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NETGEAR DG834GUv5 Reference Manual

NETGEAR DG834GUv5 Reference Manual

54 mbps wireless adsl modem router
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DG834G Reference
Manual
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
202-10006-06
September 2005

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  • Page 1 DG834G Reference Manual NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA 202-10006-06 September 2005...
  • Page 2 In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes to the products described in this document without notice. NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit layout(s) described herein.
  • Page 3 Refer to the Support Information Card that shipped with your 54 Mbps Wireless ADSL Modem Router Model DG834G. World Wide Web NETGEAR maintains a World Wide Web home page that you can access at the universal resource locator (URL) http://www.netgear.com .
  • Page 4 v3.0, September 2005...

  • Page 5: Table Of Contents

    Contents DG834G Reference Manual Chapter 1 About This Manual Audience, Scope, Conventions, and Formats ..............1-1 How to Use This Manual ....................1-2 How to Print this Manual ....................1-2 Chapter 2 Introduction About the ADSL Modem Router ..................2-1 Key Features ........................2-2 A Powerful, True Firewall ..................2-2 802.11 Standards-based Wireless Networking ............2-3 Easy Installation and Management ................2-3 Protocol Support ......................2-4...
  • Page 6 Understanding ADSL Microfilters ................3-3 Computers Set to DHCP ..................3-4 Manually Setting Up Your ADSL Modem Router ............3-4 Auto-Detecting Your Internet Connection Type ............3-10 Wizard-Detected PPPoE Login Account Setup ............3-10 Wizard-Detected PPPoA Login Account Setup ............3-10 Wizard-Detected Dynamic IP Account Setup ............3-11 Wizard-Detected IP Over ATM Account Setup ............
  • Page 7 Outbound Rules (Service Blocking) ...............5-10 Order of Precedence for Rules ................5-12 Services ........................5-12 How to Define Services ..................5-13 Setting Times and Scheduling Firewall Services ............5-14 How to Set Your Time Zone ...................5-14 How to Schedule Firewall Services ................5-15 Trend Micro Home Network Security ................5-15 Security Service Settings ..................5-16 Parental Controls Settings ..................5-18 Chapter 6...
  • Page 8 How to Set Up a Client-to-Gateway VPN Configuration ..........8-6 Step 1: Configuring the Client-to-Gateway VPN Tunnel on the DG834G ....8-7 Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC ..8-12 How to Set Up a Gateway-to-Gateway VPN Configuration ..........8-20 VPN Tunnel Control ......................8-27...
  • Page 9 Step 1: Configuring the Client-to-Gateway VPN Tunnel on the VPN Router at the Employer’s Main Office ..................B-16 Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC at the Telecommuter’s Home Office ................B-18 Monitoring the VPN Tunnel (Telecommuter Example) ..........B-26 Viewing the PC Client’s Connection Monitor and Log Viewer .......
  • Page 10 v3.0, September 2005...

  • Page 11: About This Manual

    However, basic computer network, Internet, firewall, and VPN technologies tutorial information is provided in the Appendices and on the Netgear website. Note: Product updates are available on the NETGEAR, Inc. Web site at http://kbserver.netgear.com/products/DG834G.asp. This guide uses the following typographical conventions: Table 1-1.

  • Page 12: How To Print This Manual

    DG834G Reference Manual Warning: Ignoring this type of note may result in a malfunction or damage to the equipment. Danger: This is a safety warning. Failure to take heed of this notice may result in personal injury or death. This manual is written for the Wireless ADSL Modem Router according to these specifications: Table 1-2.
  • Page 13 DG834G Reference Manual • Printing the Full Manual. Use the Complete PDF Manual link at the top left of any page. — Click the Complete PDF Manual link at the top left of any page in the manual. The PDF version of the complete manual opens in a browser window.
  • Page 14 DG834G Reference Manual About This Manual v3.0, September 2005...

  • Page 15: Introduction

    Chapter 2 Introduction This chapter describes the features of the NETGEAR 54 Mbps Wireless ADSL Modem Router Model DG834G. The Wireless ADSL Modem Router is a combination of a built-in ADSL modem, ADSL modem router, 4-port switch, and firewall which enables your entire network to safely share an Internet connection that otherwise is used by a single computer.

  • Page 16: Key Features

    DG834G Reference Manual Key Features The Wireless ADSL Modem Router provides the following features: • A built-in ADSL modem • A powerful, true firewall • 802.11g standards-based wireless networking • Easy, Web-based setup for installation and management • Extensive Internet protocol support •...

  • Page 17: 802.11 Standards-Based Wireless Networking

    DG834G Reference Manual 802.11 Standards-based Wireless Networking The Wireless ADSL Modem Router includes an 802.11g-compliant wireless access point, providing continuous, high-speed 10/100 Mbps access between your wireless and Ethernet devices. The access point provides: • 802.11g Standards-based wireless networking at up to 54 Mbps •...

  • Page 18: Protocol Support

    DG834G Reference Manual • Visual monitoring The ADSL modem router’s front panel LEDs provide an easy way to monitor its status and activity. • Flash erasable programmable read-only memory (EPROM) for firmware upgrades. Protocol Support The DG834G supports Transmission Control Protocol/Internet Protocol (TCP/IP) and Routing Information Protocol (RIP).

  • Page 19: Virtual Private Networking (Vpn)

    DG834G Reference Manual • PPP over ATM (PPPoA) PPP over ATM is a protocol for connecting remote hosts to the Internet over an ADSL connection by simulating an ATM connection. • Dynamic DNS Dynamic DNS services allow remote users to find your network using a domain name when your IP address is not permanently assigned.

  • Page 20: Content Filtering

    DG834G Reference Manual Content Filtering With its content filtering feature, the DG834G prevents objectionable content from reaching your PCs. The ADSL modem router allows you to control access to Internet content by screening for keywords within Web addresses. You can configure the ADSL modem router to log and report attempts to access objectionable Internet sites.

  • Page 21: What's In The Box

    — This manual • Warranty and Support Information cards If any of the parts are incorrect, missing, or damaged, contact your NETGEAR dealer. Keep the carton, including the original packing materials, in case you need to return the product for repair. Introduction...

  • Page 22: The Router's Front Panel

    DG834G Reference Manual The Router’s Front Panel The front panel shown below contains status LEDs. Figure 2-1 You can use the LEDs to verify various conditions. Table 2-1 describes each LED. Table 2-1. LED Descriptions Label Activity Description Power is supplied to the router. 1.

  • Page 23: The Router's Rear Panel

    DG834G Reference Manual The Router’s Rear Panel The rear panel of the 54 Mbps Wireless ADSL Modem Router Model DG834G (Figure 2-2) contains port connections. Figure 2-2 Viewed from left to right, the rear panel contains the following elements: 1. AC power adapter outlet 2.
  • Page 24 DG834G Reference Manual 2-10 Introduction v3.0, September 2005...

  • Page 25: Connecting The Router To The Internet

    Chapter 3 Connecting the Router to the Internet This chapter describes how to set up the firewall on your Local Area Network (LAN) and connect to the Internet. It describes how to configure your 54 Mbps Wireless ADSL Modem Router Model DG834G for Internet access using the Setup Wizard, or how to manually configure your Internet connection.

  • Page 26: Two Setup Methods: 1) Smart Wizard Setup 2) Manual Setup

    The Smart Wizard setup process should take about 20 minutes to complete. 1. Locate the ADSL settings information your Internet service provider gave you. 2. Insert the NETGEAR CD into a Windows PC. The CD will automatically start and detect the language you are using on your PC.

  • Page 27: Manual Setup

    DG834G Reference Manual Manual Setup Use the topics and procedures below to manually set up your ADSL modem router. Understanding ADSL Microfilters ADSL technology uses the same wires as your telephone service. However, ADSL adds signals to the telephone lines which create noise in the telephone service. You must use ADSL microfilters to filter out these signals before they reach your telephone.

