win ce station roam issue w/ RADIUS authentication

alan alan.schmitz
Mon Sep 28 07:14:50 PDT 2009

On Sat, 26 Sep 2009 19:38:56 +0300
Jouni Malinen <j at> wrote:

> On Fri, Sep 18, 2009 at 09:25:59AM -0600, alan wrote:
> > We are using 5 access points in a yard with mobile clients that connect
> > with RADIUS authentication.  There are periods where the roaming among
> > the access points works fine and then at times the client will try
> > roaming to a new access point and the authentication will time out.
> > Then the client will try to roam to a different access point rather
> > than the closest one with a better signal.  Attached is the log from
> > hostapd during the situation where it will not authenticate.
> As far as hostapd is concerned, everything seems to be working
> otherwise, but the supplicant stops replying to EAPOL messages during
> the authentication. There is not much that can be done in the
> authenticator in such a case. You would need to take a look at the
> client (supplicant) log and/or use a wireless sniffer to capture the
> frames exchanged between the devices.

Thank you for the follow-up.  I believed that to be the case but wasn't
sure.  We do have sniffer captures and believe it to be an rf issue w/

"In theory, there is no difference between theory and practice; In
practice, there is." -- Chuck Reid

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