Comcast CGA4332COM Manual Download

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Comcast Business Router v2

(CBR2)

Model- CGA4332COM

The Comcast Business Router v2 (CBR2) DOCSIS® 3.1 Cable Modem, with

built-in 802.11ax Wi-Fi Router and voice eMTA

SETUP AND USER GUIDE

CBR2 CGA4332COM

Summary of Contents for CGA4332COM

Page 1: ...Comcast Business Router v2 CBR2 Model CGA4332COM The Comcast Business Router v2 CBR2 DOCSIS 3 1 Cable Modem with built in 802 11ax Wi Fi Router and voice eMTA SETUP AND USER GUIDE CBR2 CGA4332COM ...

Page 2: ...CBR2 CGA4332COM User Guide 2 of 51 SAFETY INSTRUCTIONS AND REGULATORY NOTICES Before you start installation or use of this product carefully read these instructions ...

Page 3: ...emble this product None of its internal parts are user replaceable therefore there is no reason to access the interior Opening or removing covers may expose you to dangerous voltages Incorrect reassembly could cause electric shock if the appliance is subsequently used If service or repair work is required please contact a qualified service representative Damage requiring service Unplug this produc...

Page 4: ...s from the modem and must not lean on the modem in case it is wall mounted With a separation distance of 20 cm 8 inches or more the M aximum P ermissible E xposure limits are well above the potential this module is capable to produce For operation within 5 15 5 25GHz frequency range it is restricted to indoor environment This device meets all the other requirements specified in Part 15E Section 15...

Page 5: ...d trademark DLNA disc logo is a service mark and DLNA Certified is a trademark of the Digital Living Network Alliance Digital Living Network Alliance is a service mark of the Digital Living Network Alliance Ethernet is a trademark of the Xerox Corporation EuroDOCSIS EuroPacketCable and PacketCable are trademarks of CableLabs Inc Linux is a trademark of Linus Torvalds Microsoft MS DOS Windows Windo...

Page 6: ...ll the Battery 19 4 Admin Tool 20 4 1 Components 22 4 2 How to Change the Default Admin Tool Password 23 4 3 How to Back Up or Restore a Configuration 24 4 4 Battery Status 25 5 The Gateway Wireless Access Point 26 5 1 Connect your wireless devices 26 5 2 How to Configure the Wireless Settings 30 5 3 Prevent Devices from Accessing Your Wireless Network 32 6 Internet Security 33 6 1 Content Filteri...

Page 7: ... 7 1 4 Port Management 43 7 1 5 Remote Management 45 7 1 6 Configure a DMZ Host 46 7 1 7 NAT 46 7 1 8 Static Routing 47 7 2 Assigning a Reserved IP Address to a Device 47 8 Support 49 8 1 Wireless Connection Troubleshooting 49 8 2 Network diagnostic tools 50 8 3 Gateway reset and restore options 50 ...

Page 8: ...cates that there may be a possibility of serviceinterruption The note symbol indicates that the text provides additional information about a topic Terminology Generally the CBR2 CGA4332COM will be referred to as the Gateway in this Setup and User Guide Typographical conventions The following typographical conventions are used throughout this manual This sample text indicates a hyperlink to a websi...

Page 9: ...nstream channels 2 DOCSIS 3 1 OFDM upstream channels DOCSIS 3 0 Certified 32 x 8 bonded channels in DOCSIS 3 0 mode Switchable diplexer for upstream and downstream One IEEE 802 3 10 100 1000 2500 Base T 2 5 Gigabit Ethernet WAN LAN port with MacSEC One IEEE 802 3 10 100 1000 2500 Base T 2 5 Gigabit Ethernet LAN port Four IEEE 802 3 10 100 1000 Base T Gigabit Ethernet LAN ports Wireless networking ...

Page 10: ...Panel 11 1 2 3 Back Panel 13 1 2 4 Bottom Panel 15 1 2 1 Front panel Introduction On the front panel of your Gateway is a series of LEDs that allow you to check the state of the services offered by the Gateway A A Reset button The Reset button allows you to Restart the Gateway Restore the factory defaults of the Gateway For more information see 8 3 Gateway_reset_and_restore_options ...

Page 11: ...51 1 2 2 Top Panel LED Legend State Description Solid on Signifies steady state or no action required Blink 1X second Signifies activity in progress or action required Fast Blink 5X second Fatal error unrecoverable Off No activity off ...

