Problem(s) with a Compaq WL200

Adrian McMenamin adrian at mcmen.demon.co.uk
Sun Dec 15 11:59:53 EST 2002


On Sunday 15 Dec 2002 4:49 pm, Jouni Malinen wrote:
> On Sun, Dec 15, 2002 at 04:35:47PM +0000, Adrian McMenamin wrote:
> > When the server boots the card appears to trip through ever lower tx bit
> > rits due to retry errors and then settles for the lowest (1 Mb/s). Even
> > then operation is poor (very poor) unless I set retry to zero - but there
> > are still huge numbers of errors:
>
> I'm assuming that you are using Compaq WL200 as the AP in Host AP mode.

Yes, sorry - I just assumed people would understand that bit! :->

> What card and driver are you using as the client that associates with
> this AP? 

On booting, nothing. The client is usually a Prism 2 in managed mode. But 
either way it is also impossible to reset the txrate.

I have seen such behavior when the associated station does not
> ACK frames even though it receives them correctly. This has happened
> with various Prism2/3-based cards running in Managed mode using Host AP
> driver. Card reset has often fixed the problem ('iwpriv wlan0 reset 0'
> or 'iwpriv wlan0 reset 1'), but not always. I haven't yet found out the
> real cause for this.




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