diff --git a/README.rst b/README.rst
index 6b8e5d6..c79afc6 100644
--- a/README.rst
+++ b/README.rst
@@ -7,9 +7,9 @@ Installation
 ------------
 
 The tool consists of a single server running on master node and set of dynamically
- provisioned agents. In order to run the server needs to know OpenStack parameters
- (credentials, auth_url), they can be set via environment (e.g. by sourcing openrc file)
- or via parameters.
+provisioned agents. In order to run the server needs to know OpenStack parameters
+(credentials, auth_url), they can be set via environment (e.g. by sourcing openrc file)
+or via parameters.
 
 To install:
  1. ``git clone git://git.openstack.org/stackforge/shaker``
diff --git a/scenarios/networking/same_net.hot b/scenarios/networking/l2.hot
similarity index 100%
rename from scenarios/networking/same_net.hot
rename to scenarios/networking/l2.hot
diff --git a/scenarios/networking/same_net.yaml b/scenarios/networking/l2.yaml
similarity index 94%
rename from scenarios/networking/same_net.yaml
rename to scenarios/networking/l2.yaml
index 72183bf..c16f069 100644
--- a/scenarios/networking/same_net.yaml
+++ b/scenarios/networking/l2.yaml
@@ -12,11 +12,12 @@ execution:
     title: Iperf TCP test
     class: iperf_graph
     time: 60
+    mss: 1300
   -
     title: Iperf UDP 5 threads
     class: iperf
     udp: 1
-    mss: 1406
+    mss: 1300
     threads: 5
   -
     title: Netperf TCP_STREAM
diff --git a/scenarios/networking/two_nets.hot b/scenarios/networking/l3_east_west.hot
similarity index 96%
rename from scenarios/networking/two_nets.hot
rename to scenarios/networking/l3_east_west.hot
index 16b2d61..cc7d264 100644
--- a/scenarios/networking/two_nets.hot
+++ b/scenarios/networking/l3_east_west.hot
@@ -79,6 +79,10 @@ resources:
         port_range_min: 1,
         port_range_max: 65535},
         {remote_ip_prefix: 0.0.0.0/0,
+        protocol: udp,
+        port_range_min: 1,
+        port_range_max: 65535},
+        {remote_ip_prefix: 0.0.0.0/0,
         protocol: icmp}]
 
 {% for group in groups %}
@@ -124,6 +128,7 @@ resources:
           template: |
             #!/bin/sh
             screen -dmS shaker-agent shaker-agent --server-endpoint=$SERVER_ENDPOINT --debug
+            screen -dmS sudo nice -n -20 iperf -s --nodelay
           params:
             "$SERVER_ENDPOINT": { get_param: server_endpoint }
 
diff --git a/scenarios/networking/l3_east_west.yaml b/scenarios/networking/l3_east_west.yaml
new file mode 100644
index 0000000..815db9b
--- /dev/null
+++ b/scenarios/networking/l3_east_west.yaml
@@ -0,0 +1,26 @@
+description:
+  This scenario launches pairs of in the different networks connected to one
+  router (L3 east-west)
+
+deployment:
+  template: scenarios/networking/l3_east_west.hot
+  vm_accommodation: [pair, single_room]
+
+execution:
+  tests:
+  -
+    title: Iperf TCP
+    class: iperf_graph
+    time: 60
+    mss: 1300
+  -
+    title: Iperf UDP 5 threads
+    class: iperf
+    udp: 1
+    mss: 1300
+    threads: 5
+  -
+    title: Netperf TCP
+    class: netperf
+    method: TCP_STREAM
+    time: 60
diff --git a/scenarios/networking/two_nets.yaml b/scenarios/networking/two_nets.yaml
deleted file mode 100644
index f1afc6b..0000000
--- a/scenarios/networking/two_nets.yaml
+++ /dev/null
@@ -1,24 +0,0 @@
-description:
-  This scenario launches pairs of VMs on the same compute node. VMs are in
-  the different networks connected in one router
-
-deployment:
-  template: scenarios/networking/two_nets.hot
-  vm_accommodation: [pair, double_room]
-
-execution:
-  size: 'quadratic_progression'
-  tests:
-  -
-    title: iperf TCP test
-    class: iperf
-    time: 60
-  -
-    class: iperf
-    udp: 1
-    mss: 1406
-    threads: 5
-  -
-    class: netperf
-    method: TCP_STREAM
-    time: 60
diff --git a/scenarios/networking/two_routers.hot b/scenarios/networking/two_routers.hot
index 4f1eee8..28a7c53 100644
--- a/scenarios/networking/two_routers.hot
+++ b/scenarios/networking/two_routers.hot
@@ -85,6 +85,10 @@ resources:
         port_range_min: 1,
         port_range_max: 65535},
         {remote_ip_prefix: 0.0.0.0/0,
+        protocol: udp,
+        port_range_min: 1,
+        port_range_max: 65535},
+        {remote_ip_prefix: 0.0.0.0/0,
         protocol: icmp}]
 
