diff --git a/src/test/igmp/igmpTest.py b/src/test/igmp/igmpTest.py
new file mode 100644
index 0000000..60d314e
--- /dev/null
+++ b/src/test/igmp/igmpTest.py
@@ -0,0 +1,96 @@
+import unittest
+from nose.tools import *
+from nose.twistedtools import reactor, deferred
+from twisted.internet import defer
+from scapy.all import *
+import time
+import os, sys
+CORD_TEST_UTILS = 'utils'
+test_root = os.getenv('CORD_TEST_ROOT') or './'
+sys.path.append(test_root + CORD_TEST_UTILS)
+from IGMP import *
+
+class IGMPTestState:
+
+      def __init__(self, groups = [], df = None, state = 0):
+            self.df = df
+            self.state = state
+            self.counter = 0
+            self.groups = groups
+            self.group_map = {} ##create a send/recv count map
+            for g in groups:
+                self.group_map[g] = [0, 0]
+
+      def update(self, group, tx = 0, rx = 0):
+            index = 0 if rx == 0 else 1
+            v = tx if rx == 0 else rx
+            if self.group_map.has_key(group):
+                self.group_map[group][index] += v
+
+      def update_state(self):
+          self.state = self.state ^ 1
+          self.counter += 1
+
+class igmp_exchange(unittest.TestCase):
+    
+    def igmp_verify(self, igmpState):
+        ## check if the send is received for the groups
+        for g in igmpState.groups:
+            tx = igmpState.group_map[g][0]
+            rx = igmpState.group_map[g][1]
+            assert_greater(tx, 0)
+            assert_equal(tx, rx)
+        print 'IGMP test verification success'
+
+    def igmp_send(self, igmpState, iface = 'veth2'):
+        dst_mac = '01:00:5e:00:01:01'
+        src_mac = '02:88:b4:e4:90:77'
+        src_ip = '1.2.3.4'
+        eth = Ether(dst = dst_mac, src = src_mac)
+        data = repr(time.time())
+        for g in igmpState.groups:
+            ip = IP(dst = g, src = src_ip)
+            sendp(eth/ip/data, iface=iface)
+            igmpState.update(g, tx = 1)
+
+        ##done sending. Bounce the states
+        igmpState.update_state()
+        return 0
+
+    def igmp_recv(self, igmpState, iface = 'veth0'):
+        for g in igmpState.groups:
+            igmpState.update(g, rx = 1)
+        ##done receiving. Bounce the state back to send
+        igmpState.update_state()
+        return 0
+
+    def send_igmp_join(self, igmpState, iface = 'veth0'):
+        src_list = ['1.2.3.4']
+        for g in igmpState.groups:
+            igmp = IGMP(mtype = IGMPV3_REPORT, 
+                        group = g,
+                        rtype = IGMP_EXCLUDE,
+                        src_list = src_list)
+            sendp(igmp.scapify(), iface = iface)
+
+    @deferred(timeout=10)
+    def test_igmp_sendrecv(self):
+        groups = ['224.0.1.1', '225.0.0.1']
+        def igmp_srp_task(stateObject):
+            if stateObject.state == 0:
+                result = self.igmp_send(stateObject)
+            else:
+                result = self.igmp_recv(stateObject)
+
+            if stateObject.counter < 20:
+                reactor.callLater(0, igmp_srp_task, stateObject)
+            else:
+                self.igmp_verify(stateObject)
+                stateObject.df.callback(0)
+
+        df = defer.Deferred()
+        igmpState = IGMPTestState(groups = groups, df = df)
+        self.send_igmp_join(igmpState)
+        reactor.callLater(0, igmp_srp_task, igmpState)
+        return df
+
diff --git a/src/test/utils/IGMP.py b/src/test/utils/IGMP.py
new file mode 100644
index 0000000..95ce1ec
--- /dev/null
+++ b/src/test/utils/IGMP.py
@@ -0,0 +1,148 @@
+from socket import *
+from struct import *
+from scapy.all import *
+from itertools import *
+
+IGMPV3_REPORT = 0x22
+IGMP_LEAVE = 0x17
+IGMP_EXCLUDE = 0x04
+IGMP_INCLUDE = 0x03
+IGMPV3_ALL_ROUTERS = '224.0.0.22'
+IGMPv3 = 3
+IP_SRC = '1.2.3.4'
+ETHERTYPE_IP = 0x0800
+IGMP_DST_MAC = "01:00:5e:00:01:01"
+IGMP_SRC_MAC = "5a:e1:ac:ec:4d:a1"
+
+class IGMP:
+
+    def __init__(self, mtype = None, group = '', rtype = None, src_list = []):
+        self.version = IGMPv3
+        self.mtype = mtype
+        self.group = group
+        self.src_list= src_list
+        self.rtype = rtype
+
+    def checksum(self, msg):
+        s = 0
+        for i in range(0, len(msg), 2):
+            w = ord(msg[i]) + (ord(msg[i+1]) << 8)
+            c = s + w
+            s = (c & 0xffff) + (c >> 16)
+        return ~s & 0xffff
