Jan 02, 2019
VPN Pass-Through Setup | DrayTek To pass through multiple outgoing IPsec tunnels, it requires that both the VPN client and server support NAT-Traversal (NAT-T). Without NAT-T, it only allows one outgoing IPsec VPN at the same time. L2TP with IPsec policy is in transport mode, which can only pass through NAT if both VPN client and server support NAT-T (Note: All Vigor Router setup l2tp vpn router behind Arris bgw210? | AT&T Mar 14, 2019 Setting Up a L2TP VPN Over Verizon FiOS — Liss is More Jul 18, 2016
Configuration of Virtual Private Network (VPN) Passthrough
Select the Passthrough option from the Allocation Mode drop-down menu. Select DHCPS-fixed from the Passthrough Mode drop-down. Enter the MAC address of the device that is to be set up to receive the public IP address in the Passthrough Fixed MAC Address field. Select Save. A re-starting gateway reminder message appears.
What is L2TP Passthrough? Do I need it enabled
I installed an L2TP/IPSec VPN server, tested internally and it connected successfully. So for all intents & purposes, this validates that the VPN server is correctly configured to accept inbound connections and functioning correctly. I logged into the Verizon Actiontec MI424WR router, setup port forwarding for UDP ports 500, 1701 & 4500. L2TP passthrough - Peplink Balance - Peplink Community Apr 27, 2018