User Manual

Table Of Contents
Nighthawk AC1900 WiFi Cable Modem Router
Manage Your Network User Manual100
4. Select ADVANCED > Administration > Wireless Channel.
The page displays wireless channels in use in the 2.4 GHz WiFi band. Your network is
shown in blue. Yellow shows other networks in your area.
5. T
o view wireless channels in use in the 5 GHz WiFi band, select the 5 GHz a/n radio button.
6. T
o change the wireless channel, click the Change Channel button.
The Wireless Setup page displays.
7. In
the Channel list, select a different channel setting.
8. Click the Appl
y button.
Your settings are saved.
Dynamic DNS
Internet service providers (ISPs) assign numbers called IP addresses to identify each
Internet account. Most ISPs use dynamically assigned IP addresses. This means that the IP
address can change at any time. You can use the IP address to access your network
remotely, but most people don’t know what their IP addresses are or when this number
changes.
To make it easier to connect, you can get a free account with a Dynamic DNS service that lets
you
use a domain name to access your home network. To use this account, you must set up
the modem router to use Dynamic DNS. Then the modem router notifies the Dynamic DNS
service provider whenever its IP address changes. When you access your Dynamic DNS
account, the service finds the current IP address of your home network and automatically
connects you.
If your ISP assigns a private WAN IP address (su
ch as 192.168.x.x or 10.x.x.x), the Dynamic
DNS service does not work because private addresses are not routed on the Internet.