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NETGEAR DG834GSP Reference Manual

NETGEAR DG834GSP Reference Manual

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Reference Manual for the
ADSL Modem Wireless
Router DG834GSP
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
202-10262-01
June 2007

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  • Page 1 Reference Manual for the ADSL Modem Wireless Router DG834GSP NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA 202-10262-01 June 2007...
  • 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 European Union Statement of Compliance Hereby, NETGEAR, Inc. declares that this modem router is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. Èesky tímto prohlašuje, že tento NETGEAR, Inc. 54 Mbps ADSL Modem Wireless Router [Czech] je ve shodì...
  • Page 4 DG834GSP product package. Bestätigung des Herstellers/Importeurs Es wird hiermit bestätigt, daß das 54 Mbps ADSL Modem Wireless Router Model DG834GSP gemäß der im BMPT- AmtsblVfg 243/1991 und Vfg 46/1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betreiben einiger Geräte (z.B. Testsender) kann jedoch gewissen Beschränkungen unterliegen. Lesen Sie dazu bitte die Anmerkungen in der Betriebsanleitung.
  • Page 5 Certificate of the Manufacturer/Importer It is hereby certified that the 54 Mbps ADSL Modem Wireless Router Model DG834GSP has been suppressed in accordance with the conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some equipment (for example, test transmitters) in accordance with the regulations may, however, be subject to certain restrictions.
  • Page 6 v1.0, June 2007...

  • Page 7: Table Of Contents

    Contents Reference Manual for the ADSL Modem Wireless Router DG834GSP Chapter 1 About This Manual Audience, Scope, Conventions, and Formats ..............1-1 How to Print this Manual ....................1-2 Chapter 2 Introduction About the Modem Router ....................2-1 Key Features ........................2-2 A Powerful, True Firewall ..................2-2 802.11 Standards-based Wireless Networking ............2-3...
  • Page 8 How to Configure WEP ..................4-14 Chapter 5 Protecting Your Network Protecting Access to Your 54 Mbps ADSL Modem Wireless Router Model DG834GSP 5-1 How to Change the Built-In Password ..............5-1 Changing the Administrator Login Timeout ..............5-2 Configuring Basic Firewall Services ................5-3 Blocking Keywords, Sites, and Services ..............5-3...
  • Page 9 How to Define Services ..................5-12 Setting Times and Scheduling Firewall Services ............5-13 How to Set Your Time Zone ...................5-13 How to Schedule Firewall Services ................5-14 Chapter 6 Managing Your Network Backing Up, Restoring, or Erasing Your Settings ............6-1 How to Back Up the Configuration to a File .............6-1 How to Restore the Configuration from a File ............6-2 How to Erase the Configuration ................6-2 Upgrading the Modem Router’s Firmware ..............6-2...
  • Page 10 How to Set Up a Client-to-Gateway VPN Configuration ..........8-7 Step 1: Configuring the Client-to-Gateway VPN Tunnel on the DG834GSP ...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 ..........8-21 VPN Tunnel Control ......................8-29...
  • Page 11 Step 1: Configuring the Client-to-Gateway VPN Tunnel on the VPN Router at the Employer’s Main Office ..................B-15 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-28 Viewing the PC Client’s Connection Monitor and Log Viewer .......
  • Page 12 v1.0, June 2007...

  • Page 13: About This Manual

    This reference manual assumes that the reader has basic to intermediate computer and Internet skills. However, basic computer network, Internet, firewall, and VPN technologies tutorial information is provided in the Appendices and on the Netgear website. This guide uses the following typographical conventions: Table 1-1.

  • Page 14: How To Print This Manual

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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.
  • Page 15 Reference Manual for the ADSL Modem Wireless Router DG834GSP — Click the print icon in the upper left of the window. Tip: If your printer supports printing two pages on a single sheet of paper, you can save paper and printer ink by selecting this feature.
  • Page 16 Reference Manual for the ADSL Modem Wireless Router DG834GSP About This Manual v1.0, June 2007...

  • Page 17: Introduction

    This chapter describes the features of the NETGEAR 54 Mbps ADSL Modem Wireless Router Model DG834GSP. The ADSL Modem Wireless Router is a combination of a built-in ADSL modem, modem router, 4-port switch, and firewall which enables your entire network to safely share an Internet connection that otherwise would be used by a single computer.

  • Page 18: Key Features

    Wi-Fi Multimedia (WMM) QoS (Quality of Service) to prioritize voice and video traffic These features are discussed below. A Powerful, True Firewall Unlike simple Internet sharing NAT routers, the DG834GSP is a true firewall, using stateful packet inspection to defend against hacker attacks. Its firewall features include: •...

  • Page 19: 802.11 Standards-Based Wireless Networking

    • Wireless access can be restricted by MAC address Easy Installation and Management You can install, configure, and operate the DG834GSP within minutes after connecting it to the network. The following features simplify installation and management tasks: • Browser-based management Browser-based configuration allows you to easily configure your modem router from almost any type of personal computer, such as Windows, Macintosh, or Linux.

  • Page 20: Protocol Support

    The Ability to Enable or Disable IP Address Sharing by NAT The DG834GSP allows several networked PCs to share an Internet account using only a single IP address, which may be statically or dynamically assigned by your Internet service provider (ISP).

  • Page 21: Virtual Private Networking (Vpn)

    Auto Sensing and Auto Uplink™ LAN Ethernet Connections With its internal 4-port 10/100 switch, the DG834GSP can connect to either a 10 Mbps standard Ethernet network or a 100 Mbps Fast Ethernet network. The local LAN ports are autosensing and capable of full-duplex or half-duplex operation.

  • Page 22: Content Filtering

    Content Filtering With its content filtering feature, the DG834GSP prevents objectionable content from reaching your PCs. The modem router allows you to control access to Internet content by screening for keywords within Web addresses. You can configure the modem router to log and report attempts to access objectionable Internet sites.
  • Page 23 Reference Manual for the ADSL Modem Wireless Router DG834GSP 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.

  • Page 24: The Router's Front Panel

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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...