 {% for group in groups %}
@@ -130,6 +134,7 @@ resources:
           template: |
             #!/bin/sh
             screen -dmS shaker-agent shaker-agent --server-endpoint=$SERVER_ENDPOINT --debug
+            screen -dmS sudo nice -n -20 iperf -s --nodelay
           params:
             "$SERVER_ENDPOINT": { get_param: server_endpoint }
 
diff --git a/scenarios/networking/two_routers.yaml b/scenarios/networking/two_routers.yaml
index ec297b9..247d49b 100644
--- a/scenarios/networking/two_routers.yaml
+++ b/scenarios/networking/two_routers.yaml
@@ -11,15 +11,18 @@ execution:
   size: 'quadratic_progression'
   tests:
   -
-    title: iperf TCP test
-    class: iperf
+    title: Iperf TCP
+    class: iperf_graph
     time: 60
+    mss: 1300
   -
+    title: Iperf UDP
     class: iperf
     udp: 1
     mss: 1406
     threads: 5
   -
+    title: Netperf TCP
     class: netperf
     method: TCP_STREAM
     time: 60
diff --git a/shaker/engine/executors.py b/shaker/engine/executors.py
index 25aa1c9..1ab6b86 100644
--- a/shaker/engine/executors.py
+++ b/shaker/engine/executors.py
@@ -81,6 +81,10 @@ class IperfExecutor(BaseExecutor):
                      interval=interval and '--interval %s' % interval or ''))
 
 
+def _calc_stats(array):
+    return dict(max=max(array), min=min(array), avg=sum(array) / len(array))
+
+
 class IperfGraphExecutor(IperfExecutor):
     def get_command(self):
         self.test_definition['css'] = True
@@ -91,32 +95,30 @@ class IperfGraphExecutor(IperfExecutor):
         result = super(IperfGraphExecutor, self).process_reply(message)
 
         samples = collections.defaultdict(list)
+        streams = {}
+        stream_count = 0
 
         for row in csv.reader(result['stdout'].split('\n')):
             if row:
                 thread = row[5]
-                samples[thread].append(dict(
-                    time=float(row[6].split('-')[1]),
-                    transfer=int(row[7]),
-                    bandwidth=int(row[8]),
-                ))
+                if thread not in streams:
+                    streams[thread] = stream_count
+                    stream_count += 1
+
+                samples['time'].append(float(row[6].split('-')[1]))
+                samples['bandwidth_%s' % streams[thread]].append(
+                    float(row[8]) / 1024 / 1024)
+
+        # the last line is summary, remove its items
+        for arr in samples.values():
+            arr.pop()
 
         result['samples'] = samples
 
-        # calc max, min, avg per thread
-        bandwidth_max = collections.defaultdict(float)
-        bandwidth_min = collections.defaultdict(float)
-        bandwidth_avg = collections.defaultdict(float)
-
-        for thread, data in samples.items():
-            arr = [s['bandwidth'] for s in samples[thread]]
-            bandwidth_max[thread] = max(arr)
-            bandwidth_min[thread] = min(arr)
-            bandwidth_avg[thread] = sum(arr) / len(arr)
-
-        result['bandwidth_max'] = bandwidth_max
-        result['bandwidth_min'] = bandwidth_min
-        result['bandwidth_avg'] = bandwidth_avg
+        # todo calculate stats correctly for multiple threads
+        for stream in streams.values():
+            result['stats'] = _calc_stats(
+                samples['bandwidth_%s' % stream])
 
         return result
 
diff --git a/shaker/engine/report.template b/shaker/engine/report.template
index 553341d..e123cbb 100644
--- a/shaker/engine/report.template
+++ b/shaker/engine/report.template
@@ -18,8 +18,8 @@
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"></script>
 
-    <script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/c3/0.4.9/c3.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/c3/0.4.9/c3.min.js"></script>
 
     <style type="text/css">
         body {
@@ -368,8 +368,15 @@
                     <h4>Agents:</h4>
                     <ul>
                         {% for agent in report.agents %}
-                            <li>ID: {{ agent.id }}, IP: {{ agent.ip }},
-                                mode: {{ agent.mode }}</li>
+                            {% if agent.mode == 'master' %}
+                            <li>Master <i>{{ agent.id }}</i>, IP: <i>{{ agent.ip }}</i>
+                                {% if agent.slave %}
+                                    <ul>
+                                        <li>Slave <i>{{ agent.slave.id }}</i>, IP: <i>{{ agent.slave.ip }}</i>
+                                    </ul>
+                                {% endif %}
+                            </li>
+                            {% endif %}
                         {% endfor %}
                     </ul>
                 </div>
@@ -389,29 +396,36 @@
                                     ({{ result_per_agent.agent.ip }})</h4>
 
