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Author Topic: GuruPlug wired network performance by iperf  (Read 2217 times)
dreamdreams
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« on: May 21, 2010, 11:21:28 PM »

Between my GuruPlug(2.6.34, Debian Lenny) and my mini desktop(Atom N270, 2G RAM, Atheros AR8131,2.6.34, ubuntu 10.04)

GuruPlug -> desktop
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-30.0 sec  2.43 GBytes    695 Mbits/sec

destktop -> GuruPlug
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0-30.0 sec  2.35 GBytes    673 Mbits/sec

I also tried using dd+netcat, but the result was kind of disappointing. Just about 18MBytes/s.
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fragfutter
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« Reply #1 on: May 22, 2010, 02:24:36 AM »

Your netcat test looks broken. As the guruplug uses the same phy for its network interfaces as the sheevaplug.

please try this

Code:
user@guru: nc -l -p 2000 >/dev/null
user@host: dd if=/dev/zero bs=4096 count=200000|nc guru 2000
819200000 bytes (819 MB) copied, 10.0561 s, 81.5 MB/s = 652Mbit/sec

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dreamdreams
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« Reply #2 on: May 28, 2010, 01:06:17 AM »

Changed MTU to 9500
I saw 814Mbits/sec from iperf. But only one way:
iperf -s on pc
iperf -c on plug

The other way the test just didn't go. Don't know why. Might check it tonight.
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Nightmonkey
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« Reply #3 on: June 12, 2010, 03:11:50 PM »

Perhaps a better stressor would be making a point-to-point single-cable GigE connection between the two ports on the GS+ and running iperf. If the plug can keep up with that test, and not show 100% CPU, then it should be able to handle more intensive network sniffing work. Like for a briding snort sniffer/firewall or content filtering device.
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