  • Page 25: The Router's Rear Panel

    Blink (Amber) Data is being transmitted or received at 10 Mbps. No link is detected on this port. The Router’s Rear Panel The rear panel of the 54 Mbps ADSL Modem Wireless Router Model DG834GSP (Figure 2-2) contains port connections.
  • Page 26 Reference Manual for the ADSL Modem Wireless Router DG834GSP 2-10 Introduction v1.0, June 2007...

  • Page 27: Configuring Your Internet Connection

    Connecting the Router to the Internet To connect your ADSL Modem Wireless Router to the Internet, refer to the ADSL Modem Wirelesss Router Setup Manual on the DG834GSP ADSL Modem Wireless Router Resource CD Manual Setup Note: The most reliable way to set up your modem router is by performing the setup from the CD, because it will be tailored to the configuration requirements of your ISP.

  • Page 28: Understanding Adsl Microfilters

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Your ISP should have provided you with all the information needed to connect to the Internet. If you cannot locate this information, you can ask your ISP to provide it. Internet Configuration Requirements...

  • Page 29: Computers Set To Dhcp

    For the initial connection to your modem router, your computer has to be set to automatically get its TCP/IP configuration from the modem router 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 30: Manual Setup Procedure

    ADSL configuration information from your Internet Service Provider (ISP). 1. Connect the ADSL filter. Note: If you purchased the DG834GSP in a country where an ADSL filter is not included, you must acquire one. a. You need to install an ADSL filter for every telephone that uses the same phone line as your modem router.
  • Page 31 Reference Manual for the ADSL Modem Wireless Router DG834GSP b. Two-Line Filter Example. Insert the two-line filter into the phone outlet and connect the phone to the phone line connector (A): Line Figure 3-4 Note: To use a one-line filter with a separate splitter, insert the splitter into the phone outlet, connect the one-line filter to the splitter, and connect the phone to the filter.
  • Page 32 Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. Connect the modem router to the ADSL filter. a. Using the included phone cable with RJ-11 jacks, connect the ADSL port (B) of the modem router to the ADSL port (C) of the two-line filter.
  • Page 33 Reference Manual for the ADSL Modem Wireless Router DG834GSP b. Connect the Ethernet cable (D) from a modem router LAN port to the Ethernet adapter in your computer. Line Figure 3-6 Configuring Your Internet Connection v1.0, June 2007...
  • Page 34 Reference Manual for the ADSL Modem Wireless Router DG834GSP c. Connect the power adapter to the modem router and plug it in to a power outlet. Verify the following: The power light is lit after turning on the modem router.
  • Page 35 Reference Manual for the ADSL Modem Wireless Router DG834GSP This login window opens: Figure 3-7 Enter admin for the user name and password for the password, both in lower case letters. b. After logging in, you will see the menu below.

  • Page 36: Auto-Detecting Your Internet Connection Type

    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 9, “Troubleshooting”.

  • Page 37: Wizard-Detected Pppoe Login Account Setup

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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: Figure 3-9 Enter the PPPoE login user name and password.

  • Page 38: Wizard-Detected Dynamic Ip Account Setup

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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 3-11 Click Apply to set Dynamic IP as the connection method.

  • Page 39: 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 40: Testing Your Internet Connection

    After completing the Internet connection configuration, your can test your Internet connection. Log in to the modem router, then, from the Basic Settings link in the Setup menu, click the Test button. If the NETGEAR Web site does not appear within one minute, refer to Chapter 9, “Troubleshooting”.

  • Page 41: Manually Configuring Your Internet Connection

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Manually Configuring Your Internet Connection You can manually configure your modem router using the menu below, or you can allow the Setup Wizard to determine your configuration as described in the previous section.

  • Page 42: How To Perform Manual Configuration

    Reference Manual for the ADSL Modem Wireless Router DG834GSP How to Perform Manual Configuration We recommend that you start the manual configuration from the Setup Wizard: 1. Select your country and language. Language choices are English, French, German, and Italian.
  • Page 43 IP addresses (10.1.1.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 DG834GSP uses. Classical routing should be selected only by experienced users.
  • Page 44 7. NAT automatically assigns private IP addresses (10.1.1.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 DG834GSP uses. Classical routing should be selected only by experienced users.
  • Page 45 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 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 46: Adsl Settings

    ISP. Alternatively, select “Use this MAC address” and enter it. 8. Click Apply to save your settings. 9. Click Test to test your Internet connection. If the NETGEAR Web site does not appear within one minute, refer to Chapter 9, “Troubleshooting”.
  • Page 47 Reference Manual for the ADSL Modem Wireless Router DG834GSP 1. Select the ADSL Settings link from the main menu. Figure 3-14 2. For the Multiplexing Method, select LLC-based or VC-based. 3. Type a number between 0 and 255 for the VPI. The default is 8.
  • Page 48 Reference Manual for the ADSL Modem Wireless Router DG834GSP 3-22 Configuring Your Internet Connection v1.0, June 2007...

  • Page 49: Wireless Configuration

    Wireless Configuration This chapter describes how to configure the wireless features of your 54 Mbps ADSL Modem Wireless Router Model DG834GSP. 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 modem router in order to maximize the network speed.

  • Page 50: Implement Appropriate Wireless Security

    Restrict Access Based on MAC Address. You can allow only trusted PCs to connect so that unknown PCs cannot wirelessly connect to the DG834GSP. Restricting access by MAC address adds an obstacle against unwanted access to your network, but the data broadcast over the wireless link is fully exposed.
  • Page 51 Reference Manual for the ADSL Modem Wireless Router DG834GSP • WEP. Wired Equivalent Privacy (WEP) data encryption provides data security. WEP Shared Key authentication and WEP data encryption will block all but the most determined eavesdropper. This data encryption mode has been superseded by WPA-PSK and WPA2-PSK.

