Note: Don’t use the serial number next to 802.15.4 MAC. You’ll see the MAC address next to MAC or Wi-Fi MAC. Select the product that you want to view.Tap Settings in the top right corner of the Nest app home screen.You can find the MAC address for your Nest products in the Nest or Home app as long as they’re connected to Wi-Fi and appear in either app. Always back up your router’s settings before changing anything. Be aware of how these changes will affect your network. Important: Only change router or network settings if you are authorized to do so. Once you’ve added your Nest product’s MAC address to the whitelist, you should be able to finish setup. Since Wi-Fi router software varies so widely, check your router’s documentation to see how to add new devices to the whitelist. If you're connecting to a home network, you can find and edit the whitelist in your router’s settings.This is also known as adding it to the whitelist. You’ll need to know the MAC address for your Nest product so the IT administrator can unblock it. If you're connecting to a business network, but you’re having trouble, your IT administrator may have enabled MAC filtering.Connect to a network with MAC address filteringĪll Nest products can connect to networks that have MAC address filtering enabled, but the MAC address must be added to the network’s whitelist. Many businesses use MAC filtering on their networks, but some home networks do as well. MAC filtering is used as a security measure to prevent any unknown devices from joining the network. If you’re having trouble getting your Nest product to connect to your network, you may need to add its MAC address to your router’s whitelist. Like computers and other devices that connect to Wi-Fi, each of your Nest products has its own MAC address: a unique combination of letters and numbers a device uses to identify itself on a Wi-Fi network.

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