NETGEAR CG3700EMR-1CMNDS User Manual Download Page 66

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Troubleshooting

F i n d i n g a n d f i x i n g c o m m o n i s s u e s

This chapter provides information about troubleshooting your gateway. This chapter contains the
following sections:

•

Troubleshoot with LEDs

•

Cannot Log In to the Gateway

•

Troubleshoot the ISP Connection

•

Troubleshoot a TCP/IP Network Using the Ping Utility

Summary of Contents for CG3700EMR-1CMNDS

Page 1: ...350 East Plumeria Drive San Jose CA 95134 USA September 2013 202 11324 01 Wireless Cable Voice Gateway CG3700EMR 1CMNDS User Manual...

Page 2: ...for technical support 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 ot...

Page 3: ...GEAR genie Basic Settings Cable Connection 16 View or Configure Your Wireless Network 16 Wireless Setup Screen Fields 18 Security Options Settings 18 Network Map 19 Voice Status 20 Chapter 3 NETGEAR g...

Page 4: ...coming Ports 53 Port Forwarding to Permit External Host Communications 55 How Port Forwarding Differs from Port Triggering 55 Set Up Port Forwarding to Local Servers 56 Add a Custom Service 57 Edit a...

Page 5: ...5 Wireless Cable Voice Gateway CG3700EMR 1CMNDS Appendix B Notification of Compliance...

Page 6: ...er describes how to configure the Internet connection of your gateway and includes these sections Gateway Front Panel Gateway Rear Panel Gateway Label Power Supply Manufacturers and Models Log In to Y...

Page 7: ...s shown in the following figure Power LED Downstream LED Upstream LED Internet LED LAN Ethernet LEDs WPS button LED Wireless button 2 4 GHz LED 5 GHz LED Phone LED Figure 1 Gateway buttons and LEDs Yo...

Page 8: ...is powered on Blinking green Data is being transmitted or received on the Ethernet port Off The gateway does not detect an Ethernet device LAN Ethernet Solid green The gateway detects an Ethernet devi...

Page 9: ...rom top to bottom Phone port Connect a telephone to this port using an analog phone line Two Gigabit Ethernet LAN ports Use these ports to connect local computers Coaxial cable connector Attach a coax...

Page 10: ...0B11200 Position Your Gateway The range of your wireless connection can vary based on the physical placement of the gateway The latency data throughput performance and notebook power consumption of wi...

Page 11: ...to the gateway use a computer that is configured for DHCP most computers are For help with configuring DHCP see the instructions that came with your computer The gateway automatically logs you out aft...

Page 12: ...n the BASIC home screen Home This dashboard screen displays when you log in to the gateway or select the Home tab Cable Connection This option displays the cable signal quality the upstream power the...

Page 13: ...BASIC tab displays that you can use to access the basic menus and screens ADVANCED Home This dashboard screen displays when you click the ADVANCED tab Setup Set up the Internet connection wireless se...

Page 14: ...ce iPhone that you want to connect to your gateway This software scans for all wireless networks in your area 2 Look for your network and select it If you did not change the name of your network durin...

Page 15: ...r Internet connection and network This chapter explains the features available from the genie BASIC Home screen This chapter contains the following sections Cable Connection View or Configure Your Wir...

Page 16: ...ess for the gateway 3 Connects to the Internet To change the starting frequency From the BASIC tab select Cable Connection The starting frequency is automatically generated Most of the time you do not...

Page 17: ...ateway To view or change basic wireless settings 1 From the BASIC tab select Wireless The screen sections settings and procedures are explained in the following sections 2 Make the appropriate changes...

Page 18: ...character maximum name in this field This field is case sensitive The default SSID is randomly generated and best practice is not to change the SSID Channel This setting is the wireless channel that...

Page 19: ...ently connected to your network here To view a map of attached devices 1 From the BASIC tab select Network Map Wired devices are connected to the gateway with Ethernet cables Wireless devices have joi...

Page 20: ...elds display MTA Provision Status The gateway status The values can be Operational No Security Association Disconnected or N A This status applies to line 1 MTA MAC Address The telephony MAC address M...

Page 21: ...n This chapter contains the following sections Internet Setup WAN Setup LAN Setup Some selections on the ADVANCED Home screen are described in separate chapters Wireless Setup See Chapter 2 Wireless S...

Page 22: ...ernet Setup screen Internet IP Address Get Dynamically from ISP If you log in to your service or your ISP did not provide you with a fixed IP address the gateway finds an IP address for you automatica...

Page 23: ...server and enable the gateway to respond to a ping on the WAN Internet port To change the WAN settings 1 Select ADVANCED Setup WAN Setup The following screen displays 2 Configure the following setting...

