iperf เป็น Application สำหรับวัดค่าต่างๆของเครือข่าย ได้แก่ Throughput , Jitter (Latency Variation) , Datagram loss , Bandwidth
option ที่ป้อนให้ มีความหมายดังนี้
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)
-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 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
ที่มา : IPERF - The Easy Tutorial
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