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operating system, or install L2TP client software such as WinVPN Client and connect to the Internet
in dial-up mode. Then, perform the following configurations (the configuration order varies with the
client software):
• Specify the VPN username as vpdnuser and the password as Hello.
• Set the Internet interface address of the security gateway as the IP address of the LNS. In this
example, the Ethernet interface on the LNS, the interface for the tunnel, has an IP address of
1.1.2.2.
• Modify the connection attributes, setting the protocol to L2TP, the encryption attribute to
customized and the authentication mode to CHAP.
Configure the LNS
Before you perform the following configurations, configure IP addresses for interfaces and make
sure the LNS and the user host can reach each other.
1. Create a local user:
a. Select System Management > Users from the navigation tree.
b. Click the Create User tab.
The local user configuration page appears, as shown in Figure 372.
c. Enter v
pdnu
ser as the username.
d. Select access level Configure.
e. Enter password Hello.
f. Enter Hello to confirm the password.
g. Select PPP as the service type.
h. Click Apply.
Figure 372 Adding a local user
2. Enable L2TP:
a. Select VPN > L2TP > L2TP Config from the navigation tree.
The L2TP configuration page appears, as shown in Figure 373.
b. Select the box before Ena
ble L2TP.
c. Click Apply.
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