How To Benchmark??
 

I want to benchmark my FTP server. I have dkftpbench to benchmark FTP server.but some error here:
root@server01:/home/dudulz# ./dkftpbench -n10 -h10.14.200.11 -uiard -p123123 -file1 -v -a0
Option values:
-h10.14.200.11 host name of ftp server
-P21 port number of ftp server
-n10 number of users
-c1 target number of simultaneous connection attempts
-k2 Start next connection when: 1=immediately, 2=after prev connect complete
-t0 length of run (in seconds)
-b3600 desired bandwidth (in bytes per second)
-B2700 min acceptable per-client bandwidth (in bytes per second)
-uiard user name
-p123123 user password
-file1 file to fetch
-m1500 bytes per 'packet'
-v1 verbosity
-sp selector (p=poll, s=select, d=/dev/poll, k=kqueue, r=rtsig, f=sig-per-fd)
-a0 use all local interfaces
Using poll()
1 users alive, 0 users dead; at least 0 seconds to end of test
2 users alive, 0 users dead; at least 0 seconds to end of test
robouser0::ftpCmdDone:GETTING: xerr 0, status 550, aborting
ftp_client_pipe_t::shutdown(): m_state 1, cfd 3, dfd -1, id 0
1 users alive, 1 users dead; at least 0 seconds to end of test
ftp_client_pipe_t::skedCallback: connect timeout, calling shutdown()
ftp_client_pipe_t::shutdown(): m_state 0, cfd 4, dfd -1, id 1
robouser1::ftpCmdDone: xerr 32, aborting
ftp_client_pipe_t::shutdown(): m_state 0, cfd -1, dfd -1, id 1
All users dead. Test failed.


I want to fetch file5 from FTP server. Please help my problem