NETGEAR CG3100Dv3 User Manual Download Page 8

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Connecting to the Internet

NETGEAR Wireless Cable Gateway CG3100Dv3

Gateway Rear Panel

Power

Ethernet LAN ports

Coaxial

adapter

input

cable

connector

Power On/Off
button

Restore Factory

Settings

button

Figure 2. Gateway rear panel

The rear panel includes the following connections, viewed from left to right:

•

Four Gigabit-Ethernet LAN ports

: Use these ports to connect local computers.

•

Coaxial cable connector

: Attach coaxial cable to the cable service provider’s connection.

•

Power

: Power adapter input.

Summary of Contents for CG3100Dv3

Page 1: ...350 East Plumeria Drive San Jose CA 95134 USA October 2011 202 10942 01 v1 0 Wireless Cable Gateway CG3100Dv3 User Manual...

Page 2: ...answers detail a_id 984 Trademarks NETGEAR the NETGEAR logo and Connect with Innovation are trademarks and or registered trademarks of NETGEAR Inc and or its subsidiaries in the United States and or...

Page 3: ...tton 16 Using a PIN 17 Wi Fi Multimedia 18 Advanced Wireless Settings 19 Start Configure Button 20 Access Control by MAC Address 20 Chapter 3 Content Filtering Viewing or Emailing Logs 22 Blocking Key...

Page 4: ...tions 43 Using LEDs to Troubleshoot 44 Connecting to the Gateway s Main Menu 44 Troubleshooting the ISP Connection 45 Troubleshooting a TCP IP Network Using a Ping Utility 45 Testing the LAN Path to Y...

Page 5: ...describes how to configure your gateway s Internet connection and includes these sections Gateway Front Panel on page 6 Gateway Rear Panel on page 8 Logging Into Your Gateway on page 9 Viewing the Bas...

Page 6: ...100Dv3 Gateway Front Panel Power Downstream Upstream Internet LAN Ethernet WPS Wireless On Off Figure 1 Gateway front view Note For optimal performance place the gateway vertically in the stand Do not...

Page 7: ...t Solid green The cable modem is online Blinking The cable modem is synchronizing with the cable provider s CMTS Off The cable modem is offline LAN Ethernet Green indicates 1 000 Mbps Amber indicates...

Page 8: ...tor Power On Off button Restore Factory Settings button Figure 2 Gateway rear panel The rear panel includes the following connections viewed from left to right Four Gigabit Ethernet LAN ports Use thes...

Page 9: ...also available on the gateway main menu Note To connect to the gateway you must use a computer configured for DHCP most computers are For help with configuring DHCP see the instructions that came wit...

Page 10: ...tings on page 10 Viewing the Basic Settings The Basic Settings screen shows the Internet settings for the gateway To view or configure the basic settings 1 Select Basic Settings from the main menu 2 Y...

Page 11: ...re implementing subnetting use 255 255 255 0 as the subnet mask Primary DNS A DNS server is a host on the Internet that translates Internet names such as www netgear com to numeric IP addresses Typica...

Page 12: ...Settings on page 13 or you can use Wi Fi Protected Setup WPS described in Using Push N Connect WPS Wireless Setup on page 15 To wirelessly connect to the gateway a computer or wireless device must be...

Page 13: ...y on page 9 3 In the main menu under Setup select Wireless Settings to display this screen 4 Specify the Wireless Network settings Name SSID The name of the wireless network Region The location where...

Page 14: ...en 8 and 63 characters The default WPA passphrase is the 13 character serial number of your gateway 3 Click Apply to save your settings Note If you plan to use WPS and you want to keep your wireless s...

Page 15: ...other keys can only be used to decrypt received data 5 Click Apply to save your settings 6 Configure your wireless computers with the same WEP settings as your gateway so that you will be able to con...

Page 16: ...etwork name SSID and a random passphrase to your wireless network If you want to keep the network name and passphrase you specified in the Wireless Settings screen you must select the Keep Wireless Se...

