I have a few choice remarks about your question, but, I will be civil.
Configure your router to do what exactly?
-Connect LAN users to the internet? I am guessing this is what you are most likely trying to do, if yes, then refer to the FAQ link
»Cisco Forum FAQ
»Generic NAT configuration (RFC 1631)
-Is this a lab router you are trying to configure any commands you can think of?
-pretty much what exactly are you trying to achieve by configuring this router?