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diff --git a/doc/trex_config.asciidoc b/doc/trex_config.asciidoc new file mode 100755 index 00000000..742b9968 --- /dev/null +++ b/doc/trex_config.asciidoc @@ -0,0 +1,327 @@ +TRex first time configuration +============================= +:author: hhaim with the Help of Amir Kroparo. New rev fixes by Ido Barnea. +:email: <hhaim@cisco.com> +:description: TRex Getting started - instalation guide +:revdate: 2014-11-01 +:revnumber: 0.2 +:deckjs_theme: swiss +:deckjs_transition: horizontal-slide +:scrollable: + +include::trex_ga.asciidoc[] + + +++++++++++++++++++ +<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 </font>'); + $('h4').html('<font size="4">Updated 10/2016</font>'); + </script> + +++++++++++++++++++ + +== General info +* This guide will help you configure Cisco ASR1K as DUT connected to TRex running in stateful mode. +* This can be easily adopted for working with any L3 device. Equivalent commands for configuring Linux as your DUT are shown at the end as well. +* Two options are given for configuring the router. Policy based route, and static route. You should +choose the one appropriate for your needs. +* TRex should be directly connected to ASR1K ports, and will act as both client and server. + +== Setup description + +* TRex will emulate the networks described in the figure below (on each side of the DUT, router connected to one or more clients/servers networks). + +image::images/trex-asr-setup.png[title="TRex/Router setup"] + +== Not supported setup description + +* Notice that the following setup is *not* supported (Having TRex emulate a bunch of hosts connected by switch to the DUT). +This means that the TRex IP addresses defined in ``generator'' section should be in different network then the DUT addresses +and TRex addresses defined in port_info section. + +image::images/trex-not-supported-setup.png[title="Not supported setup"] + +== TRex configuration + +* You can specify config file to use by the `--cfg` command line argument +or use the default config file `/etc/trex_cfg.yaml` +* Below is an example of how to configure TRex IP addresses. TRex will issue ARP for default_gw, +and send gratuitous ARP for ip, on each port. This works, starting from TRex version 2.10. +If you want to configure MAC addresses manually (equivalent to static +ARP), or running older TRex version, information is available at the end of the presentation. +Full description of config file parameters can be found in the manual. + + +[source,python] +---- + - port_limit : 2 + port_info : + - default_gw : 11.11.11.1 #<1> + ip : 11.11.11.2 #<2> + - default_gw : 12.12.12.1 #<3> + ip : 12.12.12.2 #<4> +---- +<1> TRex port 0 config- should be router's TenG 0/0/0 IP. TRex will try to resolve this address by sending ARP request. +<2> Next hop of router's TenG 0/0/0. TRex will send gratuitous ARP for this address. +<3> TRex port 1 config- should be router's TenG 0/0/1 IP. TRex will try to resolve this address by sending ARP request. +<4> Next hop of router's TenG 0/0/0. TRex will send gratuitous ARP for this address. + +== TRex emulated server/client IPs definition in traffic config file + +* You specify traffic config file by running TRex with -f <file name> (TRex stateful mode). +* Examples for client config files exist in TREX_ROOT/scripts/cfg directory. +* Add following section to the traffic config file, to define the range of IPs for clients and servers. + +[source,python] +---- +generator : + distribution : "seq" + clients_start : "16.0.0.1" + clients_end : "16.0.0.255" + servers_start : "48.0.0.1" + servers_end : "48.0.0.240" +---- + +* In this example, there are: +** 255 clients talking to 240 servers + +== Router config. Option 1 - static routes + +[source,python] +---- +interface TenGigabitEthernet0/0/0 + ip address 11.11.11.1 255.255.255.0 +! +` +interface TenGigabitEthernet0/0/1 + ip address 12.12.12.1 255.255.255.0 +! +ip route 16.0.0.0 255.0.0.0 11.11.11.2 <1> +ip route 48.0.0.0 255.0.0.0 12.12.12.2 <2> +---- +<1> Route clients network to TRex server emulation interface. +<2> Route servers network to TRex client emulation interface. + +== Router