As you can see, a pretty simple setup. Think of the two networks as two separate locations. The Serial WAN link would simulate going over an ISP connection. We have Network 1 (192.168.10.0) and Network 2 (192.168.20.0) routing data between each other using RIP (Routing Information Protocol).
Pictured below is the RIP table using the show ip rip database command:
(Originally posted on September 16th, 2015. Updated on December 29th, 2020)