Troubleshooting VPN Client on Wi-Fi Router Is Not Working
This Article Applies to:
All the Wi-Fi Routers that support VPN Client, such as Archer AX20, Archer AX21, Archer AX90, etc.
Issue Description/Phenomenon:
The Wi-Fi Routers that are being discussed here are the models that support VPN Client, which allows users to connect to a VPN server without the need to install VPN software on each device. If you are unable to connect to a VPN server when trying to configure the VPN client on the TP-Link router, this article provides some suggestions that may help you out.
However, if VPN server on TP-Link router is not working, please follow this thread for troubleshooting: VPN Server Doesn't Work Properly on TP-Link Wi-Fi Routers
Troubleshooting Suggestions & Solution:
Step 1
For OpenVPN, please follow this FAQ How to get configuration files from OpenVPN service providers to get correct configuration file and your VPN service credentials, which is the key to accessing the VPN service.
Step 2
Ensure you can successfully connect to the VPN server using a third-party VPN client software like OpenVPN Connect or OpenVPN or WireGuard App for WireGuard VPN on the local PC/Smartphone. This can ensure the .opvn or .conf file is configured and exported correctly.
For example, If you are trying to connect to NordVPN, please don't use NordVPN App since it doesn't require the .opvn at all.
Note: NordVPN service credentials are different from your NordVPN account credentials, namely your email address and your password. You'll need NordVPN service credentials to connect to the VPN using the manual OpenVPN configuration method in the router.
Step 3
If step 2 is confirmed good, but it still fails to connect to the VPN server when uploading the .opvn file into the TP-Link router, be sure the router's firmware is up-to-date. You can check for the updates on the Tether app or on the router web GUI, or you can download it from the local official website and then install it manually.
Step 4
If it still fails, please check the size of the VPN configuration profile you are trying to upload to the router, and how large that file is. You may download and install the Notepad+ application to delete the useless comment in the profile if that is too large, then try uploading it into the router again.
Step 5
It's also suggested to try TCP protocol on the VPN server if it's currently using UDP, then save the file and upload it into the TP-Link router again to check if that works.
If the VPN connection still fails, please comment below on this topic and be sure to provide the following information:
1. Model number, hardware, and firmware version of your TP-Link Router.
2. What kind of VPN server you are connecting to?
3. What kind of VPN type are you choosing on the TP-Link router, OpenVPN, or PPTP VPN?
4. What kind of VPN Client software you were using on the local PC or phone when it was connecting fine? Please test and make sure you can connect to the server with third-party software, such as OpenVPN Connect for OpenVPN and WireGuard App for WireGuard VPN.
5. Which step did you stuck in, any error message or screenshot?
6. Troubleshooting you've done before, and be sure the .opvn file for OpenVPN or .conf file for WireGuard is included when emailing to support.
Related Articles:
If you are not familiar with the VPN, visit Introduction and Configuration Guide of VPN Function on TP-Link Wireless Routers
If you want to check which model supports the VPN Client, visit Routers supporting the VPN Client.
If you are unable to connect CyberGhost OpenVPN Server, please try Manually create the unified format for OpenVPN profile(CyberGhost OpenVPN Server)
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Hello,
I can't connect to various VPN services via the VPN client option.
Router: AX11000 V1, firmware 1.3.2 Build 20221128 rel.45807(4555)
After some investigation I found that all the provided options, OpenVPN, PPTP, L2TP, do not work for the tested free VPN providers on the Android App or are not supported. The last 2 due to security vulnerabilities I can read in their support messages.
WireGuard and IKEv2 are available from the VPN providers but are not provided by the router.
Kindly requesting to add support for the more popular, more safe protocols.
Thank you for your consideration :)
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samkaradze wrote
Hi, i have Tp-link archer a7 and failed to set up openVPN server on it.
I have tried both service types (udp, tcp), enable ddns but it's not working.
I tried to connect with iphone, mac and windows but without any result.
How can i configure it?
@samkaradze Please follow this configuration guide to review all the settings on the A7 and ensure all are correct:
How to use OpenVPN to access your home network through the Wi-Fi Routers
If still fails, please check which one is the case and try the suggestions accordingly:
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Hi, i have Tp-link archer a7 and failed to set up openVPN server on it.
I have tried both service types (udp, tcp), enable ddns but it's not working.
I tried to connect with iphone, mac and windows but without any result.
How can i configure it?
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Stranger1784 wrote
Archer AX23 v1.20
1.0.5 Build 20220216 Rel. 59311(4555)
Does not allow traffic to connect to the pptp server. Windows 7 client.
@Stranger1784 Have you tried the suggestions we provided in the original post, such as connecting to the PPTP server on the Windows 7 with a VPN Client software bypassing the AX23? Are you able to connect fine?
If yes, please email the config file that you tried to upload into the AX23 to support.forum@tp-link.com, then we may help confirm.
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Bert_BE wrote
@Kevin_Z Hi Kevin,i am having the same issue,where and how did u put the username and password in the ovpn file?
@Bert_BE If you fail to connect the AX55 to the Cyberghost VPN server, please follow the guide below to create a unified format for the OpenVPN profile:
Manually create the unified format for OpenVPN profile(CyberGhost OpenVPN Server).
Please let me know if it will work.
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oosman5 wrote
Hi Kevin,
i am having the same issue,
where and how did u put the username and password in the ovpn file?
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Hi @Chames
You'd better describe the issue you are experiencing in detail, others may suggest if they have ideas.
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Speedy777 wrote
Ok, I figured out the problem. The issue I had of the OpenVPN config file not loading correctly only occurs if I load it while logged in via the WAN interface. It works correctly if you are logged in via the LAN/Wireless interface. It just so happens that in my test environment, it was more convenient to manage the AX21 via the WAN interface, which appears to be identical to the LAN interface, so I had no reason to suspect anything.
So, all my config files load fine when loaded via the LAN interface and the VPNs all come up correctly. In summary:
Logged in via WAN interface: OVPN config file does not complete loading
Logged in via AX21 VPN Server and accessing local interface: OVPN config files does not complete loading
Logged in via LAN or Wireless interface: OVPN config file loads completely and you can save the config
Kevin, you might want to add this fact to your pinned post, or have the software guys fix it such that it can load from any interface.
@Speedy777 That's what we've missed in the guide really, while I guess most of us will login to the AX21 via LAN or wireless when they configure the VPN Client feature. We will record this kind of request and ask the engineers to evaluate if there is feasibility.
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Ok, I figured out the problem. The issue I had of the OpenVPN config file not loading correctly only occurs if I load it while logged in via the WAN interface. It works correctly if you are logged in via the LAN/Wireless interface. It just so happens that in my test environment, it was more convenient to manage the AX21 via the WAN interface, which appears to be identical to the LAN interface, so I had no reason to suspect anything.
So, all my config files load fine when loaded via the LAN interface and the VPNs all come up correctly. In summary:
Logged in via WAN interface: OVPN config file does not complete loading
Logged in via AX21 VPN Server and accessing local interface: OVPN config files does not complete loading
Logged in via LAN or Wireless interface: OVPN config file loads completely and you can save the config
Kevin, you might want to add this fact to your pinned post, or have the software guys fix it such that it can load from any interface.
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