Netgear C6220 User Manual
User Manual
AC1200 WiFi Cable Modem Router
Model C6220
February 2021
202-12220-01
NETGEAR, Inc.
350 East Plumeria Drive
San Jose, CA 95134, USA
AC1200 WiFi Cable Modem Router Model C6220
Support and Community
Visit netgear.com/support to get your questions answered and access the latest downloads.
You can also check out our NETGEAR Community for helpful advice at community.netgear.com.
Customer-owned cable devices might not be compatible with certain cable networks. Check with your
cable Internet provider to confirm that this NETGEAR cable device is allowed on your cable network.
If you are experiencing trouble installing your cable device, contact NETGEAR at 1-866-874-8924.
Note to CATV system installer: This reminder is provided to call the CATV systems installer’s attention
to Section 820-93 of the National Electrical Code, which provide guidelines for proper grounding
and in particular, specify that coaxial cable shield shall be connected to the grounding system of the
building, as close to the point of cable entry as practical.
Regulatory and Legal
Si ce produit est vendu au Canada, vous pouvez accéder à ce document en français canadien à
https://www.netgear.com/support/download/.
(If this product is sold in Canada, you can access this document in Canadian French at
https://www.netgear.com/support/download/.)
For regulatory compliance information including the EU Declaration of Conformity, visit
https://www.netgear.com/about/regulatory/.
See the regulatory compliance document before connecting the power supply. For NETGEAR’s Privacy
Policy, visit https://www.netgear.com/about/privacy-policy.
By using this device, you are agreeing to NETGEAR’s Terms and Conditions at
https://www.netgear.com/about/terms-and-conditions. If you do not agree, return the device to your
place of purchase within your return period.
Trademarks
©NETGEAR, Inc. NETGEAR and the NETGEAR Logo are trademarks of NETGEAR.
User Manual2
Contents
Chapter 1 Hardware Setup
Chapter 2 Connect to the Network and Access the Modem Router
Unpack Your Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Position Your Gateway. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Cable Your Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Cable the Modem Router With a Simple Network . . . . . . . . . . . . . . . . .12
Cable Your Modem Router to a Router or Gateway . . . . . . . . . . . . . . . . 13
Activate Your Internet Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Activate Your Internet Service With Comcast Xfinity . . . . . . . . . . . . . . . . . . 16
Use the Self-Activation Process to Set Up Your Internet Connection. .16
Call Comcast Xfinity to Set Up Your Internet Connection . . . . . . . . . . .16
Perform a Speed Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Connect to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Wired Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
WiFi Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Types of Logins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Log In to the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Chapter 3 Specify Initial Settings
Specify the Cable Connection Starting Frequency . . . . . . . . . . . . . . . . . . .24
View Modem Router Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Specify the Internet Connection Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Specify an IPv6 Internet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Chapter 4 Control Access to the Internet
Use Keywords to Block Internet Sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Add a Keyword to Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Delete a Keyword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Block Services From the Internet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Schedule When to Block Internet Sites and Services . . . . . . . . . . . . . . . . .34
Avoid Blocking on a Trusted Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Set Up Security Event Email Notifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4
AC1200 WiFi Cable Modem Router Model C6220
Chapter 5 Share a USB Storage Device Attached to the Modem Router
USB Device Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Connect a USB Storage Device to the Modem Router . . . . . . . . . . . . . . . . 38
Access a USB Drive Connected to the Modem Router From a Windows Computer
39
Map a USB Device to a Windows Network Drive . . . . . . . . . . . . . . . . . . . . .40
Access a USB Storage Device That Is Connected to the Modem Router From a Mac
40
Control Access to the USB Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Use FTP Within the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
View or Change Network Folders on a USB Drive . . . . . . . . . . . . . . . . . . . .43
Add a Network Folder on a USB Storage Device . . . . . . . . . . . . . . . . . . . . . 45
Edit a Network Folder on a USB Storage Device . . . . . . . . . . . . . . . . . . . . . 46
Approve USB Storage Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Safely Remove a USB Storage Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Chapter 6 Specify Network Settings
View or Change the WAN Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Change the MTU Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Set Up a Default DMZ Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Change the Modem Router’s Device Name . . . . . . . . . . . . . . . . . . . . . . . . .54
Change the LAN TCP/IP Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Specify the IP Addresses That the Modem Router Assigns . . . . . . . . . . . . . 56
Manage LAN IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Reserve a LAN IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Edit a Reserved Address Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Delete a Reserved Address Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Use the WPS Wizard for WiFi Connections . . . . . . . . . . . . . . . . . . . . . . . . . .59
