ZyXEL UAG4100 User Guide - Page 226
VPN 1-1 Mapping
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CHAPTER 15 VPN 1-1 Mapping 15.1 VPN 1-1 Mapping Overview VPN 1-1 mapping allows an authenticated user in your network to access the Internet or an external server using a public IP address different from the one used by the UAG's WAN interface. With VPN 1-1 mapping, each user that logs into the UAG and matches a pre-configured mapping rule can obtain an individual public IP address. For example, users A and B are behind the UAG and both want to use a unique WAN IP address to access a public server through the UAG's WAN1 interface. After the user is authenticated by the UAG and meets the criteria in a VPN 1-1 mapping rule, the UAG applies the rule settings and assigns a public IP address to the user. Outgoing traffic from user A will then be sent through the WAN1 interface using the mapped public IP address 10.10.1.35. Outgoing traffic from user B will be sent through the WAN1 interface using the mapped public IP address 10.10.1.36. Figure 146 VPN 1-1 Mapping Example 10.10.1.35 10.10.1.36 15.1.1 What You Can Do in this Chapter • Use the VPN 1-1 Mapping screens (see Section 15.2 on page 227) to enable and configure VPN 1-1 mapping to assign a public IP address to each of users that match the rules. • Use the VPN 1-1 Mapping > Profile screen (see Section 15.3 on page 229) to configure a pool profile which defines the public IP address(es) that the UAG assigns to the matched users and the interface through which the user's traffic is forwarded. 15.1.2 What You Need to Know VPN 1-1 Mapping, Security Policy and Policy Route With VPN 1-1 mapping, the relevant packet flow for traffic from the matched user is: UAG Series User's Guide 226
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