KnowledgeBase : HOWTO's
How to configure L2TP over IPSec on your firewall
This section contains information about the parameters required to define the VPN tunnel.
Default Policy will by default be pre-configured with factory settings. Youâ€™ll have to create a new policy for L2TP.
- L2TP VPN Policy Settings
Go to VPN --> IPSec --> Policy
Note- Policy configuration is required to setup a L2TP tunnel. You can configure L2TP with both ISPs
- L2TP VPN Tunnel Configuration
Go to VPN --> IPSec --> Tunnels
Note- Youâ€™ll have to select L2TP in VPN type option since the configuration is L2TP over IPSec.
3. L2TP Configuration
Go to VPN -> L2TP -> L2TP Options
Specify the following fields:
Server IP: Public IP of Firewall.
IP Range: When Users connect through VPN, that time users get the IP address from the above defined range.
Local IP: Firewall local LAN IP.
4. Create a VPN User
Go to VPN -> Local User -> VPN Users
You can create a new user or modify an existing VPN user
5. Rules for L2TP VPN
Go to Firewalls -> Policies -> Rules
Configure the 3 rules as specified above.
NOTE: If a user has 2 ISPs, he will have to configure 2 tunnels, second time with the second ISP as the destination. (If user wants to configure L2TP with both the ISPs)