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Thank you! The best way to learn about buying and setting up a NAT router (so you can put all of your computers on the Internet from a single IP address) is to see the subject explained as a part of our entire networking series. When you click the "DVD" button below, you'll be taken directly to our storefront, where you can use your credit card or "PayPal" to purchase a comprehensive set of our "Networking Fundamentals" Episodes on DVD. We'll rush the disks directly to your shipping address, and you'll have the world's best, most convenient reference on Internet technology in a durable, well-organized format that will serve you for years and years. Whether you're a technologist, a consumer, developing a career in high tech sales, or training others, this is absolutely the best way to learn about sharing an Internet connection, traceroute, the Internet, and how to solve networking problems. You'll be the local expert on "How the Internet Works".