[SOLVED] re(4) incorrect checksum
Bernd Walter
ticso at cicely12.cicely.de
Thu Jan 11 12:11:57 UTC 2007
On Thu, Jan 11, 2007 at 11:51:51AM +0100, Pietro Cerutti wrote:
> Hi lists,
> ifconfig re0 -txcsum -rxcsum solved the problem....
>
> Anyway, is this a bug in the driver or in the interface itself?
That is how checksum offloading works.
tcpdump can't see a correct checksum, because it is not calculated
by the kernel and left for the hardware.
However checksum offloading is broken for re(4) based cards, therefor
it is disabled by default.
--
B.Walter http://www.bwct.de http://www.fizon.de
bernd at bwct.de info at bwct.de support at fizon.de
More information about the freebsd-questions
mailing list