Table 33. L2TP/PPTP Menu Option
Option
Description
PPP Address Range
(Start/End)
Configure the dedicated IP address pool for L2TP/PPTP. The LAN IP
subnet at one end of the VPN tunnel must be different from the LAN
IP subnet at the other end of the VPN tunnel. For example, if one
side’s LAN subnet is 192.168.
0
.x, then the other side should be
192.168.
1
.x (where the subnet mask in this example is 255.255.255.0).
PPP Security (MPPE
Encryption)
Select Enable to enable MPPE (Microsoft Point-to-Point Encryption).
MPPE is used to enhance the confidentiality of PPP-encapsulated
packets. It uses the RSA RC4 encryption algorithm.
Username
Enter the user name for the L2TP or PPTP tunneling.
Password
Enter the password for the L2TP or PPTP tunneling.
Confirm Password
Re-enter to confirm the password.
User List
Show the existing user list.
L2TP Server
(Preshared Phrase)
Enter a key (Pre-Shared key) for authentication. This key is used by
IPSec to validate the computer as a trusted machine.
Event Log
The Event Log page shows the VPN event log.
To access the
Event Log
page:
1
Click
VPN
in the menu bar.
2
Then click the
Event Log
submenu.
Figure 44 shows an example of the menu and Table 34 describes the items you can select.
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