freeRadius fails to authenticate the users

[Alan DeKok]

On Aug 2, 2019, at 2:35 PM, Niloofar Toorchi <niloofar at opennetworking.org> wrote:
> We are using freeRadius to authenticate 16 supplicants. The early ones get authorized but the last 3 or 4 ones get rejected corresponding the following logs in freeRadius:
> 
> Found Auth-Type = EAP
> # Executing group from file /etc/freeradius/sites-enabled/default
> +group authenticate {
> rlm_eap: No EAP session matching the State variable.
> [eap] Either EAP-request timed out OR EAP-response to an unknown EAP-request
> [eap] Failed in handler
> ++[eap] = invalid

  That's v2. :(  If it works, good.  If not... please upgrade to v3.

  This is likely not a RADIUS issue.  If the EAP session times out, it's because the supplicant is taking 30+ seconds between packets.  Which is stupid.

> Can any one help me to tackle this problem?

  Test with v3, which has much better debugging messages.

  Alan DeKok.