diff --git a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex1_devs.json b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex1_devs.json
index 725c15f..5c00b71 100644
--- a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex1_devs.json
+++ b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex1_devs.json
@@ -6,6 +6,7 @@
       "of:0000000000000007",
       "of:000000000000000c",
       "of:000000000000000a"
-    ]
+    ],
+    "hover": ""
   }
 }
diff --git a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex2_hosts.json b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex2_hosts.json
index 84f17df..3d7bb2d 100644
--- a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex2_hosts.json
+++ b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex2_hosts.json
@@ -7,6 +7,7 @@
       "22:BA:28:81:FD:45/-1",
       "BA:91:F6:8E:B6:B6/-1",
       "06:E2:E6:F7:03:12/-1"
-    ]
+    ],
+    "hover": ""
   }
 }
diff --git a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex3_devs_hosts.json b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex3_devs_hosts.json
index 3f915df..1757b44 100644
--- a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex3_devs_hosts.json
+++ b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex3_devs_hosts.json
@@ -7,6 +7,7 @@
       "86:C3:7B:90:79:CD/-1",
       "7E:D2:EE:0F:12:4A/-1",
       "of:000000000000000c"
-    ]
+    ],
+    "hover": ""
   }
 }
diff --git a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex4_hover.json b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex4_hover.json
new file mode 100644
index 0000000..b86e03a
--- /dev/null
+++ b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex4_hover.json
@@ -0,0 +1,8 @@
+{
+  "event": "requestTraffic",
+  "sid": 48,
+  "payload": {
+    "ids": [],
+    "hover": "9E:0B:E0:38:98:DE/-1"
+  }
+}