iperf - 網路流量測試工具

iperf -s

而 client 端則

iperf -c 192.168.1.1

結果顯示:

server

------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[  4] local 192.168.1.1 port 5001 connected with 192.168.1.2 port 2934
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0-10.0 sec    345 MBytes    289 Mbits/sec

client

------------------------------------------------------------
Client connecting to 192.168.1.1, TCP port 5001
TCP window size: 8.00 KByte (default)
------------------------------------------------------------
[1912] local 192.168.1.2 port 2934 connected with 192.168.1.1 port 5001
[ ID] Interval       Transfer     Bandwidth
[1912]  0.0-10.0 sec   345 MBytes   289 Mbits/sec

再來 client 端進一步的參數測試

持續300秒，而30秒顯示一次數據

iperf -c 192.168.1.1 -t 300 -i 30

------------------------------------------------------------
Client connecting to 192.168.1.1, TCP port 5001
TCP window size: 8.00 KByte (default)
------------------------------------------------------------
[1912] local 192.168.1.2 port 2300 connected with 192.168.1.1 port 5001
[ ID] Interval       Transfer     Bandwidth
[1912]  0.0-30.0 sec  1.28 GBytes   366 Mbits/sec
[1912] 30.0-60.0 sec  1.30 GBytes   373 Mbits/sec
[1912] 60.0-90.0 sec  1.32 GBytes   379 Mbits/sec
[1912] 90.0-120.0 sec  1.25 GBytes   359 Mbits/sec
[1912] 120.0-150.0 sec  1.17 GBytes   336 Mbits/sec
[1912] 150.0-180.0 sec  1.29 GBytes   369 Mbits/sec
[1912] 180.0-210.0 sec  1.32 GBytes   377 Mbits/sec
[1912] 210.0-240.0 sec  1.31 GBytes   376 Mbits/sec
[1912] 240.0-270.0 sec  1.25 GBytes   359 Mbits/sec
[1912] 270.0-300.0 sec  1.27 GBytes   364 Mbits/sec
[1912]  0.0-300.0 sec  12.8 GBytes   366 Mbits/sec

如果要壓力測試的話 iperf 有 (client 端)

-P 5 同時模擬5個client端對server傳輸
-w 指定 TCP windows 大小，也可以把它想成是一個檔案的大小