[En-Nut-Discussion] Webserver Image problem

[Dusan Ferbas]

Hi,

it seems that tcpsm.c v1.7 solved this problem. We no more observed lost FINs.

We tested 1 second refresh of an XML file via http GET.

Thanks Oliver

>This can be called also a 'TCP sockets and FIN/RST packets' problem.
>
>I have a tcpsm.c rev 1.6 with rentrasmition timer correction. But even 
>with this I encounter lost FIN.
>
>Somebody earlier suggested 120 sec renewal period. I need 5 seconds.
>
>The more packets are used for 1 html the more probable is FIN lost. In 
>this case TCP connection end looks like:
>Nut < -- > Windows XP Pro
>ACK, FIN ->             (Nut initiated socket close)
>         <- ACK
>         <- ACK, FIN
>missing FIN
>         <- ACK, FIN     (rexmitted after 2.4 sec)
>RST -> (it looks like socket has been closed and port no more exists)


Dusan