diff --git a/src/python/loxi/of13/action.py b/src/python/loxi/of13/action.py
index a7d6697..4875e74 100755
--- a/src/python/loxi/of13/action.py
+++ b/src/python/loxi/of13/action.py
@@ -2119,3 +2119,87 @@
         q.text('}')
 
 ofdpa.subtypes[OFDPA_ACT_OAM_SET_COUNTER_FIELDS] = ofdpa_oam_set_counter_field
+
+class copy_field(action):
+    type = 65535
+    experimenter = 0x4f4e4600  # ONF_EXPERIMENTER_ID
+    exp_type = 3200            # ONFTFP_ET_WRITE_COPYFIELD
+
+    def __init__(self, n_bits=None, src_offset=None, dst_offset=None, oxm_ids=None):
+        if n_bits != None:
+            self.n_bits = n_bits
+        else:
+            self.n_bits = 0
+        if src_offset != None:
+            self.src_offset = src_offset
+        else:
+            self.src_offset = 0
+        if dst_offset != None:
+            self.dst_offset = dst_offset
+        else:
+            self.dst_offset = 0
+        if oxm_ids != None:
+            self.oxm_ids = oxm_ids
+        else:
+            self.oxm_ids = [ ]
+        return
+
+    def pack( self ):
+        packed = [ ]
+        packed.append( struct.pack( "!H", self.type ) )
+        packed.append( struct.pack( "!H", 0 ) )  # placeholder for len at index 1
+        packed.append( struct.pack( "!L", self.experimenter ) )
+        packed.append( struct.pack( "!H", self.exp_type ) )
+        packed.append( '\x00' * 2 )
+        packed.append( struct.pack( "!H", self.n_bits ) )
+        packed.append( struct.pack( "!H", self.src_offset ) )
+        packed.append( struct.pack( "!H", self.dst_offset ) )
+        packed.append( '\x00' * 2 )
+        packed.append( "".join(self.oxm_ids ) )
+        length = sum( [ len( x ) for x in packed ] )
+        packed[ 1 ] = struct.pack( "!H", length )
+        return ''.join( packed )
+
+    @staticmethod
+    def unpack( reader ):
+        obj = copy_field()
+        _type = reader.read( "!H" )[ 0 ]
+        _len = reader.read( "!H" )[ 0 ]
+        orig_reader = reader
+        reader = orig_reader.slice( _len, 4 )
+        obj.n_bits = reader.read( "!H" )[ 0 ]
+        obj.src_offset = reader.read( "!H" )[ 0 ]
+        obj.dst_offset = reader.read( "!H" )[ 0 ]
+        reader.skip( 2 )
+        obj.oxm_ids = loxi.generic_util.unpack_list( reader, ofp.oxm.oxm.unpack )
+        return obj
+
+    def __eq__( self, other ):
+        if type( self ) != type( other ): return False
+        if self.n_bits != other.n_bits: return False
+        if self.src_offset != other.src_offset: return False
+        if self.dst_offset != other.dst_offset: return False
+        if self.oxm_ids != other.oxm_ids: return False
+        return True
+
+    def pretty_print( self, q ):
+        q.text( "copy_field {" )
+        with q.group():
+            with q.indent( 2 ):
+                q.breakable()
+                q.text( "n_bits = " )
+                q.text( "%#x" % self.n_bits )
+                q.text( "," )
+                q.breakable()
+                q.text( "src_offset = " )
+                q.text( "%#x" % self.src_offset )
+                q.text( "," )
+                q.breakable()
+                q.text( "dst_offset = " )
+                q.text( "%#x" % self.dst_offset )
+                q.text( "," )
+                q.breakable()
+                q.text( "oxm_ids = " )
+                q.pp( self.oxm_ids )
+            q.breakable()
+        q.text( '}' )
diff --git a/src/python/loxi/of13/oxm.py b/src/python/loxi/of13/oxm.py
index fa62add..7541ecf 100755
--- a/src/python/loxi/of13/oxm.py
+++ b/src/python/loxi/of13/oxm.py
@@ -6271,10 +6271,11 @@
 class exp4ByteValue(oxm):
     type_len = 0xffff0008
 
-    def __init__(self, exp_type=0, value=None):
+    def __init__(self, exp_type=0, value=None, experimenter=OFDPA_EXPERIMETER):
         if value != None:
             self.value = value
             self.exp_type=exp_type
+            self.experimenter = experimenter
         else:
             self.value = 0
         return
@@ -6282,7 +6283,7 @@
     def pack(self):
         packed = []
         packed.append(struct.pack("!L", self.type_len | (self.exp_type <<9)))
-        packed.append(struct.pack("!L", OFDPA_EXPERIMETER))
+        packed.append(struct.pack("!L", self.experimenter))
         packed.append(struct.pack("!L", self.value))
         return ''.join(packed)
 
@@ -6314,3 +6315,14 @@
         q.text('}')
 
 oxm.subtypes[0xffff000a] = exp4ByteValue
+
+class exp4ByteReg( oxm ):
+    type_len = 0x80010000
+
+    def __init__( self, oxm_field=0 ):
+        self.oxm_field = oxm_field
+
+    def pack( self ):
+        packed = [ ]
+        packed.append( struct.pack( "!L", self.type_len | (self.oxm_field << 9) ) )
+        return ''.join( packed )
diff --git a/src/python/oftest/testutils.py b/src/python/oftest/testutils.py
index 57fe0b6..abf4a27 100755
--- a/src/python/oftest/testutils.py
+++ b/src/python/oftest/testutils.py
@@ -304,6 +304,7 @@
                       in_dl_vlan_enable=False,
                       out_vlan_vid=0,
                       out_vlan_pcp=0,
+                      out_vlan_tpid=0x8100,
                       out_dl_vlan_cfi=0,
                       in_vlan_vid=0,
                       in_vlan_pcp=0,
@@ -346,7 +347,7 @@
 
     # Note Dot1Q.id is really CFI
     if (out_dl_vlan_enable and in_dl_vlan_enable):
-        pkt = scapy.Ether(dst=eth_dst, src=eth_src)/ \
+        pkt = scapy.Ether(dst=eth_dst, src=eth_src, type=out_vlan_tpid)/ \
             scapy.Dot1Q(prio=out_vlan_pcp, id=out_dl_vlan_cfi, vlan=out_vlan_vid)
 
         if in_dl_vlan_enable: