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NETGEAR ADSL MODEM WIRELESS DG834G Reference Manual

Netgear network router user manual.

 
Reference Manual for the
ADSL Modem Wireless
Router DG834G
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
202-10155-03
October 2006

Summary of Contents

  • Page 1

    Reference Manual for the ADSL Modem Wireless Router DG834G NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA 202-10155-03 October 2006...

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    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 NETGEAR, Inc. [Czech] Model DG834G ustanoveními smìrnice 1999/5/ES. Dansk Undertegnede NETGEAR, Inc.

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    Nederlands Hierbij verklaart [Dutch] Model DG834G bepalingen van richtlijn 1999/5/EG. Malti Hawnhekk, NETGEAR, Inc. [Maltese] Model DG834G hemm fid-Dirrettiva 1999/5/EC. Magyar Alulírott, NETGEAR, Inc. [Hungarian] Model DG834G irányelv egyéb elõírásainak. Polski Niniejszym NETGEAR, Inc. [Polish] Model DG834G postanowieniami Dyrektywy 1999/5/EC.

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    Refer to the Support Information Card that shipped with your 54 Mbps ADSL Modem Wireless 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 6

    v1.2, October 2006...

  • Page 7: Table Of Contents

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 Easy Installation and Management ...2-3 Protocol Support ...2-4...

  • Page 8: Table Of Contents

    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 ... 3-11 Wizard-Detected Fixed IP (Static) Account Setup ...3-12 Testing Your Internet Connection ...3-13 Manually Configuring Your Internet Connection ...3-14 How to Perform Manual Configuration ...3-15 ADSL Settings ...3-19 Chapter 4...

  • Page 9: Table Of Contents

    Setting Times and Scheduling Firewall Services ...5-13 How to Set Your Time Zone ...5-13 How to Schedule Firewall Services ...5-15 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: Table Of Contents

    How to Set Up a Client-to-Gateway VPN Configuration ...8-7 Step 1: Configuring the Client-to-Gateway VPN Tunnel on the DG834G v3 ...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: Table Of Contents

    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

    v1.2, October 2006...

  • Page 13: Audience, Scope, Conventions, And Formats

    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 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 DG834G 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.

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    — 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. • Printing the Full Manual. Use the Complete PDF Manual link at the top left of any page.

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    Reference Manual for the ADSL Modem Wireless Router DG834G About This Manual v1.2, October 2006...

  • Page 17: About The Modem Router

    This chapter describes the features of the NETGEAR 54 Mbps ADSL Modem Wireless Router Model DG834G. 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, A Powerful, True Firewall

    Reference Manual for the ADSL Modem Wireless Router DG834G Key Features The ADSL Modem Wireless 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 •...

  • Page 19: Standards-based Wireless Networking, Easy Installation And Management

    802.11 Standards-based Wireless Networking The ADSL Modem Wireless 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 20: Protocol Support

    Reference Manual for the ADSL Modem Wireless Router DG834G • Visual monitoring The 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 v3 supports Transmission Control Protocol/Internet Protocol (TCP/IP) and Routing Information Protocol (RIP).

  • Page 21: Virtual Private Networking (vpn), Auto Sensing And Auto Uplinkā„¢ Lan Ethernet Connections

    • Dynamic DNS Dynamic DNS services allow remote users to find your network using a domain name when your IP address is not permanently assigned. The modem router contains a client that can connect to many popular Dynamic DNS services to register your dynamic IP address. •...

  • Page 22: Content Filtering, What's In The Box?

    • 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. v1.2, October 2006...

  • Page 23: The Router's Front Panel

    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. LED Descriptions Label Activity 1. Power 2. Test Blink -- Amber On -- Green 3. Internet Blink -- Green 4.

  • Page 24: The Router's Rear Panel

    Reference Manual for the ADSL Modem Wireless Router DG834G The Router’s Rear Panel The rear panel of the 54 Mbps ADSL Modem Wireless 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.

  • Page 25: Connecting The Router To The Internet, Manual Setup, What You Need Before You Begin

    To connect your ADSL Modem Wireless Router to the Internet, refer to the ADSL Modem Wirelesss Router Setup Manual on the DG834G ADSL Modem Wireless Router Resource CD or online as shown in the following table. Table 3-1. Language Dutch http://documentation.netgear.com/dg834g/nld/208-10039-01/ English http://documentation.netgear.com/dg834g/enu/208-10033-01/ French http://documentation.netgear.com/dg834g/fra/208-10034-01/ German http://documentation.netgear.com/dg834g/deu/208-10035-01/...

