"I am facing an issue regarding handling multiple devices in Node-RED. How can I manage separate connections for each device, given that only the terminal number is provided in the login packet and not in the data

General
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I am use TCP in node to make connections for devices

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Hi and welcome to the forum.

Are you actually creating a custom node? Or is this a more general question? (If so, could you please change the category to "General" for us? Thanks).

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If you look at the complete msg (not just the msg.payload) - you should be able to see both a msg.ip and msg._sessionid properties that you should be able to use to tell them apart.

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