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4

4.

Manage Your Network

This chapter describes how to perform network management tasks with your gateway. When
you log in to the gateway (see

Log In to Your Gateway

on page

9), these tasks are grouped

under Maintenance.

This chapter includes:

• Gateway Status

• Connection Status

• Change Passwords

• Back Up and Restore Your Settings

• Event Log

• Diagnostic Ping Utility

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Summary of Contents for CG3100

Page 1: ...350 East Plumeria Drive San Jose CA 95134 USA April 2011 202 10840 01 v1 0 Wireless Cable Gateway CG3100 User Manual...

Page 2: ...tries Check the list of phone numbers at http support netgear com app answers detail a_id 984 Trademarks NETGEAR the NETGEAR logo and Connect with Innovation are trademarks and or registered trademark...

Page 3: ...Devices 12 Push N Connect WPS Wireless Setup 12 WPS Button 12 PIN Connection 13 Basic Configuration 14 MTA Configuration 16 Wireless Configuration 17 WPA or WPA2 Wireless Security 17 WEP Security 18...

Page 4: ...e Management 40 Universal Plug and Play UPnP 42 Chapter 6 Troubleshooting Basic Functions 44 Using LEDs to Troubleshoot 44 Connect to the Main Menu 45 Troubleshoot the ISP Connection 46 Troubleshoot a...

Page 5: ...t product features and compatible NETGEAR products see the NETGEAR website at http www netgear com For information about the topics covered in this manual visit the Support website at http support net...

Page 6: ...e 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 100 10 Mbps Solid An E...

Page 7: ...ity is only available with future firmware upgrades Power Power adapter input Power On Off button Note You can return the gateway to its factory settings On the bottom of the gateway press and hold th...

Page 8: ...ernet Host and Domain Names ISP Domain Name Server DNS Addresses Fixed or Static IP Address Computers on the Network Each computer that will connect to the gateway must have either an installed Ethern...

Page 9: ...cumentation is also available in the gateway main menu Note To connect to the gateway you must use a computer configured for DHCP most computers are When you have logged in if you do not click Logout...

Page 10: ...Connect to the Internet and VoIP If you have VoIP service connect the phone to Voice Port 1 If your service includes a second line you can connect that phone to Voice Port 2 View the Gateway Status T...

Page 11: ...how to use the Wireless Settings screens to add devices and to view and change if needed your wireless network settings This chapter includes Push N Connect WPS Wireless Setup Basic Configuration MTA...

Page 12: ...omputers and devices support WPS Look for the symbol on all the computers that will connect wirelessly to the gateway If you do not see the symbol on all the computers that will connect to the wireles...

Page 13: ...as set to Disabled it is automatically changed to WPA PSK TKIP WPA2 PSK AES including a random wireless security password 4 Go to the wireless computer and run its WPS configuration utility Follow the...

Page 14: ...4 minutes If the Security Option in the Wireless Settings screen was set to Disabled it is automatically changed to WPA PSK including a PSK security password When the computer connects to the wireles...

Page 15: ...ure the network If you select Static IP you have to set the following values Static IP Address Enter the WAN IP address of your gateway Subnet Mask Enter subbred mask the IP WAN Default Gateway Type t...

Page 16: ...ervice provider MTA MAC Address The MAC address of the MTA interface MTA IP Address The IP MTA address MTA FQDN The fully qualified domain name of the MTA only in the domain name MTA Telephony Signali...

Page 17: ...Setup Wireless Settings to display this screen 3 Specify the Wireless Network settings Name SSID The name of the wireless network Region The location where the gateway will operate Channel The availa...

Page 18: ...the required information For WPA PSK or WPA2 PSK enter the pre shared key which is a passphrase between 8 and 63 characters This product comes with a preconfigured WPA passphrase 3 Click Apply to sav...

Page 19: ...a passphrase and click Generate To enter the keys fill in the Key 1 through Key 4 fields Write down the keys and keep them in a secure location For 64 bit WEP enter 10 hexadecimal digits any combinati...

Page 20: ...M 4 In the No Acknowledgement field select Off or On to specify whether acknowledgement ACK messages are used Usually this field is set to Off This might improve the efficiency of packet transmission...

Page 21: ...21 3 3 Content Filtering This chapter describes how to use content filtering s for the gateway This chapter includes View or Email Logs Block Keywords Sites and Services Services...

Page 22: ...To see the most recent entries click Refresh Block Keywords Sites and Services With its content filtering feature the gateway prevents objectionable content from reaching your computers The gateway a...

Page 23: ...g or gov can be viewed Enter the keyword to block all Internet browsing access To remove a keyword from the Keyword List select it and click Remove Keyword 3 To block domains select the Domain Blockin...

Page 24: ...oS 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 you clear this check box then this...

Page 25: ...ment tasks with your gateway When you log in to the gateway see Log In to Your Gateway on page 9 these tasks are grouped under Maintenance This chapter includes Gateway Status Connection Status Change...

Page 26: ...MAC address used by the cable modem port of the gateway This MAC address may need to be registered with your cable service provider Device MAC address The MAC address used by the cable modem Cable Mod...

Page 27: ...e and to get details about the downstream and upstream cable channel The time is displayed after the gateway is initialized The gateway automatically goes through the following steps in the provisioni...

