diff --git a/p4app/controller.py b/p4app/controller.py
index 37067f7..ba053ee 100644
--- a/p4app/controller.py
+++ b/p4app/controller.py
@@ -91,7 +91,6 @@ class L2Controller(object):
 
         # https://en.wikipedia.org/wiki/Solicited-node_multicast_address
         ndp_prefix = "ff02::1:ff00:0/104"
-        ndp_prefix = "ffff:ffff:ffff:ffff:ffff:ffff:ff00:0/104"
 
         all_ports = range(1,5)
         # create multicast nodes
diff --git a/p4src/static-mapping.p4 b/p4src/static-mapping.p4
index 97096a3..2f0f35d 100644
--- a/p4src/static-mapping.p4
+++ b/p4src/static-mapping.p4
@@ -38,7 +38,8 @@ control MyIngress(inout headers hdr,
             NoAction;
         }
         size = NDP_TABLE_SIZE;
-        default_action = NoAction;
+//        default_action = NoAction;
+        default_action = send_to_controller;
     }
 
 
@@ -71,7 +72,8 @@ control MyIngress(inout headers hdr,
             NoAction;
         }
         size = ADDRESS_TABLE_SIZE;
-        default_action = send_to_controller;
+//        default_action = send_to_controller;
+        default_action = NoAction;
 
     }