If you erase all content and settings or reset network settings on the device, your device uses a different private address the next time it connects to that network.In some cases, your device will change its private Wi-Fi address: This unique MAC address is your device's private Wi-Fi address, which it uses for that network only. Starting with iOS 14, iPadOS 14, and watchOS 7, your device improves privacy by using a different MAC address for each Wi-Fi network. This allows a kind of user tracking or profiling, and it applies to all devices on all Wi-Fi networks. If the device always uses the same Wi-Fi MAC address across all networks, network operators and other network observers can more easily relate that address to the device's network activity and location over time. Our Applications Engineering (technical support) group can look up that serial number to see what MAC address was assigned.To communicate with a Wi-Fi network, a device must identify itself to the network using a unique network address called a Media Access Control (MAC) address. The indirect method is to contact us at (or call 80) with the serial number from the unit. See screen shot for ping and arp examples. The response will be in hexadecimal and listed as Physical Address. (192.168.10.43 indicates the IP address of the unit so replace with the IP address of your unit).
In the command dialog enter the following: arp -a 192.168.10.43 In this case you can use it to get the MAC address back from the unit. Another useful utility is the "arp" function. From the command dialog you may be familiar with the "ping" function. From a PC (Windows) open a command dialog (cmd entered in the Start button 'Search program and files' box). The direct method requires that you know the IP address of the unit and have a physical Ethernet connection to the unit. The direct method and the indirect method.
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