Figure 14: L2Tp Client; Table 6: L2Tp Configuration - Grandstream Networks GWN7000 Configuration Manual

Field
Enable
VPN Name
WAN Port
Remote L2TP Server
Username
Password
Connection Type
Pre-Shared Key
Auto Forward Group Traffic
Remote Subnet
Use Tunnel as Default Route
IP Masquerading
Use DNS from Server
Number of Attempts to
Reconnect
Use Built-in IPv6 management
Port Forwarding Rules
Port Trigger Rules
2- Click after completing all the fields.
3- Click on top of the web GUI to apply changes.

Table 6: L2TP Configuration

Description
Click on the checkbox to enable the L2TP client feature.
Enter a name for the L2TP client.
Select WAN port connected to the uplink, either WAN1 or WAN2.
Enter the IP/Domain of the remote L2TP Server.
Enter the Username for authentication against the VPN Server.
Enter the Password for authentication against the VPN Server.
Select either Transport mode or Tunnel mode:
•
Transport mode is commonly used between end stations or
between an end station and a gateway, if the gateway is being
treated as a host.
•
Tunnel mode is used between gateways, or at an end station to
a gateway, the gateway acting as a proxy for the hosts behind it.
Enter the L2TP pre-shared key.
If enabled, choose which groups you want to forward, if not, you can
manually configure the forward rules under firewall settings.
Configures the remote subnet for the VPN.
The format is "IP/Mask", IP can be either IPv4 or IPv6.
For example: 192.168.5.0/24
If enabled, L2TP/IPSec VPN Tunnel will be used by default.
When using L2TP/IPSec client mode, enable this option to allow
devices behind GWN7000 to reach L2TP/IPSec server LAN (LAN to
LAN scenario). If disabled, only GWN7000 will be able to reach
L2TP/IPSec server LAN (client to LAN scenario).
Enable this option to retrieve DNS from the VPN server.
Configures the number of attempts to reconnect the L2TP client, if
this number is exceeded, the client will be disconnected from the
L2TP/IP Server.
Enable the IPv6 management for the VPN.
Enter the port-forwarding rule to be used for the VPN.
Enter the port trigger rule to be used for the VPN.

Figure 14: L2TP Client

GWN7000 VPN Guide
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