From: tauno.voipio@notused.fi.invalid   
      
   On 18.9.2024 5.24, Lars Poulsen wrote:   
   >   
   --- discussion snopped ---   
      
   > My DHCP server on that network has a list of known hosts (known by their   
   > MAX address) and what their IP address should be. Hence my annoyance   
   > when employees with iPhones have randomized MAC addresses.   
   >   
   The randomised MAC addresses of iPhones are from the 'locally   
   administered' MAC address ranges. The non-local non-multicast   
   addresses have a first octet of x0, x4, x8 or xc, where x is   
   any hex digit.   
      
   The locally administered addresses have a first octet of x2, x6,   
   xa or xe (like 76:f9:76:17:f6:4d, from my iPhone).   
      
   The iPhone MAC address fudging can be turned on/off for each network   
   separately, from the 'i' menu of the WiFi connection. Just tell your   
   folks to turn off the fudging for your network or stay outside.   
      
   --   
      
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