Are There Illegal MAC Addresses? Can They Cause Issues? or Are There Illegal MAC Addresses? What You

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Kinda surprised no one mentioned multicast MACs. They’re not illegal, but if you use one for a regular device, your network might freak out.

Like, 01:00:5E:xx:xx:xx is for multicast—try assigning that to your phone and see what happens lol.

Tools? macchanger on Linux is solid for testing. Just don’t blame me if your router yells at you.

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