SMC Networks Router SMCWBR14T User Manual
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ADVANCED SETTINGS 4-53 Address Mapping Network Address Translation (NAT) allows IP addresses used in a private local network to be mapped to one or more addresses used in the public, global Internet. This feature limits the number of public IP addresses required from the ISP and also maintains the privacy and security of the local network. We allow one public IP address to be mapped to a pool of local addresses. Click Save Settings to proceed, or Cancel to change your settings.
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CONFIGURING THE BAR RICADE 4-54 Virtual Server Using this feature, you can put PCs with public IPs and PCs with private IPs in the same LAN area. If you configure the Barricade as a virtual server, remote users accessing services such as web or FTP at your local site via public IP addresses can be automatically redirected to local servers configured with private IP addresses. In other words, depending on the requested service (TCP/UDP port number), the Barricade redirects the external service...
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ADVANCED SETTINGS 4-55 Special Applications Some applications, such as Internet gaming, videoconferencing, Internet telephony and others, require multiple connections. These applications cannot work with Network Address Translation (NAT) enabled. If you need to run applications that require multiple connections, use the following screen to specify the additional public ports to be opened for each application. Click the List of well known special applications link for more information. Specify the...
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CONFIGURING THE BAR RICADE 4-56 Popular applications requiring multiple ports are listed in the Popular Applications field. From the drop-down list, choose the application and then choose a row number to copy this data into. Note:Choosing a row that already contains data will overwrite the current settings. For a full list of ports and the services that run on them, see www.iana.org/assignments/port-numbers
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ADVANCED SETTINGS 4-57 NAT Mapping Table This page displays the current NAPT (Network Address Port Translation) address mappings. The NAT address mappings are listed 20 lines per page, click the control buttons to move forwards and backwards. As the NAT mapping is dynamic, a Refresh button is provided to refresh the NAT Mapping Table with the most updated values. The content of the NAT Mapping Table is described as follows: • Protocol - protocol of the flow. • Local IP - local (LAN) host’s IP address...
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CONFIGURING THE BAR RICADE 4-58 Maintenance Use the Maintenance menu to back up the current settings, to restore previously saved settings, or to restore the factory default settings. Configuration Tools Check Backup Wireless Router Configuration and click NEXT to save your Barricade’s configuration to a file named config.bin on your PC. You can then check the Restore from saved Configuration file (SMCWBR14T_backup.bin) radio button and click NEXT to restore the saved backup configuration file. To...
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MAINTENANCE 4-59 Firmware Upgrade Use this screen to update the firmware to the latest version. Go to www.smc.com to find the latest firmware. Download the firmware to your hard drive first. Click Browse... to locate the saved file. After locating the new firmware file, click BEGIN UPGRADE. Follow the instructions to complete the upgrade. After restarting, check the Status page to make sure the device is running the new code.
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CONFIGURING THE BAR RICADE 4-60 Reset Perform a reset from this screen. To perform a system reset, click the Reboot Wireless Router button in the screen above. The configurations that you have set previously will not be changed back to the factory default settings. Note:You may also use the blue Reset button on the rear panel of the Barricade to perform a reset. Push for one second to perform a reboot. All of your settings will remain upon restarting. Push for six seconds to return the Barricade...
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SYSTEM 4-61 System This section includes all the basic configuration tools for the Barricade, such as time settings, password settings, and remote management. Time Settings Set the time zone and time server for the Barricade. This information is used for log entries and client access control. Check Enable Automatic Time Server Maintenance to automatically maintain the Barricade’s system time by synchronizing with a public time server over the Internet. Then configure two different time servers by...
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CONFIGURING THE BAR RICADE 4-62 Password Settings Use this page to restrict access based on a password. For security you should assign one before exposing the Barricade to the Internet. Passwords can contain from 3 to12 alphanumeric characters and are case sensitive. Note:If your password is lost, or you cannot gain access to the user interface, press the Reset button (colored blue) on the rear panel (holding it down for at least six seconds) to restore the factory defaults. The default password is...