ZyXEL SBG3300-NB00 User Guide - Page 301
L2TP VPN
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CHAPTER 22 L2TP VPN 22.1 Overview The Layer 2 Tunneling Protocol (L2TP) works at layer 2 (the data link layer) to tunnel network traffic between two peers over another network (like the Internet). In L2TP VPN, an IPSec VPN tunnel (defined by the IPSec VPN rule Default_L2TPVPN, refer to Section 20.4.3 on page 286) is established first and then an L2TP tunnel is built inside it. See Chapter 20 on page 277 for information on IPSec VPN. L2TP VPN lets remote users use the L2TP and IPSec client software included with their computers' operating systems to securely connect to the network behind the Device. The remote users do not need their own IPSec gateways or VPN client software. Figure 129 L2TP VPN Overview 22.1.1 What You Can Do in this Chapter • Use the L2TP VPN screen to configure the Device's L2TP VPN settings (Section 22.2 on page 302). • Use the Monitor screen to view settings for L2TP clients (Chapter 22 on page 303). Note: You need to configure the Default_L2TPVPN VPN rule in the VPN > IPSec > IPSec Setup screen. See Chapter 20 on page 277 for information on IPSec VPN. SBG3300-N Series User's Guide 301