ZyXEL ZyWALL USG 2000 User Guide - Page 520
Configuration > VPN > IPSec VPN > VPN Connection continued
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Chapter 31 L2TP VPN Table 132 Configuration > VPN > IPSec VPN > VPN Connection (continued) LABEL DESCRIPTION VPN Connection Select the IPSec VPN connection the ZyWALL uses for L2TP VPN. All of the configured VPN connections display here, but the one you use must meet the requirements listed in IPSec Configuration Required for L2TP VPN on page 517. IP Address Pool Authentication Method Note: Modifying this VPN connection (or the VPN gateway that it uses) disconnects any existing L2TP VPN sessions. Select the pool of IP addresses that the ZyWALL uses to assign to the L2TP VPN clients. Use Create new Object if you need to configure a new pool of IP addresses. Select how the ZyWALL authenticates a remote user before allowing access to the L2TP VPN tunnel. Allowed User The authentication method has the ZyWALL check a user's user name and password against the ZyWALL's local database, a remote LDAP, RADIUS, a Active Directory server, or more than one of these. See Chapter 45 on page 733 for how to create authentication method objects. The remote user must log into the ZyWALL to use the L2TP VPN tunnel. Select a user or user group that can use the L2TP VPN tunnel. Use Create new Object if you need to configure a new user account (see Section 40.2.1 on page 692 for details). Otherwise, select any to allow any user with a valid account and password on the ZyWALL to log in. Keep Alive Timer The ZyWALL sends a Hello message after waiting this long without receiving any traffic from the remote user. The ZyWALL disconnects the VPN tunnel if the remote user does not respond. First DNS Server Specify the IP addresses of DNS servers to assign to the remote users. Second DNS You can specify these IP addresses two ways. Server Custom Defined - enter a static IP address. First WINS Server, Second WINS Server From ISP - use the IP address of a DNS server that another interface received from its DHCP server. The WINS (Windows Internet Naming Service) server keeps a mapping table of the computer names on your network and the IP addresses that they are currently using. Apply Reset Type the IP addresses of up to two WINS servers to assign to the remote users. You can specify these IP addresses two ways. Click Apply to save your changes in the ZyWALL. Click Reset to return the screen to its last-saved settings. 520 ZyWALL USG 2000 User's Guide
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