  • Page 26: Understanding Adsl Microfilters

    Reference Manual for the ADSL Modem Wireless Router DG834G • The Internet Service Provider (ISP) configuration information for your ADSL account. – ISP Login Name and Password – ISP Domain Name Server (DNS) Addresses – Fixed or Static IP Address •...

  • Page 27: 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 28: Manually Setting Up Your Modem Router

    Reference Manual for the ADSL Modem Wireless Router DG834G Manually Setting Up Your Modem Router There are four steps to setting up your modem router: 1. Install ADSL filters on the phone lines. 2. Connect the firewall to the ADSL line. 3.

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    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.

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    Reference Manual for the ADSL Modem Wireless Router DG834G 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. Line Figure 3-5 Warning: Improperly connecting a filter to your modem router will block your...

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    Reference Manual for the ADSL Modem Wireless Router DG834G 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 v1.2, October 2006...

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    Reference Manual for the ADSL Modem Wireless Router DG834G 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. The test light comes on briefly, then goes off. The wireless light is lit after turning on the firewall.

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    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 Your modem router is now configured to provide Internet access for your network. Your modem router automatically connects to the Internet when one of your computers requires access.

  • Page 34: Auto-detecting Your Internet Connection Type, Wizard-detected Pppoe Login Account Setup, Wizard-detected Pppoa Login Account Setup

    Reference Manual for the ADSL Modem Wireless Router DG834G Auto-Detecting Your Internet Connection Type The Web Configuration Manager built in to the 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, Wizard-detected Ip Over Atm Account Setup

    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...

  • Page 37: 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 38: Manually Configuring Your Internet Connection

    Reference Manual for the ADSL Modem Wireless Router DG834G 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. ISP Does Require Login ISP Does Not Require Login Figure 3-14...

  • Page 39: How To Perform Manual Configuration

    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. After you change the language, the remaining setup screens change to the language of your choice.

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    Reference Manual for the ADSL Modem Wireless Router DG834G • Select “Get Dynamically from ISP” if your ISP assigns your IP address. • Select “Use Static IP Address” if your ISP gave you a statically assigned address. 6. The DNS server is used to look up site addresses based on their names. •...

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    5. When a connection uses PPPoA, the IP address is normally assigned automatically. However, the DG834G v3 allows this address to be set manually. • Select “Get Dynamically from ISP” if your ISP assigns your IP address. • Select “Use Static IP Address” if your ISP gave you a statically assigned address. 6.

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    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 43: 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,...

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    Reference Manual for the ADSL Modem Wireless Router DG834G 3-20 Configuring Your Internet Connection v1.2, October 2006...

  • Page 45: Observe Performance, Placement, And Range Guidelines

    This chapter describes how to configure the wireless features of your 54 Mbps ADSL Modem Wireless 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 modem router in order to maximize the network speed. To ensure proper compliance and compatibility between similar products in your area, the operating channel and region must be set correctly.

  • Page 46: Implement Appropriate Wireless Security

    Reference Manual for the ADSL Modem Wireless Router DG834G 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.

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    • 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. • WPA-802.1x, WPA2-802.1x. Wi-Fi Protected Access (WPA) with user authentication implemented using IEE 802.1x and RADIUS servers.

  • Page 48: Understanding Wireless Settings

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 below: Figure 4-2 Wireless Configuration...

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    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.

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    Reference Manual for the ADSL Modem Wireless Router DG834G — Wireless Isolation. If enabled, Wireless Stations will not be able to communicate with each other or with Stations on the wired network. This feature should normally be disabled. • Wireless Station Access List. —...

  • Page 51: How To Set Up And Test Basic Wireless Connectivity

    Table 4-1. Wireless Security Options (continued) Field Description WPA Pre-Shared-Key (Wi-Fi Protected Access Pre-Shared Key) uses a pre-shared key WPA-PSK to perform the authentication and generate the initial data encryption keys. Then, it (TKIP), WPA2- dynamically varies the encryption key. WPA-PSK (TKIP) implements most of the IEEE PSK (AES) 802.11i standard and is designed to work with all wireless network interface cards, but not all wireless access points.

