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使用 iperf 检测主机间网络带宽

使用 iperf 检测主机间网络带宽

参考资料:
https://blogs.oracle.com/mandalika/entry/measuring_network_bandwidth_using_iperf

背景介绍:
在调试网络时,经常需要检测两台主机间的最大带宽,我一直使用iperf命令,效果很好很准确,但发现有一些运维朋友并不知道有这个工具,于是打算写篇文章简单介绍一下。

具体操作:
操作系统:CentOS6.5 x86_64 Minimal
服务器:
192.168.10.11
192.168.10.12

[root@192.168.10.11 ~]# yum install http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
[root@192.168.10.11 ~]# yum install iperf

[root@192.168.10.12 ~]# yum install http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
[root@192.168.10.12 ~]# yum install iperf

[root@192.168.10.12 ~]# iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
http://linux.it.net.cn

[root@192.168.10.11 ~]# iperf -c 192.168.10.12
------------------------------------------------------------
Client connecting to 192.168.10.12, TCP port 5001
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.10.11 port 23351 connected with 192.168.10.12 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 744 MBytes 624 Mbits/sec

[root@192.168.10.12 ~]# iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.10.12 port 5001 connected with 192.168.10.11 port 23351
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.0 sec 744 MBytes 623 Mbits/sec



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