  • Page 28: Computers Set To Dhcp

    For the initial connection to your firewall, your computer has to be set to automatically get its TCP/IP configuration from the firewall via DHCP. This is usually the case. The NETGEAR Smart Wizard CD automatically takes care of this requirement. For manual setup, refer to the documentation that came with your computer.
  • Page 29 DG834G Reference Manual a. You need to install an ADSL filter for every telephone that uses the same phone line as your ADSL modem router. Select the filter that came with your ADSL modem router. 1. One-Line Filter: Use with a phone or fax machine. ADSL modem 2.
  • Page 30 DG834G Reference Manual 2. Connect the ADSL modem router to the ADSL filter. a. Using the included phone cable with RJ-11 jacks, connect the ADSL port (B) of the ADSL modem router to the ADSL port (C) of the two-line filter. Line Figure 3-5 Warning: Improperly connecting a filter to your ADSL modem router will...
  • Page 31 DG834G Reference Manual b. Connect the Ethernet cable (D) from a ADSL modem router LAN port to the Ethernet adapter in your computer. Line Figure 3-6 c. Connect the power adapter to the firewall and plug it in to a power outlet. Verify the following: The power light is lit after turning on the firewall.
  • Page 32 DG834G Reference Manual 3. Log in to the ADSL modem router. Note: Your computer needs to be configured for DHCP. For instructions on configuring for DHCP, please see the documentation that came with your computer or “Preparing a Computer for Network Access”.
  • Page 33 In either case, use to the configuration parameters your ISP provided to assure that the configuration settings for your Internet connection are correct. 5. Test your Internet connection. From the bottom of the Setup menu, click Test. If the NETGEAR Web site does not appear within one minute, refer to Chapter 2, “Troubleshooting”.

  • Page 34: Auto-Detecting Your Internet Connection Type

    DG834G Reference Manual Auto-Detecting Your Internet Connection Type The Web Configuration Manager built in to the ADSL modem router contains a Setup Wizard that can automatically determine your network connection type. The procedures for filling in the configuration page for each type of connection follow below. Wizard-Detected PPPoE Login Account Setup If the Setup Wizard determines that your Internet service account uses a login protocol such as PPP over Ethernet (PPPoE), you will be directed to the PPPoE page shown:...

  • Page 35: Wizard-Detected Dynamic Ip Account Setup

    DG834G Reference Manual Enter your login user name and password. These fields are case sensitive. Wizard-Detected Dynamic IP Account Setup If the Setup Wizard determines that your Internet service account uses Dynamic IP assignment, you will be directed to the page shown: Figure 3-12 Click Apply to set Dynamic IP as the connection method.

  • Page 36: Wizard-Detected Fixed Ip (Static) Account Setup

    DNS server addresses from your ISP and enter them manually here. 3. Click Apply to save the settings. 4. Click the Test button to test your Internet connection. If the NETGEAR Web site does not appear within one minute, refer to Chapter 9, “Troubleshooting”.
  • Page 37 DG834G Reference Manual Your ADSL modem router is now configured to provide Internet access for your network. Your ADSL modem router automatically connects to the Internet when one of your computers requires access. It is not necessary to run a dialer or login application such as Dial-Up Networking or Enternet to connect, log in, or disconnect.

  • Page 38: Manually Configuring Your Internet Connection

    DG834G Reference Manual Manually Configuring Your Internet Connection You can manually configure your ADSL modem router using the menu below, or you can allow the Setup Wizard to determine your configuration as described in the previous section. ISP Does Require Login ISP Does Not Require Login Figure 3-14 How to Perform Manual Configuration...
  • Page 39 DG834G Reference Manual 5. Follow the instructions below according to the encapsulation method and whether your Internet connection requires a login. The following methods are available: • Internet Connection Requires Login and Uses PPPoE • Internet Connection Requires Login and Uses PPPoA •...
  • Page 40 DG834G Reference Manual 7. You should only disable NAT if you are sure you do not require it. NAT automatically assigns private IP addresses (192.168.0.x) to LAN connected devices. When NAT is disabled, only standard routing is performed by this router. Classical routing lets you directly manage the IP addresses the DG834G uses.
  • Page 41 A DNS server is a host on the Internet that translates Internet names (such as www.netgear.com) to numeric IP addresses. Typically your ISP transfers the IP address of one or two DNS servers to your ADSL modem router during login. If the ISP does not transfer an address, you must obtain it from the ISP and enter it manually here.

  • Page 42: Adsl Settings

    MAC address” and enter it. 7. Click Apply to save your settings. 8. Click the Test button to test your Internet connection. If the NETGEAR Web site does not appear within one minute, refer to Chapter 9, “Troubleshooting”. ADSL Settings The default settings of your 54 Mbps Wireless ADSL Modem Router Model DG834G will work fine for most ISPs.

  • Page 43: Wireless Configuration

    Chapter 4 Wireless Configuration This chapter describes how to configure the wireless features of your 54 Mbps Wireless ADSL Modem Router Model DG834G. Considerations for a Wireless Network In planning your wireless network, you should consider the level of security required. You should also select the physical placement of your ADSL modem router in order to maximize the network speed.

  • Page 44: Implement Appropriate Wireless Security

    DG834G Reference Manual The time it takes to establish a wireless connection can vary depending on both your security settings and placement. WEP connections can take slightly longer to establish. Also, WEP encryption can consume more battery power on a notebook computer. Implement Appropriate Wireless Security Note: Indoors, computers can connect over 802.11g wireless networks at a maximum range of up to 300 feet.
  • Page 45 DG834G Reference Manual • Turn Off the Broadcast of the Wireless Network Name SSID. If you disable broadcast of the SSID, only devices that have the correct SSID can connect. This nullifies wireless network ‘discovery’ feature of some products, such as Windows XP, but the data is still exposed. •...

  • Page 46: Understanding Wireless Settings

    DG834G Reference Manual Understanding Wireless Settings To configure the Wireless interface of your ADSL modem router, click the Wireless link in the main menu of the browser interface. The Wireless Settings menu will appear, as shown below: Figure 4-2 The following parameters are in the Wireless Settings menu: Wireless Configuration v3.0, September 2005...
  • Page 47 32 alphanumeric characters. The same Name (SSID) must be assigned to all wireless devices in your network. The default SSID is NETGEAR, but NETGEAR strongly recommends that you change your network Name to a different value.
  • Page 48 DG834G Reference Manual • Security Options Table 4-1. Wireless Security Options Field Description Disable Wireless security is not used. WEP (Wired You can select the following WEP options: Equivalent Privacy) Authentication Type • Open: the DG834G does not perform any authentication. •...

  • Page 49: How To Set Up And Test Basic Wireless Connectivity

    DG834G Reference Manual Table 4-1. Wireless Security Options Field Description WPA-802.1x User authentication is implemented using 802.1x and RADIUS servers. For a full explanation of WPA, see “Wireless Communications:” on page A-1. Fill in the following: • Radius Server Name/IP Address This field is required.

  • Page 50: How To Restricting Wireless Access To Your Network

    DG834G Reference Manual 6. For initial configuration and test, leave the Wireless Card Access List set to allow everyone access by making sure that “Turn Access Control On” is not selected in the Wireless Station Access List. In addition, leave the Encryption Strength set to “Disabled.” 7.
  • Page 51 DG834G Reference Manual Restricting Access to Your Network by Turning Off Wireless Connectivity You can completely turn off the wireless portion of the DG834G. For example, if your notebook computer is used to wirelessly connect to your router and you take a business trip, you can turn off the wireless portion of the router while you are traveling.
  • Page 52 DG834G Reference Manual 2. From the Wireless Settings menu, Wireless Station Access List section, click the Setup Access List button to display the list, shown below: Figure 4-4 3. Select the Turn Access Control On check box to enable restricting wireless computers by their MAC addresses.

