Meraki says the randomized MAC stays the same for a given SSID: If an Apple user upgrades to iOS 14 and visits your location, their device will connect to the network with a randomized MAC address. This MAC address is different from the device MAC address, is SSID specific, and will remain the same for a given SSID. Source: https://documentation.meraki.com/General_Administration/Cross-Platform_Content/Meraki_and_iOS_14_MAC_Address_Randomization#:~:text=If%20an%20Apple%20user%20upgrades,same%20for%20a%20given%20SSID. It doesn't sound like the MAC is randomly changing hour to hour. Apple says: After the device successfully connects using a private address, that MAC address is used for future connections to that Wi-Fi network. Exceptions: Starting with iOS 15, iPadOS 15, and watchOS 8, if the device hasn’t joined the network in 6 weeks, it uses a different private address the next time it joins the network. If the device is made to forget the network, it will also forget the private address it used with that network, unless it has been less than 2 weeks since the last time it was made to forget that network. Source: https://support.apple.com/en-us/HT211949 Our clients are the same day in and out. We would see little if any visitor traffic.
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