User Manual
Table Of Contents
- User Manual
- Contents
- 1 Hardware Setup
- 2 Connect to the Network and Access the Modem Router
- 3 Specify Your Internet Settings
- 4 Control Access to the Internet
- 5 Share USB Devices Attached to the Modem Router
- USB Storage Device Requirements
- Connect a USB Storage Device to the Modem Router
- Access a USB Drive Connected to the Modem Router From a Windows Computer
- Map a USB Device to a Windows Network Drive
- Access a USB Storage Device That Is Connected to the Modem Router From a Mac
- Control Access to the USB Storage Device
- Use FTP Within the Network
- View or Change Network Folders on a USB Storage Device
- Add a Network Folder on a USB storage device
- Edit a Network Folder on a USB storage device
- Approve USB Devices
- Access the USB storage device Through the Internet
- Safely Remove a USB storage device
- 6 Share a USB Printer
- 7 Specify Network Settings
- View WAN Settings
- Set Up a Default DMZ Server
- Change the Modem Router’s Device Name
- Change the LAN TCP/IP Settings
- Specify the IP Addresses That the Modem Router Assigns
- Disable the DHCP Server Feature in the Modem Router
- Reserve LAN IP Addresses
- Improve Network Connections With Universal Plug and Play
- Use the WPS Wizard for WiFi Connections
- Specify Basic WiFi Settings
- Change the WiFi Security Option
- Set Up a Guest Network
- Control the Wireless Radios
- Set Up a Wireless Schedule
- Specify WPS Settings
- 8 Manage Your Network
- Change the Admin Password
- Set Up Password Recovery
- Recover the admin Password
- View Modem Router Status
- View Logs of Modem Router Activity
- View Event Logs
- Run the Ping Utility
- Run the Traceroute Utility
- Monitor Internet Traffic
- View Devices Currently on the Network
- Manage the Modem Router Configuration File
- View Wireless Access Points in Your Area
- View or Change the Modem Router Wireless Channel
- Dynamic DNS
- Remote Management
- 9 Specify Internet Port Settings
- 10 Troubleshooting
- A Supplemental Information
Nighthawk AC1900 WiFi Cable Modem Router
User Manual6
Chapter 8 Manage Your Network
Change the Admin Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Set Up Password Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Recover the admin Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
View Modem Router Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Display Internet Port Statistics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Check the Internet Connection Status . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
View Logs of Modem Router Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
View Event Logs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Run the Ping Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Run the Traceroute Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Monitor Internet Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
View Devices Currently on the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Manage the Modem Router Configuration File . . . . . . . . . . . . . . . . . . . . . . 96
Back Up Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Restore Configuration Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Erase the Current Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . .98
View Wireless Access Points in Your Area . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
View or Change the Modem Router Wireless Channel . . . . . . . . . . . . . . . . 99
Dynamic DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Specify a DNS Account. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Change the Dynamic DNS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Remote Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Chapter 9 Specify Internet Port Settings
Set Up Port Forwarding to a Local Server . . . . . . . . . . . . . . . . . . . . . . . . . .105
Add a Custom Port Forwarding Service . . . . . . . . . . . . . . . . . . . . . . . . .106
Edit a Port Forwarding Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Delete a Port Forwarding Entry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Application Example: Make a Local Web Server Public . . . . . . . . . . . .108
How the Modem Router Implements the Port Forwarding Rule . . . . .109
Set Up Port Triggering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
Add a Port Triggering Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Application Example: Port Triggering for Internet Relay Chat . . . . . .111
Chapter 10 Troubleshooting
Troubleshoot With the LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Power LED Is Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
LEDs Never Turn Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Internet LED Is Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Troubleshoot the Cable Internet Connection . . . . . . . . . . . . . . . . . . . . . . .115
Cannot Log In to the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Changes Not Saved . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Wireless Connectivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Troubleshoot Your Network Using the Ping Utility . . . . . . . . . . . . . . . . . . .118
Test the LAN Path to Your Modem Router . . . . . . . . . . . . . . . . . . . . . . .118










