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Deco M5 loses internet after connecting to Deco X50 VPN via L2TP/PPTP

Deco M5 loses internet after connecting to Deco X50 VPN via L2TP/PPTP

Deco M5 loses internet after connecting to Deco X50 VPN via L2TP/PPTP
Deco M5 loses internet after connecting to Deco X50 VPN via L2TP/PPTP
2025-06-03 07:06:14 - last edited 2025-06-09 08:24:14
Tags: #Network Connectivity #VPN
Model: Deco M5  
Hardware Version:
Firmware Version: 1.7.8

I attempted to establish a VPN between two homes

—one using a Deco X50 mesh system and the other using a Deco M5.


The goal was for the M5 to act as a VPN client, connecting to the X50’s VPN server so that both locations share the same internal LAN.
After a firmware update, the M5 appeared to support VPN client mode using L2TP and PPTP.


I enabled L2TP/PPTP on the X50 and configured the M5 to connect accordingly.
However, once connected, the M5 lost internet access.


No advanced security features were enabled on the X50, but the connection still failed.
I'm unsure if this is a configuration issue or a limitation of the M5.

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1 Accepted Solution
Re:Deco M5 loses internet after connecting to Deco X50 VPN via L2TP/PPTP-Solution
2025-06-04 07:04:28 - last edited 2025-06-09 08:24:14

  @TimmyLin Hi, thank you very much for the feedback.

I remember Deco M5 doesn't support VPN Server/Client features.

 

"After a firmware update, the M5 appeared to support VPN client mode using L2TP and PPTP."

Do you refer to "L2TP/PPTP" under the Internet connection type?

  • If not, can I have a screenshot of the VPN client configuration on your Deco?
  • If you indeed talk about the  "L2TP/PPTP" internet connection, it mainly refers to the hardware WAN broadband connection

Wait for your reply.

Best regards.

 

▶Check What's Currently Going on With Deco ▶Deco X50_V1_1.8.0 Significantly Expanded the Client Connection Details and Added Channel Selection ▶Deco X50/X55_V1.3_1.3.1 Introduced Channel Selection, WiFi Access Control and WireGuard VPN ▶Deco BE65_V2_1.2.10 New Firmware with Enhanced Stability & Interference Resistance ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
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Re:Deco M5 loses internet after connecting to Deco X50 VPN via L2TP/PPTP-Solution
2025-06-04 07:04:28 - last edited 2025-06-09 08:24:14

  @TimmyLin Hi, thank you very much for the feedback.

I remember Deco M5 doesn't support VPN Server/Client features.

 

"After a firmware update, the M5 appeared to support VPN client mode using L2TP and PPTP."

Do you refer to "L2TP/PPTP" under the Internet connection type?

  • If not, can I have a screenshot of the VPN client configuration on your Deco?
  • If you indeed talk about the  "L2TP/PPTP" internet connection, it mainly refers to the hardware WAN broadband connection

Wait for your reply.

Best regards.

 

▶Check What's Currently Going on With Deco ▶Deco X50_V1_1.8.0 Significantly Expanded the Client Connection Details and Added Channel Selection ▶Deco X50/X55_V1.3_1.3.1 Introduced Channel Selection, WiFi Access Control and WireGuard VPN ▶Deco BE65_V2_1.2.10 New Firmware with Enhanced Stability & Interference Resistance ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
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#2
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Re:Deco M5 loses internet after connecting to Deco X50 VPN via L2TP/PPTP
2025-06-18 07:51:43 - last edited 2025-06-18 07:53:08

David-TP Sorry for the late reply.

Yes, I am using L2TP/PPTP under the Internet connection type; and now I get your point.

It seems like I can only upgrade my hardware to have the feature.

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