http://code.google.com/p/iperf-cygwin/downloads/list pobierz iperf
http://luxul.com/wp-content/documents/LUX-HT-iPerf.pdf
Opisy:
http://openmaniak.com/iperf.php opis
http://www.elektroda.pl/rtvforum/topic1930597.html: ^C[user@host ~]$ iperf -h 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 -U, --single_udp run in single threaded UDP mode -D, --daemon run the server as a daemon 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 receive bidirectional tests back on -P, --parallel # number of parallel client threads to run -T, --ttl # time-to-live, for multicast (default 1) -Z, --linux-congestion <algo> set TCP congestion control algorithm (Linux only) Miscellaneous: -x, --reportexclude [CDMSV] exclude C(connection) D(data) M(multicast) S(settings) V(server) reports -y, --reportstyle C report as a Comma-Separated Values -h, --help print this message and quit -v, --version print version information and quit [KM] Indicates options that support a K or M suffix for kilo- or mega- The TCP window size option can be set by the environment variable TCP_WINDOW_SIZE. Most other options can be set by an environment variable IPERF_<long option name>, such as IPERF_BANDWIDTH. Report bugs to <
Adres poczty elektronicznej jest chroniony przed robotami spamującymi. W przeglądarce musi być włączona obsługa JavaScript, żeby go zobaczyć.
> Na jednej z maszyn uruchamiasz serwer iperf -s A na drugiej maszynie iperf -c 129.168.1.10 -r -t 20 iperf -c 192.168.1.10 -d -t 20 oczywi?cie musisz sobie podstawi? w?a?ciwy Tobie adres IP prze??cznik -c oznacza klienta prze??cznik -r oznacza ?e tezt b?dzie rewersyjnie ; najpierw w jedn? stron? potem w drug? prze??cznik -d oznacza ?e test b?dzie wykonany z jednoczesn? transmisj? w obu kierunkach parametr -t definiuje czas transmisji (w przyk?adzie jest 20s domy?lnie jest 10) Do ??cza ADSL proponuj? -r A teraz obja?niam przyk?ad [user@host ~]$ iperf -c 192.168.25.85 -d -t 20 ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ ------------------------------------------------------------ Client connecting to 192.168.25.85, TCP port 5001 TCP window size: 26.9 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.255.11 port 54423 connected with 192.168.25.85 port 5001 [ 5] local 192.168.255.11 port 5001 connected with 192.168.25.85 port 34098 [ ID] Interval Transfer Bandwidth [ 3] 0.0-22.2 sec 22.4 MBytes 8.47 Mbits/sec [ 5] 0.0-26.4 sec 22.8 MBytes 7.22 Mbits/sec W tym przyk?adzie Transfer oznacza ilo?? przes?anych danych z pr?dko?ci? Bandwidth [3] oznacza upload [5] oznacza download lub odwrotnie tutaj nei pami?tam - sprawdzisz sobie tyle sam
przyk?ady:
http://www.youtube.com/watch?v=H_dvLKGue90
http://www.youtube.com/watch?v=EKZo8XCJl9A
http://www.youtube.com/watch?v=M_7OT4ugLIk graficzna wersja jperf
http://www.youtube.com/watch?v=mqpfxqSeASs
http://www.youtube.com/watch?v=ZZjW356PT-g UBUNTU
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