diff --git a/tools/test/topos/tofino-demo-simple.json b/tools/test/topos/tofino-demo-simple.json
index 2e5874e..05199a9 100644
--- a/tools/test/topos/tofino-demo-simple.json
+++ b/tools/test/topos/tofino-demo-simple.json
@@ -116,7 +116,7 @@
         "name": "Leaf 1",
         "latitude": 33,
         "driver": "tofino",
-        "longitude": -107
+        "longitude": -113
       }
     },
     "device:tofino:12": {
@@ -161,7 +161,35 @@
         "name": "Leaf 2",
         "latitude": 33,
         "driver": "tofino",
-        "longitude": -99
+        "longitude": -93
+      }
+    }
+  },
+  "hosts": {
+    "3c:fd:fe:a6:e7:08/-1": {
+      "basic": {
+        "latitude": 28,
+        "ips": [
+          "10.0.0.1"
+        ],
+        "locations": [
+          "device:tofino:11/180"
+        ],
+        "longitude": -113,
+        "name": "h1"
+      }
+    },
+    "3c:fd:fe:a6:e7:09/-1": {
+      "basic": {
+        "latitude": 28,
+        "ips": [
+          "10.0.0.2"
+        ],
+        "locations": [
+          "device:tofino:12/180"
+        ],
+        "longitude": -93,
+        "name": "h2"
       }
     }
   }