LAPDm bug: How to exit LAPDm_STATE_TIMER_RECOV state

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Sylvain Munaut 246tnt at gmail.com
Mon Oct 25 08:12:42 UTC 2010


Hi,


> you are right. in case of an RR "response" (or an I frame) with the F
> bit set to "1", there is no clearing of the "timer recovery state". in
> other cases (RNR, REJ) it is handled.

Where did you see that an I-Frame with the F bit set should clear the
condition ?

I read this :

>> The timer recovery condition is only cleared if the data link layer
>> entity receives a valid supervisory frame response

and it only talks about supervisory frame, not I frames.

Cheers,

   Sylvain




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