Internal airport card not working? (2.4.6-benh)

Under 2.4.6 on an iBook, I'm apparently having ARP problems with Airport...

When I try to ping other machines on the network, I can see the activity
lights on my base station and the target machines' ethernet ports, and the
other machines on my LAN see the airport card in their ARP cache, but the
laptop with the airport card doesn't get anything in its ARP cache.

When I snoop the traffic using tcpdump, all I see is a bunch of spurious ARP
who-has messages originating from the laptop, and is-at messages originating
from the target machines.


My setup:
    transparent bridging on base station
    static IP's for all devices on the network (192.168.1.*)
    laptop is 5 feet away from base station

-Jeremy


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Just following up on a month old problem...

As I discovered, the problem was that I had to explicitly turn off encryption
via iwconfig.  I don't know whether the problem is in the card's firmware
(which I haven't updated yet) or in the driver initialization, but the
airport card works great under 2.4.6, and of course under the latest kernel
- 2.4.9-benh0.

-Jeremy

p.s. from /etc/network/interfaces:

auto eth1
iface eth1 inet static
         address 192.168.1.13
         netmask 255.255.255.0
         network 192.168.1.0
         broadcast 192.168.1.255
         gateway 192.168.1.1
         up iwconfig eth1 key off
         up iwconfig eth1 essid "Apple Network xxxxxx"
         up iwconfig eth1 mode Managed


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