Specify Basic WiFi Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Change the WiFi Security Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Set Up a WiFi Guest Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Control the WiFi Radios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Use the WiFi On/Off Button. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Enable or Disable the WiFi Radios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Specify WPS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Set Up a WiFi Access List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Dynamic DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Improve Network Connections With Universal Plug-N-Play . . . . . . . . . . . . 70
Chapter 7 Manage Your Network
View Modem Router Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
View Cable Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
View Internet Port Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
View WiFi Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Reboot the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Change the Router Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
User Manual5
AC1200 WiFi Cable Modem Router Model C6220
View and Manage Logs of Modem Router Activity. . . . . . . . . . . . . . . . . . . . 77
Manage the Modem Router Configuration File . . . . . . . . . . . . . . . . . . . . . . 79
Back Up Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Restore Configuration Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Erase the Current Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . .80
Change the admin Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
View Event Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Run the Ping Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Run the Traceroute Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
View WiFi Access Points in Your Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
View or Change the Modem Router WiFi Channel. . . . . . . . . . . . . . . . . . . . 86
Remote Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Set Up Remote Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Use Remote Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Control the LED Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Chapter 8 Specify Internet Port Settings
Set Up Port Forwarding to a Local Server . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Add a Custom Port Forwarding Service . . . . . . . . . . . . . . . . . . . . . . . . . .93
Edit a Port Forwarding Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Delete a Port Forwarding Entry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Application Example: Make a Local Web Server Public . . . . . . . . . . . . .95
How the Modem Router Implements the Port Forwarding Rule . . . . . .96
Set Up Port Triggering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Add a Port Triggering Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Specify When to Use Port Triggering. . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Application Example: Port Triggering for Internet Relay Chat . . . . . . .99
Chapter 9 Troubleshooting
Use LEDs to Troubleshoot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Cannot Log In to the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Troubleshoot the ISP Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Troubleshoot a TCP/IP Network Using a Ping Utility . . . . . . . . . . . . . . . . .104
Use PIng to Test the LAN Path to Your Gateway . . . . . . . . . . . . . . . . . .105
Use Ping to Test the Path From a Windows Computer to a Remote Device105
Appendix A Supplemental Information
Factory Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
User Manual6
1
1Hardware Setup
This chapter covers the following topics:
• Unpack Your Modem Router
• Front Panel
• Rear Panel
• Position Your Gateway
• Cable Your Modem Router
• Activate Your Internet Service
• Activate Your Internet Service With Comcast Xfinity
For more information about the topics covered in this manual, visit the support website at
http://support.netgear.com.
7
AC1200 WiFi Cable Modem Router Model C6220
Ethernet cable
Power adapter
Modem router
Antennas (2)
Unpack Your Modem Router
Your package contains the following items.
Figure 1. Package contents
Front Panel
The modem router status LEDs and buttons are on the front.
Figure 2. Modem router front view
You can control the LED settings. For information about how to specify the LED settings, see
Control the LED Settings on page 89.
Hardware Setup User Manual8
AC1200 WiFi Cable Modem Router Model C6220
You can use the LEDs to verify status and connections. The following table lists and
describes each LED and button on the front panel of the modem router.
LED Description
WPS button with LED
This button lets you use WPS to join the WiFi network without typing the WiFi password.
The WPS LED blinks during this process and then lights solid.
WiFi On/Off button with LED
Power
Downstream
Upstream
Internet
Pressing this button for two seconds turns the WiFi radios in the modem router on and off. If
this LED is lit, the WiFi radios are on. If this LED is off, the WiFi radios are turned off and
you cannot use WiFi to connect to the modem router.
• Green. Power is supplied to the modem router.
• Red. Powe
r is cut off due to a thermal error caused by heat. Move the unit to a well
ventilated area and power cycle the unit.
• Off. No
power is supplied to the modem router.
• Solid green. One or more downstream channels are locked.
• Blinking green. T
• Off. No
downstream channel is locked.
he unit is scanning for a downstream channel.
• Solid green. One or more upstream channels are locked.
• Blinking green. The unit is scanning for an upstream channel.
• Off.
No upstream channel is locked.
