Many administrators forget—or don't even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pros and cons ...

I know you need at least 12.2 for the 'ip address dhcp' command to be in. I ran into this previously. You shouldn't need IP Plus, but don't quote me on that.

You can access the DHCP console by selecting the DHCP command from the server’s Administrative Tools menu. When the console opens, the first thing that you will want to do is to create a new scope.