[En-Nut-Discussion] Problem with missing TCP Zerowindow / ACK

[Jesper Hansen]

I'm using a mega128 board with NutOS/NutNet to download files from a
standard Apache web-server.
Once in a while, the communication just stops after the first few
packages. I've traced this with Etherreal and it seems, that for some 
reason, NutNet suddenly does not respond to packages sent by the host.
There can ofcourse be a zillion reasons to that, driver issues etc, (I'm
using the AX77896), but it could also be a problem with the TCP stack.

See Etherreal dump below.

Any hints on what can cause this / where to look is much appreciated.

/Jesper



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