Re: IPv4 checksum errors

[Philip Gladstone]

Ricky Beam wrote:
> Could be, but there _is_ a bug somewhere in the Linux networking code.  I
> ran some rather difficult tests to see what was happening... The IP header
> is ok.  The actual TCP data is ok.  However, the IP header does not belong
> to that data segment.  And, it's not the network card as I've used several
> different cards from several manufacturers on different machines.

We also have been seeing this recently. Our suspicion is that it is a
router somewhere in the PSI network swapping IP headers. We see TCP
headers
inside IP headers with protocol=udp. 

Philip
-- 
Philip Gladstone                           [phone]
Raptor Systems, Waltham, MA         http://www.raptor.com/