+
+    def update_igmp_checksum(self, pkt):
+        cs = self.checksum(pkt)
+        #print 'igmp checksum: ' + str(hex(cs))
+        m = []
+        for x in pkt:        
+            m.append(ord(x))
+        higher = (cs >> 8) & 0xff
+        lower = cs & 0xff
+        m[2] = lower
+        m[3] = higher
+        m = pack("%dB" % len(m), *m)
+        return m
+
+    def update_ip_checksum(self, pkt):
+        cs = self.checksum(pkt)
+        #print 'ip hdr checksum: ' + str(hex(cs))
+        m = []
+        for x in pkt:        
+            m.append(ord(x))
+        higher = (cs >> 8) & 0xff
+        lower = cs & 0xff
+        m[10] = lower
+        m[11] = higher
+        m = pack("%dB" % len(m), *m)
+        return m
+
+    def build_ip_hdr(self, s, d):
+        ip_ihl_len = 0x46 #8 bits
+        ip_dscp = 0xc0 #8 bits
+        ip_hdr_total_len = 0x0028 #16 bits
+        ip_id = 0x0000 #16 bits
+        ip_flags = 0x4000 #16 bits
+        ip_ttl = 1 #8 bits
+        ip_protocol = 0x02 #8 bits
+        ip_cs = 0x0000 #16 bits (should filled by kernel but seems not???)
+        #ip_src #32 bits
+        #ip_dst #32 bits
+        ip_options = 0x94040000 #32 bits
+        #total len 24 bytes
+        ip_header = pack('!BBHHHBBH4s4sI', ip_ihl_len, ip_dscp, ip_hdr_total_len,
+                         ip_id, ip_flags, ip_ttl, ip_protocol, ip_cs, inet_aton(s),
+                         inet_aton(d), ip_options)
+        return ip_header
+
+    def dump_packet(self, data):
+        i = 0
+        for x in data:
+            if i == 4:
+                print ''
+                i = 0
+            i += 1
+            sys.stdout.write(' %0.2x' % ord(x))
+        print ''
+
+    def build_igmp(self, msg_type = None, group = None, record_type = None, src_list = None):
+        msg_type = self.mtype if msg_type == None else msg_type
+        group = self.group if group == None else group
+        record_type = self.rtype if record_type == None else record_type
+        src_list = self.src_list if src_list == None else src_list
+        if msg_type == IGMP_LEAVE:
+            pkt = pack('!BBH4s', msg_type, 0, 0, inet_aton(group))
+        elif msg_type == IGMPV3_REPORT:
+            pkt = pack('!BBHHHBBH', msg_type, 0x00, 0x0000, 0x0000, 0x0001, record_type,
+                       0x00, len(src_list))
+            pkt += pack('!4s', inet_aton(group))
+            for a in src_list:
+                pkt += pack('!4s', inet_aton(a))
+        else:
+            print 'unsupported report type: ' + str(msg_type)
+            return None
+        return pkt
+
+    def build_join_msg(self, group = None, record_type = None, src_list = None):
+        return self.build_igmp(msg_type = IGMPV3_REPORT, 
+                               group = group, 
+                               record_type = record_type, 
+                               src_list = src_list)
+
+    def build_leave_msg(self, group = None):
+        return self.build_igmp(msg_type = IGMPV3_REPORT, 
+                               group = group, 
+                               record_type = IGMP_INCLUDE, 
+                               src_list = [])
+
+    def build_ip_igmp(self, 
+                      src = IP_SRC,
+                      msg_type = None, 
+                      group = None, 
+                      record_type = None, 
+                      src_list = None):
+
+        igmp = self.build_igmp(msg_type = msg_type,
+                               group = group,
+                               record_type = record_type,
+                               src_list = src_list)
+        igmp = self.update_igmp_checksum(igmp)
+        ip_hdr = self.build_ip_hdr(src, IGMPV3_ALL_ROUTERS)
+        p = ip_hdr + igmp
+        p = self.update_ip_checksum(p)
+        return p
+
+    def scapify(self, 
+                src = IP_SRC, 
+                msg_type = None,
+                group = None,
+                record_type = None,
+                src_list = None):
+
+        ip_igmp = self.build_ip_igmp(src = src,
+                                     msg_type = msg_type,
+                                     group = group,
+                                     record_type = record_type,
+                                     src_list = src_list)
+        eth = Ether(dst = IGMP_DST_MAC, src = IGMP_SRC_MAC, type = ETHERTYPE_IP)
+        return eth/ip_igmp