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thesauri/change-mac-address-monterey.md

Created February 22, 2022 15:38
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Change MAC address macOS 12 Monterey
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change-mac-address-monterey.md

Change MAC address in macOS Monterey

I was unable to change the MAC address of the Wi-FI device on a MacBook Air (M1 2020) running macOS Monterey due to the following error: ifconfig: ioctl (SIOCAIFADDR): Can't assign requested addres.

By running the commands in following sequence I was able to change it successfully:

  1. Turn WiFi device off
  2. Turn the WiFi device on again: networksetup -setairportpower en0 on
  3. Change the MAC: ifconfig en0 ether <mac-address-here>
  4. Run: networksetup -detectnewhardware
@mbierman
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@phush0 if you are referring to the script I posted, let's move the discussion there. If not, please ignore. :)

@Wafeeqrox
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config: ioctl (SIOCAIFADDR): permission denied what does this mean?

@Nsure45
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Nsure45 commented May 11, 2024

If you change en0 to en1 I noticed it bypasses things such as Internet parental controls. But if you use en0 it doesn't work. Is this because en0 is the ethernet Mac address and en1 is the WIFI MAC address?

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