iperf 
teste sur ce serveur
./iperf -c 212.27.33.25 -w 221184 -i 5 -t 30 -r
Voici le résultat (cela ne test que l'upload) :
[root@localhost ~]# iperf -c 212.27.33.25 -w 221184 -i 5 -t 30 -r
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 256 KByte (WARNING: requested 216 KByte)
------------------------------------------------------------
------------------------------------------------------------
Client connecting to 212.27.33.25, TCP port 5001
TCP window size: 256 KByte (WARNING: requested 216 KByte)
------------------------------------------------------------
[ 4] local 192.168.64.128 port 56281 connected with 212.27.33.25 port 5001
[ 4] 0.0- 5.0 sec 888 KBytes 1.45 Mbits/sec
[ 4] 5.0-10.0 sec 624 KBytes 1.02 Mbits/sec
[ 4] 10.0-15.0 sec 632 KBytes 1.04 Mbits/sec
[ 4] 15.0-20.0 sec 624 KBytes 1.02 Mbits/sec
[ 4] 20.0-25.0 sec 624 KBytes 1.02 Mbits/sec
[ 4] 25.0-30.0 sec 704 KBytes 1.15 Mbits/sec
[ 4] 0.0-30.5 sec 4.01 MBytes 1.10 Mbits/sec