ZyXEL VSG-1200 User Manual download pdf (Page 78)

VSG-1200 V2 User’s Guide

Chapter 8 NAT Pool 78

8.3 NAT Pool Setup

Note: You only need to set the NAT address pool if the remote VPN server(s) allows

only one connection per source IP address.

You need to acquire additional public IP address(es) from your ISP to create

NAT pool(s).

To set the NAT address pool, click System Settings and NAT Pool in the navigation panel. A

screen displays as shown next.

Figure 29 System Settings: NAT Pool

The following table describes the labels in this screen.

Table 15 NAT Example: One-to-One and Many-to-One

SUBSCRIBER ORIGINAL SOURCE IP TRANSLATED SOURCE IP

S1 10.59.1.2 211.21.21.2

S2 10.59.1.3 211.21.21.2

S3 10.59.1.4 211.21.21.3

Table 16 System Settings: NAT Pool

LABEL DESCRIPTION

Disable Select this option to deactivate this feature. Subscribers are not be able to establish

multiple connections simultaneously to the same VPN server (that has the single-

connection-per-source limitation).

Enable Select this option to perform address translation on the WAN to allow subscribers to

establish simultaneous connections to the same VPN server (that has the single-

connection-per-source limitation).

You must then configure the address pool for VPN connections.

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ZyXEL VSG-1200 User Manual Page 78