**安装: **

[root@bogon ~]# rpm -ivh iperf3-3.1.3-1.fc24.x86_64.rpm 
Preparing...                          ################################# [100%]
Updating / installing...
   1:iperf3-3.1.3-1.fc24              ################################# [100%]
#查看
[root@bogon ~]# which iperf3
/usr/bin/iperf3
[root@bogon ~]# 
启动:
/usr/bin/iperf3
[root@bogon ~]# iperf3 -s
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------

客户端启动: C:\Users\lw\Downloads\iperf>iperf3 -c 172.31.00.88 Connecting to host 172.31.00.88, port 5201 [ 4] local 172.31.00.36 port 21848 connected to 172.31.00.88 port 5201 [ ID] Interval Transfer Bandwidth [ 4] 0.00-1.00 sec 7.88 MBytes 66.0 Mbits/sec [ 4] 1.00-2.00 sec 7.62 MBytes 64.0 Mbits/sec [ 4] 2.00-3.00 sec 7.62 MBytes 63.9 Mbits/sec [ 4] 3.00-4.00 sec 7.62 MBytes 64.0 Mbits/sec [ 4] 4.00-5.00 sec 7.62 MBytes 64.0 Mbits/sec [ 4] 5.00-6.00 sec 7.62 MBytes 63.9 Mbits/sec [ 4] 6.00-7.00 sec 7.62 MBytes 64.0 Mbits/sec [ 4] 7.00-8.00 sec 7.75 MBytes 65.0 Mbits/sec [ 4] 8.00-9.00 sec 7.62 MBytes 64.0 Mbits/sec [ 4] 9.00-10.00 sec 7.62 MBytes 64.0 Mbits/sec


[ ID] Interval Transfer Bandwidth [ 4] 0.00-10.00 sec 76.6 MBytes 64.3 Mbits/sec sender [ 4] 0.00-10.00 sec 76.6 MBytes 64.3 Mbits/sec receiver

iperf Done. 服务端显示

[root@bogon ~]# iperf3 -s

Server listening on 5201

Accepted connection from 172.31.00.36, port 21847 [ 5] local 172.31.00.88 port 5201 connected to 172.31.00.36 port 21848 [ ID] Interval Transfer Bandwidth [ 5] 0.00-1.00 sec 7.22 MBytes 60.6 Mbits/sec
[ 5] 1.00-2.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 2.00-3.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 3.00-4.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 4.00-5.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 5.00-6.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 6.00-7.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 7.00-8.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 8.00-9.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 9.00-10.00 sec 7.64 MBytes 64.1 Mbits/sec
[ 5] 10.00-10.08 sec 641 KBytes 64.0 Mbits/sec

[ ID] Interval Transfer Bandwidth

[ 5] 0.00-10.08 sec 0.00 Bytes 0.00 bits/sec sender [ 5] 0.00-10.08 sec 76.6 MBytes 63.8 Mbits/sec receiver

Server listening on 5201

说明: Interval :时间间隔 Transfer :转移
Bandwidth:带宽 目前:只有63.8M网络

帮助: ou have new mail in /var/spool/mail/root [root@bogon ~]# iperf3 -h Usage: iperf [-s|-c host] [options] iperf [-h|--help] [-v|--version]

Server or Client: -p, --port # server port to listen on/connect to -f, --format [kmgKMG] format to report: Kbits, Mbits, KBytes, MBytes -i, --interval # seconds between periodic bandwidth reports -F, --file name xmit/recv the specified file -A, --affinity n/n,m set CPU affinity -B, --bind <host> bind to a specific interface -V, --verbose more detailed output -J, --json output in JSON format --logfile f send output to a log file -d, --debug emit debugging output -v, --version show version information and quit -h, --help show this message and quit Server specific: -s, --server run in server mode -D, --daemon run the server as a daemon -I, --pidfile file write PID file -1, --one-off handle one client connection then exit Client specific: -c, --client <host> run in client mode, connecting to <host> -u, --udp use UDP rather than TCP -b, --bandwidth #[KMG][/#] target bandwidth in bits/sec (0 for unlimited) (default 1 Mbit/sec for UDP, unlimited for TCP) (optional slash and packet count for burst mode) -t, --time # time in seconds to transmit for (default 10 secs) -n, --bytes #[KMG] number of bytes to transmit (instead of -t) -k, --blockcount #[KMG] number of blocks (packets) to transmit (instead of -t or -n) -l, --len #[KMG] length of buffer to read or write (default 128 KB for TCP, 8 KB for UDP) --cport <port> bind to a specific client port (TCP and UDP, default: ephemeral port) -P, --parallel # number of parallel client streams to run -R, --reverse run in reverse mode (server sends, client receives) -w, --window #[KMG] set window size / socket buffer size -C, --congestion <algo> set TCP congestion control algorithm (Linux and FreeBSD only) -M, --set-mss # set TCP/SCTP maximum segment size (MTU - 40 bytes) -N, --no-delay set TCP/SCTP no delay, disabling Nagle's Algorithm -4, --version4 only use IPv4 -6, --version6 only use IPv6 -S, --tos N set the IP 'type of service' -L, --flowlabel N set the IPv6 flow label (only supported on Linux) -Z, --zerocopy use a 'zero copy' method of sending data -O, --omit N omit the first n seconds -T, --title str prefix every output line with this string --get-server-output get results from server --udp-counters-64bit use 64-bit counters in UDP test packets --no-fq-socket-pacing disable fair-queuing based socket pacing (Linux only)

[KMG] indicates options that support a K/M/G suffix for kilo-, mega-, or giga-

iperf3 homepage at: http://software.es.net/iperf/ Report bugs to: https://github.com/esnet/iperf You have new mail in /var/spool/mail/root [root@bogon ~]#