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Wireless Cable Voice Gateway Model CVG834G Reference Manual

3-6

Protecting Your Network

v2.0, November 2007

From the main menu, select Services. The Services screen appears:

Selecting the check box for a service enables it. Clearing the check box disables the corresponding
service. If you make changes, then you must click

Apply

in order for the changes to take effect.

The services are described as follows:

•

Firewall Features

Enabled by default. The gateway will perform stateful packet inspection

(SPI) and protect against Denial of Service (DoS) attacks. .

•

VPN Pass-Through

. Enabled by default. IPSec and PPTP traffic will be forwarded. When it is

disabled, this traffic will be blocked.

•

Multicast.

Enabled by default. The gateway can pass multicasting streams through the

firewall.

•

Web Features

. Disabled by default. If enabled, certain Web-oriented features such as cookies,

java scripts, or pop-up windows will be blocked by the firewall. For example, if you enable

Filter Cookies

, many websites will not allow you to access their site.

Using MAC Filtering to Block Access

By default, any computer has access to the Internet through your gateway. MAC Filtering allows
you to block access to the Internet to any computer on your LAN based on the hardware MAC
address of its Ethernet or wireless adapter.

Figure 3-5

Содержание CVG834G

Страница 1: ...202 10306 02 v2 0 November 2007 NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA Wireless Cable Voice Gateway Model CVG834G Reference Manual...

Страница 2: ...and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver...

Страница 3: ...est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999 5 CE slenska Icelandic H r me l sir NETGEAR Inc yfir v a Radiolan er samr mi vi grunnkr fur og a rar...

Страница 4: ...series for compliance with the regulations Voluntary Control Council for Interference VCCI Statement This equipment is in the second category information equipment to be used in a residential area or...

Страница 5: ...VG834G Reference Manual Product and Publication Details Model Number CVG834G Publication Date November 2007 Product Family Gateway Product Name Wireless Cable Voice Gateway Home or Business Product Ho...

Страница 6: ...v2 0 November 2007 vi Wireless Cable Voice Gateway Model CVG834G Reference Manual...

Страница 7: ...USB Connection 1 5 Logging In to the Wireless Voice Gateway 1 6 Connecting to the Internet and VoIP 1 7 Chapter 2 Wireless Configuration Wireless Placement and Range Guidelines 2 2 SSID and Wireless...

Страница 8: ...iggering 3 12 Setting Up a DMZ Host 3 13 Chapter 4 Managing Your Network Gateway Status 4 1 Connection Status 4 2 Viewing and Emailing Event Logs 4 3 Restoring Factory Default Configuration Settings 4...

Страница 9: ...v2 0 November 2007 Testing the LAN Path to Your Gateway 5 4 Testing the Path from Your PC to a Remote Device 5 5 Appendix A Default Settings and Technical Specifications Factory Default Settings A 1 T...

Страница 10: ...Wireless Cable Voice Gateway Model CVG834G Reference Manual x v2 0 November 2007...

Страница 11: ...e following typographical conventions Formats This manual uses the following formats to highlight special messages Scope This manual is written for the Voice Gateway according to these specifications...

Страница 12: ...ledge base for the product model Links to PDF versions of the full manual and individual chapters How to Print this Manual To print this manual you can choose one of the following several options acco...

Страница 13: ...pens in a browser window Click the print icon in the upper left of the window Revision History Tip If your printer supports printing two pages on a single sheet of paper you can save paper and printer...

Страница 14: ...Wireless Cable Voice Gateway Model CVG834G Reference Manual xiv v2 0 November 2007...

Страница 15: ...e Voice Gateway contains status LEDs You can use the LEDs to verify connections The following table lists and describes each LED on the front panel of the Voice Gateway Figure 1 1 Table 1 1 LED Descri...

Страница 16: ...d A USB device is connected to the USB port Off No USB device is connected Voice ports 1 and 2 Green solid Registered with the Call Agent Green blink There is an active call Green slow blink Phone is...

