diff --git a/tools/test/cells/cbench b/tools/test/cells/cbench
index 2e0b478..8601929 100644
--- a/tools/test/cells/cbench
+++ b/tools/test/cells/cbench
@@ -1,7 +1,5 @@
 # Local VirtualBox-based single ONOS instance & ONOS mininet box
 
-export ONOS_CELL="cbench"
-
 export ONOS_NIC=192.168.56.*
 export OC1="192.168.56.103"
 export OCN="192.168.56.103"
diff --git a/tools/test/cells/local b/tools/test/cells/local
index 64b63ec..e8ca7e9 100644
--- a/tools/test/cells/local
+++ b/tools/test/cells/local
@@ -1,7 +1,5 @@
 # Local VirtualBox-based ONOS instances 1,2 & ONOS mininet box
 
-export ONOS_CELL="local"
-
 export ONOS_NIC=192.168.56.*
 export OC1="192.168.56.101"
 export OC2="192.168.56.102"
diff --git a/tools/test/cells/office b/tools/test/cells/office
index 7c6345b..aec5e27 100644
--- a/tools/test/cells/office
+++ b/tools/test/cells/office
@@ -1,7 +1,5 @@
 # ProxMox-based cell of ONOS instance; no mininet-box
 
-export ONOS_CELL="office"
-
 export ONOS_NIC="10.1.10.*"
 export OC1="10.1.10.223"
 export OCI="${OC1}"
diff --git a/tools/test/cells/prox b/tools/test/cells/prox
index 557388f..28e073f 100644
--- a/tools/test/cells/prox
+++ b/tools/test/cells/prox
@@ -1,7 +1,5 @@
 # ProxMox-based cell of ONOS instances 1,2 & ONOS mininet box
 
-export ONOS_CELL="prox"
-
 export ONOS_NIC="10.1.9.*"
 export OC1="10.1.9.94"
 export OC2="10.1.9.82"
diff --git a/tools/test/cells/single b/tools/test/cells/single
index 50296c1..032a583 100644
--- a/tools/test/cells/single
+++ b/tools/test/cells/single
@@ -1,7 +1,5 @@
 # Local VirtualBox-based single ONOS instance & ONOS mininet box
 
-export ONOS_CELL="single"
-
 export ONOS_NIC=192.168.56.*
 export OC1="192.168.56.101"
 export OCN="192.168.56.103"
diff --git a/tools/test/cells/triple b/tools/test/cells/triple
index 104eb05..439b837 100644
--- a/tools/test/cells/triple
+++ b/tools/test/cells/triple
@@ -1,7 +1,5 @@
 # Local VirtualBox-based ONOS instances 1,2,3 & ONOS mininet box
 
-export ONOS_CELL="triple"
-
 export ONOS_NIC=192.168.56.*
 export OC1="192.168.56.101"
 export OC2="192.168.56.102"
diff --git a/web/gui/src/main/java/org/onlab/onos/gui/TopologyResource.java b/web/gui/src/main/java/org/onlab/onos/gui/TopologyResource.java
index ed14353..e8f147d 100644
--- a/web/gui/src/main/java/org/onlab/onos/gui/TopologyResource.java
+++ b/web/gui/src/main/java/org/onlab/onos/gui/TopologyResource.java
@@ -18,9 +18,12 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onlab.onos.net.Annotations;
 import org.onlab.onos.net.ConnectPoint;
 import org.onlab.onos.net.Device;
+import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.Host;
+import org.onlab.onos.net.HostId;
 import org.onlab.onos.net.HostLocation;
 import org.onlab.onos.net.Link;
 import org.onlab.onos.net.device.DeviceService;
@@ -35,6 +38,7 @@
 import org.onlab.rest.BaseResource;
 
 import javax.ws.rs.GET;
+import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.core.Response;
 import java.util.HashMap;
@@ -43,12 +47,17 @@
 import java.util.Map;
 import java.util.Set;
 
+import static org.onlab.onos.net.DeviceId.deviceId;
+import static org.onlab.onos.net.HostId.hostId;
+
 /**
  * Topology viewer resource.
  */
 @javax.ws.rs.Path("topology")
 public class TopologyResource extends BaseResource {
 
