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sr #106959: Sending Reset in Established State, how to choose the seqno?

Submitter:  None
Submitted:  Tue 04 Aug 2009 03:19:01 AM UTC
   
 
Category:  None Priority:  5 - Normal
Severity:  3 - Normal Status:  Invalid
Privacy:  Public Assigned to:  Beuc
Originator Email:  -email is unavailable- Operating System:  None
Open/Closed:  Closed
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Tue 04 Aug 2009 06:02:34 AM UTC, comment #1: 

As explained in the support request submission form, this is the
support for Savannah administration, not for a project hosted
at Savannah.

Please address this request to the appropriate project tracker or
mailing-list.

Sylvain Beucler <Beuc>
Tue 04 Aug 2009 03:19:01 AM UTC, original submission:  

I have a problem in debuging lwip.
In my project, i will send Reset when i could not receive coresponding Ack within 4 minutes in establshed state.How can I choose the seqno of the Reset?
In the Code, I find that the seqno is pcb->snd_nxt. But I think because the segment do not receive its Ack, so the seqno of Reset should be the seqno of the segment last sent.

For example:
The segment have a seqno "100" and length "1000",so when it is sent, the snd_nxt should be 1100. In 4 minutes, I could not receive its Ack. I decide to send Reset. According to the Lwip code, the seqno of Reset is 1100. But I think it should be 100.

Need your help and Thanks very much!

Anonymous

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2009-08-04 Beuc StatusNone Invalid
        Assigned toNone Beuc
        Open/ClosedOpen Closed

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