We are installing wireless, it is going to just be an extension of our current lan so people with laptops don't have to plugin..my question is.. we have all the equipment here.. is there anything else we need to do besides install it?

We are implementing pix to pix vpns so in case our t1 goes down it will go to our backup cable modem and create a pix to pix vpn connection..I want to learn how to work with this, so I can contribute.. my question is.. how do I do that? Where do I ...