Multicast throughput limited

Bichot Guillaume (Princeton) BichotG at tce.com
Mon Nov 25 17:12:02 EST 2002


Thank you dave,

I've tried the iwpriv command to decrease the beacon period but I got the
following:
# iwpriv wlan0 prism2_param wlan0 dtim_period
# Interface doesn't accept private ioctl
# prism2_param (8BE0): Operation not supported

I'm using the following Linksys PCI WMP11, hostap-2002-09-12,
wireless-tools-25-1.

Do you know how can I get the AP firmware ?

Guilaume
-----Original Message-----
From: Dave Edwards [mailto:Dave.Edwards at abicom-international.com] 
Sent: Friday, November 22, 2002 6:36 PM
To: Bichot Guillaume (Princeton)
Cc: hostap at shmoo.com
Subject: Re: Multicast throughput limited


Hi  Guillaume,

I've seen the same thing with a PrismII card running in hostAP mode (not
using hostap code). I'm fairly sure that this is related to the card
firmware, as it appears that broadcast and multicast traffic are delayed
until the next beacon frame. The AP firmware has the ability to overcome
this limitation but the standard Station firmware does not.

If you try decreasing the period between frames, does the throughput
increase?

Hope this helps

Dave


Bichot Guillaume (Princeton) wrote:

Hi all, 
I've detected that multicast traffic is limited by the access point
(hostap-2002-09-12 + PCI Linksys WMP11). 
Does it come from the firmware or the driver ? 
Guillaume Bichot 
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