  • Page 53: Choosing Wep Authentication And Security Encryption Methods

    DG834G Reference Manual You can copy and paste the MAC addresses from the ADSL modem router’s Attached Devices menu into the MAC Address box of this menu. To do this, configure each wireless computer to obtain a wireless link to the ADSL modem router. The computer should then appear in the Attached Devices menu.
  • Page 54 DG834G Reference Manual Restricting wireless access prevents intruders from connecting to your network. However, the wireless data transmissions are still vulnerable to snooping. Using the WEP data encryption settings described below will prevent a determined intruder from eavesdropping on your wireless data communications.

  • Page 55: How To Configure Wep

    DG834G Reference Manual If WEP is enabled, you can manually or automatically program the four data encryption keys. These values must be identical on all computers and access points in your network. There are two methods for creating WEP encryption keys: •...

  • Page 56: How To Configure Wpa-Psk

    DG834G Reference Manual 6. Enter the encryption keys. You can manually or automatically program the four data encryption keys. These values must be identical on all computers and Access Points in your network. • Automatic — enter a word or group of printable characters in the Passphrase box and click the Generate button.

  • Page 57: How To Configure Wpa-802.1X

    DG834G Reference Manual How to Configure WPA-802.1x Note: Not all wireless adapters support WPA. Consult the product document for your wireless adapter for instructions on configuring WPA settings. To configure WPA-802.1x, follow these steps: 1. Log in 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 you have set up.
  • Page 58 DG834G Reference Manual 4-16 Wireless Configuration v3.0, September 2005...

  • Page 59: Protecting Your Network

    Note: The user name and password are not the same as any user name or password your may use to log in to your Internet connection. NETGEAR recommends that you change this password to a more secure password. The ideal password should contain no dictionary words from any language, and should be a mixture of both upper and lower case letters, numbers, and symbols.

  • Page 60: Changing The Administrator Login Timeout

    DG834G Reference Manual 2. From the Main Menu of the browser interface, under the Maintenance heading, select Set Password to bring up the menu shown. Figure 5-2 3. To change the password, first enter the old password, and then enter the new password twice. 4.

  • Page 61: Blocking Keywords, Sites, And Services

    DG834G Reference Manual Blocking Keywords, Sites, and Services The ADSL modem router provides a variety of options for blocking Internet based content and communications services. With its content filtering feature, the Wireless ADSL Modem Router prevents objectionable content from reaching your PCs. The ADSL modem router allows you to control access to Internet content by screening for keywords within Web addresses.
  • Page 62 DG834G Reference Manual 2. Select the Block Sites link of the Security menu. Figure 5-3 3. To enable keyword blocking, select one of the following: • Per Schedule—to turn on keyword blocking according to the settings on the Schedule page. •...

  • Page 63: Firewall Rules

    DG834G Reference Manual You can specify one trusted user, which is a computer that will be exempt from blocking and logging. Since the trusted user will be identified by an IP address, you should configure that computer with a fixed IP address. 7.

  • Page 64: Inbound Rules (Port Forwarding)

    DG834G Reference Manual To access the rules configuration of the DG834G, click the Firewall Rules link on the main menu, then click Add for either an Outbound or Inbound Service. Figure 5-4 • To edit an existing rule, select its button on the left side of the table and click Edit. •...
  • Page 65 DG834G Reference Manual Remember that allowing inbound services opens holes in your firewall. Only enable those ports that are necessary for your network. Following are two application examples of inbound rules: Inbound Rule Example: A Local Public Web Server If you host a public Web server on your local network, you can define a rule to allow inbound Web (HTTP) requests from any outside IP address to the IP address of your Web server at any time of day.
  • Page 66 DG834G Reference Manual • WAN Users These settings determine which packets are covered by the rule, based on their source (WAN) IP address. Select the desired option: – Any — all IP addresses are covered by this rule. – Address range — if this option is selected, you must enter the Start and Finish fields. –...
  • Page 67 DG834G Reference Manual Inbound Rule Example: Allowing Videoconferencing If you want to allow incoming videoconferencing to be initiated from a restricted range of outside IP addresses, such as from a branch office, you can create an inbound rule. In the example shown here, CU-SeeMe connections are allowed only from a specified range of external IP addresses.

  • Page 68: Outbound Rules (Service Blocking)

    DG834G Reference Manual Outbound Rules (Service Blocking) The DG834G allows you to block the use of certain Internet services by computers on your network. This is called service blocking or port filtering. You can define an outbound rule to block Internet access from a local computer based on: •...
  • Page 69 DG834G Reference Manual The parameters are: • Service From this list, select the application or service to be allowed or blocked. The list already displays many common services, but you are not limited to these choices. Use the Add Custom Service feature to add any additional services or applications that do not already appear.

  • Page 70: Order Of Precedence For Rules

    DG834G Reference Manual Order of Precedence for Rules As you define new rules, they are added to the tables in the Rules menu, as shown: Figure 5-8 For any traffic attempting to pass through the firewall, the packet information is subjected to the rules in the order shown in the Rules Table, beginning at the top and proceeding to the default rules at the bottom.

  • Page 71: How To Define Services

    DG834G Reference Manual Although the DG834G already holds a list of many service port numbers, you are not limited to these choices. Use the procedure below to create your own service definitions. How to Define Services 1. Log in to the ADSL modem router at its default LAN address of http://192.168.0.1 with its default User Name of admin, default password of password, or using whatever Password and LAN address you have chosen for the ADSL modem router.

  • Page 72: Setting Times And Scheduling Firewall Services

    DG834G Reference Manual Setting Times and Scheduling Firewall Services The Wireless ADSL Modem Router uses the Network Time Protocol (NTP) to obtain the current time and date from one of several Network Time Servers on the Internet. How to Set Your Time Zone In order to localize the time for your log entries, you must specify your Time Zone: 1.

  • Page 73: How To Schedule Firewall Services

    Enabling Daylight Savings Time will cause one hour to be added to the standard time. 4. The ADSL modem router has a list of NETGEAR NTP servers. If you would prefer to use a particular NTP server as the primary server, enter its IP address under Use this NTP Server.

  • Page 74: Security Service Settings

    Network Security. To take advantage of this feature you must register an account with Trend Micro. For more information, refer to the Home Network Security Quick Start Guide on the NETGEAR Resource CD, or to http://www.trendmicro.com/offers/netgear. The Trend Micro software requires Microsoft Internet Explorer 5.5 or higher.
  • Page 75 To install Home Network Security, click the Trend Micro banner and then follow the on-screen instructions. For assistance, refer to the Home Network Security Quick Start Guide included on the NETGEAR Resource CD. (You can download this document and the Home Network Security User’s Guide at http://www.trendmicro.com/en/support/tmss/netgear.) •...

  • Page 76: Parental Controls Settings

    DG834G Reference Manual Parental Controls Settings Click Parental Controls under Content Filtering on the Main menu to get the Trend Micro Parental Controls menu shown below: Click this banner to install the Trend Micro dashboard and set up your Trend Micro account.
  • Page 77 DG834G Reference Manual Note: When in Per-User mode, everyone accessing the Internet through the router is required to log in. To configure General mode: 1. Enter a password in the Parental Controls Bypass Password box, re-enter it in the Confirm password box, and then click Apply.
  • Page 78 DG834G Reference Manual 2. Make the desired changes, and then click Apply. To delete a user, select the user’s name in the User Account Information table and then click Delete. Parental Controls Logs Click Parental Controls Logs to view attempts to access restricted sites, and actual accesses. Blocking criteria for potentially offensive categories Trend Micro has defined twelve potentially offensive categories of Web sites.
  • Page 79 DG834G Reference Manual – Nudity: Sites containing nude or seminude depictions of the human body. Such depictions need not be sexual in intent or effect. May include sites containing nude paintings or photo galleries of an artistic nature. This category includes nudist or naturist sites. –...
  • Page 80 DG834G Reference Manual 5-22 Protecting Your Network v3.0, September 2005...

