Re: DTIM (Power Save Mode) w/ HostAP

On Friday 07 March 2003 09:50, Matt Peterson wrote:
> * Has anyone even tried it (I'm told this issue also applies to
> Lucent/Orinoco STA's with power save enabled too)? ;)

=09It does not work well. I have a lot of packet loss. It works well with=
 a=20
very good signal, but with a weak signal it looses most packets.

=09I guess this has something to do with the horrible problems I am=20
experiencing with an Airport Extreme card. I had to modify the driver so=20
that the AE card could associate, but with a moderate-to-weak signal=20
packets barely get through :-(

=09This test is done with the laptop in another building, using a wavegui=
de=20
"can" antenna.

=09Without power management,

--- zaphod.arnor.es ping statistics ---
52 packets transmitted, 49 packets received, 5% packet loss
round-trip min/avg/max/stddev =3D 3.317/4.656/9.253/1.536 ms

=09And with power management:

--- zaphod.arnor.es ping statistics ---
56 packets transmitted, 3 packets received, 94% packet loss
round-trip min/avg/max/stddev =3D 4.107/6.034/7.838/1.526 ms

=09My access point is a -STABLE with a D-Link DWL-650 card (Prism 2.5=20
version).

%uname -a
FreeBSD nenuial.arnor.es 4.8-PRERELEASE FreeBSD 4.8-PRERELEASE #0: Fri Fe=
b=20
28 18:38:59 CET 2003    =20
[email protected]:/usr/obj/usr/src/sys/NENUIAL  i386

=09(Well, actually it is now a 4.8-PRERELEASE)

wi0 at port 0x240-0x27f irq 11 slot 0 on pccard0
wi0: 802.11 address: 00:05:5d:5c:24:01
wi0: using RF:PRISM2.5 MAC:ISL3873
wi0: Intersil Firmware: Primary 1.00.07, Station 1.03.05

=09My laptop is running RELENG_4_7, and has a Lucent "silver" card.=20

FreeBSD zaphod.arnor.es 4.7-RELEASE-p2 FreeBSD 4.7-RELEASE-p2 #1: Wed Jan=
 =20
8 21:06:21 CET 2003     [email protected]:/usr/obj/usr/src/sys/ZAPHOD=
 =20
i386

wi0 at port 0x240-0x27f irq 4 slot 1 on pccard1
wi0: 802.11 address: 00:60:1d:f0:08:33
wi0: using Lucent Technologies, WaveLAN/IEEE
wi0: Lucent Firmware: Station 8.10.01


=09Borja.



=09
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