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
To enable NTP:
1. Type http://192.168.0.1 in the address field of your web browser.
Advanced Settings
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