Ive just tested on my ER605 and enabling Remote Assistance in the Diagnostics menu ONLY allows SSH access from the local LAN. It will ONLY be accessible remotely ( via SSH and HTTP/S ) if you enable...

@Sjon_Gerrits Whats the throughput performance like using Openwrt ?

@Clive_A thanks for the reply. It's disapointing that my assumptions are correct and that the ER605 is not suitable for this scenario. It just means that it wont be considered as an option in my case.

@Clive_A But I suggest you verify that you are actually allowed to use these IP addresses and you have a requirement to map private IP to a public IP. From that reply and earlier similar ones to...

The situation described in this thread https://community.tp-link.com/en/business/forum/topic/618974 whereby an ISP requires a PPPoE primary WAN connection and provides an additional routed subnet, is...

@Sjon_Gerrits Thank you for your suggestion, it is a PPPoE connection, and the web interface doesn't allow me to add the subnet as 'virtual' or 'alias' IPs; this only works with setting the...