Messages in this thread | | | From | John Bradford <> | Subject | Re: Bad TCP checksums - can you solve the puzzle? | Date | Wed, 22 Jan 2003 10:42:26 +0000 (GMT) |
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> Network card is verified and working. IP checksums never fail (0 packets > lost after two days of flood ping). TCP works with same kernel, same NIC > but on a different machine (Athlon 950) as well as with same machine, > same NIC and Windows 98. Needless to say, it works with different > machine (PIII) and different OS (Win2k). > > Machine is verified, it has been working reliably for years. If, instead > of Tornado, I use a 3Com 3C509B (10Mbit EISA), the TCP works perfectly. > But if Tornado card was defective, TCP should also work with Via Rhine > (DFE-530TX) - but it DOESN'T. (However, drivers via-rhine and 3c59x I > believe were made by the same author, just in case that makes any sense)
Is the bus speed of the 486, and the other machine you tested the 3x905C-TX in the same? The 486 sounds like it has EISA and PCI busses - are you sure that the PCI bus is set to the correct clock speed?
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