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Setting a static IP address significantly reduces the amount of time it takes for Shelly devices to connect to Wi-Fi and report. Below are steps to take while setting up Shelly products to ensure the best networking performance.  Whether extending battery life or simplifying setup for scripting,

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Shelly products work better and are more easily managed with a static IP address assigned.

Key Settings

Static IP Address – Without a static IP address, Shelly devices must connect to Wi-Fi, request an IP address, complete the IP assignment internally, and finally report. With a static IP address, it simply connects to Wi-Fi and reports. For battery-powered devices, this can improve battery performance. For powered devices, it still enables lower latency. To set a static IP address on a Shelly device,

  1. Open the Shelly Smart Control app.

  2. Tap the device.

  3. Tap the Networks icon.

  4. Tap Wi-Fi1.

  5. Tap the Set static IP address checkbox.

  6. Enter the IP address and tap Save.

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NOTE: Ensure that the assigned address is not already in use. If the IP address is in use, the device will be unreachable.

DHCP Range – It is recommended to set an IP address outside the DHCP range provided by the router. This eliminates the possibility of a device squatting on the IP address if the Shelly device goes offline.

Reservation –In the router’s settings, define a DHCP reservation for Shelly that matches the static IP address. This ensures that no other device connected to the router can get the IP address.

 

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 Other Networking Tips

 

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  •  Shelly products require a 2.4 GHz Wi-Fi connection.

  • If issues arise while discovering Shelly products during setup and both the 5 GHz and 2.4 GHz networks have the same name, try temporarily turning off 5 GHz until setup is complete.

  • While a dedicated network is typically recommended for IoT devices, it isn’t necessary for Shelly devices. The products have low broadband demands and can be disconnected from the optional Shelly Cloud service.

  • Shelly devices check time using Google NTP. However, another NTP server can be provided.

  • Shelly devices check for firmware updates at the address api.shelly.cloud. If that connection is blocked, the devices still function as expected, without an option or OTA firmware update.