  • Page 52: Understanding Wireless Settings

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Understanding Wireless Settings To configure the Wireless interface of your modem router, click the Wireless Settings link in the Setup section of the main menu. The Wireless Settings menu will appear, similar to that shown...
  • Page 53 Reference Manual for the ADSL Modem Wireless Router DG834GSP The following parameters are in the Wireless Settings menu: • Wireless Network. — Name (SSID). The Service Set ID, also known as the wireless network name. Enter a value of up to 32 alphanumeric characters. The same Name (SSID) must be assigned to all wireless devices in your network.
  • Page 54 • If Shared or Open Network Authentication is enabled, you can choose 64- or 128-bit WEP data encryption. Note: With Open Network Authentication and 64- or 128-bit WEP Data Encryption, the DG834GSP does perform 64- or 128-bit data encryption but does not perform any authentication. Security Encryption (WEP) Key These key values must be identical on all wireless devices in your network (key 1 must be the same for all, key 2 must be the same for all, and so on).

  • Page 55: How To Set Up And Test Basic Wireless Connectivity

    1. Log in to the DG834GSP modem router at its default LAN address of http://10.1.1.1 with its default user name of admin and default password of password, or using whatever LAN address and password you have set up.

  • Page 56: How To Restrict Wireless Access To Your Network

    This will be sufficient to deter all but the most determined hackers. The 54 Mbps ADSL Modem Wireless Router Model DG834GSP provides several ways to further restrict wireless access to your network: •...
  • Page 57 To restrict access based on MAC addresses, follow these steps: 1. Log in to the DG834GSP modem router at its default LAN address of http://10.1.1.1 with its default user name of admin and default password of password, or using whatever LAN address and password you have set up.
  • Page 58 Reference Manual for the ADSL Modem Wireless Router DG834GSP 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 59: How To Configure Wpa-Psk/Wpa2-Psk Security

    6. Make sure the Turn Access Control On check box is selected, then click Apply. Now, only devices on this list will be allowed to wirelessly connect to the DG834GSP. This prevents unauthorized access to your network.

  • Page 60: How To Configure Wpa-802.1X/Wpa2-802.1X Security

    LAN address and password you have set up. 2. Click Wireless Settings in the Setup section of the main menu of the DG834GSP. 3. Choose the WPA-802.1x, WA2-802.1x, or WPA-802.1x+WPA2-802.1x radio button. The WPA-802.1x+WPA2-802.1x option is the most flexible, as it allows wireless clients to use...

  • Page 61: Choosing Wep Authentication And Security Encryption Methods

    Internet sites use another level of highly secure encryption called SSL. You can tell if a web site is using SSL because the web address begins with HTTPS rather than HTTP. Authentication Type Selection The DG834GSP lets you select the following wireless authentication schemes. • Automatic •...

  • Page 62: How To Configure Wep

    Reference Manual for the ADSL Modem Wireless Router DG834GSP • Shared key Note: The authentication scheme is separate from the data encryption. You can choose an authentication scheme which requires a shared key but still leave the data transmissions unencrypted. If you require strong security, use both the Shared Key and WEP encryption settings.
  • Page 63 Reference Manual for the ADSL Modem Wireless Router DG834GSP 1. Log in to the DG834GSP modem router at its default LAN address of http://10.1.1.1 with its default user name of admin and default password of password, or using whatever LAN address and password you have set up.
  • Page 64 Reference Manual for the ADSL Modem Wireless Router DG834GSP 9. Click Apply to save your settings. Note: When configuring the modem router from a wireless computer, if you configure WEP settings, you will lose your wireless connection when you click Apply. You...

  • Page 65: 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 66: Changing The Administrator Login Timeout

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. From the Main Menu of the browser interface, under the Maintenance heading, select Set Password to bring up the menu shown. Figure 5-1 3. To change the password, first enter the old password, and then enter the new password twice.

  • Page 67: Configuring Basic Firewall Services

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Configuring Basic Firewall Services Basic firewall services include access blocking and scheduling of firewall security. These topics are presented below. Blocking Keywords, Sites, and Services The modem router provides a variety of options for blocking Internet-based content and communications services.
  • Page 68 Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. Select the Block Sites link of the Content Filtering menu. Figure 5-2 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 69: Firewall Rules

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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.
  • Page 70 Reference Manual for the ADSL Modem Wireless Router DG834GSP To access the rules configuration of the DG834GSP, click the Firewall Rules link on the main menu, then click Add for either an Outbound or Inbound Service. Figure 5-3 • To edit an existing rule, select its button on the left side of the table and click Edit.

  • Page 71: Inbound Rules (Port Forwarding)

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Inbound Rules (Port Forwarding) Because the DG834GSP uses Network Address Translation (NAT), your network presents only one IP address to the Internet, and outside users cannot directly address any of your local computers.
  • Page 72 Reference Manual for the ADSL Modem Wireless Router DG834GSP 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 Services menu to add any additional services or applications that do not already appear.

  • Page 73: Outbound Rules (Service Blocking)

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Outbound Rules (Service Blocking) The DG834GSP 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 74 Reference Manual for the ADSL Modem Wireless Router DG834GSP 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 75: Order Of Precedence For Rules

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Order of Precedence for Rules As you define new rules, they are added to the tables in the Rules menu, as shown: Figure 5-6 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 76: How To Define Services

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Although the DG834GSP 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.

  • Page 77: Setting Times And Scheduling Firewall Services

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Setting Times and Scheduling Firewall Services The ADSL Modem Wireless Router uses the Network Time Protocol (NTP) to obtain the current time and date from one of several Network Time Servers on the Internet.

  • Page 78: How To Schedule Firewall Services

    Enabling Daylight Savings Time will cause one hour to be added to the standard time. 4. The 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 79: Managing Your Network

    Managing Your Network This chapter describes how to perform network management tasks with your 54 Mbps ADSL Modem Wireless Router Model DG834GSP. Backing Up, Restoring, or Erasing Your Settings The configuration settings of the ADSL Modem Wireless Router are stored in a configuration file in the modem router.

  • Page 80: 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 modem router.

  • Page 81: How To Upgrade The Modem Router Firmware

    Reference Manual for the ADSL Modem Wireless Router DG834GSP How to Upgrade the Modem Router Firmware 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.

