User guide
        ADSL2+ 4-Port Ethernet USB Wireless-G Router - User Guide 
Click ACS Connect to manually connect to the ACS. Once a connection is established, 
the ACS can update all three fields: ACS URL, Periodic Inform Enabled, and Periodic 
Inform Interval. 
3. Click Apply to temporarily activate the settings. 
Note—The changes take effect when you click Apply; however, if the router 
configuration is not saved, these changes will be lost upon reboot. 
4.  To make the change permanent, click Save Settings. 
4.5.16 NAT Services 
If the user has more than one public IP address assigned by the ISP, these additional IP addresses 
can be used to map to servers on the LAN. One public IP address will be used to provide Internet 
access to the LAN PCs via NAT, serving as the primary IP address of the router. The rest will be 
mapped to servers on the LAN. Refer to Figure 1-28. 
Figure 1-28 : NAT Services 
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