Page 24: ...Level Gateway ALG is disabled by default which is useful when you are running certain applications To enable SIP ALG and optimize VoIP phone calls that use the SIP clear the check box WARNING DMZ serv...

Page 25: ...different IP addressing scheme make those required changes in the LAN Setup screen Note If you change the LAN IP address of the gateway while connected through the browser you are disconnected Open a...

Page 26: ...plicate addresses on the LAN For most applications the default DHCP and TCP IP settings of the gateway are satisfactory You can specify the pool of IP addresses that can be assigned by setting the sta...

Page 27: ...addresses to computers or servers that require permanent IP settings 1 Select ADVANCED Setup LAN Setup The following screen displays 2 Click the Add button 3 In the IP Address field type the IP addre...

Page 28: ...the table The reserved address is not assigned until the next time the computer contacts the DHCP server of the gateway Reboot the computer or access its IP configuration and force a DHCP release and...

Page 29: ...is 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 Keyword Blocking...

Page 30: ...dd URL Keyword button The keyword list supports up to 32 entries Here are some sample entries Specify XXX to block http www badstuff com xxx html Specify com if you want to allow only sites with domai...

Page 31: ...rnet Engineering Task Force IETF at http www ietf org and published in RFC1700 Assigned Numbers Service numbers for other applications are typically chosen from the range 1024 65535 by the authors of...

Page 32: ...s of the service If you select a known service these fields are filled in automatically If you know that the application uses either TCP or UDP select the appropriate protocol If you are not sure sele...

Page 33: ...hedule for blocking keywords and services Days to Block Select days on which you want to apply blocking by selecting the appropriate check boxes or select Every Day to select the check boxes for all d...

Page 34: ...cribes the gateway settings for administering and maintaining your gateway and home network This chapter includes the following sections View Gateway Status Router Mode Logs Network Map Back Up Settin...

Page 35: ...ertificate The status of the cable modem certificate If Not installed displays as the status contact your Internet service provider CM MAC The MAC address of the cable modem LAN Port MAC Address The M...

Page 36: ...is illegal to use the wireless features of the gateway in some parts of the world Channel The operating channel of the wireless port being used The default channel is Auto When Auto is selected the ga...

Page 37: ...y and provides connected devices with IP addresses No The CG3700EMR device works as a bridge and devices obtain their IP addresses from the Internet service provider Logs The log is a detailed record...

Page 38: ...ted Source The IP address of the initiating device for this log entry 2 To control the information included in the log click any of the following check boxes Attempted access to allowed sites Attempte...

Page 39: ...ds display Device Name The name of the connected device IP Address The IP address of the connected device MAC Address The MAC address of the connected device Interface The way the device is connected...

Page 40: ...D Administration Backup Settings 2 To find the cfg file enter the full path to the file on your network or click the Browse button 3 Click the Restore button The gateway reboots WARNING Do not interru...

Page 41: ...for wireless access The label on your gateway shows your unique wireless network name SSID and password for wireless access see Gateway Label on page 10 To set the password for the user name admin 1...

Page 42: ...resh the log screen click the Refresh button 3 To clear the log entries click the Clear Log button Diagnostics From the Diagnostics screen you can run ping traceroute DS throughput and US throughput u...

Page 43: ...ng packet No of Pings The number of times to ping the target computer Ping Interval The time between pings 4 Click the Start Test button The ping results display To stop a ping test Click the Abort Te...

Page 44: ...ops to allow when tracing the route Data Size The size in bytes of the packet Base Port The port number to send the packet to Resolve Host Select On to resolve the host name to the IP address 4 Click...

Page 45: ...t DS throughput 3 Click the Start Test button The DS throughput results display To clear the results from the display Click the Clear Results button US Throughput Utility To display the speed test for...

Page 46: ...Test button The US throughput results display To clear the results from the display Click the Clear Results button Wireless Channel You can use the Wireless Channel screen to view wireless networks o...

Page 47: ...s Your network is shown in blue Yellow shows other networks in your area Many countries and geographic locations have laws or guidelines about which channels can be used Depending on your location som...

Page 48: ...ay CG3700EMR 1CMNDS The following screen displays 2 Select a different channel For information about other options available on this screen see View or Configure Your Wireless Network on page 16 3 Cli...

Page 49: ...epts It is for people who want to set up the gateway for unique situations such as when remote access from the Internet by IP or domain name is needed This chapter includes the following sections Adva...

Page 50: ...check box Keep Existing Wireless Settings By default the Keep Existing Wireless Settings check box is selected Best practice is to leave this check box selected If you clear this check box the next t...

Page 51: ...rs and devices to access the wireless network based on their MAC addresses To set up wireless card access 1 Select ADVANCED Advanced Setup Wireless Features 2 Click the Set Up Access List button 3 Sel...

