CVS -C switch

jbreeden at plumhall.com jbreeden at plumhall.com
Fri Jan 10 16:58:33 EST 2003


\> Is the host that is running hostapd with -C option in Master mode? Does it
> show anything strange in the hostapd debug?
>

Jouni, thanks for the quick response, and yes hostapd -C is in master mode.

Tried a few more tings today, first updated my CVS to today and tried
connecting hostapd -C to a Dlink 900AP with a number of sta versions, this is
what I got:
sta 0.7.6 - connected
sta 1.3.6 - would not connect
sta 1.4.9 - would not connect
sta 1.5.6 - connected

What I mean by connected is the log message "Associated (as station) with AP
00:05:5d:25:d5:db (aid=0)" after hostapd -C <hwdaddr> wlan0 is fired off.
as soon as the first data pdu (ping) issent, I get a deauthenticate an all
cases (0.7.6 and 1.5.6). This same behavior happens if hostapd -C is talking
to the Dlink or another hostapd runnimg in Master.
The logs on hostapd -C talking to the dlink shows a couple of things, one is:

handle_auth_cb: STA 00:05:5d:25:d5:db not found

and the other is:

unknown mgmt cb frame subtype 0

Both of these messages show up connecting to both the dlink and hostap. Unique
to the dlink is the following:
Association (as station) with AP 00:05:5d:25:d5:db failed (status_code=10)

followed by a successful association.

The full log (hostapd client in Master connecting to dlink):

Using interface wlan0ap with hwaddr 00:90:d1:07:27:1c and ssid 'test'
Flushing old station entries
Deauthenticate all stations
Authenticate with AP 00:05:5d:25:d5:db SSID=fuzzy2 (as station)
handle_auth_cb: STA 00:05:5d:25:d5:db not found
Authenticated (as station) with AP 00:05:5d:25:d5:db
Associate with AP 00:05:5d:25:d5:db SSID=fuzzy2 (as station)
unknown mgmt cb frame subtype 0
Association (as station) with AP 00:05:5d:25:d5:db failed (status_code=10)
Associated (as station) with AP 00:05:5d:25:d5:db (aid=0)

** first pdu (ping) sent from this client to dlink) **

Station 00:05:5d:25:d5:db trying to disassociate, but it is not associated.
Station 00:05:5d:25:d5:db trying to disassociate, but it is not associated.
...

The same with -d flag:

Opening raw packet socket for ifindex 4
Using interface wlan0ap with hwaddr 00:90:d1:07:27:1c and ssid 'test'
Flushing old station entries
Deauthenticate all stations
MGMT
mgmt::beacon
Authenticate with AP 00:05:5d:25:d5:db SSID=fuzzy2 (as station)
Beacon from 00:05:5d:25:d5:db SSID='fuzzy2' CHAN=3
Received 30 bytes management frame
  dump: b2 00 02 01 00 05 5d 25 d5 db 00 90 d1 07 27 1c 00 05 5d 25 d5 db 10
  89 00 00 01 00 00 00MGMT (TX callback) ACK
mgmt::auth cb
handle_auth_cb: STA 00:05:5d:25:d5:db not found
Received 30 bytes management frame
  dump: b0 00 d5 00 00 90 d1 07 27 1c 00 05 5d 25 d5 db 00 05 5d 25 d5 db b0
  c1 00 00 02 00 00 00MGMT
mgmt::auth
authentication: STA=00:05:5d:25:d5:db auth_alg=0 auth_transaction=2 status_code=0
Authenticated (as station) with AP 00:05:5d:25:d5:db
Associate with AP 00:05:5d:25:d5:db SSID=fuzzy2 (as station)
Received 42 bytes management frame
  dump: 02 00 02 01 00 05 5d 25 d5 db 00 90 d1 07 27 1c 00 05 5d 25 d5 db 20
  89 00 00 01 00 00 06 66 75 7a 7a 79 32 01 04 82 84 0b 16MGMT (TX callback) ACK
unknown mgmt cb frame subtype 0
Received 36 bytes management frame
  dump: 10 00 d5 00 00 90 d1 07 27 1c 00 05 5d 25 d5 db 00 05 5d 25 d5 db c0
  c1 01 00 0a 00 00 00 01 04 02 04 0b 96MGMT
mgmt::assoc_resp
Association (as station) with AP 00:05:5d:25:d5:db failed (status_code=10)
Associated (as station) with AP 00:05:5d:25:d5:db (aid=0)
...

You are right, it's a fireware issue. the first time I set it up it worked. I
was using cards with verious older sta versions, Some cards worked, others
didn't. In a flash of brillance I re-flashed them all to 1.4.9. Yep, you're
right - I don't know what those "older versions" where :-) duh...
When it worked, it was great - far better thruput than I was getting with WDS.
BTW, it's the same trick pre Cisco Aironet used on their old 350 APs.
-- 
John R. Breeden
jbreeden at plumhall.com
Kailua-Kona, Hawaii

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