diff --git a/accton/flow_test.py b/accton/flow_test.py
index c2e65d2..8755857 100755
--- a/accton/flow_test.py
+++ b/accton/flow_test.py
@@ -101,6 +101,60 @@
                         
                 verify_no_other_packets(self)
 
+class L2Flood(base_tests.SimpleDataPlane):
+    """
+    Test L2 unknown unicast flooding and broadcast flood
+    """
+    def runTest(self):
+        ports = sorted(config["port_map"].keys())
+
+        delete_all_flows(self.controller)
+        delete_all_groups(self.controller)
+        # table 10: vlan
+        # send to table 20
+        add_vlan_table_flow(self.controller, ports, 1)
+
+        # group table
+        # set up untag groups for each port
+        add_l2_interface_grouop(self.controller, ports, 1,  False, 1)
+
+        input_port = ports.pop()
+        flood_ports= ports
+        print "flood_ports %s"%flood_ports
+        print "input_port %s"%input_port        
+        #no fllod group create, veriy all drop
+        parsed_pkt = simple_tcp_packet(eth_dst='00:12:34:56:78:9a')
+        pkt = str(parsed_pkt)
+        self.dataplane.send(input_port, pkt)
+        verify_no_other_packets(self)
+        parsed_pkt = simple_tcp_packet(eth_dst='FF:FF:FF:FF:FF:FF')
+        pkt = str(parsed_pkt)
+        self.dataplane.send(input_port, pkt)
+        verify_no_other_packets(self)        
+        #add flood groupo    
+        msg=add_l2_flood_group(self.controller, flood_ports, 1, 1)
+        add_bridge_flow(self.controller, None, 1, msg.group_id, True)
+        #verify flood 
+        parsed_pkt = simple_tcp_packet(eth_dst='00:12:34:56:78:9a')
+        pkt = str(parsed_pkt)
+        self.dataplane.send(input_port, pkt)
+        for ofport in flood_ports:
+            verify_packet(self, pkt, ofport)
+
+        verify_no_other_packets(self)
+               
+        for ofport in flood_ports:
+            self.dataplane.send(ofport, pkt)
+            verify_no_packet(self, pkt, ofport)
+        verify_no_other_packets(self)
+
+        parsed_pkt = simple_tcp_packet(eth_dst='FF:FF:FF:FF:FF:FF')
+        pkt = str(parsed_pkt)
+        self.dataplane.send(input_port, pkt)
+        for ofport in flood_ports:
+            verify_packet(self, pkt, ofport)        
+        
+        
 class PacketInMiss(base_tests.SimpleDataPlane):
     """
     Test packet in function for a table-miss flow
@@ -231,7 +285,8 @@
 
 class L3UcastRoute(base_tests.SimpleDataPlane):
     """
-    P1(vlan1, 192.168.1.1) , port2(vlan2, 19.168.2.1)
+    Port1(vlan1, 0x00, 0x00, 0x00, 0x22, 0x22, 0x01, 192.168.1.1) , 
+    Port2(vlan2, 0x00, 0x00, 0x00, 0x22, 0x22, 0x02, 19.168.2.1)
     """
     def runTest(self):          
         delete_all_flows(self.controller)
@@ -314,12 +369,219 @@
         pkt=str(exp_pkt) 
         verify_packet(self, pkt, port1)
         verify_no_other_packets(self)    
-    
-class L3McastRoute(base_tests.SimpleDataPlane):
+
+
+class L3UcastECMP(base_tests.SimpleDataPlane):
+    """
+    Port1(vlan1, 0x00, 0x00, 0x00, 0x22, 0x22, 0x01, 192.168.1.1) , 
+    Port2(vlan2, 0x00, 0x00, 0x00, 0x22, 0x22, 0x02, 19.168.2.1)
+    """
     def runTest(self):          
         delete_all_flows(self.controller)
         delete_all_groups(self.controller)
+
+        if len(config["port_map"]) <2:
+            logging.info("Port count less than 2, can't run this case")
+            return
         