Page 17: ...computer 6 On the computer that just joined the wireless network make sure you can connect to the Internet You should see the gateway s Internet LED blink showing that its Internet connection is in us...

Page 18: ...imedia You can use the Multimedia page to set up wireless multimedia Quality of Service QoS To set up Wi Fi Multimedia 1 Log in to the gateway as described in Logging Into Your Gateway on page 9 2 In...

Page 19: ...d Configuration Fragmentation Threshold CTS RTS Threshold Preamble Mode The default settings for these fields usually work fine Change them only if you have a specific reason for doing so WPS Settings...

Page 20: ...ireless security password 2 Go to the wireless computer and run its WPS configuration utility Follow the utility s instructions to click a WPS button When the computer connects to the wireless network...

Page 21: ...t to make any further changes 4 In the Network Profiles section select the radio button for a wireless network 5 By default the Allow Any radio button is selected You can either allow computers to con...

Page 22: ...ed to access a blocked site You can specify which events are logged and you can send the logs to a Syslog server To view or email logs 1 In the main menu under Content Filtering select Logs 2 To use e...

Page 23: ...d in Logging Into Your Gateway on page 9 2 In the main menu under Content Filtering select Block Sites 3 To block keywords select the Keyword Blocking Enable checkbox Type the keyword and then click A...

Page 24: ...otect against Denial of Service DoS attacks IPSec Pass Through IPSec traffic is forwarded If you clear this check box then this traffic will be blocked PPTP Pass Through PPTP traffic is forwarded If y...

Page 25: ...r includes Viewing the Gateway Status Viewing the Connection Status on page 27 Changing Passwords on page 27 Backing Up and Restoring Your Settings on page 28 Viewing the Event Log on page 29 Running...

Page 26: ...cable modem port of the gateway This MAC address may need to be registered with your cable service provider Cable Modem Serial number The serial number of the gateway hardware CM Certificate If the ca...

Page 27: ...zed The gateway automatically goes through the following steps in the provisioning process Scan and lock the downstream frequency and then link back in upstream direction Obtain an IP address for the...

Page 28: ...u will be required to log in again to continue the configuration If you have backed up the gateway settings previously you should do a new backup so that the saved settings file includes the new passw...

Page 29: ...which takes about one minute Note When restoring configuration settings do not interrupt the process by going online turning off the gateway or shutting down the computer Viewing the Event Log The gat...

Page 30: ...bed in Logging Into Your Gateway on page 9 2 In the main menu under Maintenance select Diagnostics 3 To start a ping test enter the IP address in the Diagnostics screen and click the Ping button The P...

Page 31: ...ort Forwarding on page 33 Port Triggering on page 35 DMZ Host on page 36 LAN IP Setup on page 37 Remote Management on page 39 Configuring Universal Plug and Play UPnP on page 41 Note For information a...

Page 32: ...he MAC Filter List The default is Everyday Time of Day to Block You can specify the time of day to block the computer The default is All Day Be sure that you clear the All Day checkbox if you want to...

Page 33: ...rvice 4 Perform one of the following actions Click Add to save your settings The Active Filters table now displays the list of ports that are currently forwarded To delete a service select the radio b...

Page 34: ...gs in the Add Custom Rules table Name Enter a name for the service Start Port Enter the start port for the service End Port Enter the end port for the service Protocol Select the protocol for the port...

Page 35: ...makes an outgoing connection using a port number defined in the Port Triggering table 2 The gateway records this connection opens the incoming port or ports associated with this entry in the Port Tri...

Page 36: ...rotocol for the ports 3 Select the Enable checkbox for the port trigger 4 Perform one of the following actions Click Apply to save your settings and activate the port triggers To remove a port trigger...

Page 37: ...e last digit s of the IP address in the DMZ Address field 4 Click Apply LAN IP Setup The LAN IP screen allows you to configure LAN services such as the IP address of the gateway and DHCP The TCP IP an...