• Solid green. The modem router is online.
• Blinking green. The modem router is synchronizing with the cable provider’s cable
modem termination system (CMTS).
• Off. T
he modem router is offline.
2.4 GHz radio
5 GHz radio
Ethernet • Green.
• Green. The 2.4 GHz radio is on.
• Blinking green. T
• Off. T
he 2.4 GHz radio is off.
here is WiFi traffic on the 2.4 GHz band.
• Green. The 5 GHz radio is on.
• Blinking green. T
• Off. T
he 5 GHz radio is off.
here is WiFi traffic on the 5 GHz band.
A device is connected to an Ethernet port and powered on.
• Blinking green. The Ethernet port is sending or receiving traffic.
• Off.
No device is connected to an Ethernet port.
USB • Green. A USB device is connected to the port on the back panel.
• Off. No
USB device is connected to the port on the back panel.
Hardware Setup User Manual9
AC1200 WiFi Cable Modem Router Model C6220
LED On-Off
switch
USB 2.0 port
Ethernet
ports
Reset
button
Coaxial
cable
connector
Power
adapter
input
Power
On/Off
button
Rear Panel
The rear panel connections and buttons shown the following figure.
Figure 3. Modem router rear panel
Position Your Gateway
The modem router lets you access your network anywhere within the operating range of your
WiFi network. However, the operating distance or range of your WiFi connection can vary
significantly depending on the physical placement of your modem router. For example, the
thickness and number of walls the WiFi signal passes through can limit the range.
Additionally, other WiFi access points in and aroun
router’s signal. WiFi access points are modem routers, repeaters, WiFi range extenders, and
any other device that emits a WiFi signal for network access.
Position your modem router according to
• Place yo
devices operate, and within line of sight to your WiFi devices.
• Make su
cables for wired computers.
ur modem router near the center of the area where your computers and other
re that the modem router is within reach of an AC power outlet and near Ethernet
the following guidelines:
d your home might affect your modem
Hardware Setup User Manual10
AC1200 WiFi Cable Modem Router Model C6220
• Place the modem router in an elevated location, minimizing the number walls and ceilings
between the modem router and your other devices.
• Place the modem router away from electrical devices such as these:
- Ceiling fans
- Home security systems
- Microwaves
- Computers
- Base of a cordless phone
- 2.4 GHz cordless phone
• Place the modem router away from large metal surfaces, large glass surfaces, and
insulated walls such as these:
- Solid metal door
- Aluminum studs
- Fish tanks
- Mirrors
- Brick
- Concrete
Cable Your Modem Router
The most common way to cable your modem router is the simplest, without any other routers
or gateways on the same network. You can also cable the modem router to another router or
gateway and log in to the modem router to specify the Router Mode setting.
Hardware Setup User Manual11
AC1200 WiFi Cable Modem Router Model C6220
Modem router
Power adapter
Coaxial cable
Ethernet cable
Cable the Modem Router With a Simple Network
The modem router comes configured to work as both a modem and a router. You can share
your Internet connection without connecting the modem router to a router or gateway.
Figure 4. Simple modem router network
To cable your modem router:
1. Connect the an
urn off existing modems and routers.
2. T
If you are replacing a modem that is currently connected in yo
tennas to the threaded antenna posts.
ur home, unplug the
modem and plug the new modem router into the same outlet.
3. Connect a coaxial cable.
Use the coaxial cable that is provided by your cable comp
any to connect the cable port on
the modem router to a cable wall outlet.
Note: If Charte
r is your cable Internet service provider (ISP), Charter
recommends connecting your modem router directly to a cable wall
outlet. If you must use a splitter, use a splitter that is rated at 3.5 dBmv.
Make sure that the cable is tightly connected.
4. Connect
the power adapter to the modem router and plug the power adapter into an
electrical outlet.
Make sure that the Power On/Off button and the LED On-Off switch on
the rear panel of
the modem router are in the On position.
The startup procedure takes about one minute. When the startup procedure is complete,
the Power
You can log in to the modem router to view or change
LED lights green.
its settings.
Hardware Setup User Manual12
AC1200 WiFi Cable Modem Router Model C6220
Cable Your Modem Router to a Router or Gateway
If you want to cable the modem router to a router or gateway, you must log in to the modem
router and change its Router Mode setting. Changing this setting prevents certain network
conflicts that can occur when two devices on the same network perform routing functions
such as network address translation (NAT) and DHCP (assigning IP addresses to devices on
the network).
