How to use iperf in Linux?

How to use iperf in Linux?

1. Install iperf. 

yum install iperf

2. now start the iperf server.

[root@ftpserver ~]# iperf -s

[root@ftpserver ~]# iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[  4] local <Server IP> port 5001 connected with Client IP port 53936
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0-12.4 sec  1.38 MBytes   927 Kbits/sec


3. Now connect the iperf server from iperf client.

[root@ftpclient ~]# iperf -c <Server IP>
------------------------------------------------------------
Client connecting to <Server IP>, TCP port 5001
TCP window size: 19.3 KByte (default)
------------------------------------------------------------
[  3] local Client IP port 53936 connected with <Server IP> port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-11.5 sec  1.38 MBytes  1.00 Mbits/sec
[root@ftpclient ~]#