  • Page 52: How To Restrict Wireless Access To Your Network

    Reference Manual for the ADSL Modem Wireless Router DG834G 5. Set the Channel. The default channel is 11. This field determines which operating frequency will be used. It should not be necessary to change the wireless channel unless you notice interference problems with another nearby wireless router or access point.

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    These options are discussed below. Figure 4-3 Restricting Access to Your Network by Turning Off Wireless Connectivity You can completely turn off the wireless portion of the DG834G v3. 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.

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    Reference Manual for the ADSL Modem Wireless Router DG834G 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 55: Choosing Wep Authentication And Security Encryption Methods

    You can copy and paste the MAC addresses from the 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 modem router. The computer should then appear in the Attached Devices menu.

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    Reference Manual for the ADSL Modem Wireless Router DG834G 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 57: How To Configure Wep

    There are two methods for creating WEP encryption keys: • Passphrase. Enter a word or group of printable characters in the Passphrase box and click the Generate button. • Manual. 64-bit WEP: Enter 10 hexadecimal digits (any combination of 0-9, a-f, or A-F). 128-bit WEP: Enter 26 hexadecimal digits (any combination of 0-9, a-f, or A-F).

  • Page 58: How To Configure Wpa-psk/wpa2-psk Security

    Reference Manual for the ADSL Modem Wireless Router DG834G 7. 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 —...

  • Page 59: How To Configure Wpa-802.1x/wpa2-802.1x Security

    5. Click Apply to save your settings. How to Configure WPA-802.1x/WPA2-802.1x Security 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/WPA2-802.1x, 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.

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    Reference Manual for the ADSL Modem Wireless Router DG834G 4-16 Wireless Configuration v1.2, October 2006...

  • Page 61: How To Change The Built-in Password

    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 62: Changing The Administrator Login Timeout

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 63: Configuring Basic Firewall Services, Blocking Keywords, Sites, And Services, How To Block Keywords And Sites

    Configuring Basic Firewall Services Basic firewall services you can configure 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.

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    Reference Manual for the ADSL Modem Wireless Router DG834G 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 65: Firewall Rules

    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. Click Apply to save your settings. Firewall Rules Firewall rules are used to block or allow specific traffic passing through from one side of the router to the other.

  • Page 66: Inbound Rules (port Forwarding)

    Reference Manual for the ADSL Modem Wireless Router DG834G To access the rules configuration of the DG834G v3, 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 67

    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 68

    Reference Manual for the ADSL Modem Wireless Router DG834G • 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. –...

  • Page 69: Outbound Rules (service Blocking)

    Considerations for Inbound Rules If your external IP address is assigned dynamically by your ISP, the IP address may change periodically as the DHCP lease expires. Consider using the Dynamic DNS feature in the Advanced menu so that external users can always find your network. If the IP address of the local server computer is assigned by DHCP, it may change when the computer is rebooted.

  • Page 70

    Reference Manual for the ADSL Modem Wireless Router DG834G Outbound Rule Example: Blocking Instant Messenger If you want to block Instant Messenger usage by employees during working hours, you can create an outbound rule to block that application from any internal IP address to any external address according to the schedule that you have created in the Schedule menu.

  • Page 71: Order Of Precedence For Rules

    • WAN Users—These settings determine which packets are covered by the rule, based on their destination 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 72: Services, How To Define Services

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 73: Setting Times And Scheduling Firewall Services, How To Set Your Time Zone

    • To edit an existing Service, select its button on the left side of the table and click Edit Service. • To delete an existing Service, select its button on the left side of the table and click Delete Service. 3.

  • Page 74

    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 75: How To Schedule Firewall Services

    How to Schedule Firewall Services If you enabled services blocking in the Block Services menu or Port forwarding in the Ports menu, you can set up a schedule for when blocking occurs or when access is not restricted. 1. Log in to the 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 modem router.

  • Page 76

    Reference Manual for the ADSL Modem Wireless Router DG834G 5-16 Protecting Your Network v1.2, October 2006...

  • Page 77: Backing Up, Restoring, Or Erasing Your Settings

    This chapter describes how to perform network management tasks with your 54 Mbps ADSL Modem Wireless Router Model DG834G. 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 78: How To Restore The Configuration From A File, How To Erase The Configuration

    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 79: How To Upgrade The Modem Router Firmware

    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. 1. Download and unzip the new software file from NETGEAR.