To cable your modem router to a gateway or router:
1. Connect the antennas to the threaded antenna posts.
2. Turn off existing modems and routers.
If you are replacing a modem that is currently connected in your home, unplug the
modem and plug the new modem router into the same outlet.
3. Connect a coaxial cable.
Use the coaxial cable that is provided by your cable company to connect the cable port
on the modem router to a cable wall outlet.
Note: If Charter is your cable Internet service provider (ISP), Charter
recommends connecting your modem router directly to a cable wall
outlet. If you must use a splitter, use a splitter that is rated at 3.5 dBmv.
Make sure that the cable is tightly connected.
4. Connect the power adapter to the modem router and plug the power adapter into an
electrical outlet.
Make sure that the Power On/Off button and the LED On-Off switch on the rear panel of
the modem router are in the On position.
The startup procedure takes about one minute. When the startup procedure is complete,
the Power LED lights green.
5. On your WiFi-enabled computer or mobile device, find and select the WiFi network.
The WiFi network name is on the modem router label.
6. Join the WiFi network and enter the WiFi password.
The password is on the modem router label.
Your WiFi device connects to the WiFi network.
7. Launch a web browser.
8. Type http://routerlogin.net or http://192.168.0.1.
A login window opens.
9. Enter the modem router user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
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AC1200 WiFi Cable Modem Router Model C6220
10. When prompted, change the password and enter security questions and answers.
The BASIC Home page displays.
11. Select AD
VANCED > Administration > Router Mode.
The Router Mode page displays.
12. Select the No radio
button.
With this setting, the modem router works as a bridge and the router behind it obtains a
WAN IP address from the Internet service provider.
13. Click the Appl
y button.
Your settings are saved.
14. Fo
llow the instructions that came with your router to connect it to the modem router.
Activate Your Internet Service
To activate your Internet service:
isit your cable Internet provider’s website and follow the onscreen instructions to
1. V
activate your Internet service.
Cable ISP Contact Information
Cox https://www.cox.com/residential/support/home.html
https://www.cox.com/activate
1-888-556-1193
Mediacom https://support.mediacomcable.com
1-855-Mediacom (1-855-633-4226)
Optimum https://www.optimum.net/support/contact-us
https://install.optimum.com/JointInstall
1-877-810-6750
Sparklight
https://support.sparklight.com
1-877-692-2253
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AC1200 WiFi Cable Modem Router Model C6220
Made in China
Cable ISP Contact Information
Spectrum https://www.spectrum.net/contact-us
https://activate.spectrum.net
1-833-267-6094
Xfinity https://www.xfinity.com/internetsetup
Use the Xfinity app for Xfinity activation.
Note: Your cable Internet provider’s contact information might change. You
can also find the contact information in your monthly Internet service
billing statement.
2. If you are unable to activate your Internet service using the instructions on your cable
Internet provider’s website, call your cable Internet provider and do the following:
a. W
hen asked, provide your account information and provide the modem router’s
model number, which is C6220, serial number, and MAC address.
The serial number and MAC address are on the modem router label.
b. Wait for your cable Internet provider to confirm that your modem router is active.
c. I
f you do not get an Internet connection with the modem router, ask your cable
Internet provider to look for your modem router online, and do one of the following
depending what your cable Internet provider tells you about your modem router:
f the modem router is not visible, your cable Internet provider can give you
• I
instructions to verify why the modem router does not connect with your high-speed
Internet service.
• I
f the modem router is visible to your cable Internet provider, reboot the modem
router. Check your online status again.
Hardware Setup User Manual15
AC1200 WiFi Cable Modem Router Model C6220
Activate Your Internet Service With Comcast Xfinity
Activate your Internet service by using Comcast Xfinity’s self-activation process. If you are
unable to self-activate your modem router, call Comcast Xfinity customer service. After you
complete the setup, perform a speed test.
Before you start the self-activation process, make sure that your account number, account
phone number, and login information (your email address or user name and password) are
nearby.
Set Up and Activate Your Modem Router With Xfinity
1. If your current modem is leased from Xfinity, call Xfinity support to remove your leased
modem from your Xfinity service.
2. Make sure that your mobile device is using an LTE Internet connection (do not connect to a
WiFi network).