  • Page 82: Network Management Information

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Network Management Information The DG834GSP provides a variety of status and usage information which is discussed below. Viewing Modem Router Status and Usage Statistics From the Main Menu, under Maintenance, click Router Status to view this screen.
  • Page 83 Reference Manual for the ADSL Modem Wireless Router DG834GSP The Modem Router Status menu provides status and usage information. This screen shows the following parameters: Table 6-1. Menu 3.2 - Modem Router Status Fields Field Description Account Name The Host Name assigned to the modem router in the Basic Settings menu.
  • Page 84 Indicates if the Access Point feature is disabled or not. If not enabled, the Wireless LED on the front panel will be off. Broadcast Name Indicates if the DG834GSP is configured to broadcast its SSID. Click the Show Statistics button to display modem router usage statistics, as shown below: Figure 6-4 Managing Your Network v1.0, June 2007...
  • Page 85 Reference Manual for the ADSL Modem Wireless Router DG834GSP This screen shows the following statistics: Table 6-2. Router Statistics Fields Field Description WAN or LAN Port The statistics for the WAN (Internet) and LAN ports. Status The link status of the port.
  • Page 86 Reference Manual for the ADSL Modem Wireless Router DG834GSP Click the Connection Status button to display modem router connection status, shown below: Figure 6-5 This screen shows the following statistics: Table 6-3. Connection Status Fields for PPPoA Field Description Connection Time The time elapsed since the last connection to the Internet via the ADSL port.

  • Page 87: Viewing Attached Devices

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Viewing Attached Devices The Attached Devices menu contains a table of all IP devices that the modem router has discovered on the local network. From the Main Menu of the browser interface, under the...
  • Page 88 Reference Manual for the ADSL Modem Wireless Router DG834GSP An example of the logs file is shown below. Figure 6-7 6-10 Managing Your Network v1.0, June 2007...
  • Page 89 Reference Manual for the ADSL Modem Wireless Router DG834GSP Log entries are described in Table 6-4 below: Table 6-4. Security Log entry descriptions Field Description Date and Time The date and time the log entry was recorded. Description or The type of event and what action was taken if any.

  • Page 90: Examples Of Log Messages

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Selecting What Information to Log Besides the standard information listed above, you can choose to log additional information. Those optional selections are as follows: • Attempted access to blocked site •...

  • Page 91: Enabling Security Event E-Mail Notification

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Dropped Packets Wed, 2002-05-22 07:15:15 - TCP packet dropped - Source:64.12.47.28,4787,WAN - Destination:134.177.0.11,21,LAN - [Inbound Default rule match] Sun, 2002-05-22 12:50:33 - UDP packet dropped - Source:64.12.47.28,10714,WAN - Destination:134.177.0.11,6970,LAN - [Inbound Default rule match] Sun, 2002-05-22 21:02:53 - ICMP packet dropped - Source:64.12.47.28,0,WAN -...
  • Page 92 Reference Manual for the ADSL Modem Wireless Router DG834GSP • Turn e-mail notification on. Select this check box if you want to receive e-mail logs and alerts from the modem router. • Send alerts and logs via email. — Send To This E-mail Address Enter the e-mail address where you want to send the alerts and logs.

  • Page 93: Running Diagnostic Utilities And Rebooting The Modem Router

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Running Diagnostic Utilities and Rebooting the Modem Router The ADSL Modem Wireless Router has a diagnostics feature. You can use the diagnostics menu to perform the following functions from the modem router: •...

  • Page 94: 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 ADSL Modem Wireless Router Model DG834GSP. Tip: Be sure to change the modem router's default password to a very secure password.
  • Page 95 Reference Manual for the ADSL Modem Wireless Router DG834GSP 4. Specify what external addresses will be allowed to access the modem router’s remote management. For security, restrict access to as few external IP addresses as practical: • To allow access from any IP address on the Internet, select Everyone.
  • Page 96 Reference Manual for the ADSL Modem Wireless Router DG834GSP 6-18 Managing Your Network v1.0, June 2007...

  • Page 97: Advanced Configuration

    This chapter describes how to configure the advanced features of your 54 Mbps ADSL Modem Wireless Router Model DG834GSP. Configuring Advanced Security The 54 Mbps ADSL Modem Wireless Router Model DG834GSP provides a variety of advanced features, such as: •...

  • Page 98: Setting Up A Default Dmz Server

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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 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

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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.

  • Page 100: Enable Pppoe-Relay

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Enable PPPoE-Relay When enabled, this feature allows a PPPoE client on a local PC to a remote PPPoE server with the gateway acting as a relay agent. Disable Port Scan and DOS Protection The Firewall protects your LAN against Port Scans and Denial of Service (DOS) attacks.
  • Page 101 Reference Manual for the ADSL Modem Wireless Router DG834GSP 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.

  • Page 102: Dhcp

    Reference Manual for the ADSL Modem Wireless Router DG834GSP • IP Subnet Mask This is the LAN Subnet Mask of the modem router. Combined with the IP address, the IP Subnet Mask allows a device to know which other addresses are local to it, and which must be reached through a gateway or modem router.
  • Page 103 Reference Manual for the ADSL Modem Wireless Router DG834GSP For most applications, the default DHCP and TCP/IP settings of the router are satisfactory. See “Internet Networking and TCP/IP Addressing” in Appendix C for an explanation of DHCP and information about how to assign IP addresses for your network.

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

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. In the IP Address box, type the IP address to assign to the computer or server. Choose an IP address from the router’s LAN subnet, such as 10.1.1.x. 3. Type the MAC Address of the computer or server.

  • Page 105: Configuring Dynamic Dns

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. From the Main Menu, under Advanced, click the LAN IP Setup link to view the menu, shown: Figure 7-3 3. Enter the TCP/IP, DHCP, or Reserved IP parameters. 4. Click Apply to save your changes.

  • Page 106: How To Configure Dynamic Dns

    Reference Manual for the ADSL Modem Wireless Router DG834GSP The router contains a client that can connect to a dynamic DNS service provider. To use this feature, you must select a service provider and obtain an account with them. After you have...

  • Page 107: Using Static Routes

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 6. Type the Host Name that your dynamic DNS service provider gave you. The dynamic DNS service provider may call this the domain name. If your URL is myName.dyndns.org, then your Host Name is “myName.”...

