diff --git a/tosca-configs/voltha/dt-berlin-pod-gpon-adtran-onos-netcfg-switch.json b/tosca-configs/voltha/dt-berlin-pod-gpon-adtran-onos-netcfg-switch.json
new file mode 100644
index 0000000..5ddbebd
--- /dev/null
+++ b/tosca-configs/voltha/dt-berlin-pod-gpon-adtran-onos-netcfg-switch.json
@@ -0,0 +1,24 @@
+{
+  "devices": {
+    "of:0000000000000001" : {
+      "segmentrouting" : {
+        "name" : "agg-switch",
+        "ipv4NodeSid" : 101,
+        "ipv4Loopback" : "10.6.1.254",
+        "routerMac" : "00:00:00:00:01:80",
+        "isEdgeRouter" : true,
+        "adjacencySids" : []
+      },
+      "basic" : {
+        "driver" : "ofdpa3"
+      }
+    }
+  },
+  "apps": {
+    "org.opencord.dhcpl2relay" : {
+      "dhcpl2relay" : {
+        "useOltUplinkForServerPktInOut" : true
+      }
+    }
+  }
+}