include_length and EAP-TTLS

Alan DeKok aland at
Fri Dec 5 07:58:14 CET 2008

Gong Cheng wrote:
> I wonder if this is a small violation of the EAP-TTLS RFC (5281).
> In RFC 5281, it states:
> "  .... Fragments other than the first MUST NOT have the L
>    bit set. ...
> "
> while this behavior is configurable in eap.conf:
> I confess that I only actually SEE the behavior in the now ancient 1.1.6 version, and only took a quick look at the 2.1.0 config file and source code. I apologize if  I missed something or this had been brought up before.

  I don't think it's serious.  I don't know why this is a MUST NOT,
because it makes very little difference to the protocol.  And
supplicants that break if the L bit is set on second fragments are badly

  Alan DeKok.

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