diff --git a/Python/etc/network/interfaces b/Python/etc/network/interfaces
index 6b61b57..7870543 100644
--- a/Python/etc/network/interfaces
+++ b/Python/etc/network/interfaces
@@ -111,6 +111,15 @@ iface %(interface)s inet static
     broadcast 10.52.255.255
     mtu 1496""" % { 'interface': interface, 'ip': isolementip() }
 
+    elif mode == "federez":
+        print """auto %(interface)s
+iface %(interface)s inet static
+    address %(ip)s
+    network 10.53.0.0
+    netmask 255.255.0.0
+    broadcast 10.53.255.255
+    mtu 1496""" % { 'interface': interface, 'ip': federezip() }
+
     elif mode == "manuel":
         print """auto %(interface)s
 iface %(interface)s inet static""" % { 'interface': interface }