I was using the basic L2TP VPN (no IKE). After several days of messaging with TP-Link support it turns out that the firmware on the ER6020 will not allow a VPN client that has an internal IP address...

Region : UnitedStates Model : TL-ER6120 Hardware Version : V1 Firmware Version : ISP : I've got a new network implementation in which I have all wireless LAN communications on a separate VLAN and...