Protect your Computer from ARP poisoning

One of my blog's reader asked a question:How can I protect my computer from an ARP Poisoning Attack?For those of you who do not know what an ARP Poisoning Attack is I suggest you reading my article on How to Implement an ARP Poisoning Attack?.So I tested different software to see which one works the best to protect your computer from an ARP Poisoning attack I came across some excellent softwares