                                 {% if result_per_agent.samples %}
-{#                                    <div>{{ result_per_agent.samples }}</div>#}
+                                    <h5>Traffic stats</h5>
+
+                                    <dl class="dl-horizontal">
+                                      <dt>Max bandwidth</dt><dd>{{ result_per_agent.stats.max|round(3) }} Mbits/s</dd>
+                                      <dt>Min bandwidth</dt><dd>{{ result_per_agent.stats.min|round(3) }} Mbits/s</dd>
+                                      <dt>Average bandwidth</dt><dd>{{ result_per_agent.stats.avg|round(3) }} Mbits/s</dd>
+                                    </dl>
+
                                     <div id="chart-{{ result_per_agent.uuid }}"></div>
                                     <script type="application/javascript">
-                                        var chart = c3.generate({
+                                        $(document).ready(function () {
+                                        c3.generate({
                                             bindto: '#chart-{{ result_per_agent.uuid }}',
                                             data: {
-                                                x: 'x',
+                                                x: 'time',
                                                 columns: [
-{#                                                    {% set first_row = first(result_per_agent.samples) %}#}
-{#                                                    ['x', {{ first_row|map(attribute='time')|join(', ') }}],#}
-
-                                                    {% for thread, array in result_per_agent.samples.items() %}
-                                                        ['x', {{ array|map(attribute='time')|join(', ') }}],
-                                                        ['thread{{ thread }}', {{ array|map(attribute='bandwidth')|join(', ') }}]
+                                                    {% set first_item = True %}
+                                                    {% for stream, array in result_per_agent.samples.items() %}
+                                                        {% if not first_item %},{% endif %} {% set first_item = False %}
+                                                        ['{{ stream }}', {{ array|join(', ') }}]
                                                     {% endfor %}
                                                 ],
-                                                types: { thread3: 'area' }
+                                                types: { bandwidth_0: 'area' }
                                             },
                                             axis: {
                                                 x: { label: 'time' },
-                                                y: { label: 'Bandwidth, bps' }
+                                                y: { label: 'Bandwidth, Mbits/s', min: 0 }
                                             }
                                         });
+                                        });
                                     </script>
                                 {% endif %}
 
diff --git a/shaker/engine/server.py b/shaker/engine/server.py
index 9a57e0f..44e0260 100644
--- a/shaker/engine/server.py
+++ b/shaker/engine/server.py
@@ -178,13 +178,13 @@ def execute(execution, agents):
             test_case_result = quorum.run_test_case(executors)
             values = test_case_result.values()
             for v in values:
-                v['uuid'] = uuid.uuid4()
+                v['uuid'] = str(uuid.uuid4())
             results_per_iteration.append({
                 'agents': selected_agents,
                 'results_per_agent': values,
             })
 
-        test['uuid'] = uuid.uuid4()
+        test['uuid'] = str(uuid.uuid4())
         result.append({
             'results_per_iteration': results_per_iteration,
             'definition': test,
diff --git a/tests/test_iperf_graph_executor.py b/tests/test_iperf_graph_executor.py
index fdd8581..e7c80ba 100644
--- a/tests/test_iperf_graph_executor.py
+++ b/tests/test_iperf_graph_executor.py
@@ -36,25 +36,23 @@ class TestIperfGraphExecutor(testtools.TestCase):
         executor = executors.IperfGraphExecutor({}, AGENT)
         message = {
             'stdout': """
-20150224134955,172.1.7.77,47351,172.1.76.77,5001,3,0.0-1.0,500686848,4005494784
-20150224134956,172.1.7.77,47351,172.1.76.77,5001,3,1.0-2.0,516055040,4128440320
-20150224134957,172.1.7.77,47351,172.1.76.77,5001,3,2.0-3.0,508436480,4067491840
+20150224134955,172.1.7.77,47351,172.1.76.77,5001,3,0.0-1.0,50068684,399507456
+20150224134956,172.1.7.77,47351,172.1.76.77,5001,3,1.0-2.0,51605504,412090368
+20150224134957,172.1.7.77,47351,172.1.76.77,5001,3,2.0-3.0,50843648,405798912
+20150224134957,172.1.7.77,47351,172.1.76.77,5001,3,0.0-3.0,150843648,400000002
 """
         }
         expected = {
             'samples': {
-                '3': [
-                    dict(time=1.0, transfer=500686848, bandwidth=4005494784),
-                    dict(time=2.0, transfer=516055040, bandwidth=4128440320),
-                    dict(time=3.0, transfer=508436480, bandwidth=4067491840),
-                ]
+                'time': [1.0, 2.0, 3.0],
+                'bandwidth_0': [381.0, 393.0, 387.0],
+            },
+            'stats': {
+                'max': 393.0,
+                'min': 381.0,
+                'avg': (381.0 + 393.0 + 387.0) / 3
             },
-            'bandwidth_max': {'3': 4128440320},
-            'bandwidth_min': {'3': 4005494784},
-            'bandwidth_avg': {'3': (4005494784 + 4128440320 + 4067491840) / 3},
         }
         reply = executor.process_reply(message)
         self.assertEqual(expected['samples'], reply['samples'])
-        self.assertEqual(expected['bandwidth_max'], reply['bandwidth_max'])
-        self.assertEqual(expected['bandwidth_min'], reply['bandwidth_min'])
-        self.assertEqual(expected['bandwidth_avg'], reply['bandwidth_avg'])
+        self.assertEqual(expected['stats'], reply['stats'])