  • Page 108: How To Configure Static Routes

    Reference Manual for the ADSL Modem Wireless Router DG834GSP In this example: • The Destination IP Address and IP Subnet Mask fields specify that this static route applies to all 134.177.x.x addresses. • The Modem Router IP Address fields specifies that all traffic for these addresses should be forwarded to the ISDN router at 10.1.1.100.

  • Page 109: Universal Plug And Play (Upnp)

    Reference Manual for the ADSL Modem Wireless Router DG834GSP c. Select Private if you want to limit access to the LAN only. The static route will not be reported in RIP. d. Select Active to make this route effective. e. Type the Destination IP Address of the final destination.
  • Page 110 Reference Manual for the ADSL Modem Wireless Router DG834GSP 1. Click UPnP on the main menu to invoke the UPnP menu: Figure 7-7 2. Fill out the UPnP screen: • Turn UPnP On: UPnP can be enabled or disabled for automatic device configuration. The default setting for UPnP is enabled.
  • Page 111 Reference Manual for the ADSL Modem Wireless Router DG834GSP c. Click Refresh to update the portmap table and to show the active ports that are currently opened by UPnP devices. Advanced Configuration 7-15 v1.0, June 2007...
  • Page 112 Reference Manual for the ADSL Modem Wireless Router DG834GSP 7-16 Advanced Configuration v1.0, June 2007...

  • Page 113: Virtual Private Networking

    “How to Set Up a Client-to-Gateway VPN Configuration” on page 8-7 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 8-21 provides the steps needed to configure a VPN tunnel between two network gateways using the VPN Wizard.

  • Page 114: Overview Of Vpn Configuration

    Two common scenarios for configuring VPN tunnels are between a remote personal computer and a network gateway and between two or more network gateways. The DG834GSP supports both of these types of VPN configurations. The ADSL Modem Wireless Router supports up to five concurrent tunnels.

  • Page 115: Gateway-To-Gateway Vpn Tunnels

    Internet Figure 8-2 A VPN between two or more NETGEAR VPN-enabled modem 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 DG834GSPs on each end of the tunnel to form the VPN tunnel end points.

  • Page 116: Planning A Vpn

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Planning a VPN When you set up a VPN, it is helpful to plan the network configuration and record the configuration parameters on a worksheet: Table 8-1. VPN Tunnel Configuration Worksheet...
  • Page 117 Reference Manual for the ADSL Modem Wireless Router DG834GSP • Will either endpoint use Fully Qualified Domain Names (FQDNs)? FQDNs supplied by Dynamic DNS providers (see “The Use of a Fully Qualified Domain Name (FQDN)” on page B-8) can allow a VPN endpoint with a dynamic IP address to initiate or respond to a tunnel request.

  • Page 118: Vpn Tunnel Configuration

    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 DG834GSP and the corresponding VPN endpoint gateway or client workstation. Note: NETGEAR publishes additional interoperability scenarios with various gateway and client software products.

  • Page 119: How To Set Up A Client-To-Gateway Vpn Configuration

    (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: • “Step 1: Configuring the Client-to-Gateway VPN Tunnel on the DG834GSP” on page 8-7 uses the VPN Wizard to configure the VPN tunnel between the remote PC and network gateway.
  • Page 120 Reference Manual for the ADSL Modem Wireless Router DG834GSP Table 8-3. 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 Encryption Protocol -- DES or 3DES:...
  • Page 121 Reference Manual for the ADSL Modem Wireless Router DG834GSP 1. Log in to the DG834GSP at its LAN address of http://10.1.1.1 with its default user name of and password of . Click the VPN Wizard link in the main menu to display...
  • Page 122 Reference Manual for the ADSL Modem Wireless Router DG834GSP The Summary screen below displays. Figure 8-6 8-10 Virtual Private Networking v1.0, June 2007...
  • Page 123 Reference Manual for the ADSL Modem Wireless Router DG834GSP 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. 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 124: 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 125 In this example, type 10.1.3.1 in the Subnet field as the network address of the DG834GSP. Enter 255.255.255.0 in the Mask field as the LAN Subnet Mask of the DG834GSP. g. Select All in the Protocol menu to allow all traffic through the VPN tunnel.
  • Page 126 Select the Connect using Secure Gateway Tunnel check box. Select IP Address in the ID Type menu below the check box. Enter the public WAN IP Address of the DG834GSP in the field directly below the ID Type menu. In this example, would be used.
  • Page 127 Reference Manual for the ADSL Modem Wireless Router DG834GSP a. In the Network Security Policy list on the left side of the Security Policy Editor window, click on My Identity. Figure 8-11 b. Choose None in the Select Certificate menu.
  • Page 128 Reference Manual for the ADSL Modem Wireless Router DG834GSP e. Click the Pre-Shared Key button. In the Pre-Shared Key dialog box, click the Enter Key button. Enter the DG834GSP's Pre-Shared Key and click OK. In this example, 12345678 is entered. This field is case sensitive.
  • Page 129 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 DG834GSP configuration. a. Expand the Key Exchange subheading by double clicking its name or clicking on the “+”...
  • Page 130 Once the connection is established, you can open the browser of the PC and enter the LAN IP address of the remote DG834GSP. After a short wait, you should see the login screen of the Modem Router (unless another PC already has the DG834GSP management interface open).
  • Page 131 Reference Manual for the ADSL Modem Wireless Router DG834GSP To launch this function, click on the Windows Start button, then select Programs, then NETGEAR ProSafe VPN Client, then Log Viewer. The Log Viewer screen for a successful connection is shown below:...
  • Page 132 Reference Manual for the ADSL Modem Wireless Router DG834GSP While the connection is being established, the Connection Name field in this menu will say “SA” before the name of the connection. When the connection is successful, the “SA” will change to the yellow key symbol shown in the illustration above.

