User's Manual
Table Of Contents
- AC1200 WiFi Cable Modem Router
- Contents
- 1. Hardware Setup
- 2. Connect to the Network and Access the Modem Router
- 3. Specify Initial Settings
- 4. Control Access to the Internet
- 5. Share a USB Storage Device Attached to the Modem Router
- USB 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 Drive
- Use FTP Within the Network
- View or Change Network Folders on a USB Drive
- Add a Network Folder on a USB Storage Device
- Edit a Network Folder on a USB Storage Device
- Approve USB Storage Devices
- Safely Remove a USB Storage Device
- 6. Specify Network Settings
- View or Change the WAN Settings
- Change the MTU Size
- 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
- Manage LAN IP Addresses
- Use the WPS Wizard for WiFi Connections
- Specify Basic WiFi Settings
- Change the WiFi Security Option
- Set Up a WiFi Guest Network
- Control the WiFi Radios
- Specify WPS Settings
- Set Up a WiFi Access List
- Dynamic DNS
- Improve Network Connections With Universal Plug-N-Play
- 7. Manage Your Network
- View Modem Router Status
- Reboot the Modem Router
- Change the Router Mode
- View and Manage Logs of Modem Router Activity
- Manage the Modem Router Configuration File
- Change the admin Password
- View Event Logs
- Run the Ping Utility
- Run the Traceroute Utility
- View WiFi Access Points in Your Area
- View or Change the Modem Router WiFi Channel
- Remote Management
- Control the LED Settings
- 8. Specify Internet Port Settings
- 9. Troubleshooting
- A. Supplemental Information
4
AC1200 WiFi Cable Modem Router Model C6220
Chapter 5 Share a USB Storage Device Attached to the Modem Router
USB Device Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Connect a USB Storage Device to the Modem Router . . . . . . . . . . . . . . . . . . . . 35
Access a USB Drive Connected to the Modem Router From
a Windows Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Map a USB Device to a Windows Network Drive . . . . . . . . . . . . . . . . . . . . . . . . . 36
Access a USB Storage Device That Is Connected to the
Modem Router From a Mac . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Control Access to the USB Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Use FTP Within the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
View or Change Network Folders on a USB Drive . . . . . . . . . . . . . . . . . . . . . . . . 39
Add a Network Folder on a USB Storage Device . . . . . . . . . . . . . . . . . . . . . . . . . 41
Edit a Network Folder on a USB Storage Device. . . . . . . . . . . . . . . . . . . . . . . . . . 42
Approve USB Storage Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Safely Remove a USB Storage Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Chapter 6 Specify Network Settings
View or Change the WAN Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Change the MTU Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Set Up a Default DMZ Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Change the Modem Router’s Device Name. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Change the LAN TCP/IP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Specify the IP Addresses That the Modem Router Assigns . . . . . . . . . . . . . . . . 52
Manage LAN IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Reserve a LAN IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Edit a Reserved Address Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Delete a Reserved Address Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Use the WPS Wizard for WiFi Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Specify Basic WiFi Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Change the WiFi Security Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Set Up a WiFi Guest Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Control the WiFi Radios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Use the WiFi On/Off Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Enable or Disable the WiFi Radios. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Specify WPS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Set Up a WiFi Access List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Dynamic DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Improve Network Connections With Universal Plug-N-Play . . . . . . . . . . . . . . . 65
Chapter 7 Manage Your Network
View Modem Router Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
View Cable Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
View Internet Port Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
View WiFi Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Reboot the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Change the Router Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72










