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Taking Output from Ethernet Port

 
Nivedha Kalatharan
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Hi all, I am Nivedha, I am working on a RFID(Radio Frequency Identification) based application. The RFIDs are connected to a network switch.Data sent by the RFIDs are dumped on ethernet port.How Can I read data from ethernet port?
 
Paul Clapham
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An Ethernet port is a piece of hardware. It would be better for you to investigate the software implementation surrounding this device. Let us know what you find.

And, welcome to the Ranch!
 
Nivedha Kalatharan
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Hi,

Can i use Wireshark for this application. Have anyone used it? please provide some guidelines.
 
Ron McLeod
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Well, it depends on what your end goal is. Wireshark is a network traffic sniffer/analyser application. If you want to passively snoop on the traffic that this device is generating/consuming, then Wireshark would be a good tool for that. However, if you want to interact with the device, or intelligently monitor and react to traffic that you see, then you will need to write your own application.

Be aware that if the device, the current application which communicates with the device (or a path it), and your monitoring platform are interconnected with an Ethernet switch (not a bridging hub), you will not be able to see the traffic associated with the device unless your enable port mirroring or something similar on the switch. This type of feature is usually available with enterprise-class/carrier-class switches, but rarely with consumer-class switches.

If you can, elaborate on what you are hoping to do, and maybe give some information on the device you will be working with.
 
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