The customer had decided to build a hosting platform, but could only arrange for a single internet connection to that site due to location. However, all other hardware was duplicated for high availability. After considering the options the following diagram was prepared showing the first pass at the design. This was the Internet Connection (100Mb Ethernet) connected to the router, then connected to a switch, which was interconnected by trunk to a second switch. The first layer of firewalls is then connected.
I have been working on a VPN setup that loads the Group Policy from a CiscoSecure ACS server. During the process I discovered the test aaa-server command. Its very handy tool when you are doing this kind of stuff.
First, I read about what TunTap is at Wikipedia and VTUN Sourceforge. From what I read, TunTap was written for the VTUN project to specifically encapsulate Ethernet packets (TAP driver), whereas the TUN driver encapsulated IP packets. The driver is used by other popular software so it looks like it is here to stay. It […]
Is a Laptop a Hammer ? I always perceived that my laptop is a special type of toolkit, in the same way that a tradesman has his toolbox of hammers and screwdrivers, I had a laptop with Windows and various pieces of software that are my tools. A TFTP server, notepad for manipulating text files, […]