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diff --git a/docs/usecases/trafficgen.md b/docs/usecases/trafficgen.md deleted file mode 100644 index fe3d4c98904..00000000000 --- a/docs/usecases/trafficgen.md +++ /dev/null @@ -1,105 +0,0 @@ -Vpp Stateless Traffic Generation -================================ - -It's simple to configure vpp as a high-performance stateless traffic -generator. A couple of vpp worker threads running on an older system -can easily generate 20 MPPS' worth of traffic. - -In the configurations shown below, we connect a vpp traffic generator -and a vpp UUT using two 40 gigabit ethernet ports on each system: - -``` - +-------------------+ +-------------------+ - | traffic generator | | UUT | - | port 0 | <=======> | port 0 | - | 192.168.40.2/24 | | 192.168.40.1/24 | - +-------------------+ +-------------------+ - - +-------------------+ +-------------------+ - | traffic generator | | UUT | - | port 1 | <=======> | port 1 | - | 192.168.41.2/24 | | 192.168.41.1/24 | - +-------------------+ +-------------------+ -``` - -Traffic Generator Setup Script ------------------------------- - -``` - set int ip address FortyGigabitEthernet2/0/0 192.168.40.2/24 - set int ip address FortyGigabitEthernet2/0/1 192.168.41.2/24 - set int state FortyGigabitEthernet2/0/0 up - set int state FortyGigabitEthernet2/0/1 up - - comment { send traffic to the VPP UUT } - - packet-generator new { - name worker0 - worker 0 - limit 0 - rate 1.2e7 - size 128-128 - tx-interface FortyGigabitEthernet2/0/0 - node FortyGigabitEthernet2/0/0-output - data { IP4: 1.2.40 -> 3cfd.fed0.b6c8 - UDP: 192.168.40.10 -> 192.168.50.10 - UDP: 1234 -> 2345 - incrementing 114 - } - } - - packet-generator new { - name worker1 - worker 1 - limit 0 - rate 1.2e7 - size 128-128 - tx-interface FortyGigabitEthernet2/0/1 - node FortyGigabitEthernet2/0/1-output - data { IP4: 1.2.4 -> 3cfd.fed0.b6c9 - UDP: 192.168.41.10 -> 192.168.51.10 - UDP: 1234 -> 2345 - incrementing 114 - } - } - - comment { delete return traffic on sight } - - ip route add 192.168.50.0/24 via drop - ip route add 192.168.51.0/24 via drop -``` - -Note 1: the destination MAC addresses shown in the configuration (e.g. -3cfd.fed0.b6c8 and 3cfd.fed0.b6c9) **must** match the vpp UUT port MAC -addresses. - -Note 2: this script assumes that /etc/vpp/startup.conf and/or the -command-line in use specifies (at least) two worker threads. Uncomment -"workers 2" in the cpu configuration section of /etc/vpp/startup.conf: - -``` - ## Specify a number of workers to be created - ## Workers are pinned to N consecutive CPU cores while skipping "skip-cores" CPU core(s) - ## and main thread's CPU core - workers 2 -``` - -Any plausible packet generator script - including one which replays -pcap captures - can be used. - - -UUT Setup Script ----------------- - -The vpp UUT uses a couple of static routes to forward traffic back to -the traffic generator: - -``` - set int ip address FortyGigabitEthernet2/0/0 192.168.40.1/24 - set int ip address FortyGigabitEthernet2/0/1 192.168.41.1/24 - set int state FortyGigabitEthernet2/0/0 up - set int state FortyGigabitEthernet2/0/1 up - - ip route add 192.168.50.10/32 via 192.168.41.2 - ip route add 192.168.51.10/32 via 192.168.40.2 -``` |