Config ARP proxy mode by default ensure it works in VXLAN and VLAN

Change-Id: Iab7e1c71d872b37a6f5309b2d4f9839f9f35fcfc
diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/Constants.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/Constants.java
index 136c12e..2ad9109 100644
--- a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/Constants.java
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/Constants.java
@@ -31,7 +31,7 @@
     public static final String ARP_PROXY_MODE = "proxy";
 
     public static final String DEFAULT_GATEWAY_MAC_STR = "fe:00:00:00:00:02";
-    public static final String DEFAULT_ARP_MODE_STR = ARP_BROADCAST_MODE;
+    public static final String DEFAULT_ARP_MODE_STR = ARP_PROXY_MODE;
     public static final MacAddress DEFAULT_GATEWAY_MAC = MacAddress.valueOf(DEFAULT_GATEWAY_MAC_STR);
     public static final MacAddress DEFAULT_EXTERNAL_ROUTER_MAC = MacAddress.valueOf("fe:00:00:00:00:01");
 
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingArpHandler.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingArpHandler.java
index 7e15b25..0cdb78b 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingArpHandler.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingArpHandler.java
@@ -137,7 +137,7 @@
     private String gatewayMac = DEFAULT_GATEWAY_MAC_STR;
 
     @Property(name = ARP_MODE, value = DEFAULT_ARP_MODE_STR,
-            label = "ARP processing mode, broadcast (default) | proxy ")
+            label = "ARP processing mode, proxy (default) | broadcast ")
     protected String arpMode = DEFAULT_ARP_MODE_STR;
 
     private final InternalPacketProcessor packetProcessor = new InternalPacketProcessor();