  • Page 81: Managing Your Network

    Chapter 6 Managing Your Network This chapter describes how to perform network management tasks with your 54 Mbps Wireless ADSL Modem Router Model DG834G. Backing Up, Restoring, or Erasing Your Settings The configuration settings of the Wireless ADSL Modem Router are stored in a configuration file in the ADSL modem router.

  • Page 82: How To Restore The Configuration From A File

    NETGEAR. Upgrade files can be downloaded from NETGEAR's Web site. If the upgrade file is compressed (.ZIP file), you must first extract the binary (.BIN or .IMG) file before uploading it to the ADSL modem router.

  • Page 83: How To Upgrade The Adsl Modem Router Firmware

    DG834G Reference Manual How to Upgrade the ADSL Modem Router Firmware Note: NETGEAR recommends that you back up your configuration before doing a firmware upgrade. After the upgrade is complete, you may need to restore your configuration settings. 1. Download and unzip the new software file from NETGEAR.

  • Page 84: Viewing Adsl Modem Router Status And Usage Statistics

    DG834G Reference Manual Viewing ADSL Modem Router Status and Usage Statistics From the Main Menu, under Maintenance, click ADSL Modem Router Status to view this screen. Figure 6-3 The ADSL Modem Router Status menu provides status and usage information. This screen shows the following parameters: Table 6-1.
  • Page 85 DG834G Reference Manual Table 6-1. Menu 3.2 - ADSL Modem Router Status Fields Field Description MAC Address This field displays the Ethernet MAC address being used by the Internet (ADSL) port of the ADSL modem router. IP Address This field displays the IP address being used by the Internet (ADSL) port of the ADSL modem router.
  • Page 86 DG834G Reference Manual Table 6-1. Menu 3.2 - ADSL Modem Router Status Fields Field Description The Virtual Path Identifier setting. The Virtual Channel Identifier setting. Click the Show Statistics button to display ADSL modem router usage statistics, as shown below: Figure 6-4 This screen shows the following statistics:.
  • Page 87 DG834G Reference Manual Click the Connection Status button to display ADSL modem router connection status, as shown. Figure 6-5 Clicking the Renew button updates the status information. This screen shows the following statistics: Table 6-1. Connection Status Fields for Dynamic IP Field Description IP Address...
  • Page 88 DG834G Reference Manual An alternate view of the Connection Status screen is shown below: Figure 6-6 Clicking the Renew button updates the status information. This screen shows the following statistics: Table 6-1. Connection Status Fields for PPPoA Field Description Connection Time The time elapsed since the last connection to the Internet via the ADSL port.

  • Page 89: Viewing Attached Devices

    DG834G Reference Manual Viewing Attached Devices The Attached Devices menu contains a table of all IP devices that the ADSL modem router has discovered on the local network. From the Main Menu of the browser interface, under the Maintenance heading, select Attached Devices to view the table, shown: Figure 6-7 For each device, the table shows the IP address, Device Name if available, and the Ethernet MAC address.
  • Page 90 DG834G Reference Manual An example of the logs file is shown below. Figure 6-8 Log entries are described in Table 6-1 below: Table 6-1. Security Log entry descriptions Field Description Date and Time The date and time the log entry was recorded. 6-10 Managing Your Network v3.0, September 2005...
  • Page 91 DG834G Reference Manual Table 6-1. Security Log entry descriptions Field Description Description or The type of event and what action was taken if any. Action Source IP The IP address of the initiating device for this log entry. Source port and The service port number of the initiating device, and whether it interface originated from the LAN or WAN...

  • Page 92: Examples Of Log Messages

    Following are examples of log messages. In all cases, the log entry shows the timestamp as: Day, Year-Month-Date Hour:Minute:Second. Activation and Administration Tue, 2002-05-21 18:48:39 - NETGEAR activated [This entry indicates a power-up or reboot with initial time entry.] Tue, 2002-05-21 18:55:00 - Administrator login successful - IP:192.168.0.2 Thu, 2002-05-21 18:56:58 - Administrator logout - IP:192.168.0.2...

  • Page 93: Enabling Security Event E-Mail Notification

    DG834G Reference Manual Enabling Security Event E-mail Notification In order to receive logs and alerts by e-mail, you must provide your e-mail information in the E- mail subheading: Figure 6-9 • Turn e-mail notification on. Select this check box if you want to receive e-mail logs and alerts from the ADSL modem router.

  • Page 94: Running Diagnostic Utilities And Rebooting The Adsl Modem Router

    DG834G Reference Manual – Day for sending log Specifies which day of the week to send the log. Relevant when the log is sent weekly or daily. – Time for sending log Specifies the time of day to send the log. Relevant when the log is sent daily or weekly. If the Weekly, Daily or Hourly option is selected and the log fills up before the specified period, the log is automatically e-mailed to the specified e-mail address.

  • Page 95: Enabling Remote Management

    DG834G Reference Manual From the Main Menu of the browser interface, under the Maintenance heading, select the ADSL Modem Router Diagnostics heading to display the menu shown. Figure 6-10 Enabling Remote Management Using the Remote Management page, you can allow a user or users on the Internet to configure, upgrade and check the status of your 54 Mbps Wireless ADSL Modem Router Model DG834G.
  • Page 96 DG834G Reference Manual 3. Select the Turn Remote Management On check box. 4. Specify what external addresses will be allowed to access the ADSL modem router’s remote management. For security, restrict access to as few external IP addresses as practical: •...

  • Page 97: Advanced Configuration

    Chapter 7 Advanced Configuration This chapter describes how to configure the advanced features of your 54 Mbps Wireless ADSL Modem Router Model DG834G. Configuring Advanced Security The 54 Mbps Wireless ADSL Modem Router Model DG834G provides a variety of advanced features, such as: •...

  • Page 98: Setting Up A Default Dmz Server

    DG834G Reference Manual Setting Up A Default DMZ Server The Default DMZ Server feature is helpful when using some online games and videoconferencing applications that are incompatible with NAT. The ADSL modem router is programmed to recognize some of these applications and to work properly with them, but there are other applications that may not function well.

  • Page 99: Connect Automatically, As Required

    DG834G Reference Manual 2. From the Main Menu, under Advanced, click the WAN Setup link to view the page shown: Figure 7-1 3. Select the Default DMZ Server check box. 4. Type the IP address for that server. 5. Click Apply to save your changes. Connect Automatically, as Required Normally, this option should be enabled, so that an Internet connection will be made automatically, whenever Internet-bound traffic is detected.

  • Page 100: Respond To Ping On Internet Wan Port

    DG834G Reference Manual Respond to Ping on Internet WAN Port If you want the ADSL modem router to respond to a 'ping' from the Internet, select the ‘Respond to Ping on Internet WAN Port’ check box. This should only be used as a diagnostic tool, since it allows your ADSL modem router to be discovered.
  • Page 101 DG834G Reference Manual These addresses are part of the Internet Engineering Task Force (IETF)-designated private address range for use in private networks, and should be suitable in most applications. If your network has a requirement to use a different IP addressing scheme, you can make those changes in this menu. Figure 7-2 The LAN TCP/IP Setup parameters are: •...

  • Page 102: Dhcp

    DG834G Reference Manual • RIP Direction RIP (Router Information Protocol) allows a ADSL modem router to exchange routing information with other routers. The RIP Direction selection controls how the ADSL Modem Router sends and receives RIP packets. Both is the default. —...
  • Page 103 DG834G Reference Manual Use Router as DHCP server If another device on your network will be the DHCP server, or if you will manually configure the network settings of all of your computers, clear the ‘Use router as DHCP server’ check box. Otherwise, leave it selected.

