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Re: [lwip-users] Lwip client can't connect to another lwip server

From: Stephen Cowell
Subject: Re: [lwip-users] Lwip client can't connect to another lwip server
Date: Wed, 25 Nov 2020 12:46:27 -0600
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0

I find that Wireshark points to the problem usually.  If you don't understand the trace, show it here.

On 11/25/2020 11:47 AM, murat palaci wrote:

I have two boards that I developed using STM32F1 with PHY

I used standard tcp_echoclient and tcp_echoserver codes in lwip.

That two boards connect and accept all connections coming from PC via Hercules Software.

So there is no problem on my codes and hardware.

But when I want to connect tcp_echoclient to tcp_echoserver, tcp_echoserver does not accept the request coming from tcp_echoclient.

Client state shows SYN_SENT and
Server state shows nothing

But as I said the client and server can connect to the PC successfully

What can I do in this situation?



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