iperf3命令使用

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1，iperf3安装iperf3下载：https://iperf.fr/iperf-download.php#fedora

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[iyunv@localhost home]# rpm -ivhiperf3-3.1.3-1.fc24.x86_64.rpm Preparing...                         ################################# [100%] Updating / installing...   1:iperf3-3.1.3-1.fc24             ################################# [100%]

2，常用几种命令服务器端：

1	[iyunv@localhost home]# iperf3 –s

客户端：

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[iyunv@localhost home]# iperf3 -c 192.168.0.222 Connecting to host 192.168.0.222, port 5201 [  4]local 192.168.0.221 port 47864 connected to 192.168.0.222 port 5201 [ ID] Interval           Transfer     Bandwidth       Retr Cwnd [ 4]   0.00-1.00   sec  639 MBytes  5.36 Gbits/sec   86   366 KBytes       [ 4]   1.00-2.00   sec  514 MBytes  4.31 Gbits/sec    0   393 KBytes       [  4]   2.00-3.00  sec   570 MBytes  4.78 Gbits/sec   16   301 KBytes       [ 4]   3.00-4.00   sec  605 MBytes  5.08 Gbits/sec    0   322 KBytes       [ 4]   4.00-5.00   sec  555 MBytes  4.65 Gbits/sec    0   334 KBytes       [ 4]   5.00-6.00   sec  581 MBytes  4.87 Gbits/sec    0   341 KBytes       ^C[ 4]   6.00-6.54   sec  284 MBytes  4.44 Gbits/sec    0   344 KBytes       - - - - - - - - - - - - - - - - - - - - - -- - - [ ID] Interval           Transfer     Bandwidth       Retr [ 4]   0.00-6.54   sec 3.66 GBytes  4.81 Gbits/sec  102             sender [ 4]   0.00-6.54   sec 0.00 Bytes  0.00 bits/sec                  receiver iperf3: interrupt - the client hasterminated

解释：
默认情况客户端使用TCP协议
-s：指明是服务器端
-c： 指明是客户端
192.168.0.222为服务端IP地址

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[iyunv@localhost home]# iperf3 -u -c 192.168.0.222 -b 100M Connecting to host 192.168.0.222, port 5201 warning: Unable to set socket pacing, usingapplication pacing instead [  4]local 192.168.0.221 port 46516 connected to 192.168.0.222 port 5201 [ ID] Interval           Transfer     Bandwidth       Total Datagrams [  4]  0.00-1.00   sec 10.8 MBytes  90.8 Mbits/sec  1386 [ 4]   1.00-2.00   sec 11.9 MBytes  99.7 Mbits/sec  1521 [ 4]   2.00-3.00   sec 11.9 MBytes   100 Mbits/sec  1526 [ 4]   3.00-4.00   sec 11.9 MBytes   100 Mbits/sec  1526 [ 4]   4.00-5.00   sec 11.9 MBytes   100 Mbits/sec  1528 ^C[ 4]   5.00-5.38   sec 4.75 MBytes   104 Mbits/sec  608 - - - - - - - - - - - - - - - - - - - - - -- - - [ ID] Interval           Transfer     Bandwidth       Jitter   Lost/Total Datagrams [ 4]   0.00-5.38   sec 63.2 MBytes  98.5 Mbits/sec  0.000 ms 0/8095 (0%) [  4]Sent 8095 datagrams iperf3: interrupt - the client hasterminated

解释：
-u：指定是udp报文
-b：指定发送带宽大小。

服务器端：

1	[iyunv@localhost home]# iperf3 -s -p 2480

客户端：

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[iyunv@localhost home]# iperf3 -u -c 192.168.0.222 -b 100M -p 2480 Connecting to host 192.168.0.222, port 2480 warning: Unable to set socket pacing, usingapplication pacing instead [  4]local 192.168.0.221 port 53812 connected to 192.168.0.222 port 2480 [ ID] Interval           Transfer     Bandwidth       Total Datagrams [ 4]   0.00-1.00   sec 10.8 MBytes  90.6 Mbits/sec  1383 [ 4]   1.00-2.00   sec 11.9 MBytes  99.9 Mbits/sec  1524 [ 4]   2.00-3.00   sec 11.9 MBytes  99.9 Mbits/sec  1524 [ 4]   3.00-4.00   sec 12.0 MBytes   100 Mbits/sec  1530 ^C[ 4]   4.00-4.06   sec 1.20 MBytes   167 Mbits/sec  154 - - - - - - - - - - - - - - - - - - - - - -- - - [ ID] Interval           Transfer     Bandwidth       Jitter   Lost/Total Datagrams [ 4]   0.00-4.06   sec 47.8 MBytes  98.7 Mbits/sec  0.000 ms 0/6115 (0%) [  4]Sent 6115 datagrams iperf3: interrupt - the client hasterminated

解释：
-p：指定端口

iperf3 –h 查看所有参数含义

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[iyunv@localhost home]# 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 bandwidthreports   -F,--file name           xmit/recv thespecified file   -A,--affinity n/n,m      set CPU affinity   -B,--bind      <host>    bind to a specific interface   -V,--verbose             more detailedoutput   -J,--json                output in JSONformat --logfile f               sendoutput to a log file   -d,--debug               emit debuggingoutput   -v,--version             show versioninformation and quit   -h,--help                show this messageand 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 clientconnection then exit Client specific:   -c,--client    <host>    run in client mode, connecting to<host>   -u,--udp                 use UDP rather thanTCP   -b,--bandwidth #[KMG][/#] target bandwidth in bits/sec (0 for unlimited)                             (default 1 Mbit/secfor UDP, unlimited for TCP)                             (optional slash andpacket 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 forTCP, 8 KB for UDP) --cport         <port>    bind to a specific client port (TCP andUDP, default: ephemeral port)   -P,--parallel  #         number of parallel client streams torun   -R,--reverse             run in reverse mode(server sends, client receives)   -w,--window    #[KMG]    set window size / socket buffer size   -C,--congestion <algo>   set TCPcongestion control algorithm (Linux and FreeBSD only)   -M,--set-mss   #         set TCP/SCTP maximum segment size (MTU- 40 bytes)   -N,--no-delay            set TCP/SCTP nodelay, disabling Nagle's Algorithm   -4,--version4            only use IPv4   -6,--version6            only use IPv6   -S,--tos N               set the IP 'type ofservice'   -L,--flowlabel N         set the IPv6 flowlabel (only supported on Linux)   -Z,--zerocopy            use a 'zero copy'method of sending data   -O,--omit N              omit the first nseconds   -T,--title str           prefix every outputline with this string --get-server-output       getresults from server --udp-counters-64bit      use64-bit counters in UDP test packets --no-fq-socket-pacing     disablefair-queuing based socket pacing                             (Linux only)    [KMG] indicates options that support aK/M/G suffix for kilo-, mega-, or giga-    iperf3 homepage at:http://software.es.net/iperf/ Report bugs to:     https://github.com/esnet/iperf