1 # Copyright (c) 2021 Cisco and/or its affiliates.
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24 """Stream profile for T-rex traffic generator.
27 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
29 - Packet: ETH / IPv6 /
30 - Source IP address range: 2001:1::2 - 2001:1::FE
31 - Destination IP address range: 2001:2::2
33 - Packet: ETH / DOT1Q / IPv6 /
34 - Source IP address range: 2001:2::2 - 2001:2::FE
35 - Destination IP address range: 2001:1::2
38 from trex.stl.api import *
39 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
42 class TrafficStreams(TrafficStreamsBaseClass):
46 """Initialization and setting of streams' parameters."""
48 super(TrafficStreamsBaseClass, self).__init__()
53 # IPs used in packet headers.
54 self.p1_src_start_ip = u"2001:1::2"
55 self.p1_src_end_ip = u"2001:1::FE"
56 self.p1_dst_start_ip = u"2001:2::2"
58 self.p2_src_start_ip = u"2001:2::2"
59 self.p2_src_end_ip = u"2001:2::FE"
60 self.p2_dst_start_ip = u"2001:1::2"
62 def define_packets(self):
63 """Defines the packets to be sent from the traffic generator.
65 Packet definition: | ETH | IPv6 |
67 :returns: Packets to be sent from the traffic generator.
71 base_p1, count_p1 = self._get_start_end_ipv6(
75 base_p2, count_p2 = self._get_start_end_ipv6(
84 src=self.p1_src_start_ip,
85 dst=self.p1_dst_start_ip
95 src=self.p2_src_start_ip,
96 dst=self.p2_dst_start_ip
106 max_value=base_p1 + count_p1,
111 pkt_offset=u"IPv6.src",
122 max_value=base_p2 + count_p2,
127 pkt_offset=u"IPv6.src",
133 return base_pkt_a, base_pkt_b, vm1, vm2
137 """Register this traffic profile to T-rex.
139 Do not change this function.
141 :returns: Traffic streams.
144 return TrafficStreams()