Страница 17: ...ters Reset button Resets the gateway to its factory defaults Coaxial cable connector Attach coaxial cable to the cable service provider s connection Two Voice Phone ports With VoIP service connect one...

Страница 18: ...gs to connect the gateway to the Internet Host and Domain Names ISP Domain Name Server DNS Addresses Fixed or Static IP Address Each computer that will connect to the gateway must have either an insta...

Страница 19: ...USB Connection To connect a computer to the USB port on the gateway 1 You must install the USB driver Insert your NETGEAR CD into the CD drive of your computer a Connect the USB cable to your gateway...

Страница 20: ...ss Voice Gateway To log in to the gateway 1 Using the computer that you first used to access your cable modem Internet service connect to the gateway by typing http 192 168 0 1 in the address field of...

Страница 21: ...y is the ISP router to which your gateway will connect A DNS server is a host on the Internet that translates Internet names such as http www netgear com to numeric IP addresses Typically your ISP tra...

Страница 22: ...atic IP address for your PC select Static IP Enter the IP address that your ISP assigned Also enter the static IP mask also known as netmask Gateway IP address and Domain Name Server DNS Address 3 Cli...

Страница 23: ...Chapter 1 Installing the Gateway The wireless voice gateway should be working on your LAN before you set up the wireless features 2 Plan the location for the wireless voice gateway based on considera...

Страница 24: ...ght access even if through walls Away from sources of interference such as PCs microwave ovens and 2 4 GHz cordless phones Away from large metal surfaces Put the antenna in a vertical position to prov...

Страница 25: ...Circle one Open System or Shared Key Choose Shared Key for more security To use Shared Key all devices in the network must be set to Shared Key and have the same keys in the same positions as those i...

Страница 26: ...onnecting the Wireless Voice Gateway on page 1 4 2 Enter http 192 168 0 1 in the address field of your Internet browser 3 From the main menu select Wireless Settings The Wireless Setting screen appear...

Страница 27: ...ings Settings Description Wireless Network Name SSID The SSID is also known as the wireless network name The default SSID is Wireless Any wireless device that will connect to this wireless voice gatew...

Страница 28: ...mends that you also enable wireless security Wireless Station Access List Turn Access Control On Access control is disabled by default so that any computer configured with the correct SSID can connect...

Страница 29: ...ys enter them These values must be identical on all computers in your network There are two ways to enter the keys Passphrase Enter a word or group of printable characters in the Passphrase field and...

Страница 30: ...less adapter hardware and driver must also support WPA Consult the product document for your wireless adapter and WPA client software for instructions on configuring WPA settings To configure WPA PSK...

Страница 31: ...nd WPA client software for instructions on configuring WPA setting To configure WPA 1 On the Wireless Settings screen select Security Option WPA 2 Enter the Security Encryption WPA settings These sett...

Страница 32: ...re and driver must also support WPA2 Consult the product document for your wireless adapter and WPA client software for instructions on configuring WPA settings To configure WPA2 PSK 1 On the Wireless...

Страница 33: ...e settings are required for communication and authentication from a Radius server A secondary Radius server can be configured which is used if the primary Radius server fails Primary Radius Server IP...

Страница 34: ...ettings screen displays as shown in Figure 2 1 on page 2 4 3 Scroll down to the Wireless Card Access List and select the Turn Access Control On check box When you turn on access control the gateway on...

Страница 35: ...e Connected Wireless Devices table click the radio button of that computer to capture its MAC address Specify the MAC address of the device to be added in the Add Access Filter fields The MAC address...

Страница 36: ...Wireless Cable Voice Gateway Model CVG834G Reference Manual 2 14 Wireless Configuration v2 0 November 2007...

Страница 37: ...ange the amount of time for the administrator login timeout NETGEAR recommends that you change this password to a more secure password The ideal password should contain no dictionary words from any la...

Страница 38: ...ord of the denial of service DoS attacks directed at your network You can view the logs here or you can use e mail notification to view the logs see Viewing and Emailing Event Logs in Chapter 4 From t...

