TRex realistic traffic generator ================================ :author: hhaim :email: <hhaim@cisco.com> :description: TRex Low cost, High scale, realistic traffic generator :revdate: 2014-11-01 :revnumber: 0.2 :deckjs_theme: swiss :deckjs_transition: horizontal-slide :scrollable: :web_server_url: http://trex-tgn.cisco.com/trex include::trex_ga.asciidoc[] == What problem is being solved? * Network elements include complex stateful features * Require testing with stateful and real traffic mix * Traffic generators of stateful/realistic traffic are: ** Expensive ~$100-500K ** Not scalable for high rates ** Not flexible * Due to cost, quality is impacted ** Limited access / testing ** Late testing ** No standard ++++++++++++++++++ <script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"> </script> <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> <script src="my_chart.js"></script> <style> .axis path, .axis line { fill: none; stroke: #000; shape-rendering: crispEdges; } .dot { stroke: #000; } </style> <style type="text/css"> h1 { font-size: 2.5em; } h2 { font-size: 1.5em; color: #CD7300; border-bottom-color: #000; } h7 { font-size: 4.5em; color: #CD7300; position: relative; top: auto; text-align: center; padding: 0; -webkit-transform: none; -moz-transform: none; -ms-transform: none; -o-transform: none; transform: none; padding: 0 48px; position: absolute; left: 0; right: 0; top: 50%; } h8 { font-size: 2.25em; font-weight: bold; padding-top: .5em; margin: 0 0 .66666em 0; border-top: 3px solid #888; color: #c00; border-top-color: #ccc; left: 0; right: 0; top: 40%; } html, body { height: 100%; margin: 0 auto; max-width: 1000px; } </style> <script> $('#title-slide').css("background-image", "url('images/trex_logo.png')"); $('#title-slide').css("background-repeat","no-repeat"); $('#title-slide').css("background-position","center"); $('h1').html(''); $('h3').html('<font size="4">Hanoch Haim v1.2</font>'); $('h4').html('<font size="4">04/2015</font>'); </script> ++++++++++++++++++ == What is TRex? * TRex is a *statefull* *traffic* *generator* tool based on a smart replay of real flows (not a full TCP/IP stack,yet) ++++++++++++++++++ <img src="images/ucs200_2.png" alt="title=" align="right" > ++++++++++++++++++ * Generates, manipulates and amplifies based on templates of a real/captured flows. * Templates are processed offline * *High* *performance* full line rate ** tx= up to 200Gb/sec rx=up to 200Gb/sec * *Low* *cost* C220M UCS-1RU, Cisco internal eqip * Generate both sides of the traffic Clients and Servers * *Standard* *hardware* (X86/Intel NIC I350,82599,XL710) ++++++++++++++++++ <img src="images/Intel520.png" alt="title=" align="right" > ++++++++++++++++++ * Flexible and Open Software (DPDK) * Support Virtualization * Virtual interface support *E1000* , *VMXNET3*. Enabler for ** Amazon AWS ** Cisco LaaS == Realistic traffic model ++++++++++++++++++ <img src="images/trex_model.png" alt="title=" align="center" > ++++++++++++++++++ == TRex high level software architecture ++++++++++++++++++ <img src="images/trex_desing.png" alt="title=" align="right" > ++++++++++++++++++ * *DPDK* ** user space driver ** Big TLB ** Utilize all DDR banks * *Multi-Threaded* ** Scale linearly ** ~20Gb/sec per DP core * *No TCP-IP* ** Fast events scheduler ** Generate flows template ** Can support 1K templates * *Slow-path flexibility (per-flow)* ** Client/server generation ** Measure latency ** Measure flow order ** NAT translation learning == TRex basic flows generation algorithm ++++++++++++++++++ <img src="images/trex_algo.png" alt="title=" align="center" > ++++++++++++++++++ == DNS simple profile example * traffic profile is in YAML fomat [source,python] ---- $more cap2/dns_test.yaml - duration : 10.0 generator : distribution : "seq" clients_start : "16.0.0.1" clients_end : "16.0.0.255" servers_start : "48.0.0.1" servers_end : "48.0.0.255" dual_port_mask : "1.0.0.0" tcp_aging : 1 udp_aging : 1 cap_info : - name: cap2/dns.pcap <1> cps : 1.0 <2> ---- <1> the pcap file that include DNS cap file that will be replicate <2> how many connection per second to generate, 1.0 means 1 connection per secod image:images/dns_wireshark.png[title="generator"] == DNS simple profile output .Formated results [format="csv",cols="1^,2^,1^,1^,2^,1^,2^,1^", options="header"] |================= pkt,time sec,fid,flow-pkt-id,client_ip,client_port,server_ip ,direction 1 , 0.010000 , 1 , 1 , 16.0.0.1 , 1024 , 48.0.0.1 , -> 2 , 0.020000 , 1 , 2 , 16.0.0.1 , 1024 , 48.0.0.1 , <- 3 , 2.010000 , 2 , 1 , 16.0.0.2 , 1024 , 48.0.0.2 , -> 4 , 2.020000 , 2 , 2 , 16.0.0.2 , 1024 , 48.0.0.2 , <- 5 , 3.010000 , 3 , 1 , 16.0.0.3 , 1024 , 48.0.0.3 , -> 6 , 3.020000 , 3 , 2 , 16.0.0.3 , 1024 , 48.0.0.3 , <- 7 , 4.010000 , 4 , 1 , 16.0.0.4 , 1024 , 48.0.0.4 , -> 8 , 4.020000 , 4 , 2 , 16.0.0.4 , 1024 , 48.0.0.4 , <- 9 , 5.010000 , 5 , 1 , 16.0.0.5 , 1024 , 48.0.0.5 , -> 10 , 5.020000 , 5 , 2 , 16.0.0.5 , 1024 , 48.0.0.5 , <- 11 , 6.010000 , 6 , 1 , 16.0.0.6 , 1024 , 48.0.0.6 , -> |================= == DNS simple profile chart +++++++++++++++++++++++++++++++++ <div id="chart1" style="font : 10px sans-serif"; ></div> <script> var dns_data=[ [ 0.010000 , 1 , 0 , 1 ], [ 0.060000 , 1 , 0 , 2 ], [ 0.210000 , 2 , 0 , 1 ], [ 0.260000 , 2 , 0 , 2 ], [ 0.310000 , 3 , 0 , 1 ], [ 0.360000 , 3 , 0 , 2 ], [ 0.410000 , 4 , 0 , 1 ], [ 0.460000 , 4 , 0 , 2 ], [ 0.510000 , 5 , 0 , 1 ], [ 0.560000 , 5 , 0 , 2 ], [ 0.610000 , 6 , 0 , 1 ], [ 0.660000 , 6 , 0 , 2 ], [ 0.710000 , 7 , 0 , 1 ], [ 0.760000 , 7 , 0 , 2 ], [ 0.810000 , 8 , 0 , 1 ], [ 0.860000 , 8 , 0 , 2 ], [ 0.910000 , 9 , 0 , 1 ], [ 0.960000 , 9 , 0 , 2 ], [ 1.010000 , 10 , 0 , 1 ], [ 1.060000 , 10 , 0 , 2 ], ]; chart("#chart1",dns_data,["dns"],"time-sec","flow-id"); </script> +++++++++++++++++++++++++++++++++ == HTTP & DNS profile example [source,python] ---- - duration : 1.0 generator : distribution : "seq" clients_start : "16.0.0.1" clients_end : "16.0.0.10" servers_start : "48.0.0.1" servers_end : "48.0.0.3" dual_port_mask : "1.0.0.0" tcp_aging : 1 udp_aging : 1 cap_ipg : true cap_info : - name: cap2/dns.pcap cps : 10.0 <1> - name: avl/delay_10_http_browsing_0.pcap cps : 2.0 <1> ---- <1> Diffrent CPS * Inter packet Gap (IPG) is taken from pcap file * IPG can be manualy set == HTTP & DNS profile chart +++++++++++++++++++++++++++++++++ <div id="chart3" style="font : 10px sans-serif"; ></div> <script> var chart3_data=[ [ 0.010000 , 1 , 0 , 1 ], [ 0.030944 , 1 , 0 , 2 ], [ 0.093333 , 2 , 1 , 1 ], [ 0.104362 , 2 , 1 , 2 ], [ 0.115385 , 2 , 1 , 3 ], [ 0.115394 , 2 , 1 , 4 ], [ 0.126471 , 2 , 1 , 5 ], [ 0.126484 , 2 , 1 , 6 ], [ 0.137530 , 2 , 1 , 7 ], [ 0.148609 , 2 , 1 , 8 ], [ 0.148621 , 2 , 1 , 9 ], [ 0.148635 , 2 , 1 , 10 ], [ 0.159663 , 2 , 1 , 11 ], [ 0.170750 , 2 , 1 , 12 ], [ 0.170762 , 2 , 1 , 13 ], [ 0.170774 , 2 , 1 , 14 ], [ 0.176667 , 3 , 0 , 1 ], [ 0.181805 , 2 , 1 , 15 ], [ 0.181815 , 2 , 1 , 16 ], [ 0.192889 , 2 , 1 , 17 ], [ 0.192902 , 2 , 1 , 18 ], [ 0.192914 , 2 , 1 , 19 ], [ 0.192927 , 2 , 1 , 20 ], [ 0.192939 , 2 , 1 , 21 ], [ 0.192951 , 2 , 1 , 22 ], [ 0.197611 , 3 , 0 , 2 ], [ 0.203944 , 2 , 1 , 23 ], [ 0.203950 , 2 , 1 , 24 ], [ 0.203956 , 2 , 1 , 25 ], [ 0.214620 , 2 , 1 , 26 ], [ 0.214633 , 2 , 1 , 27 ], [ 0.214645 , 2 , 1 , 28 ], [ 0.214658 , 2 , 1 , 29 ], [ 0.214671 , 2 , 1 , 30 ], [ 0.214682 , 2 , 1 , 31 ], [ 0.214695 , 2 , 1 , 32 ], [ 0.214707 , 2 , 1 , 33 ], [ 0.225264 , 2 , 1 , 34 ], [ 0.225269 , 2 , 1 , 35 ], [ 0.225274 , 2 , 1 , 36 ], [ 0.225279 , 2 , 1 , 37 ], [ 0.260000 , 4 , 0 , 1 ], [ 0.280944 , 4 , 0 , 2 ], [ 0.343333 , 5 , 0 , 1 ], [ 0.364277 , 5 , 0 , 2 ], [ 0.426667 , 6 , 0 , 1 ], [ 0.447611 , 6 , 0 , 2 ], [ 0.593333 , 7 , 0 , 1 ], [ 0.614277 , 7 , 0 , 2 ], [ 0.676667 , 8 , 1 , 1 ], [ 0.687696 , 8 , 1 , 2 ], [ 0.698719 , 8 , 1 , 3 ], [ 0.698728 , 8 , 1 , 4 ], [ 0.709805 , 8 , 1 , 5 ], [ 0.709818 , 8 , 1 , 6 ], [ 0.720864 , 8 , 1 , 7 ], [ 0.731943 , 8 , 1 , 8 ], [ 0.731955 , 8 , 1 , 9 ], [ 0.731968 , 8 , 1 , 10 ], [ 0.742997 , 8 , 1 , 11 ], [ 0.754084 , 8 , 1 , 12 ], [ 0.754096 , 8 , 1 , 13 ], [ 0.754108 , 8 , 1 , 14 ], [ 0.760000 , 9 , 0 , 1 ], [ 0.765139 , 8 , 1 , 15 ], [ 0.765148 , 8 , 1 , 16 ], [ 0.776223 , 8 , 1 , 17 ], [ 0.776236 , 8 , 1 , 18 ], [ 0.776248 , 8 , 1 , 19 ], [ 0.776261 , 8 , 1 , 20 ], [ 0.776273 , 8 , 1 , 21 ], [ 0.776285 , 8 , 1 , 22 ], [ 0.780944 , 9 , 0 , 2 ], [ 0.787278 , 8 , 1 , 23 ], [ 0.787284 , 8 , 1 , 24 ], [ 0.787289 , 8 , 1 , 25 ], [ 0.797954 , 8 , 1 , 26 ], [ 0.797967 , 8 , 1 , 27 ], [ 0.797979 , 8 , 1 , 28 ], [ 0.797992 , 8 , 1 , 29 ], [ 0.798004 , 8 , 1 , 30 ], [ 0.798016 , 8 , 1 , 31 ], [ 0.798029 , 8 , 1 , 32 ], [ 0.798041 , 8 , 1 , 33 ], [ 0.808598 , 8 , 1 , 34 ], [ 0.808603 , 8 , 1 , 35 ], [ 0.808608 , 8 , 1 , 36 ], [ 0.808613 , 8 , 1 , 37 ], [ 0.843333 , 10 , 0 , 1 ], [ 0.864277 , 10 , 0 , 2 ], [ 0.926667 , 11 , 0 , 1 ], [ 0.947611 , 11 , 0 , 2 ], [ 1.010000 , 12 , 0 , 1 ], [ 1.030944 , 12 , 0 , 2 ], ]; chart("#chart3",chart3_data,["dns","http"],"time-sec","flow-id"); </script> +++++++++++++++++++++++++++++++++ == EMIX traffic profile ++++++++++++++++++ <img src="images/trex_sfr_profile.png" alt="title=" align="right" > ++++++++++++++++++ * EMIX traffic profile suggested. used for NBAR/AVC tests * Property ** BW: 70% TCP (http, mail) , 30% UDP (rtp) ** Connections: 50% TCP (http, mail) , 50% UDP (rtp, dns) ** Avg. Packet Size (~585B) ** PPS= 221K per 1Gb/sec ** CPS = 4K per 1Gb/sec ** Flows per 1Gb/sec = 50K ** Avg. Packets per flow (50) == EMIX