Wireshark · Wireshark-users: Re: [Wireshark-users] out going TCP packets indicates possible checksum error

[Guy Harris <guy@xxxxxxxxxxxx>]

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