Page 12: ...olid on Active 1Gbps Ethernet link Blink 1X second Active Traffic Fast Blink 5X second Port Error physical connection error preventing traffic activity Off No active Ethernet link C 2 5 Gbps Ethernet 5 and Ethernet 6 LEDs Blue or White State Description Solid on Blue Active 2 5Gbps Ethernet link White Active 1Gbps Ethernet link Blink 1X second Blue 2 5 Gbps Active Traffic White 1 Gbps Active Traff...

Page 13: ...e detected provisioning or registration error Off Port Not provisioned Not enabled Note The CBR2 supports a total of 8 lines the state is reflective of the number of lines in use 1 2 2 Back panel A Telephone ports The Tel RJ 11 ports support up to eight traditional phones or DECT base station to connect to the Gateway Single line customers can use the Tel 2 Alarm port to connect an auto dial alarm...

Page 14: ...Mbps Link Blinking 1X second 1000Mbps Link Activity in progress Off No Link Right LED Amber Solid on 10 100Mbps Link Blinking 1X second 10 100Mbps Link Activity in progress Off No Link Ethernet ports 5 and 6 LED LED Status Description Left LED Green Solid on 2 5 Gbps Link Blinking 1X second 2 5 Gbps Link Activity in progress Off No Link Right LED Amber Solid on 10 100 1000 Mbps Link Blinking 1X se...

Page 15: ...owing capabilities are supported during a loss of power The connected phones support dial tones for a connected alarm system Basic voice functions for 2 lines for a maximum of 8 hours Do not remove the battery unless instructed by your service provider B Product label The label on the bottom of the Gateway contains key manufacturing information such as the part number serial number CM MAC address ...

Page 16: ... provider s network 2 Power on the Gateway For more information see 3 2 Power on the Gateway 3 Connect your wired devices to the Gateway For more information see 3 3 Connect your wireddevices 4 Connect your wireless devices to the Gateway For more information see 5 1 Connect your wireless devices 5 Connect your phones For more information see 3 4 How to connect your phone Optional configuration Af...

Page 17: ... of the Ethernet cable to Port 6 of the Gateway 3 2 Power on the Gateway To turn on the Gateway power 1 Use the power cord that is included with your Gateway 2 Connect the small end of the power cord to the Power port on the back of the Gateway 3 Plug the other end of the power cord into an electrical outlet 4 Wait at least two minutes to allow the Gateway to complete its startup phase ...

Page 18: ...etwork device 3 Your network device is now connected to your network Use the same procedure to connect other Ethernet devices computers network printers and so on 3 4 How to connect your phone Note If you have a two line setup or a setup involving an alarm please contact your service provider Such a setup must be done by qualified technicians Alarm systems must be connected to either port 1 or 2 Y...

Page 19: ...tery follow the below procedure Improperly inserting the battery may damage the battery connector in the Gateway Carefully follow the below instructions 1 Unplug the power cord from the device 2 The battery is attached to the compartment door To open the battery compartment remove the two screws on the battery compartment door located on the bottom panel of the gateway tilt the battery compartment...

Page 20: ... or wirelessly Note The admin tool is only available when the device is connected to AC power Accessing the Admin Tool 1 Open your web browser and go to http 10 1 10 1 using a computer or other device that is currently connected to your Gateway either wired or wirelessly On Windows it is also possible to access the Admin Tool using UPnP For more information see 7 1 1 UPnP 10 1 10 1 is the default ...

Page 21: ...2 CGA4332COM User Guide 21 of 51 Note It is recommended that you change the default password The admin tool will automatically require changing the default password after 10 logins 3 The Admin Tool appears ...

Page 22: ...rights for Internet access Advanced Allows you to configure more advanced Internet services Troubleshooting Allows you to perform some basic troubleshooting on the Gateway and network connections Each of these items contain several sub menu items More detailed information about the menu pages can be found in the tips section of each page For more information see Tips section item D B Login section...

Page 23: ...nt panel The content panel displays the Gateway configuration page 4 2 How to Change the Default Admin Tool Password We recommend changing the default password of the Gateway The default username is cusadmin and the default password is highspeed Procedure 1 Go to the Admin Tool http 10 1 10 1 using a computer or other device that is currently connected to your Gateway either wired or wirelessly Fo...

Page 24: ...re information see Accessing the AdminTool 2 The At a Glance page appears Click SAVE CURRENT CONFIGURATION 3 Follow the instructions enter a file name and transfer the password the browser prompts you to save or open the backup file the file format is CF2 Save the CF2 file to a location of yourchoice Do not edit the backup file this may corrupt the file making it unusable as a backup Restoring a p...

Page 25: ...AC When running on AC power with battery installed AC When running on AC power with no battery installed Battery Installed Yes or No Battery Condition Good Awaiting Comcast Product Team s Reply Low Awaiting Comcast Product Team s Reply Battery Status Charging When Device is on AC power and battery charge is 100 Discharging When Device is on Battery power Idle When Battery is neither Charging nor D...

