@TP-Link Thanks, the MR600 does get a public IP assigned but that isn't passed to the WAN port whereas the VM hub does pass its public IP on its WAN port. I did try setting up the NAT server routes...

Probably asking for the impossible but here goes. Current home network is being served by an ASUS RT-N66U which in turn is connected to a VM superhub in modem mode. Wanting to get rid of VM and go...