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 --helpUsage: 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, --compatibilityfor use with older versions does not sent extra msgs -M, --mss# set TCP maximum segment size (MTU - 40 bytes) -N, --nodelayset TCP no delay, disabling Nagle's Algorithm -V, --IPv6Version Set the domain to IPv6Server specific: -s, --server run in server mode -D, --daemon run the server as a daemon -R, --remove remove servicein win32Client 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 -c239.0.0.67 -u--ttl5-t3600-b 1M -i1
• 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-B239.0.0.67 -i1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 --helpUsage: 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, --compatibilityfor use with older versions does not sent extra msgs -M, --mss# set TCP maximum segment size (MTU - 40 bytes) -N, --nodelayset TCP no delay, disabling Nagle's Algorithm -V, --IPv6Version Set the domain to IPv6Server specific: -s, --server run in server mode -D, --daemon run the server as a daemon -R, --remove remove servicein win32Client 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 -c239.0.0.67 -u--ttl5-t3600-b 1M -i1
• 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-B239.0.0.67 -i1服务端接收数据统计：