K 10 svn:author V 3 yar K 8 svn:date V 27 2004-01-21T23:32:50.000000Z K 7 svn:log V 250 As I've been pointed out by Andrew Gallatin, there are some network interface cards smart (or twisted?) enough to be able to calculate a TCP/UDP checksum for a packet fragmented by the host CPU. Therefore the paragraph on the case has been revised. END