problems with wpa2-psk (was No user traffic through wlan0)

Erich Titl erich.titl at think.ch
Sun Sep 18 16:13:57 EDT 2011


Hi Folks

here an update to my problem
...

>>
>> Now here is the catch....
>>
>> - I can associate fine with the AP
>> - DHCP assigns an address to wlan0 and installs a default route
> 
>> but...
>>
>> If I try to ping the WRT54GH I see arp requests going out which are
>> never replied to, therefore the packets will never be sent.
>>

If I set the AP to mode WPA-personal (meaning PSK :-( ) instead of
WPA2-personal, then the connection works fine.

> status
bssid=00:25:9c:09:aa:12
ssid=scoobly
id=0
pairwise_cipher=TKIP
group_cipher=TKIP
key_mgmt=WPA-PSK
wpa_state=COMPLETED
ip_address=192.168.217.100

STYX# ping 192.168.217.1
PING 192.168.217.1 (192.168.217.1): 56 data bytes
64 bytes from 192.168.217.1: seq=0 ttl=64 time=5.052 ms
64 bytes from 192.168.217.1: seq=1 ttl=64 time=2.396 ms
64 bytes from 192.168.217.1: seq=2 ttl=64 time=2.424 ms

there must be a glitch somewhere in either the AP's or wpasupplicants
WPA2 code. I can see in WPA2 that the association is renegotiated often.

cheers

Erich


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