{"id":1406,"date":"2021-12-29T22:15:04","date_gmt":"2021-12-29T13:15:04","guid":{"rendered":"http:\/\/192.168.20.1\/?p=1406"},"modified":"2021-12-30T12:36:46","modified_gmt":"2021-12-30T03:36:46","slug":"trex-stateless-mode","status":"publish","type":"post","link":"https:\/\/rlab.cavtime.net\/?p=1406","title":{"rendered":"TRex Stateless Mode"},"content":{"rendered":"<h2>Overview<\/h2>\n<p>TRex Stateless Mode \u306e\u6982\u8981\u3092\u8ff0\u3079\u308b\u3002<\/p>\n<h2>Reference<\/h2>\n<ul>\n<li><a href=\"https:\/\/trex-tgn.cisco.com\/\" target=\"_blank\" rel=\"noopener\">TRex<\/a><\/li>\n<li><a href=\"https:\/\/trex-tgn.cisco.com\/trex\/doc\/trex_stateless.html\" target=\"_blank\" rel=\"noopener\">TRex Stateless Mode<\/a><\/li>\n<li><a href=\"https:\/\/trex-tgn.cisco.com\/trex\/doc\/trex_manual.html#_download_and_installation\" target=\"_blank\" rel=\"noopener\">TRex Installation Guide<\/a><\/li>\n<li><a href=\"https:\/\/rlab.cavtime.net\/?p=1263&amp;cat_id=108\">Install TRex Traffic Generator on Ubuntu 20.04<\/a><\/li>\n<li><a href=\"https:\/\/www.python.org\/\" target=\"_blank\" rel=\"noopener\">Python<\/a><\/li>\n<\/ul>\n<h2>Summary<\/h2>\n<p>TRex \u3067\u5b9f\u73fe\u3067\u304d\u308b\u3053\u3068\u306e\u6982\u8981\u306f\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b<\/p>\n<blockquote>\n<ul>\n<li>Large scale &#8211; Supports about 10-30 million packets per second (Mpps) per core, scalable with the number of cores<\/li>\n<li>Each profile can support multiple streams, scalable to 10K parallel streams<\/li>\n<li>Each stream supports:\n<ul>\n<li>Packet template &#8211; ability to build any packet (including malformed) using Scapy (example: MPLS\/IPv4\/Ipv6\/GRE\/VXLAN\/NSH)<\/li>\n<li>Ability to change any field inside the packet<\/li>\n<li>Ability to change the packet size<\/li>\n<li>Mode &#8211; Continuous\/Burst\/Multi-burst<\/li>\n<li>Rate specification in pps, line rate percentage or L1\/L2 bandwidth<\/li>\n<li>Action &#8211; stream can trigger a stream<\/li>\n<\/ul>\n<\/li>\n<li>Interactive support &#8211; Fast Console, GUI<\/li>\n<li>Statistics per interface or per stream supported in hardware\/software<\/li>\n<li>Latency and Jitter per stream<\/li>\n<li>Blazingly fast Python automation API<\/li>\n<li>Capture\/Monitor traffic with BPF filters &#8211; no need for Wireshark<\/li>\n<li>Capture network traffic by redirecting the traffic to Wireshark<\/li>\n<li>PCAP file import\/export with huge pcap file transmission support (e.g. 1TB pcap file) for DPI<\/li>\n<li>Multi-user support<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u3068\u3042\u308b\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001TRex \u306f Software \u3067\u3042\u308a TRex \u304c\u52d5\u4f5c\u3059\u308b Hardware \u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u90e8\u5206\u3082\u3042\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/p>\n<p>\u300cSupports about 10-30 million packets per second (Mpps) per core\u300d\u3068\u3042\u308b\u304c\u3001\u3053\u308c\u306f\u00a0 Hardware \u306b\u3088\u3063\u3066 Performance \u304c\u7570\u306a\u308b\u305f\u3081 TRex \u3092\u5229\u7528\u3059\u308b Hardware \u3067 BacktoBack \u3067 Performance \u3092\u78ba\u8a8d\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<h2>Architecture<\/h2>\n<p>Stateless Mode \u306e\u30d9\u30fc\u30b9\u3068\u306a\u308b Architecture \u306f\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u300c<a href=\"https:\/\/trex-tgn.cisco.com\/trex\/doc\/trex_stateless.html#_rpc_architecture\" target=\"_blank\" rel=\"noopener\">2.3. RPC Architecture<\/a>\u300d\u3084\u300c<a href=\"https:\/\/trex-tgn.cisco.com\/trex\/doc\/trex_stateless.html#_trex_objects\" target=\"_blank\" rel=\"noopener\">2.4. TRex Objects<\/a>\u300d\u306b\u8a18\u8f09\u304c\u3042\u308b\u3002<\/p>\n<p>trex client \/ Server \/ APIs \u306e\u95a2\u4fc2\u306f<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"img-responsive right-block\" src=\"https:\/\/rlab.cavtime.net\/wp-content\/uploads\/2021\/12\/CiscoTRex-StatelessMode-847x494.png\" alt=\"\" width=\"847\" height=\"494\" \/><\/p>\n<p>\u3068\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n<h2>Sample Traffic Profile<\/h2>\n<p>TRex \u306b\u306f Sample Traffic Profile \u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<pre># ls \/opt\/trex\/v2.93\/stl -l\r\ntotal 352\r\n-rw-r--r-- 1 root root  5264 Nov 23 15:39 bench_azure.py\r\n-rw-r--r-- 1 root root  7592 Nov 23 15:39 bench.py\r\n-rw-r--r-- 1 root root  2425 Nov 23 15:39 burst_3st_1000pkt.py\r\n-rw-r--r-- 1 root root  2354 Nov 23 15:39 burst_3st_600pkt.py\r\n-rw-r--r-- 1 root root  2501 Nov 23 15:39 burst_3st_loop_x_times.py\r\n-rw-r--r-- 1 root root  1239 Nov 23 15:39 burst_simple.py\r\n-rw-r--r-- 1 root root  1395 Nov 23 15:39 burst_split.py\r\n-rw-r--r-- 1 root root  2558 Nov 23 15:39 counters.py\r\n-rw-r--r-- 1 root root   742 Nov 23 15:39 d1.py\r\n-rw-r--r-- 1 root root  1582 Nov 23 15:39 dependent_field_engine_vars.py\r\n-rw-r--r-- 1 root root  2293 Nov 23 15:39 dependent_vars_all.py\r\n-rw-r--r-- 1 root root   788 Nov 23 15:39 d.py\r\n-rw-r--r-- 1 root root  1985 Nov 23 15:39 flow_stats_latency.py\r\n-rw-r--r-- 1 root root  2936 Nov 23 15:39 flow_stats.py\r\n-rw-r--r-- 1 root root  2443 Nov 23 15:39 gui_example.yaml\r\ndrwxr-xr-x 2 root root  4096 Nov 23 15:39 hlt\r\n-rw-r--r-- 1 root root  2088 Nov 23 15:39 icmpv6_fix_cs.py\r\n-rw-r--r-- 1 root root  2362 Nov 23 15:39 imix_azure.py\r\n-rwxr-xr-x 1 root root  2433 Nov 23 15:39 imix_ipv6.py\r\n-rw-r--r-- 1 root root  2246 Nov 23 15:39 imix.py\r\n-rw-r--r-- 1 root root  3059 Nov 23 15:39 imix_wlc.py\r\n-rw-r--r-- 1 root root  9270 Nov 23 15:39 