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[lwip-users] strange TCP ack

From: yueyue papa
Subject: [lwip-users] strange TCP ack
Date: Tue, 27 Apr 2010 18:45:13 +0800

Hi All,

I meet a windows TCP/IP strange behavior. my vista echo server. 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.

1> Does anyone known why vista ack only 1024 data, although TSS is 1460.
2> Why lwIP resend data after 5s.  Where is the 5s comes from

Thank you


Attachment: 1400byteEcho-1.pcap
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