agent:6831
 
+allowed_onu_vendors:
+  - OPEN
+  - ALCL
+  - BRCM
+  - TWSH
+  - ALPH
+  - ISKT
+  - SFAA
+  - BBSM
+  - SCOM
+  - ARPX
+  - DACM
+  - ERSN
+  - HWTC
+  - CIGG
+  - ADTN
+  - ARCA
+  - AVMG
+
 # Define the recplica count for everything
 replicas:
   adapter_open_onu: 1
@@ -83,10 +102,10 @@
   adapter_open_onu:
     registry: '{{ .Values.global.image_registry }}'
     repository: '{{ .Values.global.image_org }}voltha-openonu-adapter'
-    tag: '{{- if hasKey .Values.global "image_tag" }}{{- if .Values.global.image_tag }}{{ .Values.global.image_tag }}{{- else }}2.5.0{{- end }}{{- else }}2.5.0{{- end }}'
+    tag: '{{- if hasKey .Values.global "image_tag" }}{{- if .Values.global.image_tag }}{{ .Values.global.image_tag }}{{- else }}2.7.0{{- end }}{{- else }}2.7.0{{- end }}'
     pullPolicy: '{{ .Values.global.image_pullPolicy }}'
   adapter_open_onu_go:
     registry: '{{ .Values.global.image_registry }}'
     repository: '{{ .Values.global.image_org }}voltha-openonu-adapter-go'
-    tag: '{{- if hasKey .Values.global "image_tag" }}{{- if .Values.global.image_tag }}{{ .Values.global.image_tag }}{{- else }}0.1.15{{- end }}{{- else }}0.1.15{{- end }}'
+    tag: '{{- if hasKey .Values.global "image_tag" }}{{- if .Values.global.image_tag }}{{ .Values.global.image_tag }}{{- else }}1.1.0{{- end }}{{- else }}1.1.0{{- end }}'
     pullPolicy: '{{ .Values.global.image_pullPolicy }}'