  • Page 133: How To Set Up A Gateway-To-Gateway Vpn Configuration

    DG834G VPN Firewall Firewall 10.1.1.1 192.168.0.1 192.168.3.1 192.168.0.1 Figure 8-17 Set the LAN IPs on each DG834GSP to different subnets and configure each properly for the Internet. The examples below assume the following settings: Virtual Private Networking 8-21 v1.0, June 2007...
  • Page 134 NETGEAR default address range of 10.1.1.x. Follow this procedure to configure a gateway-to-gateway VPN tunnel using the VPN Wizard. 1. Log in to the DG834GSP on LAN A at its default LAN address of http://10.1.1.1 with its default user name of and password of .
  • Page 135 Reference Manual for the ADSL Modem Wireless Router DG834GSP Figure 8-18 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., MyOfficeVPN) Enter the pre-shared key: (e.g., 12345678)
  • Page 136 Reference Manual for the ADSL Modem Wireless Router DG834GSP 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., 208.32.25.25) Figure 8-20 4.
  • Page 137 Reference Manual for the ADSL Modem Wireless Router DG834GSP The Summary screen below displays. Figure 8-22 Virtual Private Networking 8-25 v1.0, June 2007...
  • Page 138 Reference Manual for the ADSL Modem Wireless Router DG834GSP To view the VPNC recommended authentication and encryption settings used by the VPN Wizard, click the “here” link (see Figure 8-22). Click Back to return to the Summary screen. Figure 8-23 5.
  • Page 139 “Using Auto Policy to Configure VPN Tunnels” on page 8-38 enable the IKE keep-alive capability on an existing VPN tunnel. 6. Repeat for the DG834GSP on LAN B and pay special attention to use the following network settings as appropriate.
  • Page 140 Reference Manual for the ADSL Modem Wireless Router DG834GSP a. Open the DG834GSP management interface and click on VPN Status to get the VPN Status/Log screen (Figure 8-25). Figure 8-25 b. Click on VPN Status (Figure 8-27) to get the Current VPN Tunnels (SAs) screen (Figure 8-26).

  • Page 141: Vpn Tunnel Control

    To use the VPN Status screen to activate a VPN tunnel, perform the following steps: 1. Log in to the Modem Router. 2. Open the DG834GSP management interface and click on VPN Status to get the VPN Status/ Log screen (Figure 8-27).
  • Page 142 Client-to-Gateway Configuration—to check the VPN Connection, you can initiate a request from the remote PC to the DG834GSP’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.
  • Page 143 Once the connection is established, you can open the browser of the PC and enter the LAN IP address of the remote DG834GSP. After a short wait, you should see the login screen of the Modem Router (unless another PC already has the DG834GSP management interface open).
  • Page 144 Reference Manual for the ADSL Modem Wireless Router DG834GSP b. ping 10.1.1.1. Note: The pings may fail the first time. If so, then try the pings a second time. Start Using a VPN Tunnel to Activate It To use a VPN tunnel, use a Web browser to go to a URL whose IP address or range is covered by the policy for that VPN tunnel.

  • Page 145: Verifying The Status Of A Vpn Tunnel

    To use the VPN Status page to determine the status of a VPN tunnel, perform the following steps: 1. Log in to the Modem Router. 2. Open the DG834GSP management interface and click on VPN Status to get the VPN Status/ Log screen (Figure 8-31).
  • Page 146 Reference Manual for the ADSL Modem Wireless Router DG834GSP 3. Click on VPN Status (Figure 8-27) to get the Current VPN Tunnels (SAs) screen. Figure 8-32 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.

  • Page 147: Deactivating A Vpn Tunnel

    To use the VPN Policies page to deactivate a VPN tunnel, perform the following steps: 1. Log in to the Modem Router. 2. Open the DG834GSP management interface and click on VPN Policies to get the VPN Policies screen (Figure 8-33).
  • Page 148 Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. Open the DG834GSP management interface and click on VPN Status to get the VPN Status/ Log screen (Figure 8-34). Figure 8-34 3. Click VPN Status (Figure 8-34) to get the Current VPN Tunnels (SAs) screen (Figure 8-35).

  • Page 149: Deleting A Vpn Tunnel

    Deleting a VPN Tunnel To delete a VPN tunnel: 1. Log in to the Modem Router. 2. Open the DG834GSP management interface and click VPN Policies to display the VPN Policies screen (Figure 8-36). Select the radio button for the VPN tunnel to be deleted and click the Delete button.

  • Page 150: How To Set Up Vpn Tunnels In Special Circumstances

    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 DG834GSP and the corresponding VPN endpoint gateway or client workstation.
  • Page 151 Reference Manual for the ADSL Modem Wireless Router DG834GSP Figure 8-37 Virtual Private Networking 8-39 v1.0, June 2007...
  • Page 152 Reference Manual for the ADSL Modem Wireless Router DG834GSP The DG834GSP 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 153 Reference Manual for the ADSL Modem Wireless Router DG834GSP — • Single PC - no Subnet select this option if there is no LAN (only a single PC) at the remote endpoint. If this option is selected, no additional data is required. The typical application is a PC running the VPN client at the remote end.
  • Page 154 Reference Manual for the ADSL Modem Wireless Router DG834GSP Remote Identity Type—select the desired option to match the "Local Identity Type" setting on the remote VPN endpoint. — • IP Address the Internet IP address of the remote VPN endpoint.
  • Page 155 10.1.3.1 192.168.3.1 10.1.1.1 192.168.0.1 Figure 8-38 1. Set the LAN IPs on each DG834GSP to different subnets and configure each properly for the Internet. The following settings are assumed for this example: Table 8-5. VPN Tunnel Configuration Worksheet Connection Name:...
  • Page 156 Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. Open the DG834GSP on LAN A management interface and click on VPN Policies. Figure 8-39 3. Click Add Auto Policy. 4. Enter policy settings (see Figure 8-40). • General — Policy Name = GtoG —...
  • Page 157 Reference Manual for the ADSL Modem Wireless Router DG834GSP — Authentication Algorithm = MD5 — Pre-shared Key = 12345678 Figure 8-40 Virtual Private Networking 8-45 v1.0, June 2007...
  • Page 158 Reference Manual for the ADSL Modem Wireless Router DG834GSP 5. Click Apply. The Get VPN Policies web page is displayed. Figure 8-41 6. Repeat for the DG834GSP on LAN B and pay special attention to use the following network settings as appropriate. •...
  • Page 159 Reference Manual for the ADSL Modem Wireless Router DG834GSP a. Open the DG834GSP management interface and click on VPN Status to display the VPN Status/Log screen (Figure 8-42). Figure 8-42 b. Click VPN Status (Figure 8-42) to display the Current VPN Tunnels (SAs) screen (Figure 8-43).