3. Open the Xfinity app and sign in with your Xfinity ID.
4. Follow the steps to get online.
5. The activation process takes about five minutes.
6. On your mobile device, launch a web browser and enter routerlogin.net or 192.168.0.1 in
the address field.
7. Follow the prompts to:
• Agree to the terms and conditions.
• Change your modem router’s admin credentials and set up security questions.
Review your WiFi network name and password.
Call Comcast Xfinity to Set Up Your Internet Connection
If you are unable to activate your modem router using the Xfinity self-activation process, call
Comcast Xfinity customer service.
Hardware Setup User Manual16
AC1200 WiFi Cable Modem Router Model C6220
Made in China
Before you call Comcast Xfinity, make sure that your account number, account phone
number, email address, and password are nearby. The cable modem’s model number is
C6220. The serial number and MAC address are on the modem router label.
Figure 5. Modem router label
To set up your Internet connection by calling Comcast Xfinity:
1. Call Comcast Xf
2. When asked, pro
number and MAC address.
ait for Comcast Xfinity to confirm that your modem router is active.
3. W
4. If you
do not get an Internet connection with the modem router, ask Comcast Xfinity to look
for your modem router online, and do one of the following depending on what Comcast
Xfinity tells you about your modem router:
f the modem router is not visible, Comcast Xfinity can give you instructions to verify
• I
why the modem router does not connect with your high-speed Internet service.
• I
f the modem router is visible to Comcast Xfinity, reboot the modem router. Check
your online status again.
inity customer service at 1-800-Xfinity (1-800-934-6489).
vide your account information and provide the modem router’s model
Set Up Your Modem Router With Another Cable Internet Service Provider
1. Connect your computer or mobile device to the modem router with WiFi or Ethernet:
WiFi: Use the
connect.
Ethernet: Use a
modem router. (Your computer must have an Ethernet port.)
WiFi network name (SSID) and password on the modem router label to
n Ethernet cable to connect a computer to an Ethernet port on the
2. Launch a web
3. Follow t
• Agr
• Cha
• Review your WiFi ne
Hardware Setup User Manual17
he prompts to:
ee to the terms and conditions.
browser and enter routerlogin.net or 192.168.0.1 in the address field.
nge your modem router’s admin credentials and set up security questions.
twork name and password.
AC1200 WiFi Cable Modem Router Model C6220
Perform a Speed Test
To determine the accurate Internet speed, visit the speed test website of your cable Internet
provider and perform a speed test.
If your actual speed is lower than your subscribed speed, contact your cable Internet
provider.
Hardware Setup User Manual18
2
2Connect to the Network and
Access the Modem Router
This chapter contains the following sections:
• Connect to the Network
• Types of Logins
• Log In to the Modem Router
18
AC1200 WiFi Cable Modem Router Model C6220
Connect to the Network
You can connect to the modem router’s network through a wired or WiFi connection. If you
set up your computer to use a static IP address, change the settings so that it uses Dynamic
Host Configuration Protocol (DHCP).
Wired Connection
You can connect your computer to the modem router using an Ethernet cable and join the
modem router’s local area network (LAN).
To connect your computer to the modem router with an Ethernet cable:
1. Make sure that the modem router is receiving power (its Power LED is lit).
If the Power LED does not light, make sure that the Power On/Off button and the LED
On-Off switch on the rear panel of the modem router are in the On position.
2. Connect an Ethernet cable to an Ethernet port on your computer.
3. Connect the other end of the Ethernet cable to one of the numbered Ethernet ports.
Your computer connects to the local area network (LAN). A message might display on
your computer screen to notify you that an Ethernet cable is connected.
WiFi Connection
You can connect to the modem router’s WiFi network with Wi-Fi Protected Setup (WPS) or
you can find and select the WiFi network.
To use WPS to connect to the WiFi network:
1. Make sure that the modem router is receiving power (its Power LED is lit).
If the Power LED does not light, make sure that the Power On/Off button and the LED
On-Off switch on the rear panel of the modem router are in the On position.
2. Press the WPS button on the modem router.
3. Within two minutes, on your WiFi-enabled computer or mobile device, press its WPS button
or follow its instructions for WPS connections.
Your WiFi-enabled computer or mobile device connects to the WiFi network.
