~ # ifconfig && /usr/local/bin/iperf -c 192.168.65.14 -r -l 64k -t 60 && ifconfig
eth0      Link encap:Ethernet  HWaddr 00:18:11:80:11:54  
          inet addr:192.168.65.16  Bcast:192.168.65.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:262020 errors:0 dropped:0 overruns:0 frame:0
          TX packets:245861 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:274144459 (261.4 MiB)  TX bytes:246355141 (234.9 MiB)
          Interrupt:27 Base address:0xe300 DMA chan:ff 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 42.7 KByte (default)
------------------------------------------------------------
------------------------------------------------------------
Client connecting to 192.168.65.14, TCP port 5001
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
[  6] local 192.168.65.16 port 4333 connected with 192.168.65.14 port 5001
[  6]  0.0-60.1 sec    102 MBytes  14.3 Mbits/sec
[  6] local 192.168.65.16 port 5001 connected with 192.168.65.14 port 56059
[  6]  0.0-60.1 sec    112 MBytes  15.7 Mbits/sec
eth0      Link encap:Ethernet  HWaddr 00:18:11:80:11:54  
          inet addr:192.168.65.16  Bcast:192.168.65.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:381120 errors:0 dropped:0 overruns:0 frame:0
          TX packets:361060 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:400253979 (381.7 MiB)  TX bytes:361387580 (344.6 MiB)
          Interrupt:27 Base address:0xe300 DMA chan:ff 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)