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Re: [lwip-users] LWIP/STM32/Lan8720A - won't work with wifi bridge


From: Sergio R. Caprile
Subject: Re: [lwip-users] LWIP/STM32/Lan8720A - won't work with wifi bridge
Date: Fri, 13 May 2016 09:30:39 -0300
User-agent: Mozilla/5.0 (Windows NT 6.1; rv:38.0) Gecko/20100101 Thunderbird/38.7.2

On 11/05/2016 11:59 a.m., Sergio R. Caprile wrote:
Please post a capture file of the non-working scenario and I'll try to
help with the networking stuff.

Your device seems to be missing frames.
Checker whether they reach your device and are lost there or not. You have to make sure layer 1 is working before looking for failures at layer 8 (pun intended). Plug a hub so you can capture frames as seen by your device (unless you have a switch with monitor mode).

If frames don't arrive, well, try to see why...
If they do make it, check your driver and port.



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