NETGEAR CG814WG V3 manual

202-10297-01 June 2007 NETGEAR , Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Wireless Cable Modem Gateway CG814WG v3 Reference Manual[...]

ii v1.0, June 2007 © 2007 by NETGEAR, Inc. All rights reserved. T rademarks NETGEAR is a trademark of NETGEAR, Inc. Microsoft, W i ndows, and W indows NT are registered trademarks of Microsoft Corporation. Other brand and product names are register ed trad emarks or trade marks of their respective holders. St atement of Conditions In the interest [...]

v1.0, June 2007 iii requirements for electroma gnetic compatib il ity – Article 3.1b. T est ing for electromagnetic compatibility ac co rding to EN 301 489-1 and EN 301 489-17 has been conducted. These are c onsidered relevant and suf fic ient. Effectiv e use of the radio spectrum – Arti cle 3.2. T esting for radi o test suites according to EN [...]

v1.0, June 2007 iv[...]

i v1.0, June 2007 Content s About This Manual Conventions, Formats and Scope ......... ................ ................ ................. ................... ........ 1 How to Use This Manual ................. ................ ................ ................ ................ ................ .. 2 How to Print this Manual . ................. ....[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual ii Contents v1.0, June 2007 Services ............. ................ ............. ................ ................ ................. ................ ........ 3-4 Firewall Rules ........... ................ ................ ................ ................. ................ ...............[...]

iii v1.0, June 2007 About This Manual The NETGEAR ® CG814WG v3 W ir eless Cable Modem Gateway Refer ence Manual describes how to install, configure and troubleshoot th e CG814WG v3 W ireless Cable Modem Gateway. The information in this manual is intended for readers with intermediate computer and Internet skills. Conventions, Format s and Scope Th[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual iv About This Manual v1.0, June 2007 • Scope. This manual is written for the CG81 4WG v3 Gateway according to these specifications: For more information about networ k, Internet, firewall, and VPN technologies, see the links to the NETGEAR website in Appendix B, “Related Documents” . H[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al About This Manual v v1.0, June 2007 – Click the PDF of This Chapter link at the top left of any pa ge in the chapter you want to print. The PDF version of the chap ter you were viewing open s in a browser window . – Y our computer must have the free Adobe Acro bat reader installed in or[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual vi About This Manual v1.0, June 2007[...]

1-1 v1.0, June 2007 Chapter 1 Connecting the Gateway to the Internet This chapter describes how to set up the CG81 4WG v3 Gateway on your L ocal Area Network (LAN), connect to the Internet, and perform basi c configuration. Package Content s The product package should contain the following it ems: • CG814WG v3 W ireless Cable Modem Gateway •A C[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 1-2 Connecting the Gateway to the Internet v1.0, June 2007 Y ou can use the LEDs to verify connections. Ta b l e 1 - 1 lists a nd describes each LED on the front panel of the CG814WG v3 Gateway. T able 1-1. LED Descriptions LED Description Power • On: Power is su pplied to the gateway . ?[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Connecting the Gateway to t he Internet 1-3 v1.0, June 2007 Rear Panel The rear panel of the CG81 4WG v3 cont ains th e connectio ns identified below: What Y ou Need Before Y ou Begin Y ou need these three things before you ca n connect your gateway to the Internet: • A computer properly [...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 1-4 Connecting the Gateway to the Internet v1.0, June 2007 LAN Configuration Requirement s For the initial connection to the In ternet and configuration of your gateway, connect a computer to the gateway which is set to au tomatically get its TCP/IP conf iguration from the gateway via DHCP .[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Connecting the Gateway to t he Internet 1-5 v1.0, June 2007 b. Using the coaxial cable provided by your cab le company , connect the CG814WG v3 cable port (A ) to your cable line splitter or outlet. c. Connect the gateway to your co mputer with either an Ethernet or USB cable. For an Ethern[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 1-6 Connecting the Gateway to the Internet v1.0, June 2007 For a USB connection, connect the USB cable to the USB port on your modem and to a USB port on your computer . d. Connect the power adapter to the CG 814WG v3, and plug it into an outlet. e. T urn on your computer . If software usual[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Connecting the Gateway to t he Internet 1-7 v1.0, June 2007 b. Browse to the Resour ce CD and install the USB driver by clicking through the W indows wizard prompts. 3. Log in to the Gateway a. Using the computer that you first used to access your cable modem Internet service, connect to th[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 1-8 Connecting the Gateway to the Internet v1.0, June 2007 When you conn ect to the gateway the Gateway status screen opens. 4. Enter your Network Configurati on. • W AN IP Address: The IP Address that you would for your gateway in dotted decima l notation. • W AN Subnet Mask: The networ[...]

