diff --git a/ansible/roles/head-net/files/fabric.cfg b/ansible/roles/head-net/files/fabric.cfg
index 531ae6a..70c3466 100644
--- a/ansible/roles/head-net/files/fabric.cfg
+++ b/ansible/roles/head-net/files/fabric.cfg
@@ -6,13 +6,18 @@
     broadcast 10.6.1.255
     gateway 10.6.1.1
     bridge_ports eth3
+    hwaddress ether a4:23:05:06:01:01
 
+# vSG public gateway
+# should be configurable
 auto fabric:0
 iface fabric:0 inet static
-    address 10.6.1.129
+    address 10.7.1.1
     netmask 255.255.255.0
 
+# public network gateway
+# should be configurable
 auto fabric:1
 iface fabric:1 inet static
-    address 10.6.1.193
+    address 10.8.1.1
     netmask 255.255.255.0