diff --git a/ponsimv2/Chart.yaml b/ponsimv2/Chart.yaml
index 296e6a1..45bf595 100644
--- a/ponsimv2/Chart.yaml
+++ b/ponsimv2/Chart.yaml
@@ -17,7 +17,7 @@
 description: PON Simulator
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 1.0.3
+version: 1.1.0
 
 # VOLTHA version
 appVersion: 1.6.0
diff --git a/ponsimv2/templates/olt.yaml b/ponsimv2/templates/olt.yaml
index 8026068..3f03ed5 100644
--- a/ponsimv2/templates/olt.yaml
+++ b/ponsimv2/templates/olt.yaml
@@ -13,39 +13,41 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+{{- range $i, $junk := until (.Values.numOlts|int) }}
+---
 apiVersion: v1
 kind: Service
 metadata:
-   name: olt
-   namespace: {{ .Values.global.namespace }}
+   name: olt{{ $i }}
+   namespace: {{ $.Values.global.namespace }}
    labels:
-     name: olt
+     name: olt{{ $i }}
 spec:
   ports:
     - name: grpc
       port: 50060
       targetPort: 50060
   selector:
-    app: olt
+    app: olt{{ $i }}
 ---
 apiVersion: apps/v1beta1
 kind: Deployment
 metadata:
-  name: olt
-  namespace: {{ .Values.global.namespace }}
+  name: olt{{ $i }}
+  namespace: {{ $.Values.global.namespace }}
 spec:
    replicas: 1
    template:
      metadata:
        labels:
-         app: olt
+         app: olt{{ $i }}
        annotations:
-         cni: "calico,pon1"
+         cni: "calico,nni{{ $i }}"
      spec:
        containers:
-         - name: olt
-           image: "{{ .Values.global.registry }}{{ .Values.images.olt.repository }}:{{ tpl .Values.images.olt.tag . }}"
-           imagePullPolicy: {{ .Values.images.olt.pullPolicy }}
+         - name: olt{{ $i }}
+           image: "{{ $.Values.global.registry }}{{ $.Values.images.olt.repository }}:{{ tpl $.Values.images.olt.tag $ }}"
+           imagePullPolicy: {{ $.Values.images.olt.pullPolicy }}
            env:
              - name: POD_IP
                valueFrom:
@@ -71,3 +73,4 @@
            ports:
             - containerPort: 50060
               name: grpc-port
+{{- end }}
\ No newline at end of file
diff --git a/ponsimv2/templates/onu.yaml b/ponsimv2/templates/onu.yaml
index 6179fc2..debb013 100644
--- a/ponsimv2/templates/onu.yaml
+++ b/ponsimv2/templates/onu.yaml
@@ -13,34 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+{{- range $i, $junk := until (.Values.numOlts|int) }}
+---
 apiVersion: v1
 kind: Service
 metadata:
-   name: onu
-   namespace: {{ .Values.global.namespace }}
+   name: onu{{ $i }}
+   namespace: {{ $.Values.global.namespace }}
    labels:
-     name: onu
+     name: onu{{ $i }}
 spec:
   ports:
     - name: grpc
       port: 50061
       targetPort: 50061
   selector:
-    app: onu
+    app: onu{{ $i }}
 ---
 apiVersion: apps/v1beta1
 kind: Deployment
 metadata:
-  name: onu
-  namespace: {{ .Values.global.namespace }}
+  name: onu{{ $i }}
+  namespace: {{ $.Values.global.namespace }}
 spec:
    replicas: 1
    template:
      metadata:
        labels:
-         app: onu
+         app: onu{{ $i }}
        annotations:
-         cni: "calico,pon0"
+         cni: "calico,pon{{ $i }}"
      spec:
        affinity:
         podAffinity:
@@ -52,12 +54,12 @@
                 - key: app
                   operator: In
                   values:
-                  - rg
+                  - rg{{ $i }}
               topologyKey: kubernetes.io/hostname
        containers:
-         - name: onu
-           image: "{{ .Values.global.registry }}{{ .Values.images.onu.repository }}:{{ tpl .Values.images.onu.tag . }}"
-           imagePullPolicy: {{ .Values.images.onu.pullPolicy }}
+         - name: onu{{ $i }}
+           image: "{{ $.Values.global.registry }}{{ $.Values.images.onu.repository }}:{{ tpl $.Values.images.onu.tag $ }}"
+           imagePullPolicy: {{ $.Values.images.onu.pullPolicy }}
            env:
              - name: POD_IP
                valueFrom:
@@ -72,7 +74,7 @@
              - "-device_type"
              - "ONU"
              - "-parent_addr"
-             - "olt"
+             - "olt{{ $i }}"
              - "-grpc_port"
              - "50061"
              - "-internal_if"
@@ -80,7 +82,12 @@
              - "-external_if"
              - "eth1"
              - "-promiscuous"
+{{- if not $.Values.legacyPonsim }}
+             - "-serial_number"
+             - "PSMO{{ printf "%04d" $i }}0000"
+{{- end }}
 
            ports:
             - containerPort: 50061
               name: grpc-port
+{{- end }}
\ No newline at end of file
diff --git a/ponsimv2/templates/rg.yaml b/ponsimv2/templates/rg.yaml
index e96c59c..ae3203c 100644
--- a/ponsimv2/templates/rg.yaml
+++ b/ponsimv2/templates/rg.yaml
@@ -13,19 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+{{- range $i, $junk := until (.Values.numOlts|int) }}
+---
 apiVersion: apps/v1beta1
 kind: Deployment
 metadata:
-  name: rg
-  namespace: {{ .Values.global.namespace }}
+  name: rg{{ $i }}
+  namespace: {{ $.Values.global.namespace }}
 spec:
    replicas: 1
    template:
      metadata:
        labels:
-         app: rg
+         app: rg{{ $i }}
        annotations:
-         cni: "pon0"
+         cni: "pon{{ $i }}"
      spec:
        affinity:
         podAffinity:
@@ -37,12 +39,12 @@
                 - key: app
                   operator: In
                   values:
-                  - onu
+                  - onu{{ $i }}
               topologyKey: kubernetes.io/hostname
        containers:
-         - name: rg
-           image: "{{ .Values.global.registry }}{{ .Values.images.rg.repository }}:{{ tpl .Values.images.rg.tag . }}"
-           imagePullPolicy: {{ .Values.images.rg.pullPolicy }}
+         - name: rg{{ $i }}
+           image: "{{ $.Values.global.registry }}{{ $.Values.images.rg.repository }}:{{ tpl $.Values.images.rg.tag $ }}"
+           imagePullPolicy: {{ $.Values.images.rg.pullPolicy }}
            env:
              - name: POD_IP
                valueFrom:
@@ -55,3 +57,4 @@
            command: [ "/bin/bash", "-c", "trap : TERM INT; sleep infinity & wait" ]
            securityContext:
              privileged: true
+{{- end }}
\ No newline at end of file
diff --git a/ponsimv2/values.yaml b/ponsimv2/values.yaml
index 9fa6c0a..42434b5 100644
--- a/ponsimv2/values.yaml
+++ b/ponsimv2/values.yaml
@@ -34,3 +34,9 @@
 global:
   namespace: voltha
   registry: ''
+
+# numOlts > 1 only works with voltha-1.7 or greater
+numOlts: 1
+
+# legacyPonsim == true means that we are using voltha-1.6
+legacyPonsim: true