MWC fabric setup

Change-Id: I312e3d280aa17ef854eb057d6a34e89dbeef0902
diff --git a/p4-pod-configs/mwc-pod/mwc-demo.json b/p4-pod-configs/mwc-pod/mwc-demo.json
new file mode 100644
index 0000000..88ee7d5
--- /dev/null
+++ b/p4-pod-configs/mwc-pod/mwc-demo.json
@@ -0,0 +1,137 @@
+{
+  "devices": {
+    "device:tofino:leaf1": {
+      "segmentrouting": {
+        "name": "leaf1",
+        "ipv4NodeSid": 204,
+        "ipv4Loopback": "192.168.0.204",
+        "ipv6NodeSid": 214,
+        "ipv6Loopback": "2000::c0a8:0204",
+        "routerMac": "00:00:00:00:02:04",
+        "isEdgeRouter": true,
+        "adjacencySids": []
+      }
+    },
+    "device:tofino:leaf2": {
+      "segmentrouting": {
+        "name": "leaf2",
+        "ipv4NodeSid": 205,
+        "ipv4Loopback": "192.168.0.205",
+        "ipv6NodeSid": 215,
+        "ipv6Loopback": "2000::c0a8:0205",
+        "routerMac": "00:00:00:00:02:05",
+        "isEdgeRouter": true,
+        "adjacencySids": []
+      }
+    },
+    "device:cavium:spine1": {
+      "segmentrouting": {
+        "name": "spine1",
+        "ipv4NodeSid": 226,
+        "ipv4Loopback": "192.168.0.226",
+        "ipv6NodeSid": 236,
+        "ipv6Loopback": "2000::c0a8:0226",
+        "routerMac": "00:00:00:00:02:26",
+        "isEdgeRouter": false,
+        "adjacencySids": []
+      }
+    },
+    "device:mellanox:spine2": {
+      "segmentrouting": {
+        "name": "spine2",
+        "ipv4NodeSid": 227,
+        "ipv4Loopback": "192.168.0.227",
+        "ipv6NodeSid": 237,
+        "ipv6Loopback": "2000::c0a8:0227",
+        "routerMac": "00:00:00:00:02:27",
+        "isEdgeRouter": false,
+        "adjacencySids": []
+      }
+    }
+  },
+  "ports": {
+    "device:tofino:leaf1/144": {
+      "interfaces": [
+        {
+          "name": "leaf1-3/0",
+          "ips": [
+          ],
+          "vlan-untagged": 10
+        }
+      ]
+    },
+    "device:tofino:leaf1/145": {
+      "interfaces": [
+        {
+          "name": "leaf1-3/1",
+          "ips": [
+          ],
+          "vlan-untagged": 10
+        }
+      ]
+    },
+    "device:tofino:leaf1/146": {
+      "interfaces": [
+        {
+          "name": "leaf1-3/2",
+          "ips": [
+          ],
+          "vlan-untagged": 10
+        }
+      ]
+    },
+    "device:tofino:leaf1/147": {
+      "interfaces": [
+        {
+          "name": "leaf1-3/3",
+          "ips": [
+          ],
+          "vlan-untagged": 10
+        }
+      ]
+    },
+    "device:tofino:leaf2/144": {
+      "interfaces": [
+        {
+          "name": "leaf2-3/0",
+          "ips": [
+          ],
+          "vlan-untagged": 20
+        }
+      ]
+    },
+    "device:tofino:leaf2/145": {
+      "interfaces": [
+        {
+          "name": "leaf2-3/1",
+          "ips": [
+            "10.6.1.254/24"
+          ],
+          "vlan-untagged": 20
+        }
+      ]
+    },
+    "device:tofino:leaf2/146": {
+      "interfaces": [
+        {
+          "name": "leaf2-3/2",
+          "ips": [
+            "10.6.1.254/24"
+          ],
+          "vlan-untagged": 20
+        }
+      ]
+    },
+    "device:tofino:leaf2/147": {
+      "interfaces": [
+        {
+          "name": "leaf2-3/3",
+          "ips": [
+            "10.6.1.254/24"
+          ],
+          "vlan-untagged": 20
+        }
+      ]
+    }
+  }
+}