  • Page 160: Using Manual Policy To Configure Vpn Tunnels

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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 161 Reference Manual for the ADSL Modem Wireless Router DG834GSP General. The DG834GSP VPN tunnel network connection fields are defined as follows: • 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.
  • Page 162 Reference Manual for the ADSL Modem Wireless Router DG834GSP • Any—any outgoing traffic from the “Local IP” computers will trigger an attempted VPN connection to the remote VPN endpoint. Please be sure you want this option before selecting The remote VPN endpoint must have these IP addresses entered as its "Local" addresses.

  • Page 163: Troubleshooting

    This chapter gives information about troubleshooting your 54 Mbps ADSL Modem Wireless Router Model DG834GSP. 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 164: 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 165: Troubleshooting The Web Configuration Interface

    Reference Manual for the ADSL Modem Wireless Router DG834GSP • Make sure that the Ethernet cable connections are secure at the router and at the hub or workstation. • Make sure that power is turned on to the connected hub or workstation.

  • Page 166: Troubleshooting The Isp Connection

    Reference Manual for the ADSL Modem Wireless Router DG834GSP If the router does not save changes you have made in the Web Configuration Interface, check the following: • When entering configuration settings, be sure to click the Apply button before moving to another menu or tab, or your changes are lost.

  • Page 167: 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 modem router’s configuration at http://10.1.1.1. 3. Under the Maintenance heading check that an IP address is shown for the WAN Port.

  • Page 168: Troubleshooting Pppoe Or Pppoa

    Reference Manual for the ADSL Modem Wireless Router DG834GSP • If you have selected a login program, you may have incorrectly set the Service Name, User Name and Password. See “Troubleshooting PPPoE or PPPoA”, below. • Your ISP may check for your computer's host name.

  • Page 169: Troubleshooting Internet Browsing

    Reference Manual for the ADSL Modem Wireless Router DG834GSP Troubleshooting Internet Browsing If your modem router can obtain an IP address but your computer is unable to load any Web pages from the Internet: • Your computer may not recognize any DNS server addresses.

  • Page 170: Testing The Path From Your Computer To A Remote Device

    Reference Manual for the ADSL Modem Wireless Router DG834GSP If the path is working, you see this message: Reply from < IP address >: bytes=32 time=NN ms TTL=xxx If the path is not working, you see this message: Request timed out If the path is not functioning correctly, you could have one of the following problems: •...

  • Page 171: Restoring The Default Configuration And Password

    Reference Manual for the ADSL Modem Wireless Router DG834GSP — If your ISP assigned a host name to your PC, enter that host name as the Account Name in the Basic Settings menu. — Your ISP could be rejecting the Ethernet MAC addresses of all but one of your PCs. Many...
  • Page 172 Reference Manual for the ADSL Modem Wireless Router DG834GSP • Date shown is January 1, 2000 Cause: The router has not yet successfully reached a Network Time Server. Check that your Internet access settings are configured correctly. If you have just completed configuring the router, wait at least five minutes and check the date and time again.

  • Page 173: Technical Specifications

    Appendix A Technical Specifications This appendix provides technical specifications for the 54 Mbps ADSL Modem Wireless Router Model DG834GSP. Network Protocol and Standards Compatibility Data and Routing Protocols: TCP/IP, RIP-1, RIP-2, DHCP, PPPoE, PPPoA, or PPTP, RFC 1483 Bridged or Routed Ethernet, and RFC 1577 Classical IP over ATM...
  • Page 174 Reference Manual for the ADSL Modem Wireless Router DG834GSP Technical Specifications v1.0, June 2007...

  • Page 175: Netgear Vpn Configuration

    NETGEAR VPN Configuration DG834GSP to FVL328 This appendix is a case study on how to configure a secure IPSec VPN tunnel from a NETGEAR DG834GSP 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 Note: Product updates are available on the NETGEAR, Inc. web site at http://kbserver.netgear.com/DG834GSP.asp. Step-By-Step Configuration 1. Configure the DG834GSP as in the Gateway-to-Gateway procedures using the VPN Wizard (see “How to Set Up a Gateway-to-Gateway VPN Configuration” on page 8-21), being certain to use appropriate network addresses for the environment.
  • Page 177 Reference Manual for the ADSL Modem Wireless Router DG834GSP 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 B-2 NETGEAR VPN Configuration v1.0, June 2007...
  • Page 178 Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. 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 8-21), being certain to use appropriate network addresses for the environment.
  • Page 179 Reference Manual for the ADSL Modem Wireless Router DG834GSP toDG834 toDG834 22.23.24.25 14.15.16.17 Click IKE Policies under 22.23.24.25 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 B-3 NETGEAR VPN Configuration v1.0, June 2007...

  • Page 180: Configuration Profile

    DG834GSP with FQDN to FVL328 This appendix is a case study on how to configure a VPN tunnel from a NETGEAR DG834GSP to a FVL328 using a Fully Qualified Domain Name (FQDN) to resolve the public address of one or both routers.
  • Page 181 Gateway A Gateway B WAN IP WAN IP LAN IP LAN IP 10.5.6.1 172.23.9.1 dg834g.dyndns.org fvl328.dyndns.org (FQDN) (FQDN) DG834G FVL328 Figure B-5 Note: Product updates are available on the NETGEAR, Inc. web site at http://kbserver.netgear.com/DG834GSP.asp. NETGEAR VPN Configuration v1.0, June 2007...

