Test your network speed w/ Iperf
Install iperf
apt-get install iperf
Listen on machine #1
$ iperf -s -P 2 -i 5 -p 5999 -f M
Send packets on machine #2
iperf -c backupserv -P 1 -i 5 -p 5999 -f M -t 60 -T 1
Results:
————————————————————
Client connecting to backupserv, TCP port 5999
TCP window size: 0.02 MByte (default)
————————————————————
[ 3] local 192.168.1.5 port 49711 connected with 192.168.1.3 port 5999
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 5.0 sec 562 MBytes 112 MBytes/sec
[ 3] 5.0-10.0 sec 562 MBytes 112 MBytes/sec
[ 3] 10.0-15.0 sec 561 MBytes 112 MBytes/sec
[ 3] 15.0-20.0 sec 561 MBytes 112 MBytes/sec
[ 3] 20.0-25.0 sec 562 MBytes 112 MBytes/sec
[ 3] 25.0-30.0 sec 561 MBytes 112 MBytes/sec
[ 3] 30.0-35.0 sec 561 MBytes 112 MBytes/sec
[ 3] 35.0-40.0 sec 561 MBytes 112 MBytes/sec
[ 3] 40.0-45.0 sec 561 MBytes 112 MBytes/sec
[ 3] 45.0-50.0 sec 561 MBytes 112 MBytes/sec
^C[ 3] 0.0-50.8 sec 5707 MBytes 112 MBytes/sec