Mavericks and Failed ARP causing…: Apple Support Communities https://discussions.apple.com/thread/5483424?tstart=0
How do I Check DHCP Lease info in terminal – Ars Technica OpenForum http://arstechnica.com/civis/viewtopic.php?f=19&t=714937
networking – How can I release and renew my DHCP lease from Terminal? – Ask Different http://apple.stackexchange.com/questions/17401/how-can-i-release-and-renew-my-dhcp-lease-from-terminal