ipv4_udp_9k.pcap\r\n-rw-r--r-- 1 root root  1920 Nov 23 15:39 multi_burst_2st_1000pkt.py\r\n-rw-r--r-- 1 root root  1190 Nov 23 15:39 pcap.py\r\n-rw-r--r-- 1 root root  3147 Nov 23 15:39 pcap_with_vm.py\r\n-rw-r--r-- 1 root root   496 Nov 23 15:39 sample.pcap\r\n-rw-r--r-- 1 root root  1931 Nov 23 15:39 simple_3st.py\r\n-rw-r--r-- 1 root root  1819 Nov 23 15:39 split_var_to_cores.py\r\n-rw-r--r-- 1 root root 12096 Nov 23 15:39 syn_attack_fix_cs_hw.py\r\n-rw-r--r-- 1 root root  1568 Nov 23 15:39 syn_attack.py\r\n-rw-r--r-- 1 root root   100 Nov 23 15:39 syn_packet.pcap\r\ndrwxr-xr-x 2 root root  4096 Nov 23 15:39 tests\r\n-rw-r--r-- 1 root root  1554 Nov 23 15:39 udp_1518B_no_crc.pcap\r\n-rw-r--r-- 1 root root  1582 Nov 23 15:39 udp_1pkt_1mac_override.py\r\n-rw-r--r-- 1 root root  1404 Nov 23 15:39 udp_1pkt_1mac.py\r\n-rw-r--r-- 1 root root  1341 Nov 23 15:39 udp_1pkt_1mac_step.py\r\n-rw-r--r-- 1 root root   924 Nov 23 15:39 udp_1pkt_dns.py\r\n-rw-r--r-- 1 root root   842 Nov 23 15:39 udp_1pkt_dot1q.py\r\n-rw-r--r-- 1 root root   888 Nov 23 15:39 udp_1pkt_frag.py\r\n-rw-r--r-- 1 root root  1566 Nov 23 15:39 udp_1pkt_ipv6_in_ipv4.py\r\n-rw-r--r-- 1 root root  1346 Nov 23 15:39 udp_1pkt_mac_mask1.py\r\n-rw-r--r-- 1 root root  1369 Nov 23 15:39 udp_1pkt_mac_mask2.py\r\n-rw-r--r-- 1 root root  1398 Nov 23 15:39 udp_1pkt_mac_mask3.py\r\n-rw-r--r-- 1 root root  1344 Nov 23 15:39 udp_1pkt_mac_mask5.py\r\n-rw-r--r-- 1 root root  1376 Nov 23 15:39 udp_1pkt_mac.py\r\n-rw-r--r-- 1 root root  1351 Nov 23 15:39 udp_1pkt_mac_step.py\r\n-rw-r--r-- 1 root root  1010 Nov 23 15:39 udp_1pkt_mpls.py\r\n-rw-r--r-- 1 root root  1337 Nov 23 15:39 udp_1pkt_mpls_vm.py\r\n-rw-r--r-- 1 root root  3814 Nov 23 15:39 udp_1pkt_multi.py\r\n-rw-r--r-- 1 root root  2695 Nov 23 15:39 udp_1pkt_multi_stream.py\r\n-rw-r--r-- 1 root root   776 Nov 23 15:39 udp_1pkt_pcap.py\r\n-rw-r--r-- 1 root root   878 Nov 23 15:39 udp_1pkt_pcap_relative_path.py\r\n-rw-r--r-- 1 root root  1603 Nov 23 15:39 udp_1pkt.py\r\n-rw-r--r-- 1 root root  1934 Nov 23 15:39 udp_1pkt_range_clients.py\r\n-rw-r--r-- 1 root root  1864 Nov 23 15:39 udp_1pkt_range_clients_split_garp.py\r\n-rw-r--r-- 1 root root  1923 Nov 23 15:39 udp_1pkt_range_clients_split.py\r\n-rw-r--r-- 1 root root  2625 Nov 23 15:39 udp_1pkt_repeat_random.py\r\n-rw-r--r-- 1 root root   900 Nov 23 15:39 udp_1pkt_simple_bdir.py\r\n-rw-r--r-- 1 root root   860 Nov 23 15:39 udp_1pkt_simple_burst.py\r\n-rw-r--r-- 1 root root  1575 Nov 23 15:39 udp_1pkt_simple_list_test.py\r\n-rw-r--r-- 1 root root  1013 Nov 23 15:39 udp_1pkt_simple_mac_dst.py\r\n-rw-r--r-- 1 root root  1037 Nov 23 15:39 udp_1pkt_simple_mac_dst_src.py\r\n-rw-r--r-- 1 root root  1000 Nov 23 15:39 udp_1pkt_simple_mac_src.py\r\n-rw-r--r-- 1 root root   837 Nov 23 15:39 udp_1pkt_simple.py\r\n-rw-r--r-- 1 root root  1530 