diff --git a/src/python/oftest/controller.py b/src/python/oftest/controller.py
index 99a6ffb..9c0839e 100644
--- a/src/python/oftest/controller.py
+++ b/src/python/oftest/controller.py
@@ -41,7 +41,7 @@
 import logging
 
 ##@todo Find a better home for these identifiers (controller)
-RCV_SIZE_DEFAULT = 4096
+RCV_SIZE_DEFAULT = 32768
 LISTEN_QUEUE_SIZE = 1
 
 class Controller(Thread):
@@ -143,93 +143,104 @@
 
         an echo request in case keep_alive is true, followed by
         registered message handlers.
-        @param pkt The raw packet (string)
+        @param pkt The raw packet (string) which may contain multiple OF msgs
         """
-        # Parse the header to get type
-        hdr = of_header_parse(pkt)
-        if not hdr:
-            self.logger.info("Could not parse header, pkt len", len(pkt))
-            self.parse_errors += 1
-            return
-
-        self.logger.debug("Msg in: len %d. type %s. hdr.len %d" %
-            (len(pkt), ofp_type_map[hdr.type], hdr.length))
-        if hdr.version != OFP_VERSION:
-            self.logger.error("Version %d does not match OFTest version %d"
-                              % (hdr.version, OFP_VERSION))
-            print "Version %d does not match OFTest version %d" % \
-                (hdr.version, OFP_VERSION)
-            self.active = False
-            self.switch_socket = None
-            self.kill()
-            
-        msg = of_message_parse(pkt)
-        if not msg:
-            self.parse_errors += 1
-            self.logger.warn("Could not parse message")
-            return
-
-        self.sync.acquire()
-
-        # Check if transaction is waiting
-        self.xid_cv.acquire()
-        if self.xid:
-            if hdr.xid == self.xid:
-                self.logger.debug("Matched expected XID " + str(hdr.xid))
-                self.xid_response = (msg, pkt)
-                self.xid = None
-                self.xid_cv.notify()
-                self.xid_cv.release()
-                self.sync.release()
+        # Process each of the OF msgs inside the pkt
+        offset = 0
+        while offset < len(pkt):
+            # Parse the header to get type
+            hdr = of_header_parse(pkt[offset:])
+            if not hdr:
+                self.logger.info("Could not parse header, pkt len", len(pkt))
+                self.parse_errors += 1
                 return
-        self.xid_cv.release()
-
-        # PREVENT QUEUE ACCESS AT THIS POINT?
-        # Check if anyone waiting on this type of message
-        self.expect_msg_cv.acquire()
-        if self.expect_msg:
-            if not self.expect_msg_type or (self.expect_msg_type == hdr.type):
-                self.logger.debug("Matched expected msg type "
-                                   + ofp_type_map[hdr.type])
-                self.expect_msg_response = (msg, pkt)
-                self.expect_msg = False
-                self.expect_msg_cv.notify()
-                self.expect_msg_cv.release()
-                self.sync.release()
-                return
-        self.expect_msg_cv.release()
-
-        # Check if keep alive is set; if so, respond to echo requests
-        if self.keep_alive:
-            if hdr.type == OFPT_ECHO_REQUEST:
-                self.sync.release()
-                self.logger.debug("Responding to echo request")
-                rep = echo_reply()
-                rep.header.xid = hdr.xid
-                # Ignoring additional data
-                self.message_send(rep.pack(), zero_xid=True)
+            if hdr.length == 0:
+                self.logger.info("Header length is zero")
+                self.parse_errors += 1
                 return
 
-        # Now check for message handlers; preference is given to
-        # handlers for a specific packet
-        handled = False
-        if hdr.type in self.handlers.keys():
-            handled = self.handlers[hdr.type](self, msg, pkt)
-        if not handled and ("all" in self.handlers.keys()):
-            handled = self.handlers["all"](self, msg, pkt)
+            # Extract the raw message bytes
+            rawmsg = pkt[offset : offset + hdr.length]
 
-        if not handled: # Not handled, enqueue
-            self.logger.debug("Enqueuing pkt type " + ofp_type_map[hdr.type])
-            if len(self.packets) >= self.max_pkts:
-                self.packets.pop(0)
-                self.packets_expired += 1
-            self.packets.append((msg, pkt))
-            self.packets_total += 1
-        else:
-            self.packets_handled += 1
-            self.logger.debug("Message handled by callback")
+            self.logger.debug("Msg in: len %d. offset %d. type %s. hdr.len %d" %
+                (len(pkt), offset, ofp_type_map[hdr.type], hdr.length))
+            if hdr.version != OFP_VERSION:
+                self.logger.error("Version %d does not match OFTest version %d"
+                                  % (hdr.version, OFP_VERSION))
+                print "Version %d does not match OFTest version %d" % \
+                    (hdr.version, OFP_VERSION)
+                self.active = False
+                self.switch_socket = None
+                self.kill()
 
-        self.sync.release()
+            msg = of_message_parse(rawmsg)
+            if not msg:
+                self.parse_errors += 1
+                self.logger.warn("Could not parse message")
+                continue
+
+            self.sync.acquire()
+
+            # Check if transaction is waiting
+            self.xid_cv.acquire()
+            if self.xid:
+                if hdr.xid == self.xid:
+                    self.logger.debug("Matched expected XID " + str(hdr.xid))
+                    self.xid_response = (msg, rawmsg)
+                    self.xid = None
+                    self.xid_cv.notify()
+                    self.xid_cv.release()
+                    self.sync.release()
+                    continue
+            self.xid_cv.release()
+
+            # PREVENT QUEUE ACCESS AT THIS POINT?
+            # Check if anyone waiting on this type of message
+            self.expect_msg_cv.acquire()
+            if self.expect_msg:
+                if not self.expect_msg_type or (self.expect_msg_type == hdr.type):
+                    self.logger.debug("Matched expected msg type "
+                                       + ofp_type_map[hdr.type])
+                    self.expect_msg_response = (msg, rawmsg)
+                    self.expect_msg = False
+                    self.expect_msg_cv.notify()
+                    self.expect_msg_cv.release()
+                    self.sync.release()
+                    continue
+            self.expect_msg_cv.release()
+
+            # Check if keep alive is set; if so, respond to echo requests
+            if self.keep_alive:
+                if hdr.type == OFPT_ECHO_REQUEST:
+                    self.sync.release()
+                    self.logger.debug("Responding to echo request")
+                    rep = echo_reply()
+                    rep.header.xid = hdr.xid
+                    # Ignoring additional data
+                    self.message_send(rep.pack(), zero_xid=True)
+                    continue
+
+            # Now check for message handlers; preference is given to
+            # handlers for a specific packet
+            handled = False
+            if hdr.type in self.handlers.keys():
+                handled = self.handlers[hdr.type](self, msg, rawmsg)
+            if not handled and ("all" in self.handlers.keys()):
+                handled = self.handlers["all"](self, msg, rawmsg)
+
+            if not handled: # Not handled, enqueue
+                self.logger.debug("Enqueuing pkt type " + ofp_type_map[hdr.type])
+                if len(self.packets) >= self.max_pkts:
+                    self.packets.pop(0)
+                    self.packets_expired += 1
+                self.packets.append((msg, rawmsg))
+                self.packets_total += 1
+            else:
+                self.packets_handled += 1
+                self.logger.debug("Message handled by callback")
+
+            self.sync.release()
+            offset += hdr.length
 
     def _socket_ready_handle(self, s):
         """