+        vlan_id=1
+        intf_src_mac=[0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc]
+        dst_mac=[0x00, 0x00, 0x00, 0x22, 0x22, 0x00]
+        dip=0xc0a80001
+        for port in config["port_map"].keys():
+            #add l2 interface group
+            add_one_l2_interface_grouop(self.controller, port, vlan_id=vlan_id, is_tagged=False, send_barrier=False)
+            dst_mac[5]=vlan_id
+            l3_msg=add_l3_unicast_group(self.controller, port, vlanid=vlan_id, id=vlan_id, src_mac=intf_src_mac, dst_mac=dst_mac)            
+            ecmp_msg=add_l3_ecmp_group(self.controller, vlan_id, [l3_msg.group_id])
+            #add vlan flow table
+            add_one_vlan_table_flow(self.controller, port, vlan_id, flag=VLAN_TABLE_FLAG_ONLY_BOTH)
+            #add termination flow
+            add_termination_flow(self.controller, port, 0x0800, intf_src_mac, vlan_id)           
+            #add unicast routing flow
+            dst_ip = dip + (vlan_id<<8)
+            #ECMP shall have prefix not 32
+            add_unicast_routing_flow(self.controller, 0x0800, dst_ip, 0xffffff00, ecmp_msg.group_id)            
+            vlan_id += 1
+        
+        do_barrier(self.controller)  
+        
+        port1=config["port_map"].keys()[0]
+        port2=config["port_map"].keys()[1]
+        #port 1 to port 2        
+        switch_mac = ':'.join(['%02X' % x for x in intf_src_mac])
+        dst_mac[5]=1
+        port1_mac=':'.join(['%02X' % x for x in dst_mac])
 
+        parsed_pkt = simple_tcp_packet(pktlen=100, 
+                                       eth_dst=switch_mac,
+                                       eth_src=port1_mac,
+                                       ip_ttl=64,
+                                       ip_src="192.168.1.1",
+                                       ip_dst='192.168.2.1')
+        pkt=str(parsed_pkt)
+        self.dataplane.send(port1, pkt)
+        #build expect packet
+        dst_mac[5]=2
+        port2_mac=':'.join(['%02X' % x for x in dst_mac])  
+        exp_pkt = simple_tcp_packet(pktlen=100, 
+                                       eth_dst=port2_mac,
+                                       eth_src=switch_mac,
+                                       ip_ttl=63,
+                                       ip_src="192.168.1.1",
+                                       ip_dst='192.168.2.1')        
+        pkt=str(exp_pkt)
+        verify_packet(self, pkt, port2)
+        verify_no_other_packets(self)
 
