Currently, router-behind-router does work, but only in certain situations. ICMP (ping) will not make it past two NAT firewalls. Almost every router has a NAT firewall, so unless rules are set in place to allow ping to pass directly to the last router, it may not function.
How to configure a VPN server behind a router - Quora Dec 28, 2017 VPN behind a router | Tom's Hardware Forum Jul 25, 2017 Setting Up a Router VPN: The Ultimate Guide | TheBestVPN
Feb 07, 2019
How to setup an OpenVPN server behind a router/firewall After that you should be able to use the guide when connecting from outside your network I guess. Connecting from 10.0.0.x will require NAT loopback in the main router or split DNS. The easy solution is to have two VPN configurations in the client, both dynamic DNS and the IP address 10.0.0.4.
May 15, 2018 · The ATT BGW210 UVerse router does NOT have built in VPN capability. You are supposed to be able to place a VPN capable device/server, for instance Netgear Orbi, behind the BGW210 and add a firewall "application" that essentially opens up a pinhole to the specific IP address on some user defined port for the VPN running on the VPN router.
Jan 06, 2019 · The Zywall is behind a Router. Which Ports do I have to forward and what do I have to change in my router so that it forwards the Traffic to the Zywall? The Zywall is configured as a DMZ in the router and every device at home is connected to the Zywall and not to the router. The DDNS is already configured and I already configured the SSL-VPN.