Wireshark-users: Re: [Wireshark-users] TCP Checksum issues...
The checksum can be offloaded to hardware and not yet be applied for
the packets sent from the machine. This is done at least in Sun Sparc,
the checksum is 0 in these cases.
>From Wireshark 0.99.6 these packets are marked with "Checksum
offloaded" (but the default packet coloring still marks them as
failures).
/Gerhard
On Dec 12, 2007 6:57 PM, Richard Whittaker <RWHITTAKER@xxxxxxxx> wrote:
> Greetings:
>
> We've done a couple of rounds of network captures of serveral workstations, and have run into some significant "oddness"...
>
> In the first round of captures, on 6 of the 8 workstations there were in excess of 50% of all packets tagged at "TCP CHECKSUM INCORRECT"...
>
> Did some research, found the option to disable TCP checksumming, and re-ran the captures... We're getting the same results on the same workstations... Is this a badly configured network/workstation/driver?...
>
> Thanks,
> Richard.
>
>
> Richard Whittaker, CISSP
> Config Manager, Hardware and O/S
> NorthwesTel Inc.
> (867) 393-7756
> Temp number: (867) 668-5389
>
>
>
>
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>
--
Gerhard
The sender address really contains .nospam.
