TTLS OSX Airport Connection Dropping

Terry Simons terry.simons at
Mon Jul 11 20:02:57 CEST 2011

It wouldn't hurt to file a bug at

What version of firmware does your e4200 have?

I have access to a unit that I can test with.

- Terry

On Mon, Jul 11, 2011 at 5:26 AM, Matt Hopkins <thematthopkins at> wrote:
> I have a setup with four Linksys E4200 wireless routers all sharing the same
> SSID.  All are configured to authenticate against the same freeradius server
> via WPA 2 enterprise.  I have freeradius (2.1.7) setup to authenticate
> against activedirectory using ntlm_auth via TTLS and mschap.  Android and
> iOS connect correctly with this setup.  Windows connects correctly as well,
> but is using PEAP instead of TTLS.  The problem occurs with OSX (running
> latest build - 10.6.8).
> When connecting via Airport, it connects, then the text "Authenticated via
> TTLS" briefly appears, then it switches back to saying "Authenticating..."
> During this time the wireless will remain connected for 2-3 hours, until it
> disconnects.  After that, Airport prompts for the wireless username /
> password again (even though these are supposed to be automatically
> remembered).
> Turning off / on airport always resolves the issue and gives another 2-3
> hours of connectivity.
> The error occurs in four macbook pro's tested.
> Thanks so much for any help!  If someone could point me in some direction,
> that would be great.
> The log containing the conversation between an OSX machine and freeradius is
> available at:
> -
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