Renting your router is a waste of money - here's what to do instead

Your ISP may let you rent your router from them so you can get Internet access, but it may actually be way more money than you need to spend.
Ars Technica

Setting up multiple networks/subnets on a single router.

At work we have a DDNS server, a web server, and a switch with a dozen PCs connected to it. I'd like to set up the DDNS server on its own subnet (192.168.5.x), the web server on (192.168.10.x), and ...