diff --git a/p4app/controller.py b/p4app/controller.py
index 3c3d6d7..9139e74 100644
--- a/p4app/controller.py
+++ b/p4app/controller.py
@@ -53,9 +53,11 @@ class L2Controller(object):
         self.config_hosts()
 
     def fill_tables(self):
+        self.controller.table_clear("v6_routing")
         for v6route in self.v6_routes[self.mode]:
             self.controller.table_add("v6_routing", "set_egress_port", [v6route['net']], [v6route['port']])
 
+        self.controller.table_clear("v4_routing")
         for v4route in self.v4_routes[self.mode]:
             self.controller.table_add("v4_routing", "set_egress_port", [v4route['net']], [v4route['port']])
 
@@ -64,7 +66,12 @@ class L2Controller(object):
         - all routes are networks (no /128 v6 or /32 v4
         - hosts get the first ip address in the network
         """
-        pass
+        for v6route in self.v6_routes[self.mode]:
+            self.controller.table_add("v6_routing", "set_egress_port", [v6route['net']], [v6route['port']])
+
+        for v4route in self.v4_routes[self.mode]:
+            self.controller.table_add("v4_routing", "set_egress_port", [v4route['net']], [v4route['port']])
+
 
     def debug_print_pkg(self, pkg, msg="INCOMING"):
         log.info("{}: {}".format(msg, self.debug_format_pkg(pkg)))