工具：组播测试工具iperf

介绍

windows下测试局域网下，两台终端的组播通信是否正常，验证组播的丢包情况。

官方下载地址：https://iperf.fr/iperf-download.php

下载版本：iperf-1.7.0-win32

注意：iperf2 iperf3 都不支持 udp组播测试

使用

测试组播的丢包情况（iperf2 iperf3 都不支持 udp组播测试），建议开启测试后，关闭防火墙测试。

• 参数说明

  c:\users\administrator\downloads\iperf-1.7.0-win32 (1)>iperf --help
  usage: iperf [-s|-c host] [options]
         iperf [-h|--help] [-v|--version]
  
  client/server:
    -f, --format    [kmkm]   format to report: kbits, mbits, kbytes, mbytes
    -i, --interval  #        seconds between periodic bandwidth reports
    -l, --len       #[km]    length of buffer to read or write (default 8 kb)
    -m, --print_mss          print tcp maximum segment size (mtu - tcp/ip header)
    -o, --output    <filename> output the report or error message to this specified file
    -p, --port      #        server port to listen on/connect to
    -u, --udp                use udp rather than tcp
    -w, --window    #[km]    tcp window size (socket buffer size)
    -b, --bind      <host>   bind to <host>, an interface or multicast address
    -c, --compatibility      for use with older versions does not sent extra msgs
    -m, --mss       #        set tcp maximum segment size (mtu - 40 bytes)
    -n, --nodelay            set tcp no delay, disabling nagle's algorithm
    -v, --ipv6version        set the domain to ipv6
  
  server specific:
    -s, --server             run in server mode
    -d, --daemon             run the server as a daemon
    -r, --remove             remove service in win32
  
  client specific:
    -b, --bandwidth #[km]    for udp, bandwidth to send at in bits/sec
                             (default 1 mbit/sec, implies -u)
    -c, --client    <host>   run in client mode, connecting to <host>
    -d, --dualtest           do a bidirectional test simultaneously
    -n, --num       #[km]    number of bytes to transmit (instead of -t)
    -r, --tradeoff           do a bidirectional test individually
    -t, --time      #        time in seconds to transmit for (default 10 secs)
    -f, --fileinput <name>   input the data to be transmitted from a file
    -i, --stdin              input the data to be transmitted from stdin
    -l, --listenport #       port to recieve bidirectional tests back on
    -p, --parallel  #        number of parallel client threads to run
    -t, --ttl       #        time-to-live, for multicast (default 1)
  
  miscellaneous:
    -h, --help               print this message and quit
    -v, --version            print version information and quit
  

• 客户端发送组播包

  # -c 客户端模式，指定服务端地址
  # -u 使用udp
  # -t 发送时间
  # -b 发送速率
  # -i 报告间隔时间
  iperf -c 239.0.0.67 -u --ttl 5 -t 3600 -b 1m -i 1
  

• 服务端接收组播包

  # -s 服务端模式运行
  # -u 使用udp
  # -b 绑定组播地址
  # -i 报告间隔时间
  iperf -s -u -b 239.0.0.67 -i 1
  

  服务端接收数据统计：

介绍

windows下测试局域网下，两台终端的组播通信是否正常，验证组播的丢包情况。

官方下载地址：https://iperf.fr/iperf-download.php

下载版本：iperf-1.7.0-win32

注意：iperf2 iperf3 都不支持 udp组播测试

使用

测试组播的丢包情况（iperf2 iperf3 都不支持 udp组播测试），建议开启测试后，关闭防火墙测试。

• 参数说明

  c:\users\administrator\downloads\iperf-1.7.0-win32 (1)>iperf --help
  usage: iperf [-s|-c host] [options]
         iperf [-h|--help] [-v|--version]
  
  client/server:
    -f, --format    [kmkm]   format to report: kbits, mbits, kbytes, mbytes
    -i, --interval  #        seconds between periodic bandwidth reports
    -l, --len       #[km]    length of buffer to read or write (default 8 kb)
    -m, --print_mss          print tcp maximum segment size (mtu - tcp/ip header)
    -o, --output    <filename> output the report or error message to this specified file
    -p, --port      #        server port to listen on/connect to
    -u, --udp                use udp rather than tcp
    -w, --window    #[km]    tcp window size (socket buffer size)
    -b, --bind      <host>   bind to <host>, an interface or multicast address
    -c, --compatibility      for use with older versions does not sent extra msgs
    -m, --mss       #        set tcp maximum segment size (mtu - 40 bytes)
    -n, --nodelay            set tcp no delay, disabling nagle's algorithm
    -v, --ipv6version        set the domain to ipv6
  
  server specific:
    -s, --server             run in server mode
    -d, --daemon             run the server as a daemon
    -r, --remove             remove service in win32
  
  client specific:
    -b, --bandwidth #[km]    for udp, bandwidth to send at in bits/sec
                             (default 1 mbit/sec, implies -u)
    -c, --client    <host>   run in client mode, connecting to <host>
    -d, --dualtest           do a bidirectional test simultaneously
    -n, --num       #[km]    number of bytes to transmit (instead of -t)
    -r, --tradeoff           do a bidirectional test individually
    -t, --time      #        time in seconds to transmit for (default 10 secs)
    -f, --fileinput <name>   input the data to be transmitted from a file
    -i, --stdin              input the data to be transmitted from stdin
    -l, --listenport #       port to recieve bidirectional tests back on
    -p, --parallel  #        number of parallel client threads to run
    -t, --ttl       #        time-to-live, for multicast (default 1)
  
  miscellaneous:
    -h, --help               print this message and quit
    -v, --version            print version information and quit
  

• 客户端发送组播包

  # -c 客户端模式，指定服务端地址
  # -u 使用udp
  # -t 发送时间
  # -b 发送速率
  # -i 报告间隔时间
  iperf -c 239.0.0.67 -u --ttl 5 -t 3600 -b 1m -i 1
  

• 服务端接收组播包

  # -s 服务端模式运行
  # -u 使用udp
  # -b 绑定组播地址
  # -i 报告间隔时间
  iperf -s -u -b 239.0.0.67 -i 1
  

  服务端接收数据统计：