2-1 v1.0, June 2007 Chapter 2 Wireless Configuration This chapter describes how to configure the wirel ess features of your CG814WG v3 Gateway. In planning your wireless n etwork, you should con sider the level of security requir ed. Y ou sh ould also select the physical placem ent of your firewall in order to maximize the network speed. Set up wir[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 2-2 Wireless Configuration v1.0, June 2007 Wireless Placement and Range Guidelines The range of your wireless connection can vary si gnificantly based on the physical placement of the gateway. The l atency , data throughput pe rformance, and notebook power co nsumption of wireless adapters a[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Wireless Configuration 2-3 v1.0, June 2007 SSID and Wireless Security Settings Form For a new wireless network, print or copy this form and fill in the settings. For an existing wireless network, the person who set up or is responsible fo r the network can get the se ttings. Be sure to set [...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 2-4 Wireless Configuration v1.0, June 2007 V iewing or Changing Wireless Settings Y ou can view or change the wireless settings for the gateway. If you want to make changes, make sure to note the current settings first. See the “SSID and W ireless Security Settings Form” on page 2-3 . 1.[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Wireless Configuration 2-5 v1.0, June 2007 The settings in the W i reless Settings screen are explained in the following tabl e. T able 2-1. Wir eless Settings Settings Description Wireless Network Name (SSID) The SSID is also known as the wireless network name. Enter a 32-cha racter (maxim[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 2-6 Wireless Configuration v1.0, June 2007 T urning on Access Control to Restrict Access by MAC Address By default, any wireless PC that is configur ed with the correct SSID and WEP/WP A settings will be allowed access to your wireless ne twork. For increased security , you can restrict acce[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Wireless Configuration 2-7 v1.0, June 2007 T o restric t access based on MAC addresses: 1. Connect to the gateway an d log in as described in “V iewing or Changing W ireless Settings” on page 2-4 . 2. Click W ireless Settings, and then select the T urn Access Contr ol On check box. When[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 2-8 Wireless Configuration v1.0, June 2007 4. Adjust the list as needed for your network. Y ou can add a devices to the Access List using either of the following methods: a. If the computer is in the Connected W ire less Devices table, click the radio button of that computer to capture its M[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Wireless Configuration 2-9 v1.0, June 2007 Settings for WEP encryption are shown on the screen: 4. Select the Authentication. Choose Open System , Shar ed Key , or Open System or Shared Key . The defa ult is Open Sy stem. 5. Enter the encryption settings: • WEP PassPhrase: T o use a passp[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 2-10 Wireless Configur ation v1.0, June 2007 How to Configure WP A T o configure WP A in the gateway : 1. Log in to the gateway at the default LAN address of http://192.168.0.1 with the default user name of admin and default password of password , or using whatever LAN address and password y[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Wireless Configuration 2 -11 v1.0, June 2007 • Radius Port : Port number of the Radius Server . The default is 1812. • Shar ed Key : This is shared between the W ireless Acce ss Point and the Radius Server while authenticatin g the supplicant. 6. Click Apply to save your settings.[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 2-12 Wireless Configur ation v1.0, June 2007[...]

