Gateway CG3000, CG3100 NAT

Wireless Cable Voice Gateway CG3000/CG3100 User Manual

5-6 Customizing Your Network

v1.0, July 2009

The UPnP Portmap Table displays the IP address of each UPnP device that is currently

accessing the gateway and which internal and external ports of the gateway were opened by

that device. The UPnP Portmap Table also displays the protocol for the port that was opened

and if that port is still active for each IP address.

4. Perform one of the following actions:

• Click Apply to save your settings.

• Click Cancel to disregard any unsaved changes.

• Click Refresh to update the UPnP Portmap Table and to show the active ports that are

currently opened by UPnP devices.

NAT

You can enable or disable network address translation (NAT) protocol. In the main menu, under

Advanced, select NAT The following screen displays.

Figure 5-4

Normally the Turn NAT O n check box should be selected, which is the default setting.

Contents

Main ii v1.0, July 2009 Trademarks Statement of Conditions FCC Warning Statement Prohibition of Collocation Safety Information Page Page Contents Page Page Page About This Manual Conventions, Formats, and Scope How to Print This Manual Revision History Chapter 1 Connecting the Gateway Package Contents Gateway Front Panel 1-2 Connecting the Gateway Table 1-1. LED and Front Panel Button Descriptions Button Description Gateway Rear Panel Logging In to Your Gateway Page Page Page Chapter 2 Wireless Configuration security setting must be the same for the gateway and wireless computers or wireless adapters. Planning Your Wireless Network certified and WPA or WPA 2 capable, and that they support WPS configuration. Wireless Placement and Range Guidelines Wireless Security Options Manually Configuring Your Wireless Settings and Security Page Wireless Configuration 2-5 Table 2-1. Wireless Settings 2-6 Wireless Configuration Table 2-1. Wireless Settings (continued) Configuring WEP (Wired Equivalent Privacy) Wireless Security Configuring WPA-PSK or WPA2-PSK Wireless Security Using Push 'N' Connect (WPS) to Configure Your Wireless Network and Security Using a WPS Button to Add a WPS Client Page Using a PIN Entry to Add a WPS Client Connecting Additional Wireless Client Devices Adding Just WPS Clients Adding Both WPS and Non-WPS Clients Chapter 3 Content Filtering Viewing or E-mailing Logs Blocking Keywords, Sites, and Services Blocking Keywords and Domains Page Services Port Forwarding Configuring Port Forwarding to Local Servers Adding a Custom Rule Page Page Chapter 4 Managing Your Network Viewing the Modem Status The Modem Status screen fields are explained in the following table. Page Backing Up and Restoring Your Settings Changing the Built-In Password Running Diagnostic Utilities Page Viewing the Event Log Chapter 5 Customizing Your Network DMZ Host LAN IP Setup Page Reserving an IP Address for DHCP Use Configuring Universal Plug and Play (UPnP) NAT Normally the Turn NAT O n check box should be selected, which is the default setting. Chapter 6 Troubleshooting Basic Functions 6-2 Troubleshooting Using LEDs to Troubleshoot The following table provides help when using the LEDs for troubleshooting. Table 6-1. Using LEDs to Troubleshoot Connecting to the Gateways Main Menu Troubleshooting the ISP Connection Troubleshooting a TCP/IP Network Using a Ping Utility Testing the LAN Path to Your Gateway Testing the Path from Your PC to a Remote Device Page Default Settings and Technical Specifications A-1 Appendix A Default Settings and Technical Specifications Factory Default Settings A-2 Default Settings and Technical Specifications Technical Specifications The table below describes the technical specifications for the gateway. Page Page Appendix B Related Documents Page Index Index-2 S T U W