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Asked: 2026-06-14T10:01:25+00:00

Can I perform a UDP broadcast packets on my machine? I don’t have a

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Can I perform a UDP broadcast packets on my machine? I don’t have a network, i just have my cheap linux box. I want to have a server broadcasting a packet and two or more clients in the same machine receiving them. Is that possible? What IP do I use?

@gravyface gave me hope but I tried: 1) server sending to 127.255.255.255:54321 and clients listenting to 0.0.0.0:54321. 2) server sending to 127.255.255.255:54321 and clients listening to 127.0.0.1:54321. 3) server sending to 127.255.255.255:54321 and clients listening to 127.255.255.255:54321. None of them worked! 🙁

OBS: I am using REUSE_ADDR and SO_BROADCAST options.

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  1. Editorial Team

    I am able to confirm that 127.255.255.255 works on Linux (Ubuntu) and it does not work on Mac (Snow Leopard). If you ever find out how to do that on Mac let me know. 🙂

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