  • Page 80: Network Management Information, Viewing Modem Router Status And Usage Statistics

    Reference Manual for the ADSL Modem Wireless Router DG834G Network Management Information The DG834G v3 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 Modem Router Status to view this screen. Figure 6-3 The Modem Router Status menu provides status and usage information.

  • Page 81

    This screen shows the following parameters: Table 6-1. Menu 3.2 - Modem Router Status Fields Field Account Name Firmware Version ADSL Port MAC Address IP Address Network Type IP Subnet Mask Domain Name Server (DNS) LAN Port MAC Address IP Address DHCP IP Subnet Mask Modem...

  • Page 82

    Reference Manual for the ADSL Modem Wireless Router DG834G Table 6-1. Menu 3.2 - Modem Router Status Fields (continued) Field Downstream Speed Upstream Speed Wireless Port Name (SSID) Region Channel Wireless AP Broadcast Name Click the Show Statistics button to display modem router usage statistics, as shown below: Figure 6-4 Description The speed at which the modem is receiving data from the ADSL line.

  • Page 83

    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. TxPkts The number of packets transmitted on this port since reset or manual clear. RxPkts The number of packets received on this port since reset or manual clear.

  • Page 84

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 85: Viewing Attached Devices, Viewing, Selecting, And Saving Logged Information

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 Maintenance heading, select Attached Devices to view the table, shown: Figure 6-6 For each device, the table shows the IP address, Device Name if available, and the Ethernet MAC...

  • Page 86

    Reference Manual for the ADSL Modem Wireless Router DG834G An example of the logs file is shown below. Figure 6-7 6-10 Managing Your Network v1.2, October 2006...

  • Page 87

    Log entries are described in Table 6-4 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. Action Source IP The IP address of the initiating device for this log entry.

  • Page 88: 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 89: Enabling Security Event E-mail Notification

    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 - Destination:134.177.0.11,0,LAN - [Inbound Default rule match] [These entries show an inbound FTP (port 21) packet, User Datagram Protocol (UDP) packet (port 6970), and Internet Control Message Protocol (ICMP) packet (port 0) being dropped as a...

  • Page 90

    Reference Manual for the ADSL Modem Wireless Router DG834G • 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 91: Running Diagnostic Utilities And Rebooting The Modem Router

    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: • Ping an IP Address to test connectivity to see if you can reach a remote host. If Ping VPN is enabled, the ping packet always goes through the VPN if the VPN tunnel is enabled and working.

  • Page 92: Enabling Remote Management, Configuring Remote Management

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 DG834G. Tip: Be sure to change the modem router's default password to a very secure password.

  • Page 93

    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 94

    Reference Manual for the ADSL Modem Wireless Router DG834G 6-18 Managing Your Network v1.2, October 2006...

  • Page 95

    This chapter describes how to configure the advanced features of your 54 Mbps ADSL Modem Wireless Router Model DG834G. Configuring Advanced Security The 54 Mbps ADSL Modem Wireless Router Model DG834G provides a variety of advanced features, such as: • Setting up a Demilitarized Zone (DMZ) Server •...

  • Page 96: Setting Up A Default Dmz Server

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 97: Connect Automatically, As Required

    Reference Manual for the ADSL Modem Wireless Router DG834G 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.

  • Page 98: Enable Pppoe-relay, Disable Port Scan And Dos Protection, Respond To Ping On Internet Wan Port

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 99

    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 100: Dhcp

    Reference Manual for the ADSL Modem Wireless Router DG834G • RIP Direction RIP (Router Information Protocol) allows a modem router to exchange routing information with other routers. The RIP Direction selection controls how the Modem Router sends and receives RIP packets. Both is the default. —...

  • Page 101

    Specify the pool of IP addresses to be assigned by setting the Starting IP Address and Ending IP Address. These addresses should be part of the same IP address subnet as the router’s LAN IP address. Using the default addressing scheme, you should define a range between 192.168.0.2 and 192.168.0.254, although you may want to save part of the range for devices with fixed addresses.

