ZyWALL User's Guide

Chapter 6 Tutorials
ZyWALL USG 100/200 Series User’s Guide
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and destination address objects here. The next-hop is the VPN connection that you
created. Click OK.
Figure 83 Network > Routing > Policy Route > Add
3 Now set up the VPN settings on the peer IPSec router and try to establish the VPN
tunnel. To trigger the VPN, either try to connect to a device on the peer IPSec router’s
LAN or click VPN > IPSec VPN > VPN Connection and use the VPN connection
screen’s Connect icon.
6.4.4 How to Configure Security Policies for the VPN Tunnel
You configure security policies based on zones. The new VPN connection was assigned to the
IPSec_VPN zone. By default, there are no security restrictions on the IPSec_VPN zone, so,
next, you should set up security policies (firewall rules, IDP, and so on) that apply to the
IPSec_VPN zone. Make sure all firewalls between the ZyWALL and remote IPSec router
allow UDP port 500 (IKE) and IP protocol 50 (AH) or 51 (ESP). If you enable NAT traversal,
all firewalls between the ZyWALL and remote IPSec router should also allow UDP port 4500.