[Trac #915] iperf/tcp fails between meshed xo's

Zarro Boogs per Child bugtracker at laptop.org
Thu Mar 1 18:05:19 EST 2007


#915: iperf/tcp fails between meshed xo's
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 Reporter:  jcardona  |        Owner:  marcelo 
     Type:  defect    |       Status:  assigned
 Priority:  high      |    Milestone:  BTest-3 
Component:  wireless  |   Resolution:          
 Keywords:            |  
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Comment (by rchokshi):

 I have tested the following:
 (1) Iperf server: OLPC with on board WiFi device.
     > iperf -s -u
 (2) Iperf client: OLPC with USB8388PN board attached to USB port.
     > iperf -c 192.168.2.10 -u     // send UDP packet for 10 seconds
 (3) Run iperf 3 times.
     (a) 1st time: client stopped in about 3.5 seconds.
         ping on both client/server still works.
         trace file: iperf_udp_70_to_e1
     (b) kill iperf client and run 2 more times.
     (c) 2nd and 3rd time: client complete without error.
         throughput: 1.05 mbps, lost rate about 3.5%
         trace file: iperf_udp_70_to_e1_ok
 So the test with USB8388PN board as client got better results then using
 on board WiFi device.

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Ticket URL: <http://dev.laptop.org/ticket/915#comment:5>
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