ubuntu 安装 iperf
iperf的github
https://github.com/esnet/iperf/releases
解压
sudo tar -zvxf iperf-3.6.tar.gz -C /usr/local
进入目录，编译
sudo ./configure
安装
sudo make
sudo make install
报错
iperf3: error while loading shared libraries: libiperf.so.0: cannot open shared object file: No such file or directory
手动执行
sudo /sbin/ldconfig
可以访问了
# iperf3 -v
iperf 3.6 (cJSON 1.5.2)
Linux JQ-Mac 4.15.0-45-generic #48~16.04.1-Ubuntu SMP Tue Jan 29 18:03:48 UTC 2019 x86_64
Optional features available: CPU affinity setting, IPv6 flow label, TCP congestion algorithm setting, sendfile / zerocopy, socket pacing, authentication
开启服务
# iperf3 -s
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
确保服务端开启5201端口
vim /etc/sysconfig/iptables
/etc/init.d/iptables restart
测试访问
# iperf3 -c 192.168.1.200
Connecting to host 192.168.1.200, port 5201
[ 5] local 192.168.1.228 port 58092 connected to 192.168.1.200 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 11.3 MBytes 94.5 Mbits/sec 0 24.0 KBytes
[ 5] 1.00-2.00 sec 11.2 MBytes 94.1 Mbits/sec 0 26.9 KBytes
[ 5] 2.00-3.00 sec 11.2 MBytes 94.1 Mbits/sec 0 28.3 KBytes
[ 5] 3.00-4.00 sec 11.2 MBytes 94.2 Mbits/sec 0 43.8 KBytes
[ 5] 4.00-5.00 sec 11.2 MBytes 94.2 Mbits/sec 0 43.8 KBytes
[ 5] 5.00-6.00 sec 11.2 MBytes 93.7 Mbits/sec 0 43.8 KBytes
[ 5] 6.00-7.00 sec 11.1 MBytes 93.3 Mbits/sec 0 43.8 KBytes
[ 5] 7.00-8.00 sec 11.3 MBytes 94.4 Mbits/sec 0 66.5 KBytes
[ 5] 8.00-9.00 sec 11.3 MBytes 94.8 Mbits/sec 0 100 KBytes
[ 5] 9.00-10.00 sec 11.1 MBytes 93.2 Mbits/sec 0 100 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 112 MBytes 94.0 Mbits/sec 0 sender
[ 5] 0.00-10.04 sec 112 MBytes 93.6 Mbits/sec receiver
iperf Done.
比较操蛋的是，很少有服务器开启5201端口。
