[Interest] Simple device discovery using UDP

Thiago Macieira thiago.macieira at intel.com
Tue Oct 2 19:21:35 CEST 2018


On Tuesday, 2 October 2018 06:43:39 PDT Jason H wrote:
> I have an app (Desktop) that I want it to know about other running instances
> on the local network. I figured UDP broadcast was a natural choice. I tried
> it, but I never saw anything but my own (local) packets. There's quite a
> few stackoverflow questions, but none used Qt. I'm wondering if it's a
> wifi/router thing?

It could be.

In a network problem, ALWAYS isolate whether the problem is the sender or the 
receiver. Please run a packet capture on both the sender and the receiver 
machines, letting us know whether the sender sent the packet and whether the 
receiver received it.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center






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