ZyXEL 35 Guia Do Utilizador

Página de 335
 
 
ZyWALL 35 Support Notes 
 
 
All contents copyright (c) 2006 ZyXEL Communications Corporation.   
72
encapsulated in UDP packet to avoid traversal problem on NAT routers. 
4)  Under VPN->Gateway Policy-> Gateway Policy Information configure the private IP address as 
My Address” on local ZyWALL gateway (behind NAT router). 
5)  On peer VPN gateway, use the public WAN IP address of NAT Router as the “Remote Gateway 
Address” of Gateway Policy rule. 
The ID must be consistent no matter if IP/DNS/EMAIL is used. So long as if the ID Type and content are 
consistent on both VP entities. 
 
Mapping multiple Network policy to same gateway policy 
 
This section describes an example configuration to map multiple (different) network policies to same 
gateway policy which is built between two VPN gateways. Different network policies allow user in one 
network to access multiple destination networks which are not in the continuous range. The other feature 
of this application is to limit some users to access some specific destination and prevent others from 
accessing the same network.   
 
In following example, the owner of PC1 belongs to financial department and needs to connect to the 
financial department (Dept.1) for business sensitive application. PC2 belongs to other group (Dept.2) and 
need to access Dept.2 . 
 
 
Internet
PC1
PC2
VPN tunnel 1
VPN tunnel 2
GW1
GW2
IPSec
Tunnel
IPSec Tunnel 2
IPSec
Tunnel
IPSec Tunnel 1
IPSec Tunnel
IKE Tunnel
PC 1
PC 2
Traffic (PC1 <– > Dept1)
Traffic (PC2 <–> Dept2)
IPSec
Tunnel
IPSec Tunnel 2
IPSec
Tunnel
IPSec Tunnel 1
Dept. 1
Dept. 2
Dept. 1
Dept. 2
PC 1
PC 2
GW1
GW2
 
The configuration goal is to achieve following two :