iperf pressure test linux network card bandwidth

1. Installation

yum install iperf --enablerepo=epel

2. Start the server

iperf -s -i 1

3. Start the client test for 10 minutes

iperf -c 172.16.3.153 -i 1 -t 600

-w The smaller the window, the less the bandwidth can be reflected

4. Client display

Connecting to host 172.16.3.145, port 5201
[  4] local 172.16.3.153 port 36895 connected to 172.16.3.145 port 5201
[ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
[  4]   0.00-1.00   sec   789 MBytes  6.61 Gbits/sec  138   1.95 MBytes       
[  4]   1.00-2.00   sec  1.08 GBytes  9.24 Gbits/sec   23   1.39 MBytes       
[  4]   2.00-3.00   sec  1.08 GBytes  9.25 Gbits/sec    0   1.46 MBytes       
[  4]   3.00-4.00   sec  1.08 GBytes  9.25 Gbits/sec   10   1.08 MBytes       

5. Server display

Server listening on 5201
-----------------------------------------------------------
Accepted connection from 172.16.3.153, port 36894
[  5] local 172.16.3.145 port 5201 connected to 172.16.3.153 port 36895
[ ID] Interval           Transfer     Bandwidth
[  5]   0.00-1.00   sec   743 MBytes  6.23 Gbits/sec                  
[  5]   1.00-2.00   sec  1.07 GBytes  9.23 Gbits/sec                  
[  5]   2.00-3.00   sec  1.08 GBytes  9.25 Gbits/sec                  
[  5]   3.00-4.00   sec  1.08 GBytes  9.27 Gbits/sec                  
[  5]   4.00-5.00   sec  1.08 GBytes  9.28 Gbits/sec                  

6. Network card speed

[root@slave01 ~]# ethtool eth0
        Supported link modes:   1000baseT/Full 
                                10000baseT/Full 
        Supported pause frame use: No
        Supports auto-negotiation: No
        Advertised link modes:  Not reported
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        Speed: 10000Mb/s

7. zabbix graphic trends

https://blog.csdn.net/aaa1050070637/article/details/53539713

8. Windows pressure measurement tool

http://blog.163.com/semar@126/blog/static/2323311620108205126230/