3-1 v1.0, June 2007 Chapter 3 Content Filtering and Firewall Rules This chapter describes how to use Content Filterin g and Fire wall Rules for th e CG814WG v3 Gateway to protect your network . Content Filtering Content Filtering features include Logs, Block Sites, and Services. Fi rewall rules can also be used for content filtering. Note: Y ou mus[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 3-2 Content Filtering and Fire wall Rules v1.0, June 2007 Logs A log is a detailed record of the Denial of Servi ce (DoS) attacks directed at your network. Y ou can use e-mail notification to receive these logs in an e-mail message. If you do not have e-mail notification set up you can conne[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Content Filtering an d Firewall Rules 3-3 v1.0, June 2007 Blocking Keywords and Domains The CG814WG v3 Gateway allows you to res trict access to Internet content based on functions such as W eb address keywo rds and W eb domains. A domain name is the name of a particular website. For exampl[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 3-4 Content Filtering and Fire wall Rules v1.0, June 2007 • Enter the keyword “.” to block all Internet browsing access. 4. Y ou can use the Domain List to create a list of allowed domains, or to create a list of denied domains. Select the Domain Blocking Enab le check box. Then you ca[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Content Filtering an d Firewall Rules 3-5 v1.0, June 2007 T o enable a service, select its check box. T o di sable a service, clear its check box. The following table describes the service s. Firewall Rules A firewall has two default rules, one for inbound traf fic (W AN to LAN) and one for[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 3-6 Content Filtering and Fire wall Rules v1.0, June 2007 The Firewall Rules scr een is shown below: Port Forwarding W ith port forwarding, you can ma ke local computers or servers available to the Internet for different services. For example, FTP uses TCP ports 20 and 21. The selections on [...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Content Filtering an d Firewall Rules 3-7 v1.0, June 2007 game server) vis ible and av ailable to the Internet . The rule tel ls the gate way to direct inboun d traffic for a particular service to one local server ba sed on the destination port number . This is also known as Po rt Forwardin[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 3-8 Content Filtering and Fire wall Rules v1.0, June 2007[...]

4-1 v1.0, June 2007 Chapter 4 Managing Y our Network This chapter describes how to perform networ k management tasks with your CG814WG v3 Gateway. When you log in to the gateway you will see these task s grouped under the Maintenance heading and Advanced he ad ing . Log in to the gateway at its default L AN address of http://192.168.0.1 with its de[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 4-2 Managing Yo ur Network v1.0, June 2007 Gateway S t atus Select Gateway Status to go to this screen: The Gateway Status screen fields ar e explained in the following table. Figure 4-2 T able 4-1. Gateway S t atus Fields Field Description Information S tandard S pecification Compliant The [...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Managing Your Network 4-3 v1.0, June 2007 Signal St atus Y ou can use the Signal S tatus page to track you r gateway’ s initialization procedure, and to get details on the Downstream and Up stream cable channel. After the cable modem is i nitialized you can see the current time. The gatew[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 4-4 Managing Yo ur Network v1.0, June 2007 Set Password For security reasons, the gateway has its own user name and password. Also, after a pe riod of inactivity for a set length of tim e, the administrator login will automatically disconnect. When prompted, enter ad min for the gateway use [...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Managing Your Network 4-5 v1.0, June 2007 Backup Settings The configuration settings of the gateway are stored in a configuration file in the gateway. Y ou can use the Backup Settings screen to wo rk with the configuration file. Click Backup to go to the Backup Settings screen: Y ou can sav[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 4-6 Managing Yo ur Network v1.0, June 2007 Resetting to Factory Default Settings Y ou can erase the gateway config uration and reset it to the fact ory def ault settings. The factory default settings are shown in See “Factory Default Settings” in Appendix A . On the Backup Settings scree[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Managing Your Network 4-7 v1.0, June 2007 Advanced Settings These features are for advanced users. For Firewall Rules, see Chapter 3, “Content Filtering and Firewall Rules” . W AN Setup Y ou can use this screen to set the gateway to r espond to a Ping, specify a DMZ Address, and view or[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 4-8 Managing Yo ur Network v1.0, June 2007 • MTU Size : The normal MTU (Maximum T ransmit Unit) value for most Ethernet networks is 1500 Bytes. For some ISPs you ma y n eed to redu ce the MTU. But this is rarely required, and should not be done unless yo u are sure it is necessary for your[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Managing Your Network 4-9 v1.0, June 2007 LAN IP Settings The LAN IP Setup screen allows configuration of LAN IP services such as the IP address of the gateway and DHCP . Y ou can use the LAN IP screen to configure yo ur local area network. The DHCP and TCP/IP default values work in most ca[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 4-10 Managing Your Networ k v1.0, June 2007 Diagnostics Y ou can use Diagnostics to test connectivity to PC using the Ping command , perform a DNS lookup, disp lay the Routi ng T able and reboot the ro uter . Click Diagnostics to go to this screen: Ping T est T o perform a ping test: 1. For [...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Managing Your Network 4-11 v1.0, June 2007 Display the Routing T able This operation will disp lay the internal routing table. This information is used by T echnical Support and other staf f who understand Routing T ables. Reboot the Router Use this button to perform a remote reboot (restar[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 4-12 Managing Your Networ k v1.0, June 2007 W eb browser access normally uses the standard HTTP service port 80. For greater se curity , you can change the remote manageme nt W eb in terface to a custom port by entering that number in the box provided . Choose a number between 1024 and 65535[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Managing Your Network 4-13 v1.0, June 2007 • T urn UPnP On: The default setting is disabled. W ith this setting the router will not allow any device to automatically control the resource s, su ch as port forwarding, of the router . • Advertisement Period: How often the gateway advertise[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 4-14 Managing Your Networ k v1.0, June 2007[...]

