[sclug] Powerline adapters

[Alan Pope]

2009/11/11 Neil Haughton <haughtonomous at googlemail.com>:
> I thought you guys might be interested in my experiences with Powerline
> ethernet adapters.
>

I too have some of these. I'm using Devolo ones which I use to put
wifi access points in hard to reach places.

> According to the LED colour-code I am geting at least 20Mbps between PC and
> router (it could be as much as 85Mbps), which set against my 3.5Mbps average
> ADSL download speed is more than enough - but out of interest, how can I
> check the actual transfer speed between PC and router? Is the a Linux tool
> that wil do this for me?
>

There is, iperf. Run iperf -s on one end, and iperf -c on the other, thus:-

alan at wopr64:~$ iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------

revo at revo:~$ iperf -c 10.10.10.100
------------------------------------------------------------
Client connecting to 10.10.10.100, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[  3] local 10.10.10.124 port 47945 connected with 10.10.10.100 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  67.4 MBytes  56.5 Mbits/sec

Cheers,
Al.