This is an incredibly popular home network setup because: We’ll be using what’s known as LAN-to-WAN router cascading, where each router is on a separate subnet. This will work with any vpn-enabled router firmware, including DD-WRT, ASUSWRT (including Merlin), and Tomato.
This tutorial will teach you how to set up a dual-router configuration with a dedicated VPN router behind another router (the primary router).
