Thanks peter_k for your reply. My setup is differetnt to yours, you are converting one of your lan ports into a wan port by assiging VLAN2 to work with TPG nbn. In your case you can use VLAN2   My router RG-AX1100 comes with 2 wan ports that cannot be assigned a VLAN2 as apparently ASUS reserves VLANS 2-10 for system usage!? This pretty makes the router unusable with TPG/iiNET nbn. ... View more