How to set up a router as a VPN?

Question

VPN

Good afternoon, tell me please: I have a wr 841n router, this is a home router.
What configuration method exists to connect to it as a VPN PPTP, and after connecting to have the IP of this device?
From this IP, I was configured to access the farm settings, and in order not to reconfigure it to a new IP, is it possible to simply connect to this router as a VPN and get its IP. Those that all requests went from its IP.
Thank you!

Answer 1

a bit of searching