My WAN interface is Gi0/1/0, so it does matter in this case.  I may use the .20 network in a subinterface scenario. R

Thanks, very helpful!

Thanks! That seems to have it up and working.

The interfaces I'm using are Gi0/0 and Gi0/1/0 and I have NAT enabled on both.  From the router I can ping the Internet (www.yahoo.com) and I can ping my machine at 192.168.30.1.  The machine at 192.168.30.1 can ping the router at 192.168.20.187 but ...

show runBuilding configuration...Current configuration : 2596 bytes!! Last configuration change at 15:34:43 Central Tue Aug 29 2017!version 15.4service timestamps debug datetime msecservice timestamps log datetime msecservice password-encryption!host...