FTP test network throughput

ftp> put "|dd if=/dev/zero bs=64k count=100000" /dev/null
200 PORT command successful.
150 Opening data connection for /dev/null.
100000+0 records in.
100000+0 records out.
226 Transfer complete.
6553600000 bytes sent in 170.2 seconds (3.761e+04 Kbytes/s)
local: |dd if=/dev/zero bs=64k count=100000 remote: /dev/null