add set vlan filed on rewrite group
diff --git a/accton/accton_util.py b/accton/accton_util.py
index 3a5af5a..3b77b1c 100755
--- a/accton/accton_util.py
+++ b/accton/accton_util.py
@@ -233,6 +233,8 @@
     if dst_mac is not None:
         action.append(ofp.action.set_field(ofp.oxm.eth_dst(dst_mac)))
 
+    action.append(ofp.action.set_field(ofp.oxm.vlan_vid(vlanid)))
+        
     action.append(ofp.action.group(group_id))
     
     buckets = [ofp.bucket(actions=action)]