YAML profile .Simplified version of EMIX YAML profile [source,python] ---- - duration : 0.1 generator : distribution : "seq" clients_start : "16.0.0.1" clients_end : "16.0.1.255" servers_start : "48.0.0.1" servers_end : "48.0.20.255" dual_port_mask : "1.0.0.0" cap_ipg : true cap_info : - name: avl/delay_10_http_get_0.pcap cps : 404.52 - name: avl/delay_10_http_post_0.pcap cps : 404.52 - name: avl/delay_10_https_0.pcap cps : 130.8745 - name: avl/delay_10_http_browsing_0.pcap cps : 709.89 - name: avl/delay_10_exchange_0.pcap cps : 253.81 - name: avl/delay_10_mail_pop_2.pcap cps : 4.759 - name: avl/delay_10_oracle_0.pcap cps : 79.3178 - name: avl/delay_10_rtp_160k_full.pcap cps : 2.776 - name: avl/delay_10_smtp_0.pcap cps : 7.3369 - name: avl/delay_10_sip_video_call_full.pcap cps : 29.347 - name: avl/delay_10_citrix_0.pcap cps : 43.6248 - name: avl/delay_10_dns_0.pcap cps : 1975.015 ---- == EMIX profile chart +++++++++++++++++++++++++++++++++ <div id="chart4" 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line main options [source,bash] ---- $.sudo /t-rex-64 -f [traffic_yaml] -m [muti] -d [duration] -l [Hz=1000] -c [cores] ---- *-f=TRAFFIC_CFG* :: Traffic YAML configuration file *-m*:: CPS multiplier *-d=DURATION* :: Duration of the test in sec *-l=Hz* :: Latency pakets rate (Hz) *-c*:: How many cores to use == TRex Vision * All in One, most of the functionality of existing tools * Standard tests (e.g. traffic mix, automation) across features/platforms * Cisco wide developers community * Open source, Standardize tests == Trex GUI image:images/TrexViewer.png[width=500] * Monitor GUI works on Windows 7 * Nonitor real-time properties of TRex ( e.g min/max/average latency,jitter ) == Python API and automation tools ++++++++++++++++++ <img src="images/trex_control_plane_modules.png" alt="title=" align="center" > <div id="pclient" > ++++++++++++++++++ [source,python] ----- import trex_client trex = trex_client.CTRexClient('csi-kiwi-02') ret = trex.start_trex( m = 1.1, d = 20, f = 'avl/sfr_delay_10_1g.yaml', l = 1000) while trex.is_running() : trex.get_running_info() res=trex.get_result_obj() if res.is_done_warmup (): res.get_value_list("trex-global.data.m_tx_bps"); time.sleep(1); ret = trex.stop_trex() ----- ++++++++++++++++++ </div> <script> $("#pclient").css({'font-size':'12px'}) </script> ++++++++++++++++++ == Trex On your laptop ++++++++++++++++++ <img src="images/T-Rex_vm.png" alt="title=" align="center" > ++++++++++++++++++ * You can experience TRex on your laptop == Roadmap * TCP stack * Export SDK application plugins API - more application support * Automation (e.g ATS, Cisco HLTAPI etc) * Open source * Tunnel agnostic (e.g. VXLAN,QinQ,MPLS,NSH) == Benefit ** Significant budget saving ** Product quality == Resource .Resource [options="header",cols="1^",width="40%"] |================= | Link | link:trex_manual.html[Manual-html] | link:trex_book.pdf[Manual-pdf] | link:release_notes.html[Release Notes] | link:trex_manual.html#_download_and_installation[How to install] |================= ++++++++++++++++++ </section> <section class="slide"> <h2></h2> <h7>Backup</h7> <h8></h8> </section> ++++++++++++++++++