Hi, I need some help with the configuration command to setup PAT, so that all users within my local network will use a single IP address out on the internet.
PAT is configured on Cisco IOS through what we call NAT overloading. I am going to point you to a link that shows how to configure NAT (including overload configurations). Go through the various examples paying particular attention to the one using 'overload' configuration. Let us know if you need any clarification along the way: