Ethereal-users: RE: [Ethereal-users] CheckSum Errors

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From: "Craig Wicker" <CWicker@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 27 Jul 2006 13:39:20 -0400
http://wiki.wireshark.org/TCP_Checksum_Verification
 
This is an article about the checksum being incorrect.
 

Craig Wicker
Hooker Furniture Corp
Network Administrator
Ext 3020

 

From: ethereal-users-bounces@xxxxxxxxxxxx [mailto:ethereal-users-bounces@xxxxxxxxxxxx] On Behalf Of Dmitri Tsvetikov
Sent: Wednesday, June 28, 2006 11:44 AM
To: Ethereal user support
Subject: [Ethereal-users] CheckSum Errors

Dear Ethereal user and developers,

attached are captures of the same DICOM WorkList retrieval session taken from two machines:
Compaq nx9101 with NetGear FA312 Fast Ethernet PCI adapter and
A-Bit AL-8 with Broadcom NetXtreme Gigabit Ethernet Driver. XP SP2 on both machines. Ethereal version: ethereal-setup-1.1.0-SVN-18122.exe.
In the capture taken on the A-Bit machine all (except the first) packets sent from it have wrong checksums.
Capture taken from NX is fine and the DICOM WorkList retrieval is successful.
Similar tests with FTP transferes show same results.
What is wrong?

Best regards,
Dmitri Tsvetikov
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