tcpbm : tcp benchmark send+receive

client usage: tcpbm [-v] [-4] [-6] [-a] [-N] [-b BLOCKSIZE ] [-P PROXY] [-s SECONDS] [-m MB[:MB]] SERVER[:PORT]
server usage: tcpbm [-v] [-b BLOCKSIZE ] -p PORT

options: -v              : verbose mode
         -4              : use IPv4
         -6              : use IPv6
         -a              : test all server IP addresses
         -N              : set TCP_NODELAY (disable Nagle's algorithm)
         -b BLOCKSIZE    : blocksize in kB (default 64)
         -s SECONDS      : number of seconds to test (default 10)
         -m MB[:MB]      : number of MBs to send [:receive]
         -P PROXY        : proxy SERVER:PORT
         -p PORT         : server port

argument: SERVER[:PORT] : server and port

examples: tcpbm flupp.belwue.de
          tcpbm -v -m 10:100 flupp.belwue.de

optional /etc/xinetd.d/tcpbm

service tcpbm
{
        socket_type             = stream
        wait                    = no
        type                    = unlisted
        protocol                = tcp
#       flags                   = IPv6
        port                    = 591
        cps                     = 10 2
        user                    = nobody
        groups                  = no
        server                  = /opt/local/bin/tcpbm
        nice                    = 0
        disable                 = no
}