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Chapter 20 IPSec VPN
ZyWALL 110/310/1100 Series User’s Guide
282
Figure 175 SSL VPN
L2TP VPN
L2TP VPN uses the L2TP and IPSec client software included in remote users’ Android, iOS, or
Windows operating systems for secure connections to the network behind the ZyWALL. The remote
users do not need their own IPSec gateways or third-party VPN client software. For example,
configure sales representatives’ laptops, tablets, or smartphones to securely connect to the
ZyWALL’s network. See Chapter 24 on page 345 for more on L2TP over IPSec.
Figure 176 L2TP VPN
20.1.1 What You Can Do in this Chapter
•Use the VPN Connection screens (see Section 20.2 on page 285) to specify which IPSec VPN
gateway an IPSec VPN connection policy uses, which devices behind the IPSec routers can use
the VPN tunnel, and the IPSec SA settings (phase 2 settings). You can also activate or deactivate
and connect or disconnect each VPN connection (each IPSec SA).
•Use the VPN Gateway screens (see Section 20.2.1 on page 286) to manage the ZyWALL’s VPN
gateways. A VPN gateway specifies the IPSec routers at either end of a VPN tunnel and the IKE
SA settings (phase 1 settings). You can also activate and deactivate each VPN gateway.
•Use the VPN Concentrator screens (see Section 20.4 on page 301) to combine several IPSec
VPN connections into a single secure network.
•Use the Configuration Provisioning screen (see Section 20.5 on page 303) to set who can
retrieve VPN rule settings from the ZyWALL using the ZyWALL IPSec VPN Client.
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