Page 52: ...s for creating these exceptions port forwarding and port triggering The next sections provide background information to help you understand how port forwarding and port triggering work and the differe...

Page 53: ...ce port number 80 which is the standard port number for a web server process Destination address The public IP address of your gateway Destination port number 33333 5 When your gateway receives the in...

Page 54: ...ur port triggering rule and having observed the destination port number of 6667 your gateway creates an additional session entry to send any incoming port 113 traffic to your computer 5 The IRC server...

Page 55: ...wing destination information Destination address The IP address of www example com which is the address of your gateway Destination port number 80 which is the standard port number for a web server pr...

Page 56: ...orwarding feature you can allow certain types of incoming traffic to reach servers on your local network For example you want to make a local web server FTP server or game server visible and available...

Page 57: ...address of your local computer that provides this service 4 Click the Add button The service displays in the list Add a Custom Service To define a service game or application that does not display in...

Page 58: ...s enter the beginning port number of the internal LAN device If the application uses a single port enter the same port number in the Internal Ending Port field If the application uses a range of ports...

Page 59: ...f your web server at 192 168 0 33 HTTP port 80 is the standard protocol for web servers 3 Optional Register a host name with a Dynamic DNS service and configure your gateway to use the name For more i...

Page 60: ...gers the opening of the inbound ports You can usually find this information by contacting the publisher of the application or user groups or newsgroups To set up port triggering 1 Select ADVANCED Adva...

Page 61: ...e same port number in the Triggering Ending Port field If the application uses a range of ports enter the ending port number of the range in the Triggering Ending Port field 10 In the Triggering Endin...

Page 62: ...rvice provider logs in to your account and registers your new IP address If your host name is hostname for example you can reach your gateway at http hostname dyndns org To set up Dynamic DNS 1 Select...

Page 63: ...ANCED Advanced Setup Remote Management 2 Select the Turn Remote Management On check box 3 Under Allow Remote Access By specify the external IP addresses to be allowed to access the gateway s remote ma...

Page 64: ...ss into your browser s address or location field followed by a colon and the custom port number For example if your external address is 134 177 0 123 and you use port number 8080 enter http 134 177 0...

Page 65: ...pense of more network traffic Longer durations can compromise the freshness of the device status but can significantly reduce network traffic Advertisement Time to Live The time to live for the advert...

Page 66: ...es This chapter provides information about troubleshooting your gateway This chapter contains the following sections Troubleshoot with LEDs Cannot Log In to the Gateway Troubleshoot the ISP Connection...

Page 67: ...IP address of the gateway to 192 168 0 1 See Factory Default Settings on page 72 If the error persists you have a hardware problem LAN LED is off for a port with an Ethernet connection Make sure that...

Page 68: ...e that the Java applet is loaded Try quitting the browser and launching it again Make sure that you are using the correct login information The gateway user name is admin and the default password is p...

Page 69: ...working correctly you could have one of the following problems Wrong physical connections Make sure that the LAN port LED is on If the LED is off see Troubleshoot with LEDs on page 67 Check to see if...

Page 70: ...s the IP address of your gateway listed as the default gateway If the IP configuration of your computer is assigned by DHCP this information is not visible in the Network Control Panel of your compute...

Page 71: ...71 A A Supplemental Information This appendix includes the following sections Factory Default Settings Technical Specifications...

Page 72: ...password case sensitive admin password Local network LAN LAN IP 192 168 0 1 Subnet mask 255 255 255 0 DHCP server Enabled DHCP starting IP address 192 168 0 2 DHCP ending IP address 192 168 0 254 Fire...

Page 73: ...relative humidity noncondensing Electromagnetic emissions Meets requirements of FCC Part 15 Class B Interface Local 10BASE T 100 1000BASE Tx RJ 45 802 11n g b Internet DOCSIS 3 0 Downward compatible w...

Page 74: ...e used for setting up outdoor radio links in France and in some areas the RF output power may be limited to 10 mW EIRP in the frequency range of 2454 2483 5 MHz For detailed information the end user s...

Page 75: ...dance with FCC multi transmitter product procedures Cet appareil et son antenne s ne doit pas tre co localis s ou fonctionnement en association avec une autre antenne ou transmetteur For operation wit...

Page 76: ...cas d absence d informations transmettre ou une d faillance op rationnelle Notez que ce n est pas l intention d interdire la transmission des informations de contr le ou de signalisation ou l utilisat...

Page 77: ...s Baby monitor digital 40 feet 12 meters Cordless phone analog 20 feet 6 meters Cordless phone digital 30 feet 9 meters Bluetooth devices 20 feet 6 meters ZigBee 20 feet 6 meters TV Tuner on Selected...

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