Page 38: ...elect the No radio button Starting IP Address and Ending IP Address These fields specify the range in the IP address pool Max Users The maximum number of users on the network DHCP Lease See the follow...

Page 39: ...Use very secure passwords if you enable remote management Passwords should contain no dictionary words from any language and should be a mixture of letters both upper and lower case numbers and symbol...

Page 40: ...heckbox 6 Click Apply to save your changes Remote Management Settings Description Allow Remote Management HTTP HTTPS CM interface If selected remote management is enabled and connection from the Inter...

Page 41: ...packet that is sent A hop is the number of steps that are allowed to propagate for each UPnP advertisement before it disappears The number of hops can range from 1 to 255 The default value for the adv...

Page 42: ...which internal and external ports of the gateway were opened by that device The UPnP Portmap Table also displays the protocol for the port that was opened and if that port is still active for each IP...

Page 43: ...on on page 45 I cannot remember the gateway s configuration password or I want to clear the configuration and start over again Go to Factory Default Settings in Appendix A Tip NETGEAR provides helpful...

Page 44: ...roduct If the error persists you have a hardware problem and should contact technical support All LEDs Stay On Clear the gateway s configuration to factory defaults This will set the gateway s IP addr...

Page 45: ...s lower case Caps Lock should be off The default password of password If the gateway does not save changes you have made check the following When entering configuration settings be sure to click the A...

Page 46: ...s to Troubleshoot on page 44 Check that the corresponding Link LEDs are on for your network interface card and for the hub ports if any that are connected to your workstation and gateway Wrong network...

Page 47: ...t results place your gateway according to the following guidelines Near the center of the area in which your computers will operate In an elevated location such as a high shelf where the wirelessly co...

Page 48: ...actory configuration settings shown in the following table Factory Default Settings Gateway Login User login URL http 192 168 1 1 User name and password case sensitive admin password Local Network LAN...

Page 49: ...1 specifications Actual throughput will vary Network conditions and environmental factors including volume of network traffic building materials and construction and network overhead may lower actual...

Page 50: ...ical Specifications 50 NETGEAR Wireless Cable Gateway CG3100Dv3 Interface Local 10BASE T 100 1000BASE Tx RJ 45 802 11n g b Internet DOCSIS 3 0 Downward compatible with DOCSIS 2 0 1 1 and 1 0 Technical...

Page 51: ...ce standards EN300 328 2 4Ghz EN301 489 17 EN60950 1 For complete DoC visit the NETGEAR EU Declarations of Conformity website at http support netgear com app answers detail a_id 11621 EDOC in Language...

Page 52: ...lingen van richtlijn 1999 5 EG Malti Maltese Hawnhekk NETGEAR Inc jiddikjara li dan Radiolan jikkonforma mal htigijiet essenzjali u ma provvedimenti ohrajn relevanti li hemm fid Dirrettiva 1999 5 EC M...

Page 53: ...erference and This device must accept any interference received including interference that may cause undesired operation FCC Radio Frequency Interference Warnings Instructions This equipment has been...

Page 54: ...hat may cause undesired operation IMPORTANT NOTE Radiation Exposure Statement This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment This equipment should...

Page 55: ...and household appliances to reduce interference in feet and meters Household Appliance Recommended Minimum Distance in feet and meters Microwave ovens 30 feet 9 meters Baby Monitor Analog 20 feet 6 me...

Page 56: ...condary server 11 E Erase configuration 28 Event log 29 F firewall rules inbound 33 port forwarding 33 front panel 6 G gateway backup 28 main menu 44 placement and range guidelines 12 remote managemen...

Page 57: ...ng 43 ISP connection 45 LEDs 44 ping utility 45 TCP IP network 45 U Universal Plug and Play UPnP 41 URL 23 W WEP 15 keys 15 passphrase 15 Wi Fi Protected Setup WPS Push N Connect 19 wireless access po...

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