You don't need a router. If you set the subnet mask on all of the PCs to be 255.255.0.0, then they should all be able to ping each other. Basically, opening up the subnet mask puts all of the PCs on ...

I'm trying to understand the end result of setting up the 'multiple subnets' function of our router. Here's what the help page says. Enabling multiple subnets (IPv4 only) Typically, a Cisco RV0xx ...