Arduino and Local server comunication via LAN with router/switch

Using Arduino Networking, Protocols, and Devices
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I need to do a data exchange between an Arduino+Ethernet Shield(can be multiples) and a local serve in a LAN network via TCP in a WebServer. This should happen by a network with cables brokered by one switch/router and the server can either receive as send mensages to nodes. The image below show as this need to work.

INEED
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Any help, please?

Thanks :slight_smile:

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use the ArduinoHttpClient library over the Ethernet library.

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