Nov 23 15:39 udp_1pkt_simple_test2.py\r\n-rw-r--r-- 1 root root  1513 Nov 23 15:39 udp_1pkt_simple_test.py\r\n-rw-r--r-- 1 root root  2412 Nov 23 15:39 udp_1pkt_src_ip_split_core_pinned.py\r\n-rw-r--r-- 1 root root  2885 Nov 23 15:39 udp_1pkt_src_ip_split_latency_ieee_1588.py\r\n-rw-r--r-- 1 root root  2815 Nov 23 15:39 udp_1pkt_src_ip_split_latency.py\r\n-rw-r--r-- 1 root root  2112 Nov 23 15:39 udp_1pkt_src_ip_split.py\r\n-rw-r--r-- 1 root root  1463 Nov 23 15:39 udp_1pkt_tuple_gen.py\r\n-rw-r--r-- 1 root root  1808 Nov 23 15:39 udp_1pkt_tuple_gen_split.py\r\n-rw-r--r-- 1 root root  1580 Nov 23 15:39 udp_1pkt_vxlan.py\r\n-rw-r--r-- 1 root root  1989 Nov 23 15:39 udp_3pkt_pcap.py\r\n-rw-r--r-- 1 root root   630 Nov 23 15:39 udp_594B_no_crc.pcap\r\n-rw-r--r-- 1 root root   100 Nov 23 15:39 udp_64B_no_crc.pcap\r\n-rw-r--r-- 1 root root  1904 Nov 23 15:39 udp_for_benchmarks.py\r\n-rw-r--r-- 1 root root  1718 Nov 23 15:39 udp_inc_len_9k.py\r\n-rw-r--r-- 1 root root  1734 Nov 23 15:39 udp_inc_len_list.py\r\n-rw-r--r-- 1 root root  3317 Nov 23 15:39 udp_multi_simple_list_test.py\r\n-rw-r--r-- 1 root root  1768 Nov 23 15:39 udp_rand_len_9k.py\r\n-rw-r--r-- 1 root root  1006 Nov 23 15:39 upf6_test.py\r\n#<\/pre>\n<h2>How to Use<\/h2>\n<ul>\n<li><a href=\"https:\/\/rlab.cavtime.net\/?p=1419\" target=\"_blank\" rel=\"noopener\">How to use TRex Stateless Mode ( trex-console )<\/a><\/li>\n<\/ul>\n<h2>Traffic Profile<\/h2>\n<p>trex-console(client)\u3067\u751f\u6210\u3059\u308bTraffic\u306e\u8a2d\u5b9a\u3092\u8a18\u8f09\u3057\u305f\u3082\u306e\u3092 Traffic Profile \u3068\u547c\u3073 File \u306f Python Style \u3067\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n<p>\u3082\u3063\u3068\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u300cstl\/udp_1pkt_simple.py\u300d\u3092\u898b\u3066\u307f\u308b\u3002<\/p>\n<pre># cat stl\/udp_1pkt_simple.py\r\nfrom trex_stl_lib.api import *\r\nimport argparse\r\n\r\nclass STLS1(object):\r\n\r\n    def create_stream (self):\r\n        return <span style=\"color: #ff0000;\">STLStream(<\/span>\r\n            packet =\r\n                    <span style=\"color: #ff0000;\">STLPktBuilder(<\/span>\r\n                        pkt = <span style=\"color: #0000ff;\">Ether()\/IP(src=\"16.0.0.1\",dst=\"48.0.0.1\")\/\r\n                                UDP(dport=12,sport=1025)\/(10*'x')<\/span>\r\n                    <span style=\"color: #ff0000;\">)<\/span>,\r\n             mode = <span style=\"color: #ff0000;\">STLTXCont())<\/span>\r\n\r\n    def get_streams (self, tunables, **kwargs):\r\n        parser = argparse.ArgumentParser(description='Argparser for {}'.format(os.path.basename(__file__)),\r\n                                         formatter_class=argparse.ArgumentDefaultsHelpFormatter)\r\n        args = parser.parse_args(tunables)\r\n        # create 1 stream\r\n        return [ self.create_stream() ]\r\n\r\n\r\n# dynamic load - used for trex console or simulator\r\ndef register():\r\n    return STLS1()\r\n\r\n#\r\n<\/pre>\n<p>TRex Stateless Python API (\u8d64\u5b57)<\/p>\n<ul>\n<li><a href=\"https:\/\/trex-tgn.cisco.com\/trex\/doc\/cp_stl_docs\/api\/profile_code.html\" target=\"_blank\" rel=\"noopener\">TLStream() \/\/ Traffic profile modules \/ STLStream<\/a><\/li>\n<li><a href=\"https:\/\/trex-tgn.cisco.com\/trex\/doc\/cp_stl_docs\/api\/scapy_builder.html#packet-builder-modules\" target=\"_blank\" rel=\"noopener\">STLPktBuilder() \/\/ Packet builder modules \/ STLPktBuilder class<\/a><\/li>\n<li><a href=\"https:\/\/trex-tgn.cisco.com\/trex\/doc\/cp_stl_docs\/api\/profile_code.html?highlight=stltxcont#stlstream-modes\" target=\"_blank\" rel=\"noopener\">STLTXCont() \/\/ Traffic profile modules \/ STLStream modes<\/a><\/li>\n<\/ul>\n<p>Scapy API (\u9752\u5b57)<\/p>\n<p><span style=\"color: #0000ff;\">Ether()\/IP(src=&#8221;16.0.0.1&#8243;,dst=&#8221;48.0.0.1&#8243;)\/ UDP(dport=12,sport=1025)\/(10*&#8217;x&#8217;)<\/span><\/p>\n<h2>Use Case<\/h2>\n<ul>\n<li><a href=\"https:\/\/rlab.cavtime.net\/?p=1276&amp;cat_id=108\">TRex Stateless mode [ Traffic : Single Stream 100Mbps One Direction ]<\/a><\/li>\n<li><a href=\"https:\/\/rlab.cavtime.net\/?p=1304&amp;cat_id=108\">TRex Stateless mode [ Traffic : Single Stream 1Gps(L1) 1500Byte One Derection ]<\/a><\/li>\n<li><a href=\"https:\/\/rlab.cavtime.net\/?p=1297&amp;cat_id=108\">TRex Stateless mode [ Traffic : Single Stream 1Gps(L1) One Direction ]<\/a><\/li>\n<li><a href=\"https:\/\/rlab.cavtime.net\/?p=1384&amp;cat_id=108\">TRex Stateless mode [ Traffic : Single Stream 10Mbps Two Direction \/ 2 Traffic Profile ]<\/a><\/li>\n<li><a href=\"https:\/\/rlab.cavtime.net\/?p=1429&amp;cat_id=108\">TRex Stateless mode [ Traffic : Single Stream 10Mbps Two Direction \/ 1 Traffic Profile ]<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Overview TRex Stateless Mode \u306e\u6982\u8981\u3092\u8ff0\u3079\u308b\u3002 Reference TRex TRex Stateless Mode TRex Installation Guide Install TRex  [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-1406","post","type-post","status-publish","format-standard","hentry","category-traffic-generator"],"_links":{"self":[{"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=\/wp\/v2\/posts\/1406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1406"}],"version-history":[{"count":14,"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=\/wp\/v2\/posts\/1406\/revisions"}],"predecessor-version":[{"id":1432,"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=\/wp\/v2\/posts\/1406\/revisions\/1432"}],"wp:attachment":[{"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rlab.cavtime.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}