I've got 3 XE75Pro units providing a mesh network in my house. I want to have my IoT devices on a separate network for security but the lack of a second SSID/VLAN tag means I am unable to do this....

Brand new Archer VR900 connected to Sky Fibre. V3 hardware and 0.2.0 0.9.1 v0069.0 Build 170303 Rel.59897n firmware, which is the latest available. I've been suffering packet loss since installing...