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Re: [lwip-users] tcp_connection (no SYN packet on server side)


From: Sergio R. Caprile
Subject: Re: [lwip-users] tcp_connection (no SYN packet on server side)
Date: Tue, 5 Jun 2018 13:36:59 -0300
User-agent: Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Thunderbird/52.8.0

Yes, "ethernetif" is sort of the generic name used in the skeleton,
internals for a netif belong to the developer (that's the reason for my
'driveroutputfunction' comment on that line).
Well, if I'm not missing something important, it looks like you have a
problem on the driver/wire side. Try to find a good old Ethernet hub or
a modern switch with monitor capabilities to sniff what is going on in
the wire, if anything.

PS: Yes, I do have a couple spare hubs I did save for this reason...




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