5-1 v1.0, June 2007 Chapter 5 T roubleshooting This chapter gives informatio n about troubleshooting you r CG8 14W G v3 W ireless Cable Modem Gateway. For the common problems listed, go to the section indicated. • Have I connected the gateway correctly? Go to “Basic Func tions” on page 5-1 . • I cannot access the gateway conf iguration with[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 5-2 Troubleshooting v1.0, June 2007 Using LEDs to T roubleshoot The following table pr ovides help wh en using the LEDs for trou bleshooting. Connecting to the Gateway’ s Main Menu If you are unable to access the gateway’ s main menu from a computer on your local network, check the follo[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Troubleshooting 5-3 v1.0, June 2007 • Make sure that your PC’ s IP address is on the same subnet as the gateway. If you are using the recommended addressing scheme, your PC’ s address should be in the range of 192.168.0.10 to 192.168.0.254. Refer to the link to the online document “[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 5-4 Troubleshooting v1.0, June 2007 T roubleshooting a TCP/IP Ne twork Using a Ping Utility Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet to the designated device. The device then respond s with an echo reply . T roubleshooting a TCP/IP net[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Troubleshooting 5-5 v1.0, June 2007 T esting the Path from Y our PC to a Remote Device After verifying that the LAN path works correctly , test the path from your PC to a remote device. From the W indows run menu, type: PING -n 10 <IP address> where < IP addr ess > is the IP add[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual 5-6 Troubleshooting v1.0, June 2007[...]

Technical Specifications and Factory Default Set tings A-1 v1.0, June 2007 Appendix A T echnical Sp ecifications and Factory Default Settings This appendix provides technica l specifications and default fact ory settings for the CG814WG v3 Gateway. T echnical S pecifications Specification Description Network Protocol and Standards Compatibility Dat[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual A-2 Technical Specifications and Factory Default Settings v1.0, June 2007 Factory Default Settings Y ou can use the reset button located on the rear pane l of your gateway to r eset all settings to their factory defaults. This is called a hard reset. T o perform a hard reset, push and hold t[...]

Wireless Cable Modem Gate way CG814WG v3 Reference Manu al Technical Specifications and Factory Default Settings A-3 v1.0, June 2007 T ime Zone Adjusted for Daylight Saving Ti m e Disabled SNMP Disabled T able A-1. Default Configuration Settings Feature Default Behavior[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual A-4 Technical Specifications and Factory Default Settings v1.0, June 2007 Firewall Inbound (communications coming in from the Internet) Disabled (except traffic on port 80, the http port) Outbound (communications going out to the Internet) Enabled (all) Source MAC filtering Disabled Internet[...]

B-1 v1.0, June 2007 Appendix B Related Document s This appendix provides links to reference documents you c an use to gain a more comple te understanding of the technolog ies used in your NET GEAR product. Document Link Windows XP and Vista Wireless Configuration Utilities http://documentation.netgear .com/refer ence/enu/winzer ocfg/index.htm Inter[...]

Wireless Cable Modem Gateway CG814WG v3 Refe rence Manual B-2 Related Documents v1.0, June 2007[...]