This article is a translation of my original post written in Italian by the end of 2008 and published on areanetworking.it. As you may know, my working experience and specialized studies have provided me with knowledge and skills in the analysis, implementation, optimization, troubleshooting and documentation of LAN/WAN network systems with strong “hands on” technical knowledge. However in that period I was programming only and it was a long time that I didn’t seriously configured a router. One of my old customers commissioned a configuration of three routers, one in the main office and other two in branches. It was for me something new and challenging because I never before configured fully mashed VPN connection so I wanted to get a bit further and configure also other aspects in a more detailed way. I checked my previous configurations an no one of them satisfied me completely. So I pulled down all the documentation I found and started studying. The following lines are the result of that. Lees verder »