Hostapd with WPA(1/2): Station cannot send packets to access point
Bertold Van den Bergh
vandenbergh at bertold.org
Fri Aug 13 12:08:52 EDT 2010
I am trying to set up an accesspoint using hostapd. The wireless device is
made by ralink, rt73usb driver (latest compat wireless did not fix problem).
Linux aphrodite 2.6.31-22-generic #60-Ubuntu SMP Thu May 27 00:22:23 UTC
2010 i686 GNU/Linux
When I set up a network using hostapd stations see the network, and can
connect properly. If WPA (1 or 2, PSK or EAP, TKIP or CCMP) is enabled the
stations see traffic sent from the AP to them, but the AP does not see any
traffic send by a station. Using WEP or no encryption works perfectly and
very stable. I tried the latest development version of hostapd (0.7.2)
It am trying to bridge the wireless interface to a lan network, but the
problem also occurs without the bridging.
My hostapd conf (without the comments):
I tried to connect to this setup using a netbook with ath9k wireless and wpa
supplicant and a windows mobile phone. Both devices can see AP->STA but
can't send anything to the AP. Running tcpdump on the AP shows only EAPOL
packets. (Both broadcast and single-cast packets get dropped)
Running the same config on an atheros based wifi device (using ath9k, not
madwifi) does not work either (Sta can send to AP, but cant see things
transmitted by the ap, the opposite of the problem above).
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