NETGEAR N450/CG3000Dv2 user manual Set Networking Protocols,  To enable NTP

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2

The modem router main menu displays.

3.In the main menu, under Advanced, select UPnP.

4.Select the Turn UPnP On check box.

By default, this check box is cleared. This prevents the modem router from allowing any devices to automatically control the resources, such as port forwarding, of the modem router.

5.Complete the Advertisement Period (in minutes) and Advertisement Time to Live (in hops) fields.

The UPnP Portmap Table displays the IP address of each UPnP device that is accessing the modem router and which internal and external ports of the modem router that device opened. 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.

6.To save your changes, click the Apply button.

7.To disregard any unsaved changes, click the Cancel button.

8.To update the UPnP Portmap Table and to show the active ports that are currently opened by UPnP devices, click the Refresh button to.

Set Networking Protocols

Network Time Protocol (NTP) is a networking protocol that synchronizes clocks between computer systems over packet-switched, variable-latency data networks.

To enable NTP:

1. Type http://192.168.0.1 in the address field of your web browser.

Advanced Settings

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Contents N450 WiFi Cable Modem Router Model N450/CG3000Dv2 Compliance SupportTrademarks Contents Appendix a Supplemental Information Connecting to the Internet Ethernet cable Power adapter Modem router Hardware FeaturesUnpack Your Modem Router Front Panel WPS Back Panel Position Your Modem Router Label To position your modem router  To cable your modem router Cable Your Modem RouterConnect Computer to the Modem Router  To use WPS to connect to the WiFi networkLog In to Your Modem Router  To find and select the WiFi network To log in to the modem router  To view or configure basic settings View Basic SettingsNotify Your Internet Service Provider Cable ISP Contact Information Configuring Your Wireless Network  To view or configure the wireless settings Set Up Your Wireless NetworkConfiguring Your Wireless Network Use WPS Wireless Setup  To add a client to your modem router using the WPS button Add a Client Using the WPS ButtonConfiguring Your Wireless Network  To add a client to your modem router using a PIN Add a Client Using a PIN To set up Wi-Fi Multimedia Set Up Wi-Fi MultimediaChange the Password  To change the password Filtering Content  To view or set up notification of attacks by email View Denial of Service Attack Logs To block access to sites containing certain words Limit Internet Site Access To allow a keyword that was previously blocked  To block access to certain domains  To unblock a domain  To allow unrestricted access Allow Unrestricted AccessEnable or Disable Modem Router Features  To enable or disable specific firewall features  To enable or disable specific web features  To enable or disable specific NAT ALG Status features Filtering Content Maintaining Your Network  To view the modem router status View the Modem Router StatusView the Connection Status  To view the modem router’s initialization procedureBack Up and Restore Your Settings  To restore the backup settings  To back up the settingsView the Event Log  To view or clear the event log  To run a ping test Run the Diagnostic Utilities To clear the results from the display  To run a traceroute test Traceroute Utility To clear the results from the display Maintaining Your Network Advanced Settings  To configure advanced wireless settings Advanced Wireless SettingsMAC Filtering Configure the settings described in the following tableAdvanced Settings  To stop blocking a computer IP Filtering  To set up IP filtering To remove a computer from the list Advanced Settings  To delete a device from the IP Filter List Port Blocking To add a custom service  To delete a custom service from the Active Filters table Port Forwarding Advanced Settings Port Triggering  To configure port triggeringAdvanced Settings  To return all trigger and target ranges to zero  To remove a configured port trigger from the tableDMZ Host  To set up a DMZ host To configure LAN IP settings LAN IP SetupSelect the Respond to Ping on WAN Port check box Click the Apply button  To reserve an IP address for Dhcp Reserve an IP Address for Dhcp Use To configure the switch ports LAN Switch To disable a LAN port  To configure UPnP Configure Universal Plug and PlaySet Networking Protocols  To enable NTPEnable Network Address Translation  To disable NAT Access a USB Device on the Network To access a USB device from a Windows computer  To access a USB device from a MAC computer Type smb//192.168.0.5 in the Server Address field Select Go Connect to Server To safely remove a USB device Click the Safely Remove USB Device button Troubleshooting Connect to the Modem Router’s Main Menu Basic FunctionsTroubleshoot the ISP Connection Troubleshoot a TCP/IP Network Using a Ping UtilityPing Test the LAN Path to Your Modem RouterTroubleshooting Supplemental Information Factory default settings Factory Default SettingsWPA/WPA2 Technical SpecificationsSupplemental Information