Two of the most common forms of network address translation (NAT) are dynamic port address translation (PAT) and static NAT. PAT is the many-to-one form of NAT implemented in many small office and ...

Hey all. I'm doing a semi-educational exercise for myself, kind of as a proof of concept. I understand how to do what I'm trying to do in an overly elaborate 2 router setup, and I'm trying to condense ...

If you're running a small business with more than one computer, routers are usually a necessity. Routers provide small businesses with added security, a link between computer systems and extra ...

Here's the setup:<BR><BR><pre class="ip-ubbcode-code-pre">internet --> cisco router --> mail servers and barracuda email firewall</pre><BR>The addresses on each side ...

Previous articles (Part one, Part two) in this series on implementing VPN gateways using Cisco routers discussed the IPsec protocol and basic IPsec VPN connection models. Now we'll learn how to ...