[lwip-users] strange udp sendto behaviour

[Massimo Zennaro]

 

Hello all,

 

I am using lwip 2.1.3 with NO_SYS=1 on a STM32H735AGI6 custom board with a LAN8720A

 

This happens when sending more than 1 mss but only with a client udp

 

In the following pictures 10.1.20.1 is the board with lwip (static address) and 10.1.20.254 is my pc

 

If I start an udp server on the board, all works fine:

 

 

But when the board is the client I get:

 

 

Can you help me?

Best regards

Massimo

 

Massimo Zennaro PROGETTISTI - SVILUPP. FIRMWARE massimo.zennaro@texa.com Diretto: +39 0422 791212 Mobile: Interno: 1212

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