Enable multicast snooping for all openstack's bridges by default

Change-Id: Icc0af350bb0ac0f4e72f651b07b66faa40840519
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandler.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandler.java
index bdd1de2..c3aea67 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandler.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandler.java
@@ -342,6 +342,7 @@
                 .failMode(BridgeDescription.FailMode.SECURE)
                 .datapathId(dpid)
                 .disableInBand()
+                .mcastSnoopingEnable()
                 .controllers(controllers);
 
         if (osNode.datapathType().equals(NETDEV)) {
@@ -419,7 +420,8 @@
         String bridgeName = BRIDGE_PREFIX + phyInterface.network();
 
         BridgeDescription.Builder builder = DefaultBridgeDescription.builder()
-                .name(bridgeName);
+                .name(bridgeName)
+                .mcastSnoopingEnable();
 
         BridgeConfig bridgeConfig = device.as(BridgeConfig.class);
         bridgeConfig.addBridge(builder.build());