- Aug 8, 2023
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Hello Every One,
I currently have a Asus Router (RT-AXE7800) which is placed behind a TP LInk ER 605 v2 Multi WAN router in my home. Primary use case for me was to use the multi WAN failover which never really worked reliably on the asus routers. While the Multi WAN feature works, but I am now stuck with an issue with the Open VPN set up required for me to get to devices on my local network which are not exposed to the internet (example, CCTV cameras, etc.)
I looked at enabling the open VPN on the TP Link itself but the instructions were not very clear (at least for a home user) and it even caused crashes on the TP Link router itself. As such I went with enabling the Open VPN set up on the Asus router which I had reliably used before the TP Link was placed in front of it. Here are the changes I have done based on the instructions to enable Open VPN behind double NAT on Asus website -
TP Link: Added Port Forwarding for any internet traffic to be sent to the main IP Address (192.168.0.114) of the Asus router on port 1194 (UDP) for open VPN to work. I have a ddns set up on the TP Link to get to the WAN address of my ISP.
Asus: Enabled Open VPN server on port 1194 and set up the users. Exported the Open VPN Profile and edited to change the IP Address of the asus router with the Dynamic DNS address set up on the TP Link. There is no other firewall entries on the Asus router (similar to what I had before adding the TP Link). The VPN server is set up to allow access for both LAN and Internet.
Expected: Using an open VPN Client on an android phone or any PC, I should be able to reach to my open VPN server on Asus and be able to access the intranet devices and also internet.
Actual: I am able to reach the VPN Server but I am only able to get to the local resources. Internet access is not working.
Any help needed to point me to what I may be doing wrong would be greatly appreciated.
I currently have a Asus Router (RT-AXE7800) which is placed behind a TP LInk ER 605 v2 Multi WAN router in my home. Primary use case for me was to use the multi WAN failover which never really worked reliably on the asus routers. While the Multi WAN feature works, but I am now stuck with an issue with the Open VPN set up required for me to get to devices on my local network which are not exposed to the internet (example, CCTV cameras, etc.)
I looked at enabling the open VPN on the TP Link itself but the instructions were not very clear (at least for a home user) and it even caused crashes on the TP Link router itself. As such I went with enabling the Open VPN set up on the Asus router which I had reliably used before the TP Link was placed in front of it. Here are the changes I have done based on the instructions to enable Open VPN behind double NAT on Asus website -
TP Link: Added Port Forwarding for any internet traffic to be sent to the main IP Address (192.168.0.114) of the Asus router on port 1194 (UDP) for open VPN to work. I have a ddns set up on the TP Link to get to the WAN address of my ISP.
Asus: Enabled Open VPN server on port 1194 and set up the users. Exported the Open VPN Profile and edited to change the IP Address of the asus router with the Dynamic DNS address set up on the TP Link. There is no other firewall entries on the Asus router (similar to what I had before adding the TP Link). The VPN server is set up to allow access for both LAN and Internet.
Expected: Using an open VPN Client on an android phone or any PC, I should be able to reach to my open VPN server on Asus and be able to access the intranet devices and also internet.
Actual: I am able to reach the VPN Server but I am only able to get to the local resources. Internet access is not working.
Any help needed to point me to what I may be doing wrong would be greatly appreciated.
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