Re: [lwip-users] strange TCP ack

[Kieran Mansley]

On Tue, 2010-04-27 at 18:45 +0800, yueyue papa wrote:
> Hi All,
> 
> I meet a windows TCP/IP strange behavior.
> 
> 
> 192.168.8.130: my vista echo server.
> 
> 192.168.8.40: lwIP is running.
> 
> lwip  sends 1400 bytes to windows for echo, but windows ack 1025 (item 5)
> and then after 5s, lwIP resend the 1400 segment.  vista ack the 1401 data 
> again.

Have you attached the right packet capture?  The IP addresses don't
match the ones in your email, and I can't see either end ACKing 1024
bytes of a segment.  Perhaps, if it is the right packet capture, you can
mention which frames in the capture you think are odd?

Kieran