Update logical port grouping id

Change-Id: I7f7671487fb5c8c0c375df03992f2334226a823d
diff --git a/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/OpenConfigDeviceDiscovery.java b/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/OpenConfigDeviceDiscovery.java
index b2e76a2..1c2e599 100644
--- a/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/OpenConfigDeviceDiscovery.java
+++ b/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/OpenConfigDeviceDiscovery.java
@@ -175,10 +175,15 @@
         switch (type) {
         case "oc-platform-types:PORT":
         case "oc-platform-types:TRANSCEIVER":
-        case "oc-opt-types:OPTICAL_CHANNEL":
+        //case "oc-opt-types:OPTICAL_CHANNEL":
             // TODO assign appropriate port type & annotations at some point
             // for now we just need a Port with annotations
             builder.type(Type.PACKET);
+
+            // Just a heuristics to deal with simple transponder
+            // if the device declare odtn-connection-id, just use them
+            // if not assign same value to relevant ports types
+            props.putIfAbsent(CONNECTION_ID, "the-only-one");
             break;
 
         default: