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From: | Pietro Scandale |
Subject: | [lwip-users] Udp Echo Server Error |
Date: | Tue, 27 Jul 2021 15:58:25 +0000 |
Hello everybody, I have some problems with the udpecho example contained the lwip_2_1_2 folder:
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The echo server is correctly answer to UNICAST messages ·
The echo server does NOT answer to BROADCAST ( 255.255.255.255 ) messages:
after the first message, LWIP sends an ARP message asking for the MAC address of the sender. Then it echoes the UDP message, but after that it stops.
Do you know of any difference when answering to a unicast or broadcast message? Thank you, Pietro |
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