Страница 39: ...only Web sites domains that you specify as allowed You can also block access to the Internet by a specific computer based on the hardware MAC address of that computer Blocking access to the Internet...

Страница 40: ...ection 2 Add keywords by entering them into the Add Keyword List An example of some Keyword applications are If the keyword XXX is specified the URL http www badstuff com xxx html is blocked If the ke...

Страница 41: ...either the Keyword List or Domain List field 1 Select it from the list and click Remove Keyword or click Remove Domain 2 Click Apply to save your settings Blocking Access by Time of Day The default bl...

Страница 42: ...s VPN Pass Through Enabled by default IPSec and PPTP traffic will be forwarded When it is disabled this traffic will be blocked Multicast Enabled by default The gateway can pass multicasting streams t...

Страница 43: ...pears The Trusted Devices table is at the top of this screen It shows devices that are currently connected to the wireless voice gateway To add a device to the Trusted Devices table 1 Select a device...

Страница 44: ...termine what outside resources local users can have access to A firewall has two default rules one for inbound traffic and one for outbound The default rules of the gateway are Inbound Block all acces...

Страница 45: ...Enter the range of ports that you want to block and select whether the ports are TCP UDP or Both 4 Enter the Local IP Address for the computer to which this rule will apply 5 Click Add The selected s...

Страница 46: ...d by DHCP it may change when the PC is rebooted To avoid this you can assign a static IP address to your server outside the range that is assigned by DHCP but in the same subnet as the rest of your LA...

Страница 47: ...e the suggested port numbers enter a new Start Port and End Port 3 From the drop down Protocol list select the protocol TCP UDP or Both 4 Enter the IP address of the computer on your network to which...

Страница 48: ...ries to connect back on the port to do an Ident lookup Unless you have configured Port Forwarding to open that port the traffic will be blocked In this example the initial login to the server in the r...

Страница 49: ...The gateway is programmed to recognize some of these applications and to work properly with them but there are other applications that may not function well In some cases one local PC can run the appl...

Страница 50: ...e DMZ Address field enter the IP address of the computer that you want to assign as a DMZ host 3 Click Apply To disable the DMZ host enter 0 zero and then click Apply If you want the gateway to respon...

Страница 51: ...to which the gateway s cable interface is compatible Hardware Version The hardware version of the gateway Software Version The software version of the gateway Cable MAC Address The MAC address used by...

Страница 52: ...gateway goes through these steps to be provisioned 1 Acquire and lock Downstream Channel 2 Acquire upstream parameters and range 3 Lock Upstream Channel 4 Acquire IP Address through DHCP Status Syste...

Страница 53: ...Log entries are described in the following table To receive logs and alerts by e mail you must provide your e mail information in the Email section of the Event Logs screen From the main menu select E...

Страница 54: ...y Default Configuration Settings The configuration settings are stored in a configuration file in the gateway You can use Erase to restore the factory default configuration settings The default settin...

Страница 55: ...rget field enter the IP address of the PC that you want to ping 2 If you want to specify additional details you can set the Ping Size No of Pings and the Ping Interval 3 Click Start Test to begin the...

Страница 56: ...he main menu under the Setup heading select MTA Status The MTA Status screen appears Guest Network The guest network feature allows you to set up an additional wireless guest network From the main men...

Страница 57: ...a lower priority than voice and video From the main menu under the Setup heading select Wi Fi Multimedia The Wi Fi Multimedia screen appears The default setting is Auto You can change the setting to O...

Страница 58: ...gateway The MAC address of the PC IP address assigned and the expiration time of the DHCP lease are listed You can manually revoke the DHCP leases by clicking Clear DHCP Leases Using the Gateway as a...

Страница 59: ...gateway The default is 192 168 0 1 Subnet Mask The subnet mask for your network IP address The default is 255 255 255 0 Unless you are implementing subnetting use the default subnet mask DHCP Server T...

