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
Specify Network Settings
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AC1200 WiFi Cable Modem Router Model C6220
The guest network name is case-sensitive and can be up to 32 characters. You then
manually configure the WiFi devices in your network to use the guest network name in
addition to the main SSID.
7. Select a security option.
The WPA2 options use the newest standard for the strongest security, but some older
computers and WiFi devices cannot use it. We recommend that you select the WPA-PSK
[TKIP] + WPA2-PSK [AES] radio button. This setting protects your WiFi network and lets
computers and WiFi devices connect to the WiFi network by using either WPA2 or WPA
security.
8. Click the Apply button.
Your settings are saved.
Control the WiFi Radios
The modem router internal WiFi radios broadcasts signals in the 2.4 GHz range and 5 GHz
range. By default, these radios are on so that you can use WiFi to connect to the modem
router. When the WiFi radios are off, you can still use an Ethernet cable for a LAN connection
to the modem router.
You can turn the WiFi radios on and off with the WiFi On/Off button on the modem router, or
you can log in to the modem router and enable or disable the WiFi radios. If you are close to
the modem router, it might be easier to press its WiFi On/Off button. If you are away from the
modem router or you already logged in, it might be easier to enable or disable the radios.
Use the WiFi On/Off Button
To turn the WiFi radios off and on with the WiFi On/Off button:
Press the WiFi On/Off button on the modem router for two seconds.
If you turned off the WiFi radios, the WiFi On/Off LED and the WPS LED turn off. If you
turned on the WiFi radios, the WiFi On/Off LED and the WPS LED light.
Enable or Disable the WiFi Radios
If you used the WiFi On/Off button to turn off the WiFi radios, you can’t log in to the modem
router to turn them back on. You must press the WiFi On/Off button again for two seconds to
turn the WiFi radios back on.
To enable or disable the WiFi radios:
1. Launch a web browser from a WiFi-enabled computer or mobile device that is
connected to the network.
2. Type http://routerlogin.net or http://192.168.0.1.
A login window opens.










