How to configure a L2TP Server on TP-LINK Router
Configuring a L2TP Server on TP-LINK router
Access the router’s management web page; verify the settings needed on the router.
Click on VPN->L2TP/PPTP->IP Address Pool, enter Pool Name and IP Address Range, and then click on Add.
NOTE: IP Address pool must be different range from LAN IP address range.
Look for protocol, select L2TP; the Mode should be Server.
Enter Account Name and Password whatever you like, here we use “tplinktest” as account name, password is “1234”.
Under Tunnel, select Client-to-LAN.
The tunnel supports up to 10 connections, we enter 10 in this example.
Under Encryption, select Enable, and then enter “5678” as Pre-shared Key.
Under IP Address Pool, select “test1” we have added before.
Look for Status, select Active.
Click on Add.
As we enabled Encryption, we need to go to VPN->IPsec, enable IPsec and then click on Save.
Configuring L2TP client on remote PC (Windows 7)
NOTE: For remote PC to connect to LPTP server, it can use Windows built-in LPTP software or Third-party LPTP software.
Click on Start->Control Panel->Network and Internet->Network and Sharing Center.
Click on Set up a new connection or network.
Choose Connect to a workplace, and then click on Next.
Select Use my Internet connection (VPN)
Under Internet address field, enter router’s WAN IP address, and then click on Next.
Enter User name and Password, and then click on Create.
The VPN connection is created and ready to use, click on Close.
Go to Network and Sharing Center and click on Change adapter settings on the left menu.
Right Click on VPN Connection and select Properties. On the Security tab, Select Layer 2 Tunneling Protocol with IPsec (L2TP/IPsec), under Data encryption, select Require encryption (disconnect if server declines).
Click on Advanced settings, pick Use preshared key for authentication, and then enter the key, here is “5678”.
Double click on VPN Connection, enter User name and Password and then click on Connect.