First of all,I am not a router expert. But I get the drift of want you want.
The router you have is popular and does the job for a lot of people.
If getting Netflix over VPN is you priority, then you need to talk to the VPN people.
Virtual private network - Wikipedia What you want might be unlawful in some places. If so, this forum can not help you.
Is using VPN to watch Netflix illegal?
Using a VPN is not illegal. Downloading illegal content is. Illegal content is still illegal content at the end of the day. If you are using a VPN and downloading illegal content, then that is illegal, but it's not the use of a VPN that is illegal. -Google search.That is like saying it is not wrong to put the forbidden food in your mouth, just don't chew or shallow.