iperf测试时 write1 failed: Broken pipe 错误

测试环境：CentOS6.5两台测试机

测试命令：iperf -s

                  iperf -c 192.168.1.111  -P 30 -t 60

错误提示：

[root@tc ~]# iperf -c 192.168.1.111  -P 30 -t 60

connect failed: No route to host

connect failed: No route to host

write1 failed: Broken pipe

write1 failed: Broken pipe

write2 failed: Connection refused

[ 16]  0.0- 2.0 sec  1.19 MBytes  4.97 Mbits/sec

[ 16] Sent 846 datagrams

[  4] WARNING: did not receive ack of last datagram after 10 tries.

错误原因：测试时需要关闭防火墙

service iptables stop 关闭防火墙即可。