diff --git a/gns3server/api/routes/controller/links.py b/gns3server/api/routes/controller/links.py
index 7264a9419..be6865fdb 100644
--- a/gns3server/api/routes/controller/links.py
+++ b/gns3server/api/routes/controller/links.py
@@ -285,3 +285,56 @@ async def stream_pcap(request: Request, link: Link = Depends(dep_link)) -> Strea
             raise ControllerError(f"Client error received when receiving pcap stream from compute: {e}")
 
     return StreamingResponse(compute_pcap_stream(), media_type="application/vnd.tcpdump.pcap")
+
+
+@router.get(
+    "/{link_id}/iface",
+    response_model=dict[str, schemas.UdpPort | schemas.EthernetPort],
+    dependencies=[Depends(has_privilege("Link.Audit"))]
+)
+async def get_iface(link: Link = Depends(dep_link)) -> dict[str, schemas.UdpPort | schemas.EthernetPort]:
+    """
+    Return iface info for links to Cloud or NAT devices.
+
+    Required privilege: Link.Audit
+    """
+    ifaces_info = {}
+    for node_data in link._nodes:
+        node = node_data["node"]
+        if node.node_type not in ("cloud", "nat"):
+            continue
+
+        port_number = node_data["port_number"]
+        
+        compute = node.compute
+        project_id = link.project.id
+        response = await compute.get(
+            f"/projects/{project_id}/{node.node_type}/nodes/{node.id}"
+        )
+        node_info = response.json
+        
+        if "ports_mapping" not in node_info:
+            continue
+        ports_mapping = node_info["ports_mapping"]
+        
+        for port in ports_mapping:
+            port_num = port.get("port_number")
+
+            if port_num and int(port_num) == int(port_number):
+                port_type = port.get("type", "")
+                if "udp" in port_type.lower():
+                    ifaces_info[node.id] = {
+                        "rhost": port["rhost"],
+                        "lport": port["lport"],
+                        "rport": port["rport"],
+                    }
+                else:
+                    ifaces_info[node.id] = {
+                        "interface": port["interface"],
+                    }
+    
+    if not ifaces_info:
+        raise ControllerError(
+            "Link not connected to Cloud/NAT with UDP tunnel"
+        )
+    return ifaces_info
diff --git a/gns3server/schemas/__init__.py b/gns3server/schemas/__init__.py
index d331de545..a4fb297d6 100644
--- a/gns3server/schemas/__init__.py
+++ b/gns3server/schemas/__init__.py
@@ -20,7 +20,7 @@ from .common import ErrorMessage
 from .version import Version
 
 # Controller schemas
-from .controller.links import LinkCreate, LinkUpdate, Link
+from .controller.links import LinkCreate, LinkUpdate, Link, UdpPort, EthernetPort
 from .controller.computes import ComputeCreate, ComputeUpdate, ComputeVirtualBoxVM, ComputeVMwareVM, ComputeDockerImage, AutoIdlePC, Compute
 from .controller.templates import TemplateCreate, TemplateUpdate, TemplateUsage, Template
 from .controller.images import Image, ImageType
diff --git a/gns3server/schemas/controller/links.py b/gns3server/schemas/controller/links.py
index fd853e2fe..15fa2650e 100644
--- a/gns3server/schemas/controller/links.py
+++ b/gns3server/schemas/controller/links.py
@@ -92,3 +92,21 @@ class Link(LinkBase):
         None,
         description="Read only property. The compute identifier where a capture is running"
     )
+
+
+class UdpPort(BaseModel):
+    """
+    UDP port information.
+    """
+
+    lport: int
+    rhost: str
+    rport: int
+
+
+class EthernetPort(BaseModel):
+    """
+    Ethernet port information.
+    """
+
+    interface: str