Page 26: ...smart TVs and smartphones usually have a built in wireless client Check the documentation of your device for more information Check the documentation of your device if you are not sure if your device is equipped with a wireless client Configuring your wireless clients For more information on how to establish a wireless connection to the Gateway see the section that follows 5 1 Connect your wireles...

Page 27: ... access points and is in the following format CBCI XXXX where X is last 4 octets of CM MAC Password Key is the default password used for both the 2 4 GHz and 5 GHz access points To configure these settings on Windows 10 proceed with How to connect your computer on Windows 10 Windows 8 proceed with How to connect your computer on Windows8 Mac OS X proceed with How to connect your computer on Mac OS...

Page 28: ...u to enter the security key 5 Type the Password Key from the Gateway s bottom panel label in the Enter the network securitykey box and click Next 6 A Windows prompt asks you if it should turn on sharing Click Yes How to connect your computer on Windows 8 1 Click the wireless network icon in the notification area 2 A list of available wireless networks appears 3 Double click the Gateway s Network N...

Page 29: ...ick the Wi Fi icon on the menu bar 2 A list of available wireless networks appears 3 Double click the Gateway s Network Name SSID The Gateway s Network Name SSID is printed on the Gateway s side or back panel label For more information see Product label item B 4 The Wi Fi window prompts you to enter your WPA password 5 In the Password box type the Password Key which is printed on the Gateway s bot...

Page 30: ...nnected to your Gateway either wired or wirelessly For more information see Accessing the AdminTool 2 On the Gateway menu click Connection and then click Wi Fi 3 The Wi Fi page appears In the Private Wi Fi Network table click the EDIT button next to the access point that you want to modify 2 4G Hz or 5 GHz 4 The Edit page appears examples of both 2 4 GHz and 5 GHz below ...

Page 31: ...o the Gateway Security Mode The encryption type used to secure your wireless communication We recommend using the default encryption WPAWPA2 PSK TKIP AES as it is compatible with most of the Wi Fi devices and offers an excellent level of security Note Open and WEP are to be avoided because they have security flaws and should not be used in normal conditions Channel Selection The default setting is...

Page 32: ...ering 1 Go to the Admin Tool http 10 1 10 1 using a computer or other device that is currently connected to your Gateway either wired or wirelessly For more information see Accessing the AdminTool 2 On the Gateway menu click Connection and then click WiFi 3 The WiFi page appears In the SSID list under MAC Filter Setting select the access point for which you want to set up the MAC filter 4 In the M...

Page 33: ...to specific website based on the URL or keywords For more information see 6 1 1 Managed sites Prevents access to specific application or services for example FTP For more information see 6 1 2 Managed services Prevents devices from accessing your network For more information see 6 1 3 Managed devices 6 1 1 Managed sites The Managed Sites page allows you to Block specific websites permanently or fo...

Page 34: ...site for example facebook com 4 If you want this rule to be applied only at specific times click No in the Always Block list and define when to apply the rule a Under Set Block Time enter a start time and end time b Under Set Block Days select the days for which the selected block time should be applied If you want to have different time schedules depending on the day you will have to group these ...

Page 35: ...st group them in separate rules for example One rule for weekdays for example rule active from 8 00 PM until 10 00 PM One rule for the weekend for example rule active from 4 00 PM until 10 00 PM 4 Click SAVE Mark computers as trusted for all websites When a device is marked as trusted all Managed Sites rules will be ignored To mark a computer as trusted 1 Under Trusted Computers look for your devi...

Page 36: ... enter a start time and end time Under Set Block Days select the days for which the selected block time should be applied If you want to have different time schedules depending on the day you must create separate rules One rule for weekdays for example block the service from 10 00 PM until 8 00 PM One rule for the weekend for example block the service from 10 00 PM until 8 00AM 9 Click SAVE Mark c...

Page 37: ... for example allow the device from 10 00 PM until 8 00AM 5 Click SAVE Adding blocked devices If you selected Allow All in the Access Type list proceed as follows 1 In the Blocked Devices table click ADD BLOCKED DEVICE 2 The Add Device to be Blocked page appears 3 Under Set Blocked Device select your device from the Learned Device s list If your device is not listed enter the computer name and MAC ...

Page 38: ...uding IP driven voice applications such as Gtalk Skype and P2P applications Allows Internet browsing email VPN DNS and iTunes services Although BlockAll blocks all connections some mandatory types of traffic such as DNS are still relayed between LAN and WAN by the Gateway Typical Security Medium Blocks P2P applications and ping to the Gateway allows all other traffic Minimum Security Low Allows al...