config. Option 2 - PBR part 1 + +* Router is configured to statically route packets from 0/0/0 to 0/0/1 and from 0/0/1 to 0/0/0. + +*Router configuration:*:: + +[source,python] +---- +interface TenGigabitEthernet0/0/0 + ip address 11.11.11.1 255.255.255.0 <1> + ip policy route-map p1_to_p2 <2> + load-interval 30 +! + +interface TenGigabitEthernet0/0/1 + ip address 12.12.12.1 255.255.255.0 <1> + ip policy route-map p2_to_p1 <2> + load-interval 30 +! +---- +<1> Configure ip address for the port. +<2> Configure PBR policy - see next slide + +== Router config. Option 2 - PBR part 2 + +[source,python] +---- + +route-map p1_to_p2 permit 10 + set ip next-hop 12.12.12.2 <1> +! +route-map p2_to_p1 permit 10 + set ip next-hop 11.11.11.2 <2> + +---- + +<1> Set the destination to be 12.12.12.2, in the subnet of TenG 0/0/1. +<2> Set the destination to be 11.11.11.2 , in the subnet to TenG 0/0/0. + +== Verify cable connections + +* To verify that TRex port-0 is really connected to Router 0/0/0, you can run the following. + +........................................... +$./t-rex-64 -f cap2/dns.yaml -m 1 -d 10 -l 1000 --lo --lm 1 +........................................... +* It sends packets only from TRex port-0 ( `--lm 1` ) + + +* to send only from TRex port 1 do this: +........................................... +$./t-rex-64 -f cap2/dns.yaml -m 1 -d 10 -l 1000 --lo --lm 2 +........................................... + +* If you are connected to a switch, you must send packets from both directions for few seconds first, to allow +the switch to learn the MAC addresses of both sides. + +........................................... +$./t-rex-64 -f cap2/dns.yaml -m 1 -d 10 -l 1000 +........................................... + +== MAC based configuration + +* If you use TRex version older than 2.10, or wish to have MAC based configuration, TRex config +file must contain the following (instead of the ``ip'' and ``default_gw''). +[source,python] +---- + - port_limit : 2 + port_info : # set eh mac addr + - dest_mac : [0x0,0x0,0x0,0x1,0x0,0x0] + src_mac : [0x0,0x0,0x0,0x2,0x0,0x0] + - dest_mac : [0x0,0x0,0x0,0x3,0x0,0x0] + src_mac : [0x0,0x0,0x0,0x4,0x0,0x0] +---- +============================================================================= +. Should be Router's TenG 0/0/0 mac-address. +. Router should be configured to send to this mac-address. +. Should be Router's TenG 0/0/1 mac-address. +. Router should be configured to send to this mac-address. +============================================================================= + +* On the router side, you must add the following static ARP configuration. + +[source,python] +---- + arp 12.12.12.2 0000.0002.0000 ARPA #<1> + arp 11.11.11.2 0000.0004.0000 ARPA #<2> +---- +<1> TRex port 0 source mac-address. +<2> TRex port 1 source mac-address. + +== Linux config + +* Assuming the same setup with Linux as DUT instead of the router, you can do the following. +* Configure IPs of Linux interfaces to 12.12.12.1 and 11.11.11.1 +[source,python] +---- +route add -net 48.0.0.0 netmask 255.0.0.0 gw 12.12.12.2 +route add -net 16.0.0.0 netmask 255.0.0.0 gw 11.11.11.2 +---- +* If you have MAC based TRex config, you should also add: +[source,python] +---- +arp -s 12.12.12.2 00:00:00:04:00:00 +arp -s 11.11.11.2 00:00:00:04:00:00 +---- + +== Static route configuration - IPV6 + +[source,python] +---- +interface TenGigabitEthernet1/0/0 + ip address 11.11.11.1 255.255.255.0 + ip policy route-map p1_to_p2 + load-interval 30 + ipv6 enable #<1> + ipv6 address 2001:DB8:1111:2222::1/64 #<2> + ipv6 policy route-map ipv6_p1_to_p2 #<3> +! + + +ipv6 unicast-routing #<4> + +ipv6 neighbor 3001::2 TenGigabitEthernet0/1/0 0000.0002.0002 #<5> +ipv6 neighbor 2001::2 TenGigabitEthernet0/0/0 0000.0003.0002 + +route-map ipv6_p1_to_p2 permit 10 #<6> + set ipv6 next-hop 2001::2 +! +route-map ipv6_p2_to_p1 permit 10 + set ipv6 next-hop 3001::2 +! + + +csi-mcp-asr1k-40(config)#ipv6 route 4000::/64 2001::2 +csi-mcp-asr1k-40(config)#ipv6 route 5000::/64 3001::2 +---- +<1> Enable ipv6 +<2> Add ipv6 address +<3> Add pbr +<4> Enable ipv6 routing +<5> Mac-addr setting should be like TRex +<6> PBR configuraion + |