Clients loses all access whenever VPN is enabled

Clients loses all access whenever VPN is enabled

Clients loses all access whenever VPN is enabled
Clients loses all access whenever VPN is enabled
2024-09-30 10:41:59 - last edited 2024-09-30 12:15:49
Model: ER7206 (TL-ER7206)  
Hardware Version: V1
Firmware Version: 1.4.1

Hi

 

We have an OpenVPN Client-to-Site setup.

I'm able to connect to it, I get an IP from the configured range.

But whenever I do I all lose all connections, I cannot ping to LAN or WAN.

 

We do not use any ACL's.

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#1
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Re:Clients loses all access whenever VPN is enabled-Solution
2024-09-30 11:53:49 - last edited 2024-09-30 12:15:49

  @MR.S 

 

Yes our Server is ER7206.

The article mentions specifically Android and iOS devices, however we're on Windows.

For testing purposes I've downloaded the OpenVPN onto my Android and there it also doesn't work.

 

Edit: I fixed the issue by downloading an older version of OpenVPN.

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Re:Clients loses all access whenever VPN is enabled
2024-09-30 10:57:40

  @EffiTrax 

 

which OpenVPN server are you connected to? is it another Omada router? then you must enable split on the OpenVPN server

 

then only traffic is routed to the remote lan

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Re:Clients loses all access whenever VPN is enabled
2024-09-30 11:05:45 - last edited 2024-09-30 11:12:03

Hi

 

We'd like to use the full tunnel to route all traffic through the company router for security purposes.

We use OpenVPN client on the clients and OpenVPN server on the Omada Cloud OC200 Controller.

We follwed this video: https://www.youtube.com/watch?v=F83QTND3Yp8&ab_channel=TP-LinkGlobalSupport

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Re:Clients loses all access whenever VPN is enabled
2024-09-30 11:25:58

  @EffiTrax 

 

OC200 is not an OpenVPN server so that may be why it doesn't work. Which router do you have as a server? can you show some screenshots of server config and client config?

 

the configuration between two Omada routers is more or less plug and play.

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Re:Clients loses all access whenever VPN is enabled
2024-09-30 11:33:51

  @MR.S The router is TP-Link TL-ER7206.

We're not trying to connect 2 Omada routers, we're trying to connect an end user to the LAN.

This exact config has worked in the past.

 

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Re:Clients loses all access whenever VPN is enabled
2024-09-30 11:47:50

  @EffiTrax 

 

Ok, so your OpenVPN server is ER7206? 

 

maybe it has something to do with this

https://community.tp-link.com/en/business/forum/topic/653224

 

 

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Re:Clients loses all access whenever VPN is enabled-Solution
2024-09-30 11:53:49 - last edited 2024-09-30 12:15:49

  @MR.S 

 

Yes our Server is ER7206.

The article mentions specifically Android and iOS devices, however we're on Windows.

For testing purposes I've downloaded the OpenVPN onto my Android and there it also doesn't work.

 

Edit: I fixed the issue by downloading an older version of OpenVPN.

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#7
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Re:Clients loses all access whenever VPN is enabled
2024-09-30 12:05:32

  @EffiTrax 

 

ok, yes there are some changes in the OpenVPN client that make it difficult against Omada OpenVPN. but then you fixed it then or ? smiley

 

 

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#8
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Re:Clients loses all access whenever VPN is enabled
2024-09-30 12:16:34

  @MR.S 

 

The issue is fixed for us. However, maybe TP-Link should look further into this to allow the most recent OpenVPN client versions to work.

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