+    private static final String HOST_SEP = "/";
+
     @javax.ws.rs.Path("/graph")
     @GET
     @Produces("application/json")
@@ -70,6 +79,60 @@
         return Response.ok(rootNode.toString()).build();
     }
 
+    @javax.ws.rs.Path("/graph/{id}")
+    @GET
+    @Produces("application/json")
+    public Response details(@PathParam("id") String id) {
+        if (id.contains(HOST_SEP)) {
+            return hostDetails(hostId(id));
+        }
+        return deviceDetails(deviceId(id));
+    }
+
+    // Returns device details response.
+    private Response deviceDetails(DeviceId deviceId) {
+        DeviceService deviceService = get(DeviceService.class);
+        Device device = deviceService.getDevice(deviceId);
+        Annotations annot = device.annotations();
+        ObjectNode r = json(deviceId.toString(),
+                            new Prop("Name", annot.value("name")),
+                            new Prop("Vendor", device.manufacturer()),
+                            new Prop("H/W Version", device.hwVersion()),
+                            new Prop("S/W Version", device.swVersion()),
+                            new Prop("S/W Version", device.serialNumber()),
+                            new Prop("Latitude", annot.value("latitude")),
+                            new Prop("Longitude", annot.value("longitude")));
+        return Response.ok(r.toString()).build();
+    }
+
+    // Returns host details response.
+    private Response hostDetails(HostId hostId) {
+        HostService hostService = get(HostService.class);
+        Host host = hostService.getHost(hostId);
+        Annotations annot = host.annotations();
+        ObjectNode r = json(hostId.toString(),
+                            new Prop("MAC", host.mac().toString()),
+                            new Prop("IP", host.ipAddresses().toString()),
+                            new Prop("Latitude", annot.value("latitude")),
+                            new Prop("Longitude", annot.value("longitude")));
+        return Response.ok(r.toString()).build();
+    }
+
+    // Produces JSON property details.
+    private ObjectNode json(String id, Prop... props) {
+        ObjectMapper mapper = new ObjectMapper();
+        ObjectNode result = mapper.createObjectNode().put("id", id);
+        ObjectNode pnode = mapper.createObjectNode();
+        ArrayNode porder = mapper.createArrayNode();
+        for (Prop p : props) {
+            porder.add(p.key);
+            pnode.put(p.key, p.value);
+        }
+        result.set("propOrder", porder);
+        result.set("props", pnode);
+        return result;
+    }
+
     // Encodes all infrastructure devices.
     private ArrayNode getDevices(ObjectMapper mapper, DeviceService deviceService,
                                  TopologyGraph graph) {
@@ -209,4 +272,14 @@
         return cp.elementId().toString();
     }
 
+    // Auxiliary key/value carrier.
+    private final class Prop {
+        private final String key;
+        private final String value;
+
+        private Prop(String key, String value) {
+            this.key = key;
+            this.value = value;
+        }
+    }
 }
diff --git a/web/gui/src/main/webapp/network.js b/web/gui/src/main/webapp/network.js
index 4f8f76e..3c7507a 100644
--- a/web/gui/src/main/webapp/network.js
+++ b/web/gui/src/main/webapp/network.js
@@ -38,6 +38,7 @@
                 collisionPrevention: true
             },
             XjsonUrl: 'rs/topology/graph',
+            XjsonPrefix: '',
             jsonUrl: 'json/network.json',
             jsonPrefix: 'json/',
             iconUrl: {
@@ -889,8 +890,11 @@
     }
 
     function detailUrl(id) {
-        var safeId = id.replace(/[^a-z0-9]/gi, '_');
-        return config.jsonPrefix + safeId + '.json';
+        if (config.jsonPrefix) {
+            var safeId = id.replace(/[^a-z0-9]/gi, '_');
+            return config.jsonPrefix + safeId + '.json';
+        }
+        return config.jsonUrl + '/' + encodeURIComponent(id);
     }
 
     function flyinPane(obj) {