diff options
Diffstat (limited to 'doc')
| -rwxr-xr-x | doc/trex_stateless.asciidoc | 174 |
1 files changed, 136 insertions, 38 deletions
diff --git a/doc/trex_stateless.asciidoc b/doc/trex_stateless.asciidoc index ce1d7d94..972a322a 100755 --- a/doc/trex_stateless.asciidoc +++ b/doc/trex_stateless.asciidoc @@ -38,7 +38,7 @@ endif::backend-xhtml11[] This document assumes basic knowledge of TRex, and assumes that TRex is installed and configured. For information, see the link:trex_manual.html[manual], especially the material up to the link:trex_manual.html#_basic_usage[Basic Usage] section. -== Stateless support (Beta stage) +== Stateless support === High level functionality // maybe Feature overview @@ -76,11 +76,6 @@ The following example shows three streams configured for Continuous, Burst, and image::images/stl_streams_example_02.png[title="Example of multiple streams",align="left",width={p_width}, link="images/stl_streams_example_02.png"] -==== High level functionality - near future - -// "near future" and "roadmap" (below) are ~ same. Typically, Cisco does not document features before they're ready, but open source is a little different. We might want to find a better place to put the roadmap for the future - maybe a separate document. - -* ARP emulation - learn server MAC. Support unlimited MAC addresses per port. ==== High level functionality - Roadmap for future development @@ -247,7 +242,7 @@ TRex ports can operate in two different mutual exclusive modes: * *Layer 3 mode* - IPv4/IPv6 configuration When configuring a port for L2 mode, it is only required to provide -the destination MAC address for the port. +the destination MAC address for the port (Legacy mode previous to v2.12 version). When configuring a port for L3, it is required to provide both source IPv4/IPv6 address and a IPv4/IPv6 destination address. @@ -260,12 +255,11 @@ destination address and automatically configure the correct destination MAC. While in L3 mode, TRex server will generate *gratuitous ARP* packets to make sure that no ARP timeout on the DUT/router will result in a faliure of the test. -*Example of configuring L2 mode* - +.*Example of configuring L2 mode* [source,bash] ---- -*TRex Console:* +trex>service trex>l2 --help usage: port [-h] --port PORT --dst DST_MAC @@ -282,22 +276,29 @@ trex(service)>l2 -p 0 --dst 6A:A7:B5:3A:4E:FF Setting port 0 in L2 mode: [SUCCESS] +trex>service --off -*TRex API:* +---- -client.set_service_mode(port = 0, enabled = True) -client.set_l2_mode(port = 0, dst_mac = "6A:A7:B5:3A:4E:FF") +.*Example of configuring L2 mode- Python API* +[source,Python] +---- + client.set_service_mode(port = 0, enabled = True) + + client.set_l2_mode(port = 0, dst_mac = "6A:A7:B5:3A:4E:FF") + + client.set_service_mode(port = 0, enabled = False) -client.set_service_mode(port = 0, enabled = False) ---- -*Example of configuring L3 mode* +.*Example of configuring L3 mode- Console* [source,bash] ---- -*TRex console:* +trex>service + trex(service)>l3 --help usage: port [-h] --port PORT --src SRC_IPV4 --dst DST_IPV4 @@ -317,8 +318,14 @@ Setting port 0 in L3 mode: [SUCCESS] ARP resolving address '1.1.1.1': [SUCCESS] +trex>service --off + +---- + -*TRex API:* +.*Example of configuring L3 mode - Python API* +[source,python] +---- client.set_service_mode(port = 0, enabled = True) @@ -328,12 +335,10 @@ client.set_service_mode(port = 0, enabled = False) ---- - === Port Service Mode - In 'normal operation mode', to preserve high speed processing of packets, -TRex ignores most of the RX traffic, with the exception of counting and handling +TRex ignores most of the RX traffic, with the exception of counting/statistic and handling latency flows. @@ -353,13 +358,13 @@ The following diagram illustrates of packets can be forwarded back to the Python image::images/port_service_mode.png[title="Port Under Service Mode",align="left",width={p_width}, link="images/port_service_mode.png"] +In this mode, it is possible to write python plugins for emulation (e.g. IPV6 ND/DHCP) to prepare the setup and then move to normal mode for high speed testing + *Example Of Switcing Between 'Service' And 'Normal' Mode* [source,bash] ---- -*TRex Console:* - trex(service)>service --help usage: service [-h] [--port PORTS [PORTS ...] | -a] [--off] @@ -383,11 +388,15 @@ trex(service)>service --off Disabling service mode on port(s) [0, 1]: [SUCCESS] +---- -*TRex API*: +.