To find and select the WiFi network:
1. Make sure that the modem router is receiving power (its Power LED is lit).
If the Power LED does not light, make sure that the Power On/Off button and the LED
On-Off switch on the rear panel of the modem router are in the On position.
2. On your WiFi-enabled computer or mobile device, find and select the WiFi network.
Connect to the Network and Access the
Modem Router
User Manual19
AC1200 WiFi Cable Modem Router Model C6220
Made in China
The WiFi network name is on the modem router label.
3. Join
the WiFi network and enter the WiFi password.
The password is on the modem router label.
Your WiFi device connects to the
WiFi network.
Label
The label on the modem router shows the login information, MAC address, and serial
number.
Figure 6. Modem router label
Types of Logins
Separate types of logins serve different purposes. It is important that you understand the
difference so that you know which login to use when.
Types of logins:
• Modem router login.This log
browser as admin.
• e oth
• WiFi network key or password. Y
er way. If you cannot find this login information, contact your service provider.
network name (SSID) and password for WiFi access. This information is on the modem
router label.
s you in to the modem router web pages from a web
our modem router is preset with a unique WiFi
Log In to the Modem Router
When you connect to the network (either with WiFi or with an Ethernet cable), you can use a
web browser to access the modem router to view or change its settings. The first time you
access the modem router, the modem router automatically checks to see if it can connect to
your Internet service.
Connect to the Network and Access the
Modem Router
User Manual20
AC1200 WiFi Cable Modem Router Model C6220
To log in to the modem router:
1. L
aunch a web browser from a WiFi-enabled computer or mobile device that is
connected to the network.
2. T
ype http://routerlogin.net or http://192.168.0.1.
A login window opens.
3. Ente
r the modem router user name and password.
The user name is adm
in. The default password is password. The user name and
password are case-sensitive.
The first time you log in to the modem rou
ter, you are prompted to change the admin
password and set up security questions. You must enter these settings before you can
access the Internet.
4. Enter a new password.
5. Select securit
y questions and enter the answers.
Connect to the Network and Access the
Modem Router
User Manual21
AC1200 WiFi Cable Modem Router Model C6220
6. Click the Next button.
7. Click the Next button.
The modem router connects to the Internet. The BASIC Home page displays the status of
the In
ternet connection.
Connect to the Network and Access the
Modem Router
User Manual22
3
3Specify Initial Settings
This chapter contains the following sections:
• Specify the Cable Connection Starting Frequency
• View Modem Router Initialization
• Specify the Internet Connection Settings
• Specify an IPv6 Internet Connection
23
AC1200 WiFi Cable Modem Router Model C6220
Specify the Cable Connection Starting Frequency
The starting frequency is automatically generated. For most Internet connections, you do not
need to specify this information. If you must enter a starting frequency, contact your Internet
service provider.
To change the starting frequency:
1. Laun
2. Ty
3. Enter
4. Select Cab
ch a web browser from a WiFi-enabled computer or mobile device that is
connected to the network.
pe http://routerlogin.net or http://192.168.0.1.
A login window opens.
the modem router user name and password.
The user name is ad
password are case-sensitive.
The BASIC Home page displays.
le Connection.
min. The default password is password. The user name and
5. Enter an number in the Starting Frequency field.
6. Click the Appl
Your settings are saved.
Specify Initial Settings User Manual24
y button.
AC1200 WiFi Cable Modem Router Model C6220
View Modem Router Initialization
You can track the initialization procedure of the modem router and get details about the
downstream and upstream cable channel. The time is displayed after the modem router is
initialized.
The modem router automatically goes through th
process:
• Scans and locks th
• Obt
• Con
To view the status of the modem router initialization:
1. L
2. T
3. Ente
4. Select Cable Connec
ains a WAN address for the modem router.
nects to the Internet.
aunch a web browser from a WiFi-enabled computer or mobile device that is
connected to the network.
ype http://routerlogin.net or http://192.168.0.1.
A login window opens.
r the modem router user name and password.
The user name is adm
password are case-sensitive.
The BASIC Home page displays.
e downstream frequency and then ranges the upstream channels.
in. The default password is password. The user name and
tion.
e following steps in the provisioning
The Startup Procedure section displays the initialization progress.
The Downstream Bonded Channels section displays the st
Specify Initial Settings User Manual25
atus of each channel.
