EAPOL Key timeout

Kucherenko Valeriy darkside_ua at ukr.net
Sat Apr 2 09:57:25 EDT 2011


Great thanks!
The patch is helped me. GTK rekeing is working fine now. I have successfully applied it to the latest GIT snapshot.
Why don't you appy this patch to the hostapd mainline (mean hostad repo)?


> On Sat, Apr 02, 2011 at 03:17:22AM +0300, Kucherenko Valeriy wrote:
> > I'm using hostapd compiled from git and have a problem connecting to AP with Intel Centrino 6200AGN under Window 7. When the session is established the key negotiation works fine, but on next GTK rekey I always got EAPOL Key timeout that cause connection break. This loops again all the time.
> 
> Some Intel clients have been reported to be unable to receive EAPOL
> frames without QoS header in some cases and that may explain this issue.
> 
> > Today I have checked the hostapd git repo and found a commit from Jouni Malinen "Work around SNonce updates on EAPOL-Key 1/4 retransmission" that theoretically could fix this problem. I've make a build from this snapshot, but the problem still persist.
> 
> That is a completely separate issue.
> 
> Please try with this patch from OpenWRT in hostapd:
> http://w1.fi/p/730-nl80211_enable_qosdata.patch
> 
> It tries to work around this issue with Intel stations. Please let me
> know whether it resolves the issue you are seeing.
> 
> -- 
> Jouni Malinen PGP id EFC895FA
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> 


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