@Dexterd I called customer service. They don't know which router has 'Nat loopback'. Anyway, decided to go for a different brand where they understand their own products.

Hello everyone! I am looking for a new router with the following specifications: VLAN Loopback/hairpinning Wifi6 We have 20 wireless connections and 6 wired. We love to play games and also stream 4K....