The situation described in this thread https://community.tp-link.com/en/business/forum/topic/618974 whereby an ISP requires a PPPoE primary WAN connection and provides an additional routed subnet, is

Good day! I'm having an issue that causes outbound connections from a subnet with public IPs to be NATed as the 'main' connection. I was wondering how to disable this behaviour. Situation: I have an E