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VPN and Dual Wan Router

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Neil Vass

I have a dual WAN router TP-Link TL-ER6020 and Firewalla Blue on a fixed IP which have worked fine for a couple of years.

Trying to set up VPN so I can manage the home while I am away but cannot get the VPN working. Been through all the instructions. Also removed one WAN and ensured the external IP matches up. 

I am pretty sure it's the router blocking access but the router doesn't use the terminology "Port Forwarding" and TP-link is no help as to how to do this. I have set up what I think is correct as follows:

Does this look correct and does anyone have any other ideas, please!

 

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    Firewalla

    Have you tried a different port than 1194? I have seen some routers that reserve that port for themselves.

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    Neil Vass

    Tried twice more with 2 more random Ports (30255 and 30401) same results.

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    Firewalla

    Does both of your links (WAN) have public IP address? 

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    Neil Vass

    Yes they do, but I have tried physically disconnecting one WAN and ensuring the IP address of the other is the same as the one used by Firewalla VPN Server

    Still not working.

     

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    Firewalla

    Did you check the TPLink documentation? I found this pretty quick on the web, seems there is a step to define service type ... or something https://www.tp-link.com/us/support/faq/2026/

     

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    Neil Vass
    • Edited

    Thanks.

    I have looked at this document before. But it's for TL-ER6020 v2 and they have clearly changed how things are done from the V1

    I have a query out to TP-Link but nothing back so far. I can't believe port forwarding is that complex on this router.

    One thing I did notice and I have no idea if this might be the cause ( I am out of my depth already). Maybe you can tell me. It looks as if neither of my service providers has set up my WANs as pass-through (See picture below, which is typical Thailand), Although everything else works just fine) The WAN IP address I have been using has remained unchanged since I started trying to fix this. Could this be causing the issues!

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    Firewalla

    The problem of your connection is, your ISP is NOT giving you public ipv4 addresses. (you have all 192.168.x.x). You will need to call them up and ask them for a public IP

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