  • Page 104: How To Configure Lan Tcp/Ip Settings

    DG834G Reference Manual 4. Click Apply to enter the reserved address into the table. Note: The reserved address will not be assigned until the next time the computer contacts the router's DHCP server. Reboot the computer or access its IP configuration and force a DHCP release and renew.

  • Page 105: Configuring Dynamic Dns

    DG834G Reference Manual Configuring Dynamic DNS If your network has a permanently assigned IP address, you can register a domain name and have that name linked with your IP address by public Domain Name Servers (DNS). However, if your Internet account uses a dynamically assigned IP address, you will not know in advance what your IP address will be, and the address can change frequently.
  • Page 106 DG834G Reference Manual 2. From the Main Menu of the browser interface, under Advanced, select Dynamic DNS to display the page below. Figure 7-4 3. Access the Web site of one of the dynamic DNS service providers whose names appear in the ‘Service Provider’...

  • Page 107: Using Static Routes

    DG834G Reference Manual Using Static Routes Static Routes provide additional routing information to your router. Under normal circumstances, the router has adequate routing information after it has been configured for Internet access, and you do not need to configure additional static routes. You must configure static routes only for unusual cases such as multiple routers or multiple IP subnets located on your network.

  • Page 108: How To Configure Static Routes

    DG834G Reference Manual How to Configure Static Routes 1. Log in to the router at its default LAN address of http://192.168.0.1 with its default User Name of admin, default password of password, or using whatever User Name, Password and LAN address you have chosen for the router.

  • Page 109: Universal Plug And Play (Upnp)

    DG834G Reference Manual d. Select Active to make this route effective. e. Type the Destination IP Address of the final destination. Type the IP Subnet Mask for this destination. If the destination is a single host, type 255.255.255.255. g. Type the Gateway IP Address, which must be a router on the same LAN segment as the router.
  • Page 110 DG834G Reference Manual • Advertisement Period: The Advertisement Period is how often the Router will advertise (broadcast) its UPnP information. This value can range from 1 to 1440 minutes. The default period is for 30 minutes. Shorter durations will ensure that control points have current device status at the expense of additional network traffic.

  • Page 111: Virtual Private Networking

    “How to Set Up a Client-to-Gateway VPN Configuration” on page -6 provides the steps needed to configure a VPN tunnel between a remote PC and a network gateway using the VPN Wizard and the NETGEAR ProSafe VPN Client. • “How to Set Up a Gateway-to-Gateway VPN Configuration” on page -20 provides the steps needed to configure a VPN tunnel between two network gateways using the VPN Wizard.

  • Page 112: Overview Of Vpn Configuration

    Client-to-Gateway VPN Tunnels provide secure access from a remote PC, such as a telecommuter connecting to an office network. VPN Tunnel DG834G (Running NETGEAR ProSafe VPN Client) Figure 8-1 A VPN client access allows a remote PC to connect to your network from any location on the Internet.

  • Page 113: Gateway-To-Gateway Vpn Tunnels

    DG834G VPN Firewall Figure 8-2 A VPN between two or more NETGEAR VPN-enabled routers is a good way to connect branch or home offices and business partners over the Internet. VPN tunnels also enable access to network resources across the Internet. In this case, use DG834Gs on each end of the tunnel to form the VPN tunnel end points.
  • Page 114 DG834G Reference Manual Table 8-1. VPN Tunnel Configuration Worksheet Connection Name: Pre-Shared Key: Secure Association -- Main Mode or Manual Keys: Perfect Forward Secrecy -- Enabled or Disabled: NETBIOS -- Enabled or Disabled: Encryption Protocol -- DES or 3DES: Authentication Protocol -- MD5 or SHA-1: Diffie-Hellman (DH) Group -- Group 1 or Group 2: Key Life in seconds: IKE Life Time in seconds:...

  • Page 115: Vpn Tunnel Configuration

    DG834G Reference Manual • What method will you use to configure your VPN tunnels? — The VPN Wizard using VPNC defaults (see Table 8-2) — The typical automated Internet Key Exchange (IKE) setup (see “Using Auto Policy to Configure VPN Tunnels” on page 8-36) —...

  • Page 116: How To Set Up A Client-To-Gateway Vpn Configuration

    22.23.24.25 0.0.0.0 DG834G 192.168.3.1 (Running NETGEAR ProSafe VPN Client) Figure 8-3 Setting up a VPN between a remote PC running the NETGEAR ProSafe VPN Client and a network gateway involves the following two steps: Virtual Private Networking v3.0, September 2005...

  • Page 117: Step 1: Configuring The Client-To-Gateway Vpn Tunnel On The Dg834G

    VPN Wizard to configure the VPN tunnel between the remote PC and network gateway. • “Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC” on page -12 configures the NETGEAR ProSafe VPN Client endpoint. Step 1: Configuring the Client-to-Gateway VPN Tunnel on the...
  • Page 118 DG834G Reference Manual Table 8-1. VPN Tunnel Configuration Worksheet Connection Name: RoadWarrior Pre-Shared Key: 12345678 Secure Association -- Main Mode or Manual Keys: Main Perfect Forward Secrecy -- Enabled or Disabled: Disabled NETBIOS -- Enabled or Disabled: Enabled Encryption Protocol -- DES or 3DES: 3DES Authentication Protocol -- MD5 or SHA-1: SHA-1...
  • Page 119 DG834G Reference Manual 1. Log in to the DG834G at its LAN address of http://192.168.0.1 with its default user name of and password of . Click the VPN Wizard link in the main menu to display admin password this screen. Click Next to proceed. Figure 8-4 2.
  • Page 120 DG834G Reference Manual The Summary screen below displays. Figure 8-6 8-10 Virtual Private Networking v3.0, September 2005...
  • Page 121 DG834G Reference Manual To view the VPNC recommended authentication and encryption settings used by the VPN Wizard, click the “here” link. Click Back to return to the Summary screen. 1 hour Figure 8-7 3. Click Done on the Summary screen to complete the configuration procedure. The VPN Policies menu below displays showing that the new tunnel is enabled.

  • Page 122: Step 2: Configuring The Netgear Prosafe Vpn Client On The Remote Pc

    This procedure describes how to configure the NETGEAR ProSafe VPN Client. We will assume the PC running the client has a dynamically assigned IP address. The PC must have the NETGEAR ProSafe VPN Client program installed that supports IPSec. Go to the NETGEAR website (http://www.netgear.com) and select VPN01L_VPN05L in the Product Quick Find drop-down menu for information on how to purchase the NETGEAR ProSafe VPN Client.
  • Page 123 DG834G Reference Manual • From the Edit menu of the Security Policy Editor, click Add, then Connection. Figure 8-9 A “New Connection” listing appears in the list of policies. Rename the “New Connection” so that it matches the Connection Name you entered in the VPN Settings of the DG834G on LAN A.
  • Page 124 The resulting Connection Settings are shown in Figure 8-10. 3. Configure the Security Policy in the NETGEAR ProSafe VPN Client software. • In the Network Security Policy list, expand the new connection by double clicking its name or clicking on the “+” symbol. My Identity and Security Policy subheadings appear below the connection name.
  • Page 125 DG834G Reference Manual • In the Network Security Policy list on the left side of the Security Policy Editor window, click on My Identity. Figure 8-11 • Choose None in the Select Certificate menu. • Select IP Address in the ID Type menu. If you are using a virtual fixed IP address, enter this address in the Internal Network IP Address box.
  • Page 126 DG834G Reference Manual 5. Configure the VPN Client Authentication Proposal. In this step, you will provide the type of encryption (DES or 3DES) to be used for this connection. This selection must match your selection in the DG834G configuration. • In the Network Security Policy list on the left side of the Security Policy Editor window, expand the Security Policy heading by double clicking its name or clicking on the “+”...
  • Page 127 DG834G Reference Manual • Expand the Key Exchange subheading by double clicking its name or clicking on the “+” symbol. Then select Proposal 1 below Key Exchange. Figure 8-14 • In the SA Life menu, select Unspecified. • In the Compression menu, select None. •...
  • Page 128 To check the VPN Connection, you can initiate a request from the remote PC to the DG834G’s network by using the “Connect” option in the NETGEAR ProSafe menu bar. The NETGEAR ProSafe client will report the results of the attempt to connect. Since the remote PC has a dynamically assigned WAN IP address, it must initiate the request.
  • Page 129 NETGEAR ProSafe Log Viewer. 1. To launch this function, click on the Windows Start button, then select Programs, then NETGEAR ProSafe VPN Client, then Log Viewer. 2. The Log Viewer screen for a successful connection is shown below: Figure 8-17: Log Viewer screen Note: Use the active VPN tunnel information and pings to determine whether a failed connection is due to the VPN tunnel or some reason outside the VPN tunnel.

