diff --git a/src/main/java/net/floodlightcontroller/core/IOFSwitch.java b/src/main/java/net/floodlightcontroller/core/IOFSwitch.java
index b6188dcd63131bbeb44de0a3d452a83e41bdb27b..67345322dfeb7f1e4d3707cb007562ea4d36a47c 100644
--- a/src/main/java/net/floodlightcontroller/core/IOFSwitch.java
+++ b/src/main/java/net/floodlightcontroller/core/IOFSwitch.java
@@ -47,6 +47,7 @@ public interface IOFSwitch {
     public static final String PROP_REQUIRES_L3_MATCH = "requiresL3Match";
     public static final String PROP_SUPPORTS_OFPP_TABLE = "supportsOfppTable";
     public static final String PROP_SUPPORTS_OFPP_FLOOD = "supportsOfppFlood";
+    public static final String PROP_SUPPORTS_NETMASK_TBL = "supportsNetmaskTbl";
     
     /**
      * Writes to the OFMessage to the output stream.