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L2TP

L2TP, also known as Layer 2 Tunneling Protocol, is a tunneling protocol used to create VPN connections. Its main purpose is to securely transport data over shared networks. To access the settings:

  • VPN
  • L2TP

you need to follow these menus. To enable it, Enable must be selected in the L2TP Client section.

L2TP-541

ParameterDescriptionDefault Value
Server AddressSet the L2TP server IP or domain name.192.168.0.2
InterfaceSelect the interface according to different network methods.auto
Username/ PasswordThe username used for authentication to the PPTP server. Provided by the VPN server.192.168.55.0
Tunnel NameThe name of the L2TP tunnel.None
Tunnel PasswordThe password for the L2TP tunnel.None
Remote SubnetThese are the IPv4 client-side networks and are routed specifically to this client using a route, allowing for site-to-site VPN setup.192.168.55.0
Remote Subnet MaskThe subnet mask of the remote client network.255.255.255.0
NATNetwork address translation. A way to map multiple private addresses within a local network to a public IP address before sending data over the internet.Enabled
MTUThe MTU value of the PPTP channel must be compatible with the VPN server.1450
Extra OptionAdditional pppd parameters are added, not recommended for non-professional users.None
Enable Static Tunnel IP AddressWhen this option is enabled, users must manually enter the static IP address.Disabled
Default GatewayRoutes all traffic created by the client through the tunnel, except for the WAN protocol PPPoE.Disabled
Enable PingIf the PING command fails more than the specified number, it reconnects to the RLTK541 PPTP server.Disabled
Ping PeriodThe time interval between two ping commands.10
Ping timesThe number of ping attempts.3

After entering the settings, you should click the Save & Apply button to save the settings.

After connecting to the L2TP server,

  • VPN
  • VPN Status

you can check the connection status through the menu.