NAT44 EI tests

Signed-off-by: Maros Mullner <maros.mullner@pantheon.tech>
Change-Id: Ib5f58f60a1409ed139e2846793bf52fdc02a6571

10 files changed, 1357 insertions, 7 deletions

diff --git a/GPL/tools/trex/trex_stateless_profile.py b/GPL/tools/trex/trex_stateless_profile.py
index a0de5c0cd3..cda68d01d8 100644
--- a/GPL/tools/trex/trex_stateless_profile.py
+++ b/GPL/tools/trex/trex_stateless_profile.py
@@ -116,7 +116,8 @@ def simple_burst(
     try:
         print(f"### Profile file:\n{profile_file}")
         profile = STLProfile.load(
-            profile_file, direction=0, port_id=0, framesize=framesize
+            profile_file, direction=0, port_id=0, framesize=framesize,
+            rate=rate
         )
         streams = profile.get_streams()
     except STLError as err:
@@ -135,9 +136,13 @@ def simple_burst(
         if u"macsrc" in profile_file:
             client.set_port_attr(ports=[port_0, port_1], promiscuous=True)
         if isinstance(framesize, int):
-            client.add_streams(streams[0], ports=[port_0])
+            last_stream_a = int((len(streams) - 2 ) / 2)
+            client.add_streams(streams[0:last_stream_a], ports=[port_0])
             if traffic_directions > 1:
-                client.add_streams(streams[1], ports=[port_1])
+                last_stream_b = (last_stream_a * 2)
+                client.add_streams(
+                    streams[last_stream_a:last_stream_b], ports=[port_1])
+            print(last_stream_a, last_stream_b, streams)
         elif isinstance(framesize, str):
             client.add_streams(streams[0:3], ports=[port_0])
             if traffic_directions > 1:
@@ -145,9 +150,10 @@ def simple_burst(
         if latency:
             try:
                 if isinstance(framesize, int):
-                    client.add_streams(streams[2], ports=[port_0])
+                    client.add_streams(streams[last_stream_b], ports=[port_0])
                     if traffic_directions > 1:
-                        client.add_streams(streams[3], ports=[port_1])
+                        client.add_streams(
+                            streams[last_stream_b + 1], ports=[port_1])
                 elif isinstance(framesize, str):
                     latency = False
             except STLError:
@@ -196,7 +202,7 @@ def simple_burst(
         lost_b = 0
 
         # Choose rate and start traffic:
-        client.start(ports=ports, mult=rate, duration=duration)
+        client.start(ports=ports, mult=rate, duration=duration, force=force)
 
         if async_start:
             # For async stop, we need to export the current snapshot.
diff --git a/GPL/traffic_profiles/trex/profile_trex_stateless_base_class.py b/GPL/traffic_profiles/trex/profile_trex_stateless_base_class.py
index a3736796eb..32ffe9efd6 100644
--- a/GPL/traffic_profiles/trex/profile_trex_stateless_base_class.py
+++ b/GPL/traffic_profiles/trex/profile_trex_stateless_base_class.py
@@ -119,7 +119,6 @@ class TrafficStreamsBaseClass:
 
         # Frame size is defined as an integer, e.g. 64, 1518:
         if isinstance(self.framesize, int):
-
             # Create a base packet and pad it to size
             payload_len = max(0, self.framesize - len(base_pkt_a) - 4)  # No FCS
 
@@ -213,5 +212,6 @@ class TrafficStreamsBaseClass:
         :rtype: list
         """
         self.framesize = kwargs[u"framesize"]
+        self.rate = kwargs[u"rate"]
 
         return self.create_streams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1024u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1024u63p.py
new file mode 100644
index 0000000000..7799f1650e
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1024u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.3.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.3.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.0"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1048576u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1048576u63p.py
new file mode 100644
index 0000000000..bae954b0f0
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1048576u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      172.16.0.0 - 172.31.255.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.71.255
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"172.16.0.0"
+        self.p1_src_end_ip = u"172.31.255.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.71.255"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-16384u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-16384u63p.py
new file mode 100644
index 0000000000..b87234ca95
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-16384u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.63.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.68.15
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.63.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.15"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1u63p.py
new file mode 100644
index 0000000000..6b7c67a80f
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 16017
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.0.0"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.0"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 16017
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-238u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-238u63p.py
new file mode 100644
index 0000000000..e8ae5e992d
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-238u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.0.237
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 16017
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.0.237"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.0"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 16017
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-262144u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-262144u63p.py
new file mode 100644
index 0000000000..5d5900d561
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-262144u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      172.16.0.0 - 172.19.255.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.68.255
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"172.16.0.0"
+        self.p1_src_end_ip = u"172.19.255.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.255"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-4096u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-4096u63p.py
new file mode 100644
index 0000000000..211c3dd23e
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-4096u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.15.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.68.3
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.15.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.3"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-65536u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-65536u63p.py
new file mode 100644
index 0000000000..6f9f8c9939
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-65536u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.255.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.68.63
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.255.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.63"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()