  • Page 130: How To Set Up A Gateway-To-Gateway Vpn Configuration

    DG834G Reference Manual • The DG834G has a public IP WAN address of 22.23.24.25. • The DG834G has a LAN IP address of 192.168.3.1. • The VPN client PC has a dynamically assigned address of 192.168.2.2. While the connection is being established, the Connection Name field in this menu will say “SA” before the name of the connection.
  • Page 131 Note: The LAN IP address ranges of each VPN endpoint must be different. The connection will fail if both are using the NETGEAR default address range of 192.168.0.x. Follow this procedure to configure a gateway-to-gateway VPN tunnel using the VPN Wizard.
  • Page 132 DG834G Reference Manual Figure 8-20: VPN Wizard Start Screen 2. Fill in the Connection Name and the pre-shared key, select the type of target end point, and click Next to proceed. Enter the new Connection Name: (e.g., GtoG) Enter the pre-shared key: (e.g., 12345678) Select the radio button: A remote VPN Gateway...
  • Page 133 DG834G Reference Manual 3. Fill in the IP Address or FQDN for the target VPN endpoint WAN connection and click Next. Enter the WAN IP address of the remote VPN gateway: (e.g., 22.23.24.25) Figure 8-22: Remote IP 4. Identify the IP addresses at the target endpoint which can use this tunnel, and click Next. Enter the LAN IP settings of the remote VPN gateway: •...
  • Page 134 DG834G Reference Manual Figure 8-24: VPN Wizard Summary To view the VPNC recommended authentication and encryption settings used by the VPN Wizard, click the “here” link (see Figure 8-24). Click Back to return to the Summary screen. 8-24 Virtual Private Networking v3.0, September 2005...
  • Page 135 DG834G Reference Manual 1 hour Figure 8-25: VPN Recommended Settings 5. Click Done on the Summary screen (see Figure 8-24) to complete the configuration procedure. The VPN Settings menu below displays showing that the new tunnel is enabled. Figure 8-26: VPN Policies Note: Refer to “Using Auto Policy to Configure VPN Tunnels”...
  • Page 136 DG834G Reference Manual 6. Repeat for the DG834G on LAN B and pay special attention to use the following network settings as appropriate. • WAN IP of the remote VPN gateway (e.g., 14.15.16.17) • LAN IP settings of the remote VPN gateway: —...

  • Page 137: Vpn Tunnel Control

    DG834G Reference Manual Figure 8-28: Current VPN Tunnels (SAs) Screen c. Look at the VPN Status/Log screen (Figure 8-27) to verify that the tunnel is connected. VPN Tunnel Control Activating a VPN Tunnel There are three ways to activate a VPN tunnel: •...
  • Page 138 DG834G Reference Manual 2. Open the DG834G management interface and click on VPN Status to get the VPN Status/Log screen (Figure 8-29). Figure 8-29: VPN Status/Log Screen 3. Click on VPN Status (Figure 8-29) to get the Current VPN Tunnels (SAs) screen (Figure 8-30).
  • Page 139 PC to the DG834G’s network by using the “Connect” option in the NETGEAR ProSafe menu bar. The NETGEAR ProSafe client will report the results of the attempt to connect. Since the remote PC has a dynamically assigned WAN IP address, it must initiate the request.

  • Page 140: Verifying The Status Of A Vpn Tunnel

    DG834G Reference Manual Once the connection is established, you can open the browser of the PC and enter the LAN IP address of the remote DG834G. After a short wait, you should see the login screen of the ADSL Modem Router (unless another PC already has the DG834G management interface open).
  • Page 141 DG834G Reference Manual Figure 8-34: VPN Status/Log Screen 3. Click on VPN Status (Figure 8-29) to get the Current VPN Tunnels (SAs) screen (Figure 8-30). This table lists the following data for each active VPN Tunnel. • SPI—each SA has a unique SPI (Security Parameter Index) for traffic in each direction. For "Manual"...

  • Page 142: Deactivating A Vpn Tunnel

    DG834G Reference Manual Figure 8-35: Current VPN Tunnels (SAs) Screen Deactivating a VPN Tunnel Sometimes a VPN tunnel must be deactivated for testing purposes. There are two ways to deactivate a VPN tunnel: • Policy table on VPN Policies page •...
  • Page 143 DG834G Reference Manual 2. Open the DG834G management interface and click on VPN Policies to get the VPN Policies screen (Figure 8-37). Figure 8-36: VPN Policies 3. Clear the Enable check box for the VPN tunnel you want to deactivate and click Apply. (To reactivate the tunnel, check the Enable box and click Apply.) Using the VPN Status Page to Deactivate a VPN Tunnel To use the VPN Status page to deactivate a VPN tunnel, perform the following steps:...
  • Page 144 DG834G Reference Manual 2. Open the DG834G management interface and click on VPN Status to get the VPN Status/Log screen (Figure 8-37). Figure 8-37: VPN Status/Log Screen 3. Click VPN Status (Figure 8-37) to get the Current VPN Tunnels (SAs) screen (Figure 8-38).

  • Page 145: Deleting A Vpn Tunnel

    DG834G Reference Manual Note: When NETBIOS is enabled (which it is in the VPNC defaults implemented by the VPN Wizard), automatic traffic will reactivate the tunnel. To prevent reactivation from happening, either disable NETBIOS or disable the policy for the tunnel (see “Using the Policy Table on the VPN Policies Page to Deactivate a VPN Tunnel”...