*Example Of Switcing Between 'Service' And 'Normal' Mode-API* +[source,Python] +---- -client.set_service_mode(ports = [0, 1], enabled = True) -client.set_service_mode(ports = [0, 1], enabled = False) + client.set_service_mode(ports = [0, 1], enabled = True) + + client.set_service_mode(ports = [0, 1], enabled = False) ---- @@ -414,13 +423,40 @@ image::images/router_arp.png[title="Router ARP",align="left",width={p_width}, li [source,bash] ---- -*TRex Console*: +trex>service #<1> -trex>service +Enabling service mode on port(s) [0, 1]: [SUCCESS] + +trex(service)>portattr --port 0 + + port | 0 | + ------------------------------------------ + driver | rte_ixgbe_pmd | + description | 82599EB 10-Gigabit | + link status | UP | + link speed | 10 Gb/s | + port status | IDLE | + promiscuous | off | + flow ctrl | none | + -- | | + src IPv4 | - | + src MAC | 00:00:00:01:00:00 | + --- | | + Destination | 00:00:00:01:00:00 | + ARP Resolution | - | + ---- | | + PCI Address | 0000:03:00.0 | + NUMA Node | 0 | + ----- | | + RX Filter Mode | hardware match | + RX Queueing | off | + RX sniffer | off | + Grat ARP | off | -Enabling service mode on port(s) [0, 1]: [SUCCESS] -trex(service)>arp -p 0 1 +trex(service)>l3 -p -s 1.1.1.1 -d 1.1.1.2 #<2> + +trex(service)>arp -p 0 1 #<3> Resolving destination on port(s) [0, 1]: [SUCCESS] @@ -428,21 +464,74 @@ Resolving destination on port(s) [0, 1]: [SUCCESS] Port 0 - Recieved ARP reply from: 1.1.1.1, hw: d0:d0:fd:a8:a1:01 Port 1 - Recieved ARP reply from: 1.1.2.1, hw: d0:d0:fd:a8:a1:02 +trex(service)>service --off #<4> + +---- +<1> Enable service mode +<2> Set IPv4/default gateway. it will resolve the arp +<3> repeat ARP resolution +<4> exist from service mode + -*TRex API*: -client.set_service_mode(ports = [0, 1], enabled = True) +to revert back to MAC address mode (without ARP resolution) you do the following + +.Disable L3 mode +[source,bash] +---- + +trex>l2 -p 0 --dst 00:00:00:01:00:00 #<1> + +trex>portattr --port 0 + + port | 0 | + ------------------------------------------ + driver | rte_ixgbe_pmd | + description | 82599EB 10-Gigabit | + link status | UP | + link speed | 10 Gb/s | + port status | IDLE | + promiscuous | off | + flow ctrl | none | + -- | | + src IPv4 | - | + src MAC | 00:00:00:01:00:00 | + --- | | + Destination | 00:00:00:01:00:00 | + ARP Resolution | - | + ---- | | + PCI Address | 0000:03:00.0 | + NUMA Node | 0 | + ----- | | + RX Filter Mode | hardware match | + RX Queueing | off | + RX sniffer | off | + Grat ARP | off | + +---- +<1> disable service mode + + + +.Python API: +[source,python] +---- + +client.set_service_mode(ports = [0, 1], enabled = True) <1> # configure port 0, 1 to Layer 3 mode -client.set_l3_mode(port = 0, src_ipv4 = '1.1.1.2', dst_ipv4 = '1.1.1.2') -client.set_l3_mode(port = 1, src_ipv4 = '1.1.2.2', dst_ipv4 = '1.1.2.1') +client.set_l3_mode(port = 0, src_ipv4 = '1.1.1.2', dst_ipv4 = '1.1.1.2') <2> +client.set_l3_mode(port = 1, src_ipv4 = '1.1.2.2', dst_ipv4 = '1.1.2.1') # ARP resolve ports 0, 1 c.resolve(ports = [0, 1]) -client.set_service_mode(ports = [0, 1], enabled = False) +client.set_service_mode(ports = [0, 1], enabled = False) <3> ---- +<1> Enable service mode +<2> configure IPv4 and Default Gateway +<3> Disable service mode ==== ICMP @@ -450,11 +539,10 @@ Another basic protocol provided with TRex is ICMP. It is possible, under service mode to ping the DUT or even a TRex port from the console / API. +.TRex Console [source,bash] ---- -*TRex Console*: - trex(service)>ping --help usage: ping [-h] --port PORT -d PING_IPV4 [-s PKT_SIZE] [-n COUNT] @@ -477,8 +565,13 @@ Reply from 1.1.2.2: bytes=64, time=1.31ms, TTL=127 Reply from 1.1.2.2: bytes=64, time=1.78ms, TTL=127 Reply from 1.1.2.2: bytes=64, time=1.95ms, TTL=127 +---- + + -*Trex API*: +.Python API +[source,python] +---- # move to service mode client.set_service_mode(ports = ports, enabled = True) @@ -488,13 +581,18 @@ client.set_l3_mode(port = 0, src_ipv4 = '1.1.1.2', dst_ipv4 = '1.1.1.1') client.set_l3_mode(port = 1, src_ipv4 = '1.1.2.2', dst_ipv4 = '1.1.2.1') # ping port 1 from port 0 through the router -client.ping_ip(src_port = 0, dst_ipv4 = '1.1.2.2', pkt_size = 64) +client.ping_ip(src_port = 0, dst_ipv4 = '1.1.2.2', pkt_size = 64) <1> # disable service mode client.set_service_mode(enabled = False) ---- +<1> Check connectivity + + +==== IPv6 ND/DHCP client +in progress === Tutorials |