Alternatively... sudo ifconfig en1 ether `openssl rand -hex 6 | sed 's/\(..\)/\1... | Hacker News

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jackgavigan on June 10, 2014 | parent | context | favorite | on: How to randomize your MAC address on OS X

Alternatively...

  sudo ifconfig en1 ether `openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//'`

Credit where it's due: http://osxdaily.com/2012/03/01/change-mac-address-os-x/

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