Program that Rene use to make topologies

Hi guys, sorry for my bad english. I have a doubt: What is the program that Rene uses to make topologies? The topologies are beautiful

Hello Washington

Rene uses Microsoft Visio to create the diagrams and he uses various stencils from Visiocafe at

For more info, take a look at the following discussion:

I hope this has been helpful!


Thank you my friend.
Congratulation for your great job!