  • Page 146: Using Auto Policy To Configure Vpn Tunnels

    DG834G Reference Manual • Manual Policy—for a Manual Keying setup in which you must specify each phase of the connection, see “Using Manual Policy to Configure VPN Tunnels” on page -48. Manual Policy does not use IKE. Rather, you manually enter all the authentication and key parameters. You have more control over the process, however the process is more complex and there are more opportunities for errors or configuration mismatches between your DG834G and the corresponding VPN endpoint gateway or client workstation.
  • Page 147 DG834G Reference Manual Figure 8-40: DG834G VPN Tunnel Auto Policy Configuration Menu Virtual Private Networking 8-37 v3.0, September 2005...
  • Page 148 DG834G Reference Manual The DG834G VPN tunnel network connection fields are defined as follows: General These settings identify this policy and determine its major characteristics. • Policy Name—Enter a unique name to identify this policy. This name is not supplied to the remote VPN endpoint.
  • Page 149 DG834G Reference Manual Remote LAN This identifies which PCs on the remote LAN are covered by this policy. For each selection, data must be provided as follows: — • Single PC - no Subnet select this option if there is no LAN (only a single PC) at the remote endpoint.
  • Page 150 DG834G Reference Manual Local Identity Data—enter the data for the selection above. (If "WAN IP Address" is selected, no input is required.) Remote Identity Type—select the desired option to match the "Local Identity Type" setting on the remote VPN endpoint. —...
  • Page 151 DG834G Reference Manual This setting applies to both IKE and IPSec SAs. When configuring the remote endpoint to match this setting, you may have to specify the "Key Group" used. For this device, the "Key Group" is the same as the "DH Group" setting in the IKE section. Example of Using Auto Policy VPN Tunnel 14.15.16.17...
  • Page 152 DG834G Reference Manual Table 8-1. VPN Tunnel Configuration Worksheet Connection Name: GtoG Pre-Shared Key: 12345678 Secure Association -- Main Mode or Manual Keys: Main Perfect Forward Secrecy -- Enabled or Disabled: Disabled NETBIOS -- Enabled or Disabled: Enabled Encryption Protocol -- DES or 3DES: 3DES Authentication Protocol -- MD5 or SHA-1: SHA-1...
  • Page 153 DG834G Reference Manual 2. Open the DG834G on LAN A management interface and click on VPN Policies. Figure 8-42: VPN Policies Screen 3. Click Add Auto Policy. 4. Enter policy settings (see Figure 8-43). • General — Policy Name = GtoG —...
  • Page 154 DG834G Reference Manual — Remote Identity Type = use default setting • Parameters — Encryption Algorithm = 3DES — Authentication Algorithm = MD5 — Pre-shared Key = 12345678 8-44 Virtual Private Networking v3.0, September 2005...
  • Page 155 DG834G Reference Manual Figure 8-43: VPN Auto Policies Screen Virtual Private Networking 8-45 v3.0, September 2005...
  • Page 156 DG834G Reference Manual 5. Click Apply. The Get VPN Policies web page is displayed. Figure 8-44: VPN Policies Screen 6. Repeat for the DG834G on LAN B and pay special attention to use the following network settings as appropriate. • General, Remote Address Data (e.g., 14.15.16.17) •...
  • Page 157 DG834G Reference Manual Figure 8-45: VPN Status/Log Screen b. Click VPN Status (Figure 8-45) to display the Current VPN Tunnels (SAs) screen (Figure 8-46). Click on Connect for the VPN tunnel you want to activate. Figure 8-46: Current VPN Tunnels (SAs) Screen c.

  • Page 158: Using Manual Policy To Configure Vpn Tunnels

    DG834G Reference Manual Using Manual Policy to Configure VPN Tunnels As an alternative to IKE, you may use Manual Keying, in which you must specify each phase of the connection. A "Manual" VPN policy requires all settings for the VPN tunnel to be manually input at each end (both VPN endpoints).
  • Page 159 DG834G Reference Manual • Policy Name—enter a unique name to identify this policy. This name is not supplied to the remote VPN endpoint. It is used only to help you manage the policies. • Remote VPN Endpoint—select the desired option (IP address or Fully Qualified Domain Name) and enter the address of the remote VPN endpoint to which you wish to connect.
  • Page 160 DG834G Reference Manual • Subnet address—enter an IP address in the "Single/Start IP address" field, and the desired network mask in the "Subnet Mask" field. The remote VPN endpoint must have these IP addresses entered as its "Local" addresses. ESP Configuration ESP (Encapsulating Security Payload) provides security for the payload (data) sent through the VPN tunnel.

  • Page 161: Troubleshooting

    Chapter 9 Troubleshooting This chapter gives information about troubleshooting your 54 Mbps Wireless ADSL Modem Router Model DG834G. After each problem description, instructions are provided to help you diagnose and solve the problem. For the common problems listed, go to the section indicated. •...

  • Page 162: Power Led Not On

    • Check that you are using the 12 V DC power adapter supplied by NETGEAR for this product. If the error persists, you have a hardware problem and should contact technical support.

  • Page 163: Troubleshooting The Web Configuration Interface

    DG834G Reference Manual • Make sure that power is turned on to the connected hub or workstation. • Be sure you are using the correct cable: — When connecting the router’s WAN ADSL port, use the cable that was supplied with the DG834G.

  • Page 164: Troubleshooting The Isp Connection

    DG834G Reference Manual • Click the Refresh or Reload button in the Web browser. The changes may have occurred, but the Web browser may be caching the old configuration. Troubleshooting the ISP Connection If your router is unable to access the Internet, you should check the ADSL connection, then the WAN TCP/IP connection.

  • Page 165: Obtaining A Wan Ip Address

    To check the WAN IP address from the browser interface: 1. Launch your browser and select an external site such as www.netgear.com. 2. Access the Main Menu of the ADSL modem router’s configuration at http://192.168.0.1. 3. Under the Maintenance heading check that an IP address is shown for the WAN Port.

  • Page 166: Troubleshooting Pppoe Or Pppoa

    DG834G Reference Manual • Your ISP only allows one Ethernet MAC address to connect to Internet, and may check for your computer’s MAC address. In this case: Inform your ISP that you have bought a new network device, and ask them to use the router’s MAC address.

  • Page 167: Troubleshooting A Tcp/Ip Network Using The Ping Utility

    DG834G Reference Manual A DNS server is a host on the Internet that translates Internet names (such as www addresses) to numeric IP addresses. Typically your ISP will provide the addresses of one or two DNS servers for your use. If you entered a DNS address during the ADSL modem router’s configuration, reboot your computer and verify the DNS address as described in “Preparing a Computer for Network Access:”...

  • Page 168: Testing The Path From Your Computer To A Remote Device

    DG834G Reference Manual Request timed out If the path is not functioning correctly, you could have one of the following problems: • Wrong physical connections — Make sure the LAN port LED is on. If the LED is off, follow the instructions in “LAN or WAN Port LEDs Not On”...

  • Page 169: Restoring The Default Configuration And Password

    DG834G Reference Manual — Your ISP could be rejecting the Ethernet MAC addresses of all but one of your PCs. Many broadband ISPs restrict access by only allowing traffic from the MAC address of your broadband modem, but some ISPs additionally restrict access to the MAC address of a single PC connected to that modem.
  • Page 170 DG834G Reference Manual • Time is off by one hour Cause: The router does not automatically sense Daylight Savings Time. In the E-mail menu, check or uncheck the box marked “Adjust for Daylight Savings Time”. 9-10 Troubleshooting v3.0, September 2005...

  • Page 171: Technical Specifications

    Appendix A Technical Specifications This appendix provides technical specifications for the 54 Mbps Wireless ADSL Modem Router Model DG834G. Network Protocol and Standards Compatibility Data and Routing Protocols: TCP/IP, RIP-1, RIP-2, DHCP, PPPoE or PPPoA, RFC 1483 Bridged or Routed Ethernet, and RFC 1577 Classical IP over ATM Power Adapter North America: 120V, 60 Hz, input...
  • Page 172 DG834G Reference Manual Technical Specifications v3.0, September 2005...

  • Page 173: Appendix B Related Documents

    Appendix B Related Documents This appendix provides links to reference documents you can use to gain a more complete understanding of the technologies used in your NETGEAR product. Document Link Internet Networking and TCP/IP http://documentation.netgear.com/reference/enu/tcpip/index.htm Addressing: Wireless Communications: http://documentation.netgear.com/reference/enu/wireless/index.htm Preparing a Computer for http://documentation.netgear.com/reference/enu/wsdhcp/index.htm...
  • Page 174 DG834G Reference Manual Related Documents BETA...

  • Page 175: Netgear Vpn Configuration

    NETGEAR VPN Configuration DG834G to FVL328 This appendix is a case study on how to configure a secure IPSec VPN tunnel from a NETGEAR DG834G to a FVL328. This case study follows the VPN Consortium interoperability profile guidelines (found at http://www.vpnc.org/InteropProfiles/Interop-01.html).