  • Page 102: How To Configure Lan Tcp/ip Settings

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 103: Configuring Dynamic Dns, How To Configure Dynamic Dns

    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 104

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 105: Using Static Routes, Static Route Example

    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 106: How To Configure Static Routes

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 107: Universal Plug And Play (upnp)

    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 108

    Reference Manual for the ADSL Modem Wireless Router DG834G • 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 109

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

  • Page 110: Client-to-gateway Vpn Tunnels

    Internet. In this case, the remote PC is one tunnel endpoint, running the VPN client software. The ADSL Modem Wireless Router on your network is the other tunnel endpoint. See a Client-to-Gateway VPN Configuration” on page 8-7 VPN Tunnel (Running NETGEAR ProSafe VPN Client) to set up this configuration. v1.2, October 2006 “How to Set Up...

  • Page 111: 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 DG834G v3s on each end of the tunnel to form the VPN tunnel end points.

  • Page 112: Planning A Vpn

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 Connection Name: Pre-Shared Key: Secure Association -- Main Mode or Manual Keys:...

  • Page 113

    • Will either endpoint use Fully Qualified Domain Names (FQDNs)? FQDNs supplied by Dynamic DNS providers (see page B-8) can allow a VPN endpoint with a dynamic IP address to initiate or respond to a tunnel request. Otherwise, the side using a dynamic IP address must always be the initiator. •...

  • Page 114: Vpn Tunnel Configuration

    DG834G v3 and the corresponding VPN endpoint gateway or client workstation. Note: NETGEAR publishes additional interoperability scenarios with various gateway and client software products. Look on the NETGEAR web site at www.netgear.com 8-2) are not appropriate for your special circumstances, but you...

  • Page 115: How To Set Up A Client-to-gateway Vpn Configuration

    DG834G 192.168.3.1 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 DG834G v3” on page 8-7 uses the VPN Wizard to configure the VPN tunnel between the remote PC and network gateway.

  • Page 116

    Reference Manual for the ADSL Modem Wireless Router DG834G Table 8-3. VPN Tunnel Configuration Worksheet Connection Name: Pre-Shared Key: Secure Association -- Main Mode or Manual Keys: Perfect Forward Secrecy -- 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:...

  • Page 117

    1. Log in to the DG834G v3 at its LAN address of http://192.168.0.1 with its default user name and password of admin display this screen. Click Next to proceed. Figure 8-4 2. Fill in the Connection Name and the pre-shared key, select the type of target end point, and click Next to proceed.

  • Page 118

    Reference Manual for the ADSL Modem Wireless Router DG834G The Summary screen below displays. Figure 8-6 8-10 v1.2, October 2006 Virtual Private Networking...

  • Page 119

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 120: 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 121

    b. 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 v3 on LAN A.

  • Page 122

    Type menu. In this example, k. The resulting Connection Settings are shown in 3. Configure the Security Policy in the NETGEAR ProSafe VPN Client software: a. In the Network Security Policy list, expand the new connection by double clicking its name or clicking on the “+”...

  • Page 123

    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. c. 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 124

    Reference Manual for the ADSL Modem Wireless Router DG834G e. Click the Pre-Shared Key button. In the Pre-Shared Key dialog box, click the Enter Key button. Enter the DG834G v3's Pre-Shared Key and click OK. In this example, 12345678 is entered. This field is case sensitive. Figure 8-12 5.

  • Page 125

    c. In the Authentication Method menu, select Pre-Shared key. d. In the Encrypt Alg menu, select the type of encryption to correspond with what was configured for the Encryption Protocol in the DG834G v3 in example, use Triple DES. e. In the Hash Alg menu, select SHA-1. In the SA Life menu, select Unspecified.

  • Page 126

    “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 127

    Information on the progress and status of the VPN client connection can be viewed by opening the NETGEAR ProSafe Log Viewer. 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: Figure 8-17 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 128

    Reference Manual for the ADSL Modem Wireless Router DG834G 9. The Connection Monitor screen for this connection is shown below: Figure 8-18 In this example you can see the following: • The DG834G v3 has a public IP WAN address of 22.23.24.25. •...

  • Page 129: How To Set Up A Gateway-to-gateway Vpn Configuration

    How to Set Up a Gateway-to-Gateway VPN Configuration Note: This section uses the VPN Wizard to set up the VPN tunnel using the VPNC default parameters listed in not covered by these VPNC-recommended parameters, refer to VPN Tunnels in Special Circumstances” on page 8-38 Follow this procedure to configure a gateway-to-gateway VPN tunnel using the VPN Wizard.

