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On Fri, Feb 06, 2004 at 11:27:00AM -0600, David Young wrote:
> On Fri, Feb 06, 2004 at 08:22:40PM +1100, Daniel Carosone wrote:
> > Why is tcpdump an off switch for wi(4)?
>=20
> I know that through firmware revisions 1.4.9, Prism 2.5 cards do not do
> the RTS/CTS handshake properly when promiscuous mode is on.  Perhaps your
> client or AP has RTS/CTS enabled? See if there is any change when you
> run tcpdump with the -p option.

Indeed there is! It now continues to run at the expected rate.

wi0 at pcmcia0 function 0: NETGEAR MA401RA Wireless PC, Card, ISL37300PEval=
-RevA
wi0: 802.11 address 00:09:5b:23:43:f7
wi0: using RF:PRISM2.5 MAC:ISL3873B(PCMCIA)
wi0: Intersil Firmware: Primary (1.0.7), Station (1.3.6)
wi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps

I shall try and chase down a firmware upgrade for the card, and look
at the AP config for RTS/CTS as well.  Would that be on by default,
it's not something I recall changing.

Thanks for the info, David; very helpful as always!

--
Dan.

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