Port forwarding from Arris TG3452A to endpoint on tp-link Archer AX11000 with different subnet

Two routers... Router A (Arris TG3452A) ISP internet 192.168.0.1 No endpoints (other than Router B) connected Router B (tp-link Archer AX11000) Internal router 192.168.1.1 All internal endpoints connected Router B gets IP address from Router A Router B uses Router A as gateway Other than Router A providing a static IP to Router B and Router B using Router A as the gateway, I can't see any way to add any further configuration to Router A that would allow for a NAT forwarder to work for Router B. Would like to be able to add a port forward on Router A for an endpoint on Router B ,but Router A st

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