EAP challenge gets ignored with some clients

Alan DeKok aland at ox.org
Thu Aug 11 18:40:47 CEST 2005

Ian Chard <ian.chard at sers.ox.ac.uk> wrote:
> When a client fails to connect, the output of radiusd -X shows that
> the daemon sends the first EAP challenge, but never receives a reply
> (tcpdump on the OpenBSD box confirms this).  The symptoms are the same
> regardless of the type of client.

  If this is happening when all clients are on the same AP, then the
only conclusion is that the problem is related to the clients.

  SP2 has a stupid problem where it won't talk to non-MS RADIUS
servers.  There's a fix, though.

  Try doing tcpdump on the wireless side, to see what the traffic is there.

  Alan DeKok.

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