[Prism54-users] ack & cts timeout and slottime for log distance links in prism54 driver

Luis R. Rodriguez mcgrof at ruslug.rutgers.edu
Wed Apr 6 04:59:48 UTC 2005


On Sun, Apr 03, 2005 at 06:44:02PM +0200, Ivan wrote:
> Hello!
> 
> In madwifi driver for atheros based cards, there is possibility to 
> change ack and cts timeout values, and slottime, according to distance 
> between transmitter and receiver. They recommend to adjust these values 
> for every link longer than 300 meters. I have a link of 2 kilometers, 
> and big trouble with performance with Intersil Frisbee card (in same 
> setup, acx100 based card works excellent, giving 500kB/s throughput and 
> very stable ping reply od about 2ms, but this is only b standard). Now 
> with Intersil Frisbee card ping is not stable, and speed.. shame to say 
> :-( Yes, at 1M bitrate.. for comparision, acx100 runs on 11M without any 
> problem.
> 
> Now, I wish to try some tweaking, to make link better if possible. First 
> thing, I would like to try adjust ack & cts timeouts, if that is 
> supported with this driver. Can someone put some light on these please? 
> If that doesn't help, then I would like to try do more troubleshooting 
> with your help, but first I would like to adjust these values if possible.

iwpriv eth1

	Luis

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