Iperf is a tool that can be used to determine the network bandwidth available between two end points. On one system you run iperf in server mode and on the other you run it in client mode. On both hosts iperf will report the available bandwidth. E.g., below is the output from a system running iperf in server mode:
[root@localhost install]# [ 4] local 192.168.18.44 port 5001 connected with 172.25.2.72 port 55990 [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.4 sec 3.00 MBytes 2.42 Mbits/sec
To install Iperf on a CentOS system with yum install iperf,
you may need to configure the system to use the Extra Packages for Enterprise
Linux (EPEL) repository, which you can do by issuing the command
yum install epel-release. A repository is a source for software
packages that can be installed with yum.
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