  • Page 130

    DG834G v3_B 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 131

    Figure 8-20 2. Fill in the Connection Name and the pre-shared key, select the type of target end point, and click Next to proceed. Figure 8-21 Virtual Private Networking Reference Manual for the ADSL Modem Wireless Router DG834G Enter the new Connection Name: (e.g., GtoG) Enter the pre-shared key: (e.g., 12345678)

  • Page 132

    Reference Manual for the ADSL Modem Wireless Router DG834G 3. Fill in the IP Address or FQDN for the target VPN endpoint WAN connection and click Next. Figure 8-22 4. Identify the IP addresses at the target endpoint which can use this tunnel, and click Next. Figure 8-23 8-24 Enter the WAN IP address of the...

  • Page 133

    Reference Manual for the ADSL Modem Wireless Router DG834G The Summary screen below displays. Figure 8-24 Virtual Private Networking 8-25 v1.2, October 2006...

  • Page 134

    Reference Manual for the ADSL Modem Wireless Router DG834G To view the VPNC recommended authentication and encryption settings used by the VPN Wizard, click the “here” link (see Figure 8-25 5. Click Done on the Summary screen (see procedure. The VPN Settings menu below displays showing that the new tunnel is enabled. Figure 8-26 8-26 Figure...

  • Page 135

    Note: Refer to “Using Auto Policy to Configure VPN Tunnels” on page 8-38 enable the IKE keepalive capability on an existing VPN tunnel. 6. Repeat for the DG834G v3 on LAN B and pay special attention to use the following network settings as appropriate.

  • Page 136

    Reference Manual for the ADSL Modem Wireless Router DG834G a. Open the DG834G v3 management interface and click on VPN Status to get the VPN Status/Log screen (Figure Figure 8-27 b. Click on VPN Status (Figure (Figure 8-28). Click on Connect for the VPN tunnel you want to activate. Figure 8-28 c.

  • Page 137: Vpn Tunnel Control, Activating A Vpn Tunnel

    VPN Tunnel Control Activating a VPN Tunnel There are three ways to activate a VPN tunnel: • Use the VPN Status page. • Activate the VPN tunnel by pinging the remote endpoint. • Start using the VPN tunnel. Note: Refer to “Using Auto Policy to Configure VPN Tunnels”...

  • Page 138

    PC to the DG834G v3’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 139

    Figure 8-31: Running a Ping test to the LAN from the PC This will cause a continuous ping to be sent to the first DG834G v3. After between several seconds and two minutes, the ping response should change from “timed out” to “reply.” Note: Use Ctrl-C to stop the pinging.

  • Page 140

    Reference Manual for the ADSL Modem Wireless Router DG834G b. ping 192.168.3.1. Figure 8-33 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 141: Verifying The Status Of A Vpn Tunnel

    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 DG834G v3 management interface and click on VPN Status to get the VPN Status/ Log screen (Figure 8-34).

  • Page 142

    Reference Manual for the ADSL Modem Wireless Router DG834G 3. Click on VPN Status (Figure Figure 8-35 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 143: Deactivating A Vpn Tunnel

    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 • VPN Status page Using the Policy Table on the VPN Policies Page to Deactivate a VPN Tunnel To use the VPN Policies page to deactivate a VPN tunnel, perform the following steps: 1.

  • Page 144

    Reference Manual for the ADSL Modem Wireless Router DG834G 2. Open the DG834G v3 management interface and click on VPN Status to get the VPN Status/ Log screen (Figure 8-37). Figure 8-37 3. Click VPN Status (Figure Click Drop for the VPN tunnel you want to deactivate. Figure 8-38 8-36 8-37) to get the Current VPN Tunnels (SAs) screen...

  • Page 145: Deleting A Vpn Tunnel

    Deleting a VPN Tunnel To delete a VPN tunnel: 1. Log in to the Modem Router. 2. Open the DG834G v3 management interface and click VPN Policies to display the VPN Policies screen (Figure 8-39). Select the radio button for the VPN tunnel to be deleted and click the Delete button.

  • Page 146: How To Set Up Vpn Tunnels In Special Circumstances

    Reference Manual for the ADSL Modem Wireless Router DG834G How to Set Up VPN Tunnels in Special Circumstances When the VPN Wizard and its VPNC defaults (see circumstances, use one of the following alternatives: • Auto Policy—for a typical automated Internet Key Exchange (IKE) setup, see Policy to Configure VPN Tunnels”...

