Question : can you setup a vpn on 1 router or do you do it on two different ones?
My understanding is that you setup the vpn on one router and then anyone can connect?
vpn router

Best answer:

Answer by Adnan Ansari
yes you are correct.

VPN router should be configured to allow clients to connect to it.

if you are working on user connecting to VPN site, you would require to configure a router with VPN.