I have bought x2 PW-AX1800 Routers and have paired using a Cat6 wire from Port3 to Port3 and tagged that Port when in AP mode, and Port1(x1) and Port2(x2) are internet dead on the AP yet fully working on the Main Router.
Port1(x1) untagged | Port2(x2) untagged | Port3(LAN) Tagged
All config matches blog article, yet support has no answer for this, please can someone help’.