[Voyage-linux] bandwidth asymmetry on 5GHz links as indicated by iperf

Edwin Whitelaw (spam-protected)
Tue Oct 23 21:07:30 HKT 2007


WRAP2 with PtP 5Ghz links using both CM9s and SR5s.  Voyage v0.2-0.4.1.  
All links infrastructure mode.

I'm observing significant bandwidth asymmetry when doing iperf tests on 
different links that runs from almost no difference based on direction 
to 80%/20% split.  Can someone point me to a discussion/solution on this 
or share their thoughts?  I haven't found anything either on this list 
or Google.

We set up an 18+ mi link yesterday and after adjusting the timeout vars 
got 2-3mbs one direction but 8-9mbs the other.

Any suggestions/thoguhts welcome.

Thanks,

Edwin

-- 
<=+=+=+==+=+=+==+=+=+=+=+=+=+=+=>
Edwin Whitelaw, P.E.
New River Valley Unwired, LLC
2200 Lonesome Dove Dr
Christiansburg, VA 24073
540-239-0318





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