  • Page 182: Step-By-Step Configuration

    Step-By-Step Configuration 1. Log in to the DG834GSP labeled Gateway A as in the illustration. Out of the box, the DG834GSP is set for its default LAN address of http://10.1.1.1 with its default user name of admin...
  • Page 183 Reference Manual for the ADSL Modem Wireless Router DG834GSP 3. On the DG834GSP, configure the Dynamic DNS settings. a. Browse to the Dynamic DNS Setup Screen (see Figure B-6) in the Advanced menu. Figure B-6 b. Configure this screen with appropriate account and hostname settings and then click Apply.
  • Page 184 Reference Manual for the ADSL Modem Wireless Router DG834GSP 4. On the FVL328, configure the Dynamic DNS settings. Assume a properly configured DynDNS account. a. Browse to the Dynamic DNS Setup Screen (see Figure B-8) in the Advanced menu. Figure B-8 b.
  • Page 185 Reference Manual for the ADSL Modem Wireless Router DG834GSP Figure B-9 c. Click Show Status. The resulting screen should show Update OK: good (see Figure B-10). Figure B-10 NETGEAR VPN Configuration B-11 v1.0, June 2007...
  • Page 186 IP Address = 10.5.6.1 • Subnet Mask = 255.255.255.0 7. Test the VPN tunnel by pinging the remote network from a PC attached to the DG834GSP. a. Open the command prompt (Start -> Run -> cmd) b. ping 172.23.9.1 B-12 NETGEAR VPN Configuration v1.0, June 2007...
  • Page 187 Reference Manual for the ADSL Modem Wireless Router DG834GSP Figure B-11 Note: The pings may fail the first time. If this happens, try the pings a second time. NETGEAR VPN Configuration B-13 v1.0, June 2007...

  • Page 188: Configuration Summary (Telecommuter Example

    Figure B-12 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: • Step 1: Configuring the Client-to-Gateway VPN Tunnel on the VPN Router at the Employer’s Main Office.

  • Page 189: Step 1: Configuring The Client-To-Gateway Vpn Tunnel On The Vpn Router At The Employer's Main Office

    Reference Manual for the ADSL Modem Wireless Router DG834GSP • Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC at the Telecommuter’s Home Office configures the NETGEAR ProSafe VPN Client endpoint. Step 1: Configuring the Client-to-Gateway VPN Tunnel on the VPN Router at the Employer’s Main Office...
  • Page 190 Reference Manual for the ADSL Modem Wireless Router DG834GSP fromDG834GSP (in the example) Dynamic IP address IKE Keep Alive is optional; must match Remote LAN IP Address when enabled (remote PC must respond to pings) Subnet address 192.168.0.1 (in this example) 255.255.255.0...
  • Page 191 Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. Click Apply when done to get the VPN Policies screen. Figure B-14 To view or modify the tunnel settings, select the radio button next to the tunnel entry and click Edit.

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

    This procedure describes how to configure the 54 Mbps ADSL Modem Wireless Router Model DG834GSP. We will assume the PC running the client has a dynamically assigned IP address. The PC must have a VPN client program installed that supports IPSec (in this case study, the NETGEAR VPN ProSafe Client is used).
  • Page 193 From the Edit menu of the Security Policy Editor, click Add, then Connection. 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 DG834GSP on Gateway A.
  • Page 194 In this example, type 10.1.1.1 in the Subnet field as the network address of the DG834GSP. Enter 255.255.255.0 in the Mask field as the LAN Subnet Mask of the DG834GSP. g. Select All in the Protocol menu to allow all traffic through the VPN tunnel.
  • Page 195 In this step, you will provide information about the remote VPN client PC. You will need to provide the Pre-Shared Key that you configured in the DG834GSP and either a fixed IP address or a “fixed virtual” IP address of the VPN client PC.
  • Page 196 Reference Manual for the ADSL Modem Wireless Router DG834GSP a. In the Network Security Policy list on the left side of the Security Policy Editor window, click My Identity. Figure B-18 b. Choose None in the Select Certificate menu. c. Select Domain Name in the ID Type menu and enter toDG834G.com (in this example) in the box below it.
  • Page 197 Reference Manual for the ADSL Modem Wireless Router DG834GSP e. Click the Pre-Shared Key button. Figure B-19 In the Pre-Shared Key dialog box, click the Enter Key button. Enter the DG834GSP's Pre-Shared Key and click OK. In this example, 12345678 is entered. This field is case sensitive.
  • Page 198 Reference Manual for the ADSL Modem Wireless Router DG834GSP Figure B-20 c. In the Authentication Method menu, select Pre-Shared key. d. In the Encrypt Alg menu, select the type of encryption. In this example, use Triple DES. e. In the Hash Alg menu, select SHA-1.
  • Page 199 Reference Manual for the ADSL Modem Wireless Router DG834GSP a. Expand the Key Exchange subheading by double clicking its name or clicking on the “+” symbol. Then select Proposal 1 below Key Exchange. Figure B-21 b. In the SA Life menu, select Unspecified.
  • Page 200 Select Connect to open the My Connections list. c. Choose toDG834G. The 54 Mbps ADSL Modem Wireless Router Model DG834GSP will report the results of the attempt to connect. Once the connection is established, you can access resources of the network connected to the VPN router.
  • Page 201 Reference Manual for the ADSL Modem Wireless Router DG834GSP c. Type ping -t 10.1.1.1, and then click OK. Figure B-23 This will cause a continuous ping to be sent to the VPN router. After between several seconds and two minutes, the ping response should change from timed out to reply.

  • Page 202: Monitoring The Vpn Tunnel (Telecommuter Example

    1. To launch this function, click on the Windows Start button, then select Programs, then 54 Mbps ADSL Modem Wireless Router Model DG834GSP, then Log Viewer. 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 203: Viewing The Vpn Router's Vpn Status And Log Information

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 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.

  • Page 204: V1.0, June

    Reference Manual for the ADSL Modem Wireless Router DG834GSP 2. To view the VPN tunnels status, click the VPN Status link on the right side of the main menu. Figure B-27 B-30 NETGEAR VPN Configuration v1.0, June 2007...
  • Page 205 Reference Manual for the ADSL Modem Wireless Router DG834GSP NETGEAR VPN Configuration B-31 v1.0, June 2007...
  • Page 206 Reference Manual for the ADSL Modem Wireless Router DG834GSP B-32 NETGEAR VPN Configuration v1.0, June 2007...

  • Page 207: Appendix C Related Documents

    Appendix C 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 208 Reference Manual for the ADSL Modem Wireless Router DG834GSP Related Documents v1.0, June 2007...

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