Wireshark-users: Re: [Wireshark-users] out going TCP packets indicates possible checksum error
From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Sat, 28 Mar 2009 11:51:45 -0700

On Mar 28, 2009, at 11:44 AM, Terry Martin wrote:

From either place I look I always see this type of message:

16 6.591681 207.183.166.169 67.208.107.244 TCP health-polling > 48009 [ACK] Seq=1 Ack=1 Win=65535 [TCP CHECKSUM INCORRECT] Len=0

It is always the packet coming from the host I am collecting from. I see it on the server and the client.

Is this saying the packet has a problem when it leaves?

Not necessarily:

	http://www.wireshark.org/faq.html#q11.1