-    
\ No newline at end of file
+        #port 2 to port 1
+        switch_mac = ':'.join(['%02X' % x for x in intf_src_mac])
+        dst_mac[5]=2
+        port2_mac=':'.join(['%02X' % x for x in dst_mac])  
+
+        parsed_pkt = simple_tcp_packet(pktlen=100, 
+                                       eth_dst=switch_mac,
+                                       eth_src=port2_mac,
+                                       ip_ttl=64,
+                                       ip_src="192.168.2.1",
+                                       ip_dst='192.168.1.1')
+        pkt=str(parsed_pkt)                                       
+        self.dataplane.send(port2, pkt)
+        #build expect packet
+        dst_mac[5]=1
+        port1_mac=':'.join(['%02X' % x for x in dst_mac])  
+        exp_pkt = simple_tcp_packet(pktlen=100, 
+                                       eth_dst=port1_mac,
+                                       eth_src=switch_mac,
+                                       ip_ttl=63,
+                                       ip_src="192.168.2.1",
+                                       ip_dst='192.168.1.1')        
+        pkt=str(exp_pkt) 
+        verify_packet(self, pkt, port1)
+        verify_no_other_packets(self)    
+    
+        
+class L3McastRoute1(base_tests.SimpleDataPlane):
+    """
+    Mcast routing, From VLAN 1 to VLAN 2
+    """
+    def runTest(self):          
+        """
+        port1 (vlan 1)-> port 2 (vlan 2)
+        """
+        delete_all_flows(self.controller)
+        delete_all_groups(self.controller)
+        
+        if len(config["port_map"]) <2:
+            logging.info("Port count less than 2, can't run this case")
+            return
+
+        vlan_id =1
+        out_vlan=2
+        in_vlan=1 #macast group vid shall use input vlan diffe from l3 interface use output vlan        
+        intf_src_mac=[0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc]
+        intf_src_mac_str=':'.join(['%02X' % x for x in intf_src_mac])        
+        dst_mac=[0x01, 0x00, 0x5e, 0x01, 0x01, 0x01]
+        dst_mac_str=':'.join(['%02X' % x for x in dst_mac])
+        port1_mac=[0x00, 0x11, 0x11, 0x11, 0x11, 0x11]
+        port1_mac_str=':'.join(['%02X' % x for x in port1_mac])
+        src_ip=0xc0a80101
+        src_ip_str="192.168.1.1"
+        dst_ip=0xe0010101
+        dst_ip_str="224.1.1.1"
+        
+        port1=config["port_map"].keys()[0]
+        port2=config["port_map"].keys()[1]
+        
+        #add l2 interface group
+        for port in config["port_map"].keys():        
+            add_one_l2_interface_grouop(self.controller, port, vlan_id=vlan_id, is_tagged=False, send_barrier=False)           
+            #add vlan flow table
+            add_one_vlan_table_flow(self.controller, port, vlan_id, flag=VLAN_TABLE_FLAG_ONLY_BOTH)            
+            vlan_id +=1            
+
+        #add termination flow
+        add_termination_flow(self.controller, port1, 0x0800, [0x01, 0x00, 0x5e, 0x00, 0x00, 0x00], vlan_id)
+
+        #add l3 interface group
+        port2_ucast_msg=add_l3_interface_group(self.controller, port2, out_vlan, 2, intf_src_mac)
+        mcat_group_msg=add_l3_mcast_group(self.controller, in_vlan,  2, [port2_ucast_msg.group_id])
+        add_mcast4_routing_flow(self.controller, in_vlan, src_ip, 0, dst_ip, mcat_group_msg.group_id)               
+        
+        parsed_pkt = simple_udp_packet(pktlen=100, 
+                                       eth_dst=dst_mac_str,
+                                       eth_src=port1_mac_str,
+                                       ip_ttl=64,
+                                       ip_src=src_ip_str,
+                                       ip_dst=dst_ip_str)
+        pkt=str(parsed_pkt)
+        self.dataplane.send(port1, pkt)            
+        parsed_pkt = simple_udp_packet(pktlen=100, 
+                                       eth_dst=dst_mac_str,
+                                       eth_src=intf_src_mac_str,
+                                       ip_ttl=63,
+                                       ip_src=src_ip_str,
+                                       ip_dst=dst_ip_str)
+        pkt=str(parsed_pkt)            
+        verify_packet(self, pkt, port2)
+        verify_no_other_packets(self)               
+
+        
+class L3McastRoute2(base_tests.SimpleDataPlane):
+    """
+    Mcast routing, From VLAN 1 to VLAN 2
+    """
+    def runTest(self):          
+        """
+        port1 (vlan 1)-> port 2 (vlan 1)
+        """
+        delete_all_flows(self.controller)
+        delete_all_groups(self.controller)
+        
+        if len(config["port_map"]) <2:
+            logging.info("Port count less than 2, can't run this case")
+            return
+
+        vlan_id =1
+        intf_src_mac=[0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc]
+        intf_src_mac_str=':'.join(['%02X' % x for x in intf_src_mac])        
+        dst_mac=[0x01, 0x00, 0x5e, 0x01, 0x01, 0x01]
+        dst_mac_str=':'.join(['%02X' % x for x in dst_mac])
+        port1_mac=[0x00, 0x11, 0x11, 0x11, 0x11, 0x11]
+        port1_mac_str=':'.join(['%02X' % x for x in port1_mac])
+        src_ip=0xc0a80101
+        src_ip_str="192.168.1.1"
+        dst_ip=0xe0010101
+        dst_ip_str="224.1.1.1"
+        
+        port1=config["port_map"].keys()[0]
+        port2=config["port_map"].keys()[1]
+        
+        #add l2 interface group
+        l2_intf_group_list=[]
+        for port in config["port_map"].keys():        
+            l2_intf_gid, msg=add_one_l2_interface_grouop(self.controller, port, vlan_id=vlan_id, is_tagged=False, send_barrier=False)           
+            l2_intf_group_list.append(l2_intf_gid)
+            #add vlan flow table
+            add_one_vlan_table_flow(self.controller, port, vlan_id, flag=VLAN_TABLE_FLAG_ONLY_BOTH)            
+
+        #add termination flow
+        add_termination_flow(self.controller, port1, 0x0800, [0x01, 0x00, 0x5e, 0x00, 0x00, 0x00], vlan_id)
+
+        #add l3 interface group
+        mcat_group_msg=add_l3_mcast_group(self.controller, vlan_id,  2, l2_intf_group_list)
+        add_mcast4_routing_flow(self.controller, vlan_id, src_ip, 0, dst_ip, mcat_group_msg.group_id)               
+
+        parsed_pkt = simple_udp_packet(pktlen=100, 
+                                       eth_dst=dst_mac_str,
+                                       eth_src=port1_mac_str,
+                                       ip_ttl=64,
+                                       ip_src=src_ip_str,
+                                       ip_dst=dst_ip_str)
+        pkt=str(parsed_pkt)
+        self.dataplane.send(port1, pkt)            
+        verify_packet(self, pkt, port2)
+        verify_no_other_packets(self)               
+            
+
+            
\ No newline at end of file