Add head node to fabric

Change-Id: I4ebbf9d70751bd0562dad4eb2b06afe265ed66b6
diff --git a/p4-pod-configs/dev-pod/mwc-demo.json b/p4-pod-configs/dev-pod/mwc-demo.json
index 2727de6..f84b1e3 100644
--- a/p4-pod-configs/dev-pod/mwc-demo.json
+++ b/p4-pod-configs/dev-pod/mwc-demo.json
@@ -75,6 +75,17 @@
         }
       ]
     },
+    "device:tofino:leaf1/182": {
+      "interfaces": [
+        {
+          "name": "leaf1-3/2----head-node",
+          "ips": [
+            "118.0.0.254/24"
+          ],
+          "vlan-untagged": 10
+        }
+      ]
+    },
     "device:tofino:leaf2/180": {
       "interfaces": [
         {
diff --git a/p4-pod-configs/dev-pod/tofino-leaf1-netcfg.json b/p4-pod-configs/dev-pod/tofino-leaf1-netcfg.json
index 172c304..10b005a 100644
--- a/p4-pod-configs/dev-pod/tofino-leaf1-netcfg.json
+++ b/p4-pod-configs/dev-pod/tofino-leaf1-netcfg.json
@@ -45,6 +45,14 @@
           "number": 181,
           "removed": false,
           "type": "copper"
+        },
+        "3/2": {
+          "name": "3/2",
+          "speed": 10000,
+          "enabled": true,
+          "number": 182,
+          "removed": false,
+          "type": "copper"
         }
       },
       "basic": {