I am in UK using an EE sim. Can I set the router to use a specific WAN DNS, for example Google 8.8.8.8 I have set the Advanced | Network | Primary DNS to 8.8.8.8 but Basic | Network Map | reports the

I am trying to enable VPN Passthrough on Archer MR600. I have read What’s VPN Passthrough? | TP-Link United Kingdom (tp-link.com) but cannot find that menu item ( the help page refers to Archer C7) Wh