Re: [lwip-users] TCP client side problems using netconn api

[Kieran Mansley]

On Wed, 2009-04-15 at 00:10 -0400, Ben Bobbitt wrote:
> In a connection that isn’t going away properly – and results in a
> system that I can’t get usable without a reset:
> 
>  
> 
> Server  FIN, ACK   seq 433 ack 70
> 
> Client   ACK            seq 70   ack 433     < - note the ack # is ==
> seq prior
> 
> Client   FIN, ACK  seq 70  ack 434
> 
> Server ACK           seq 434 ack 71

I'm not sure what your problem is, but it's not the ACKs in the above
sequence: the "Client FIN, ACK" acknowledges the "Server FIN, ACK" even
though the "Client ACK" on its own didn't.

As you're able to get a wireshark capture of the problem I'd be
interested to take a look at the pcap.  

Kieran