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Altera_Forum
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21 years ago

Checksum Error LWIP

I am seeing checksum errors when using the cyclone development board (192.168.100.5) connected to a hub connected to my PC (192.168.100.5). The error seems to add a 1 sec delay before it move...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Which checksum is Ethereal detecting as wrong - The 'frame' checksum, or the TCP checksum ?

There was a known bug in the ethernet driver with bad TCP checksums on odd length packets which I reported on this forum a couple of months back - Search for "Checksum" - The thread was called something like "lanc911.c bug - and a fix".

- Roddy