diff --git a/gns3server/controller/topology.py b/gns3server/controller/topology.py
index bb5c1987..a6bd4a00 100644
--- a/gns3server/controller/topology.py
+++ b/gns3server/controller/topology.py
@@ -485,15 +485,28 @@ def _create_cloud(node, old_node, icon):
             port_type = "ethernet"
         elif old_port["name"].startswith("nio_tap"):
             port_type = "tap"
+        elif old_port["name"].startswith("nio_udp"):
+            port_type = "udp"
         else:
             raise NotImplementedError("The conversion of cloud with {} is not supported".format(old_port["name"]))
 
-        port = {
-            "interface": old_port["name"].split(":")[1],
-            "name": old_port["name"].split(":")[1],
-            "port_number": len(ports) + 1,
-            "type": port_type
-        }
+        if port_type == "udp":
+            _, lport, rhost, rport = old_port["name"].split(":")
+            port = {
+                "name": "UDP tunnel {}".format(len(ports) + 1),
+                "port_number": len(ports) + 1,
+                "type": port_type,
+                "lport": int(lport),
+                "rhost": rhost,
+                "rport": int(rport)
+            }
+        else:
+            port = {
+                "interface": old_port["name"].split(":")[1],
+                "name": old_port["name"].split(":")[1],
+                "port_number": len(ports) + 1,
+                "type": port_type
+            }
         ports.append(port)
 
     node["properties"]["ports_mapping"] = ports
diff --git a/tests/topologies/1_5_cloud_udp/after/1_5_cloud_udp.gns3 b/tests/topologies/1_5_cloud_udp/after/1_5_cloud_udp.gns3
new file mode 100644
index 00000000..d04f3af8
--- /dev/null
+++ b/tests/topologies/1_5_cloud_udp/after/1_5_cloud_udp.gns3
@@ -0,0 +1,60 @@
+{
+    "auto_start": false,
+    "name": "untitled",
+    "project_id": "a22527ce-c976-48d6-afe9-2a04dea47a99",
+    "revision": 6,
+    "topology": {
+        "computes": [
+            {
+                "compute_id": "local",
+                "host": "127.0.0.1",
+                "name": "Local",
+                "port": 3080,
+                "protocol": "http"
+            }
+        ],
+        "drawings": [],
+        "links": [
+        ],
+        "nodes": [
+            {
+                "compute_id": "local",
+                "console": null,
+                "console_type": null,
+                "first_port_name": null,
+                "label": {
+                    "rotation": 0,
+                    "style": "font-family: TypeWriter;font-size: 10;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                    "text": "Cloud 1",
+                    "x": 55,
+                    "y": -25
+                },
+                "name": "Cloud 1",
+                "node_id": "ANYSTR",
+                "node_type": "cloud",
+                "port_name_format": "Ethernet{0}",
+                "port_segment_size": 0,
+                "properties": {
+                    "interfaces": [
+                    ],
+                    "ports_mapping": [
+                        {
+                            "lport": 30000,
+                            "name": "UDP tunnel 1",
+                            "port_number": 1,
+                            "rhost": "127.0.0.1",
+                            "rport": 20000,
+                            "type": "udp"
+                        }
+                    ]
+                },
+                "symbol": ":/symbols/cloud.svg",
+                "x": -210,
+                "y": -167,
+                "z": 1
+            }
+        ]
+    },
+    "type": "topology",
+    "version": "ANYSTR"
+}
diff --git a/tests/topologies/1_5_cloud_udp/before/1_5_cloud_udp.gns3 b/tests/topologies/1_5_cloud_udp/before/1_5_cloud_udp.gns3
new file mode 100644
index 00000000..44047709
--- /dev/null
+++ b/tests/topologies/1_5_cloud_udp/before/1_5_cloud_udp.gns3
@@ -0,0 +1,55 @@
+{
+    "auto_start": false,
+    "name": "untitled",
+    "project_id": "a22527ce-c976-48d6-afe9-2a04dea47a99",
+    "revision": 4,
+    "topology": {
+        "links": [
+        ],
+        "nodes": [
+            {
+                "description": "Cloud",
+                "id": 1,
+                "label": {
+                    "color": "#ff000000",
+                    "font": "TypeWriter,10,-1,5,75,0,0,0,0,0",
+                    "text": "Cloud 1",
+                    "x": 55.6015625,
+                    "y": -25.0
+                },
+                "ports": [
+                    {
+                        "description": "connected to PC1 on port Ethernet0",
+                        "id": 2,
+                        "link_id": 1,
+                        "name": "nio_udp:30000:127.0.0.1:20000",
+                        "nio": "NIO_UDP",
+                        "stub": true
+                    }
+                ],
+                "properties": {
+                    "name": "Cloud 1",
+                    "nios": [
+                        "nio_udp:30000:127.0.0.1:20000"
+                    ]
+                },
+                "server_id": 1,
+                "type": "Cloud",
+                "x": -210.5,
+                "y": -167.0
+            }
+        ],
+        "servers": [
+            {
+                "host": "127.0.0.1",
+                "id": 1,
+                "local": true,
+                "port": 3080,
+                "protocol": "http",
+                "vm": false
+            }
+        ]
+    },
+    "type": "topology",
+    "version": "1.5.1"
+}