Problems with Ad-Hoc Mode

Dan Williams dcbw at
Wed Feb 18 11:34:15 EST 2009

On Wed, 2009-02-18 at 10:30 -0500, Dave Kroetsch wrote:
> Dan,
> When I set it by hand it seems to stick to what I set it to.  I've 
> noticed, when the cards are in auto mode, they wind up to 54M.  When I 
> set the rate anywhere above 6M I see to have problems.  I've also seen 
> it work at 11M, but never faster.

Ok, apparently we need to set up rate adaptation or something.  You've
got firmware 5.0.x something, right?


> 	Dave
> Dan Williams wrote:
> >> 	- start continuous (not flood) pings from machine A to B
> >> 	- SCP a large file from A to B
> >>
> >> scp transfer rates start at a reasonable rate, about 300kB/s, and drop 
> >> to like 20kB/s and all of a sudden ping times run up to 500ms-1s.
> > 
> > Can you periodically run iwconfig and see what the rate it reports?  It
> > could be an issue with TX rate adaptation.  Just a thought.
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