AC1200 WiFi Cable Modem Router Model C6220
Specify the Internet Connection Settings
You can view or change the modem router’s Internet connection settings.
To specify the Internet connection settings:
1. Laun
2. Ty
3. Enter
4. Select A
ch a web browser from a WiFi-enabled computer or mobile device that is
connected to the network.
pe http://routerlogin.net or http://192.168.0.1.
A login window opens.
the modem router user name and password.
The user name is ad
password are case-sensitive.
The BASIC Home page displays.
DVANCED > Setup > Internet Setup.
min. The default password is password. The user name and
5. If your Internet connection requires an account name or host name, type it in the Account
Name (If Required) field.
6. If
your Internet connection requires a domain name, type it in the Domain Name (If
Required) field.
For the other sections on this page, the default settings usually work, but you can change
them.
7. Select an Internet IP
• Get Dynamically from ISP. Y
automatically assigns these addresses.
• Use Static IP Address. Ent
address that your ISP assigned. The gateway is the ISP modem router to which your
modem router connects.
Specify Initial Settings User Manual26
Address radio button:
our ISP uses DHCP to assign your IP address. Your ISP
er the IP address, IP subnet mask, and the gateway IP
AC1200 WiFi Cable Modem Router Model C6220
8. Select a Domain Name Server (DNS) Address radio button:
• Get Automatically from ISP. Y
ISP automatically assigns this address.
• Use These DNS Servers. I
this option. Enter the IP address of your ISP’s primary DNS server. If a secondary
DNS server address is available, enter it also.
our ISP uses DHCP to assign your DNS servers. Your
f you know that your ISP requires specific servers, select
9. Click the Ap
Your settings are saved.
Note: If you get address not found errors when you go to a website, it is
ply button.
likely that your DNS servers are not set up correctly. Contact your ISP
to get the DNS server addresses.
Specify an IPv6 Internet Connection
To specify an IPv6 Internet connection:
aunch a web browser from a WiFi-enabled computer or mobile device that is
1. L
connected to the network.
2. T
ype http://routerlogin.net or http://192.168.0.1.
A login window opens.
3. Ente
r the modem router user name and password.
The user name is adm
password are case-sensitive.
in. The default password is password. The user name and
The BASIC Home page displays.
4. Select A
If your Internet provider supports IPv6, the System Delegated Prefix field displays IPv6
information.
Specify Initial Settings User Manual27
DVANCED > Setup > IPV6.
AC1200 WiFi Cable Modem Router Model C6220
5. Select an IP Address Assignment radio button:
• Use DHCP Server. This method passes more information to LAN devices, but some
IPv6 systems might not support the DHCv6 client function.
• Auto Config. This is the default setting.
This setting specifies how the modem router assigns IPv6 addresses to the home
network (the LAN).
6. Complete the fields in the Server Setting section.
7. Click the Apply button.
Your settings are saved.
Specify Initial Settings User Manual28
4
4Control Access to the Internet
This chapter explains how to prevent objectionable content from reaching the computers and
other devices that are connected to your network.
This chapter includes the following sections:
• Use Keywords to Block Internet Sites
• Use Keywords to Block Internet Sites
• Block Services From the Internet
• Schedule When to Block Internet Sites and Services
• Avoid Blocking on a Trusted Computer
• Set Up Security Event Email Notifications
29
AC1200 WiFi Cable Modem Router Model C6220
Use Keywords to Block Internet Sites
You can use keywords to block certain Internet sites from your network. You can use blocking
all the time or based on a schedule.
Add a Keyword to Block
To block Internet sites:
1. Laun
2. Ty
3. Enter
4. Select A
ch a web browser from a WiFi-enabled computer or mobile device that is
connected to the network.
pe http://routerlogin.net or http://192.168.0.1.
A login window opens.
the modem router user name and password.
The user name is ad
password are case-sensitive.
The BASIC Home page displays.
DVANCED > Security > Block Sites.
min. The default password is password. The user name and
5. Select one of the keyword blocking options:
• Per Schedule. T
Schedule When to Block Internet Sites and Services on page 34.)
(See
• Always. T
6. In
the Keyword field, enter a keyword or domain that you want to block.
For example:
Control Access to the Internet User Manual30
urn on keyword blocking all the time, independent of the Schedule screen.
urn on keyword blocking according to the Schedule screen settings.
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