On Mon, 13 May 2002, David Greenman-Lawrence wrote:

> >David Greenman-Lawrence wrote:
> >> >If you aren't using VLAN tagging, you shouldn't care.
> >> 
> >>    No, that is absolutely not correct. The checksum problems happend in many
> >> situations, depending on the chipset and other factors. The problem that
> >> resulted in the commit to disable the receive hardware checksum was caused
> >> by small packets with certain byte patterns, NOT VLAN ENCAPSULATION.
> >
> >Are you sure you are talking about the Tigon III, and not the Tigon II?
> 
>    Yes, of course. I'm talking specifically about the Broadcom BCM570x. My
> particular experiance was with the Syskonnect 9D21 and 9D41 boards which
> both use the Altima chip.

I have seen checksum problems with the 5700 ...

Can you tell me which steppings of the 5701 you are seeing the problems 
with? Is it with 1500-byte frames, jumbo frames, or both?

Regards
-----
Richard Sharpe, [EMAIL PROTECTED], [EMAIL PROTECTED], 
[EMAIL PROTECTED]


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