Page 28: ...e Set Password 2 To change the password enter the new password twice 3 Click Apply to save your changes Note After changing the password you will be required to log in again to continue the configurat...

Page 29: ...s been restored to previous settings Then the gateway restarts which takes about one minute Note When restoring configuration settings do not interrupt the process by going online turning off the gate...

Page 30: ...Ping Utility 1 Select Maintenance Diagnostics 2 To start a ping test enter the IP address in the Diagnostics screen and click the Ping button The Ping Results are displayed 3 To return to the Diagnost...

Page 31: ...ettings on your gateway When you log in to the gateway see Log In to Your Gateway on page 9 these tasks are grouped under Advanced This chapter includes Wireless Settings MAC Filtering Port Blocking P...

Page 32: ...ng or troubleshooting activities Enable SSID Broadcast By default this checkbox is selected so that the gateway broadcasts it s Wi Fi network name SSID so devices can find it Deselect this checkbox if...

Page 33: ...e Device Name and MAC address fields 3 Click Add The MAC Filter List Enable checkbox is automatically selected for that computer 4 Select the days and times to block the computer Day s to Block Select...

Page 34: ...d a custom rule that is not in the list of services specify these settings in the Add Custom Rules table Name Enter a name for the service Start Port Enter the start port for the service End Port Ente...

Page 35: ...ot allow you to run server processes such as a Web or FTP server from your location Your ISP might check for servers and suspend your account if it finds active services at your location See your ISP...

Page 36: ...nternet applications that would otherwise be blocked by the firewall You must know the port numbers that are used by the application Port triggering operates as follows 1 A computer makes an outgoing...

Page 37: ...ter the Start Port and End Port Target Range To specify the range of incoming ports that will be opened when triggered enter the Start Port and End Port Protocol Select the protocol for the ports 3 Se...

Page 38: ...you do not define a DMZ host the gateway discards any undefined service requests 1 Select Advanced DMZ Host 2 If desired select the Respond to Ping on WAN Port checkbox 3 Type the last digit s of the...

Page 39: ...g section Reserving an IP Address for DHCP Use 3 Click Apply to save your LAN settings Reserving an IP Address for DHCP Use To reserve an IP address for DHCP use enter the DHCP server reservation sett...

Page 40: ...address can change each time you connect to your ISP There are two solutions to this problem Have your ISP allocate you a fixed IP address Use the DDNS Dynamic DNS feature so you can connect using a d...

Page 41: ...Name and Password that will be used from the remote PC to manage the gateway Use a very secure password Port Number fields Web browser access normally uses the standard HTTP service port 80 NETGEAR re...

Page 42: ...ears The number of hops can range from 1 to 255 The default value for the advertisement time to live is 4 hops which should be fine for most home networks If you notice that some devices are not being...

Page 43: ...ateway configuration with my browser Go to Connect to the Main Menu on page 45 I have configured the gateway but I cannot access the Internet Go to Troubleshoot the ISP Connection on page 46 I cannot...

Page 44: ...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 address to 192 168 1 1 See Factory Default S...

Page 45: ...the gateway and reboot your PC If your gateway s IP address has been changed and you don t know the current IP address clear the gateway s configuration to factory defaults This will set the gateway s...

Page 46: ...station Test the LAN Path to Your Gateway You can use ping to verify that the LAN path to your gateway is set up correctly To ping the gateway from a PC running Windows 95 or later 1 From the Windows...

Page 47: ...d as the default gateway Check to see that the network address of your PC the portion of the IP address specified by the netmask is different from the network address of the remote device Check that y...

Page 48: ...el spacing between adjacent access points for example use Channels 1 and 6 or 6 and 11 The time it takes to establish a wireless connection can vary depending on both your security settings and the ga...

Page 49: ...49 A A Technical Specifications This chapter includes Factory Default Settings Technical Specifications...

Page 50: ...he 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 LAN IP 192 168 1 1 Subnet mask 255 255...

Page 51: ...ions Actual throughput will vary Network conditions and environmental factors including volume of network traffic building materials and construction and network overhead may lower actual data through...

Page 52: ...ons 52 NETGEAR Wireless Cable Gateway Interface Local 10BASE T 100 1000BASE Tx RJ 45 USB 2 0 1 1 function 802 11n g b Internet DOCSIS 3 0 Downward compatible with DOCSIS 2 0 1 1 and 1 0 Technical Spec...

Page 53: ...spectrum authority in France For complete DoC visit the NETGEAR EU Declarations of Conformity website at http kb netgear com app answers detail a_id 11621 Table 2 Cesky Czech NETGEAR Inc t mto prohla...

Page 54: ...ogy a Radiolan megfelel a vonatkoz alapvet k vetelm nyeknek s az 1999 5 EC ir nyelv egy b el r sainak Polski Polish Niniejszym NETGEAR Inc o wiadcza e Radiolan jest zgodny z zasadniczymi wymogami oraz...

Page 55: ...29 F firewall rules inbound 35 port forwarding 35 front panel 6 G gateway backup 28 main menu 45 placement and range guidelines 20 remote management 40 gateway front panel 6 gateway rear panel 7 I IP...

Page 56: ...ity 46 TCP IP network 46 U Universal Plug and Play UPnP 42 URL 23 W WEP 19 keys 19 passphrase 19 Wi Fi Protected Setup WPS Push N Connect 32 wireless access point 32 card access list 32 wireless netwo...

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