Most probably checksum offloading... ffor outgoing packets the kernel
leaves checksum calculation to the interface hardware so what you have
in place of the checksum is undefined data.
On 3/13/06, paul.gilbride@xxxxxxx <paul.gilbride@xxxxxxx> wrote:
>
>
>
>
> Ethereal Support:
>
> I was wondering why I keep getting so many packets that have incorrect
> checksum? I am using the latest version of Ethereal. Is this normal, or
> should I be concerned? I see a lot of packets with incorrect checksum
> every time I run Ethereal. See the attached file.
>
> Thanks.
>
> (See attached file: EtherealCapture-Incorrect Checksum.doc)
>
> Paul Gilbride, CISSP
> CSIRC Technical Officer
> CSIRC, AIS-400.1
> (703) 771-3536 - Office
> (202) 309-1175 - Cell Phone
> Paul.Gilbride@xxxxxxx
>
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>
>
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