the question regarding udp broadcasting

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Hii all,
Can any one explain me how to discover a sony camera on my LAN - Network, using broadcasting principle in c++.

Posted 10-Mar-11 20:21pm

Himansu sekhar bal

Updated 10-Mar-11 20:43pm

Pravin Patil, Mumbai

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Kurt Degiorgio · Accepted Answer · 2011-03-10T20:59:00

Well at its most basic form you send a packet to every host and every host who is alive will reply back, but you cannot determine if device is a camera just by a broadcast, (i.e it will send the same packet as any other device who accepts broadcasts) in order to find out if the device is camera you need to check first if the camera supports SNMP, then you can use this protocol to identify the camera,if it doesn't you can try to capture the packets it is sending and dissect them to the application layer (it will probably send information about its self or at least the protocol its using)