Page 39: ... Gateway allows you to use one Internet connection for multiple computers This means that all your computers share one public IP address as if only one computer were connected to the outside world However when the Gateway receives an incoming message it must decide to which computer it should send this message If the incoming message is a response to an outgoing message originating from one of you...

Page 40: ... as possible This means that UPnP capable devices can join and leave a network without any effort from a network administrator Supported operating systems Windows 10 Windows 8 UPnP and the Gateway UPnP offers you the following functions You do not have to manually create port mappings to run services on a computer The automatic port configuration mechanism for UPnP enabled applications will do thi...

Page 41: ...ess and the port forwarding rule will no longer be applied to the device For more information see 7 2 Assigning a reserved IP to a device Procedure 1 Go to the Admin Tool http 10 1 10 1 using a computer or other device that is currently connected to your Gateway either wired or wirelessly For more information see Accessing the AdminTool 2 On the left menu click Advanced 3 The Port Forwarding page ...

Page 42: ...ed device The Gateway also automatically configures its firewall to allow this service 7 1 3 Port Triggering Port triggering allows you to define a set of dynamic port forwarding rules that will be activated as soon as a device sends traffic to the Internet over a specific port s the trigger port s The difference from the port forwarding function described in 7 1 2 Port forwarding is Port triggeri...

Page 43: ...rget Port To box type the end port number of the target port range If you only want to specify one port use the same number as in the Target Port From box 6 Click SAVE 7 Your service is now listed in the Port Triggering table All incoming requests for the selected service will be directed to the selected device The Gateway also automatically configures its firewall to allow this service 7 1 4 Port...

Page 44: ...tion Name box type a name for the rule for example FTP In the Protocol list click on the protocol that is used for example TCP In the Start True Static IP box type the start IP address of the IP range In the End True Static IP box type the end IP address of the IP range In the Start Port box type the start port number of the port range If you only want to specify one port use the same number as in...

Page 45: ...ill be used to access the device remotely 5 Select the Remote management Access from the list The Remote Access Allowed From page appears 6 Select and complete one of the options on the page Single Computer In the Server IPv4 Address box type the IP address of the computer from which you want to access the gateway In the Server IPv6 Address box type the IP address of the computer from which you wa...

Page 46: ...nformation see 7 2 Assigning a reserved IP to a device How to configure a device as DMZ host 1 Go to the Admin Tool http 10 1 10 1 using a computer or other device that is currently connected to your Gateway either wired or wirelessly For more information see Accessing the AdminTool 2 On the Advanced menu select DMZ 3 The DMZ page appears 4 Complete the following fields In the Enable DMZ list clic...

Page 47: ...t Static Routing 3 The Static Routing page appears 4 Complete the following fields In the Name box type a name In the Destination Subnet box type destination subnet example 192 168 4 20 In the Subnet Mask box type the subnet mask example 255 255 255 0 In the Gateway IP box type the IP address of the gateway 5 Click ADD Your service is now listed in the Static Routing table 7 2 Assigning a Reserved...

Page 48: ... the left menu select Connected Devices 3 The Devices page appears If your device is already listed in one of the tables proceed as follows o Click Edit o The Edit Device page appears o In the Configuration list click Reserved IP o If needed change the value in the Reserved IP Address box 3 If your device is not listed proceed as follows o On the Device click ADD DEVICE WITH RESERVED IP o The Add ...

Page 49: ...eless band protocol and the selected wireless security that are currently used by the access point Change the wireless channel Make sure that the access point is enabled For more information see Make sure that the wireless access point is enabled Poor wireless connectivity or range Try the following Check the signal strength indicated by the wireless client manager If the signal is low try to repo...

Page 50: ...r more information see Accessing the Admin Tool 2 On the Troubleshooting menu click Diagnostic Tools 3 The Network Diagnostic Tools page appears The following tools are available Test Connectivity Results Check for IPv4 Address Results Check for IPv6 Address Results Initiate traceroute for IPv4 Address Initiate traceroute for IPv6 Address 8 3 Gateway reset and restore options Reset By performing a...

Page 51: ...eboot Gateway 3 The Reset Reboot Gateway page appears Click RESET to restart the Gateway RESET WIFI MODULE to restart just the wireless module only RESET WIFI ROUTER to restart the wireless and router modules RESTORE WIFI SETTINGS to activate the Gateway default settings for wireless only All changes to the default wireless settings will be undone RESTORE FACTORY SETTINGS to activate all Gateway d...

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