Страница 60: ...n parameters for your LAN 1 Enter the MAC address of the PC for which you want to reserve an IP Address 2 Enter a free IP Address for the PC 3 CLick Add To remove a reserved IP from the DHCP Reservati...

Страница 61: ...ed Choose a number between 1024 and 65535 but do not use the number of any common service port The default is 8080 which is a common alternate for HTTP 5 To make sure that you can use remote managemen...

Страница 62: ...d is for 30 minutes Shorter durations will ensure that control points have current device status at the expense of additional network traffic Longer durations may compromise the freshness of the devic...

Страница 63: ...P The UPnP screen displays 2 Select the Turn UPnP On check box and then click Apply To save cancel or refresh the table To save the new settings to the gateway router click Apply To disregard any unsa...

Страница 64: ...Wireless Cable Voice Gateway Model CVG834G Reference Manual 4 14 Managing Your Network v2 0 November 2007...

Страница 65: ...way but I cannot access the Internet Go to Troubleshooting the ISP Connection on page 5 3 I cannot remember the gateway s password I want to clear the configuration and start over again Go to Restorin...

Страница 66: ...LEDs are off when your gateway is turned on Make sure that the power cord is properly connected to your gateway and that the power supply adapter is properly connected to a functioning power outlet Ch...

Страница 67: ...to click Apply before moving to another menu or page or your changes are lost Click the Refresh or Reload button in the Web browser The changes may have occurred but the Web browser may be caching the...

Страница 68: ...e ping 192 168 0 1 3 Click OK You should see a message like this one Pinging IP address with 32 bytes of data If the path is working you see this message Reply from IP address bytes 32 time NN ms TTL...

Страница 69: ...igned by DHCP this information will not be visible in your PC s Network Control Panel Verify that the IP address of the gateway is listed as the default gateway as described in Preparing a Computer fo...

Страница 70: ...Wireless Cable Voice Gateway Model CVG834G Reference Manual 5 6 Troubleshooting v2 0 November 2007...

Страница 71: ...configuration settings shown in the table below Pressing the reset button for a shorter period of time will simply cause your device to reboot Feature Description Smart Wizard Enabled Gateway Login Ga...

Страница 72: ...y It is printed on the product label SSID Broadcast Enabled Turn Radio On Enabled Default Channel 6 Operating Mode 802 11g and 801 11b Country Region Default is United States in US selectable in ROW W...

Страница 73: ...IPSec PPTP Power Adapter North America input North America input 120V 60 Hz input All regions output 15 V DC 1 2A output 15W maximum Physical specifications Dimensions 6 9 by 4 5 by 1 2 in 175 by 114...

Страница 74: ...Wireless Cable Voice Gateway Model CVG834G Reference Manual A 4 Default Settings and Technical Specifications v2 0 November 2007...

Страница 75: ...and TCP IP Addressing http documentation netgear com reference enu tcpip index htm Wireless Communications http documentation netgear com reference enu wireless index htm Preparing a Computer for Net...

Страница 76: ...Wireless Cable Voice Gateway Model CVG834G Reference Manual B 2 Related Documents v2 0 November 2007...

Страница 77: ...tions leases 4 10 DHCP server 4 8 4 9 configuring reservation parameters 4 10 default use 4 8 reservation parameters 4 10 DMZ Host 3 13 DMZ Server as Host 3 13 DNS Address 1 4 DNS Relay 4 9 DNS server...

Страница 78: ...5 location of 2 13 restricting access 2 12 MAC filtering 3 6 Multicast 3 6 N Network Access about B 1 network configuration Dynamic IP Address 1 8 Static IP Address 1 8 NIC See Ethernet Network Interf...

Страница 79: ...5 3 LAN to gateway 5 4 PC to remote device 5 5 ping command 5 4 power LEDs 5 1 U Universal Plug and Play See UPnP UPnP 4 12 USB driver install 1 5 gateway connection to 1 5 host port 1 4 operating sys...

Страница 80: ...Wireless Cable Voice Gateway Model CVG834G Reference Manual Index 4 v2 0 November 2007...

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