Configuring VPN Configuration Examples
Configuration Guide
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Verifying the connectivity of the L2TP VPN tunnel
On the router, choose the menu VPN> L2TP > Tunnel List to verify the connectivity of
the L2TP VPN tunnel.
Figure 5-16 Viewing the L2TP VPN Tunnel
5.3 Example for Configuring PPTP VPN
5.3.1 Network Requirements
The employees at headquarters need to access the network resources through the
server at the US subsidiary via a secure connection. Thus we can build the remote access
VPN tunnel between the employees at headquarter and the gateway device of the US
subsidiary.
In this scenario, both PPTP and L2TP can be used. Here we take PPTP VPN as an example.
Figure 5-17 Remote Access PPTP VPN Topology
Remote PC
IP: 192.168.0.1
US subsidiary Gateway
Router A
Internet
PPTP VPN Tunnel
WAN1 LAN
Head Oce Gateway
Router
5.3.2 Configuration Scheme
To meet the requirements, configure PPTP server on Router A, and configure PPTP
client on the remote PC. For Router A, make sure to add a Multi-Nets NAT entry. This will
ensure Router A will not drop the packets sent from the remote PC. For the remote PC,
use Windows built-in PPTP software or third-party PPTP software to connect to the PPTP
server. Then verify whether the PPTP VPN tunnel is established successfully.
The following section provides the configuration procedure.
5.3.3 Configuration Procedure
Follow the steps below to configure PPTP VPN on Router A and PC:
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