  • Page 176: Step-By-Step Configuration

    172.23.9.1 FVL328 DG834G Figure C-1: Addressing and Subnet Used for Examples Note: Product updates are available on the NETGEAR, Inc. web site at http://kbserver.netgear.com/DG834G.asp. Step-By-Step Configuration Configure the DG834G as in the Gateway-to-Gateway procedures using the VPN Wizard (see “How to Set Up a Gateway-to-Gateway VPN Configuration“ on page -20), being certain to use appropriate network addresses for the environment.
  • Page 177 In Step 1, enter toFVL328 for the Connection Name. In Step 2, enter 22.23.24.25 for the remote WAN's IP address. In Step 3, enter the following: • IP Address = 172.23.9.1 • Subnet Mask = 255.255.255.0 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 178 DG834G Reference Manual Click VPN Policies under Advanced - VPN to invoke this screen 10.5.6.1 172.23.9.1 toFVL328 toFVL328 22.23.24.25 10 10 Figure C-2: Viewing and editing the VPN parameters of the DG834G at gateway A NETGEAR VPN Configuration v3.0, September 2005...
  • Page 179 In Step 1, enter toDG834 for the Connection Name In Step 2, enter 14.15.16.17 for the remote WAN's IP address In Step 3, enter the following: • IP Address = 10.5.6.1 • Subnet Mask = 255.255.255.0 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 180 VPN to invoke this screen 14.15.16.17 toDG834 172.23.9.1 10.5.6.1 Click VPN Policies under VPN to invoke this screen toDG834 toDG834 14.15.16.17 Figure C-3: Viewing and editing the VPN parameters of the FVL328 at gateway B NETGEAR VPN Configuration v3.0, September 2005...

  • Page 181: Dg834G With Fqdn To Fvl328

    DG834G with FQDN to FVL328 This appendix is a case study on how to configure a VPN tunnel from a NETGEAR DG834G to a FVL328 using a Fully Qualified Domain Name (FQDN) to resolve the public address of one or both routers.
  • Page 182 DG834G FVL328 Figure C-5: Addressing and Subnet Used for Examples Note: Product updates are available on the NETGEAR, Inc. web site at http://kbserver.netgear.com/DG834G.asp. The Use of a Fully Qualified Domain Name (FQDN) Many ISPs (Internet Service Providers) provide connectivity to their customers using dynamic instead of static IP addressing.

  • Page 183: Step-By-Step Configuration

    Click on the Dynamic DNS link on the left side of the Settings management GUI. This will take you to the Dynamic DNS Menu. On the DG834G, configure the Dynamic DNS settings. Browse to the Dynamic DNS Setup Screen (see Figure C-6) in the Advanced menu. NETGEAR VPN Configuration v3.0, September 2005...
  • Page 184 Host Name = dg834g.dyndns.org • User Name = <user's account username> • Password = <user's account password> Click Show Status. The resulting screen should show Update OK: good (see Figure C-7). Figure C-7: Status Screen C-10 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 185 C-8), configure with appropriate account and hostname settings (see Figure C-9), and then click Apply. • Host and Domain Name = fvl328.dyndns.org • User Name = <user's account username> • Password = <user's account password> NETGEAR VPN Configuration C-11 v3.0, September 2005...
  • Page 186 DG834G Reference Manual Figure C-9: Dynamic DNS Setup Screen Click Show Status. The resulting screen should show Update OK: good (see Figure C-10). C-12 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 187 Configure the FVL328 as in the Gateway-to-Gateway procedures for the VPN Wizard (see “How to Set Up a Gateway-to-Gateway VPN Configuration“ on page -20), being certain to use appropriate network addresses for the environment. NETGEAR VPN Configuration C-13 v3.0, September 2005...

  • Page 188: Configuration Summary (Telecommuter Example

    Verify whether the firmware is up to date, all of the addresses that will be necessary, and all of the parameters that need to be set on both sides. Assure that there are no firewall restrictions. C-14 NETGEAR VPN Configuration v3.0, September 2005...

  • Page 189: Setting Up The Client-To-Gateway Vpn Configuration (Telecommuter Example

    Figure C-12: Addressing and subnet used for telecommuter example Setting Up the Client-to-Gateway VPN Configuration (Telecommuter Example) Setting up a VPN between a remote PC running the NETGEAR ProSafe VPN Client and a network gateway involves the following two steps: •...

  • Page 190: Step 1: Configuring The Client-To-Gateway Vpn Tunnel On The Vpn Router At The Employer's Main Office

    Log in to the VPN router at its LAN address of http://192.168.0.1 with its default user name of and password of . Click the VPN Policies link in the main menu to display admin password the VPN Policies screen. Click Add Auto Policy to proceed and enter the information. C-16 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 191 VPN Passthrough enabled) Main Mode Fully Qualified Domain Name fromDG834G.com (in this example) Fully Qualified Domain Name toDG834G.com (in this example) 3DES 12345678 (in this example) 3600 Figure C-13: VPN Auto Policy screen NETGEAR VPN Configuration C-17 v3.0, September 2005...

  • Page 192: Step 2: Configuring The Netgear Prosafe Vpn Client On The Remote Pc At The Telecommuter's Home Office

    The PC must have a VPN client program installed that supports IPSec (in this case study, the NETGEAR VPN ProSafe Client is used). Go to the NETGEAR website (http://www.netgear.com) and select VPN01L_VPN05L in the Product Quick Find drop-down menu for information on how to purchase the NETGEAR ProSafe VPN Client.
  • Page 193 Double-click the system tray icon to open the Security Policy Editor. Add a new connection. Run the NETGEAR ProSafe Security Policy Editor program and create a VPN Connection. From the Edit menu of the Security Policy Editor, click Add, then Connection. A New Connection listing appears in the list of policies.
  • Page 194 In the Network Security Policy list, expand the new connection by double clicking its name or clicking on the “+” symbol. My Identity and Security Policy subheadings appear below the connection name. Click on the Security Policy subheading to show the Security Policy menu. C-20 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 195 — Either a fixed IP address or a “fixed virtual” IP address of the VPN client PC. In the Network Security Policy list on the left side of the Security Policy Editor window, click My Identity. NETGEAR VPN Configuration C-21 v3.0, September 2005...
  • Page 196 Click the Pre-Shared Key button. In the Pre-Shared Key dialog box, click the Enter Key button. Enter the DG834G's Pre-Shared Key and click OK. In this example, 12345678 is entered. This field is case sensitive. C-22 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 197 Security Policy heading by double clicking its name or clicking on the “+” symbol. Expand the Authentication subheading by double clicking its name or clicking on the “+” symbol. Then select Proposal 1 below Authentication. Figure C-20: Security Policy Editor authentication NETGEAR VPN Configuration C-23 v3.0, September 2005...
  • Page 198 In the SA Life menu, select Unspecified. In the Compression menu, select None. Check the Encapsulation Protocol (ESP) checkbox. In the Encrypt Alg menu, select the type of encryption. In this example, use Triple DES. C-24 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 199 Right-mouse-click on the system tray icon to open the popup Figure C-22: Connecting the PC the DG834G over the VPN tunnel To perform a ping test using our example, start from the remote PC: NETGEAR VPN Configuration C-25 v3.0, September 2005...

  • Page 200: Monitoring The Vpn Tunnel (Telecommuter Example

    Viewing the PC Client’s Connection Monitor and Log Viewer To view information on the progress and status of the VPN client connection, open the 54 Mbps Wireless ADSL Modem Router Model DG834G Log Viewer. C-26 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 201 While the connection is being established, the Connection Name field in this menu will show SA before the name of the connection. When the connection is successful, the SA will change to the yellow key symbol. NETGEAR VPN Configuration C-27 v3.0, September 2005...

  • Page 202: Viewing The Vpn Router's Vpn Status And Log Information

    VPN Status button. The VPN Status/Log screen for a connection is shown below: Figure C-26: VPN Status/Log screen To view the VPN tunnels status, click the VPN Status link on the right side of the main menu. C-28 NETGEAR VPN Configuration v3.0, September 2005...
  • Page 203 DG834G Reference Manual Current VPN Tunnels (SAs) screen NETGEAR VPN Configuration C-29 v3.0, September 2005...
  • Page 204 DG834G Reference Manual C-30 NETGEAR VPN Configuration v3.0, September 2005...

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