You forgot to specify the key piece of information: how is your WAN organized. Is it a plain DHCP-based connection, or is PPPoE involved? All 700Mbps results (including mine) are without PPPoE. If your WAN is DHCP-based or static IP, then you should get 600 Mbps with your setup, so we need to troubleshoot (start with rebooting your router). I will benchmark with PPPoE later today.