CORD-433 Add virtual fabric to CiaB

Change-Id: I8fbea8c85f309a4c226951e0cde96a9b7394d6eb
diff --git a/ansible/roles/prod/files/fabric.cfg b/ansible/roles/prod/files/fabric.cfg
new file mode 100644
index 0000000..531ae6a
--- /dev/null
+++ b/ansible/roles/prod/files/fabric.cfg
@@ -0,0 +1,18 @@
+auto fabric
+iface fabric inet static
+    address 10.6.1.1
+    network 10.6.1.0
+    netmask 255.255.255.0
+    broadcast 10.6.1.255
+    gateway 10.6.1.1
+    bridge_ports eth3
+
+auto fabric:0
+iface fabric:0 inet static
+    address 10.6.1.129
+    netmask 255.255.255.0
+
+auto fabric:1
+iface fabric:1 inet static
+    address 10.6.1.193
+    netmask 255.255.255.0