http://www.soundtraining.net/bookstore In this VPN tutorial video, author, speaker, and IT trainer Don R. Crawley demonstrates how to configure a site-to-site VPN between two Cisco routers. The demo is based on software version 12.4(15)T6 and uses IPSec, ISAKMP, tunnel-groups, Diffie-Hellman groups, and an access-list. The demo is based on the popular book "The Accidental Administrator: Cisco Router Step-by-Step Configuration Guide (http://bit.ly/buyandroidsamsung?0983660727) and includes a link where you can download a free copy of the configs and the network diagram.
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Watch more How to Set Up Internet videos: http://www.howcast.com/videos/499702-What-Is-VPN-Internet-Setup
So in this video I want to talk about VPN, or virtual private networking.
What VPN is used for is basically connecting an outside computer to an internal secure network. So for example, if you have an office and the office has a bunch of computers in it, printers, scanners, and mail server, a file server. And inside this office all these computers are exchanging information that are very sensitive. Information that you don't want exiting this office and going on the Internet. But, you still want to access this information from anywhere you are. Or maybe even if you have a second office, you want both of these offices to work as if they're on one network.
VPN is how you create that one network. When you set up a VPN, it will create an encrypted, secure connection from one location to another. This location can be just one desktop computer or it can be an entire network. And it'll allow you to access all the files and printers and scanners and mail just like you're there.
It's a very handy tool and it's used mostly by corporations, but it can really be used by anyone. There are a lot of free VPN solutions out there that use software, and of course there are more expensive hardware VPN solutions.
So if you're looking for a way to access your files from anywhere, but still do it in a secure manner, VPN is the way to go.
