I am setting up a T1 and was provided with a diagram with the information. I was wondering if anyone had a config that I could use as an example. It includes S0/0, FA0/0, and modem interface. I am unsure how to setup the modem part. Also I am unsure as to why my FA0/0 interface would get a 12.x.x.x network for local LAN instead of a normal 192.x.x.x network.