Stop Fighting Your Own Public IP: Hairpin NAT on Omada (The Easy Way) Tested on: Omada Software Controller v6.0.0.25 + ER605 v2.0 (firmware v2.3.3). Not tested with VPNs: this guide covers LAN-side...

Edit: Solution found - making a gateway ACL LAN-LAN works just fine.

I am on the topology below trying to configure a unidirectional ACL rule. However it forces me to a bi-directional deny. The answer on other post mentions it should work with tp-link router, assuming...