You can just set the settings wrapped inside the red rectangles to fit the request of NAT usage.
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Before upgrading your router firmware, you need to install the Router Tools. The Firmware
Upgrade Utility is included in the tools.
1. Insert CD of the router to your CD ROM.
2. From the webpage, please find out Utility menu and click it.
3. On the webpage of Utility, click Install Now! (under Syslog description) to install the
corresponding program.
4. The file RTSxxx.exe will be asked to copy onto your computer. Remember the place of
storing the execution file.
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Vigor110 User's Guide