  • Page 147

    Reference Manual for the ADSL Modem Wireless Router DG834G Figure 8-40 Virtual Private Networking 8-39 v1.2, October 2006...

  • Page 148

    Reference Manual for the ADSL Modem Wireless Router DG834G The DG834G v3 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

    — • 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 150

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 151

    Example of Using Auto Policy VPN Tunnel 14.15.16.17 DG834G VPN Firewall 192.168.0.1 Figure 8-41 1. Set the LAN IPs on each DG834G v3 to different subnets and configure each properly for the Internet. The following settings are assumed for this example: Table 8-5.

  • Page 152

    Reference Manual for the ADSL Modem Wireless Router DG834G 2. Open the DG834G v3 on LAN A management interface and click on VPN Policies. Figure 8-42 3. Click Add Auto Policy. 4. Enter policy settings (see Figure • General — Policy Name = GtoG —...

  • Page 153

    Reference Manual for the ADSL Modem Wireless Router DG834G — Authentication Algorithm = MD5 — Pre-shared Key = 12345678 Figure 8-43 Virtual Private Networking 8-45 v1.2, October 2006...

  • Page 154

    Reference Manual for the ADSL Modem Wireless Router DG834G 5. Click Apply. The Get VPN Policies web page is displayed. Figure 8-44 6. Repeat for the DG834G v3 on LAN B and pay special attention to use the following network settings as appropriate.

  • Page 155

    a. Open the DG834G v3 management interface and click on VPN Status to display the VPN Status/Log screen (Figure Figure 8-45 b. Click VPN Status (Figure (Figure 8-46). Click on Connect for the VPN tunnel you want to activate. Figure 8-46 c.

  • Page 156

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 157

    General. The DG834G v3 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 158

    Reference Manual for the ADSL Modem Wireless Router DG834G • 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. ESP Configuration.

  • Page 159

    This chapter gives information about troubleshooting your 54 Mbps ADSL Modem Wireless 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 160: Power Led Not On, Test Led Never Turns On Or Test Led Stays 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 161: Troubleshooting The Web Configuration Interface

    • 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. • Be sure you are using the correct cable: —...

  • Page 162: Troubleshooting The Isp Connection, Adsl Link

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 163: 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://192.168.0.1. 3. Under the Maintenance heading check that an IP address is shown for the WAN Port.

  • Page 164: Troubleshooting Pppoe Or Pppoa

    Reference Manual for the ADSL Modem Wireless Router DG834G • If you have selected a login program, you may have incorrectly set the Service Name, User Name and Password. See “Troubleshooting PPPoE or • Your ISP may check for your computer's host name. Assign the computer Host Name of your ISP account to the modem router in the browser- based Setup Wizard.

  • Page 165: Testing The Lan Path To Your Router, Testing The Lan Path To Your Router

    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. A DNS server is a host on the Internet that translates Internet names (such as www addresses) to numeric IP addresses.

  • Page 166

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 167: Restoring The Default Configuration And Password, Restoring The Default Configuration And Password

    — 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 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 168

    Reference Manual for the ADSL Modem Wireless Router DG834G • 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 169

    This appendix provides technical specifications for the 54 Mbps ADSL Modem Wireless Router Model DG834G. Network Protocol and Standards Compatibility Data and Routing Protocols: Power Adapter North America: United Kingdom, Australia: Europe: Japan: All regions (output): Physical Specifications Dimensions: Weight: Environmental Specifications Operating temperature: Operating humidity:...

  • Page 170

    Reference Manual for the ADSL Modem Wireless Router DG834G Technical Specifications v1.2, October 2006...

  • Page 171: Dg834g V3 To Fvl328, Configuration Profile

    DG834G v3 to FVL328 This appendix is a case study on how to configure a secure IPSec VPN tunnel from a NETGEAR DG834G v3 to a FVL328. This case study follows the VPN Consortium interoperability profile guidelines (found at http://www.vpnc.org/InteropProfiles/Interop-01.html).

  • Page 172: Step-by-step Configuration

    Gateway A LAN IP 10.5.6.1 DG834G Figure B-1 Note: Product updates are available on the NETGEAR, Inc. web site at http://kbserver.netgear.com/DG834G Step-By-Step Configuration 1. Configure the DG834G v3 as in the Gateway-to-Gateway procedures using the VPN Wizard (see “How to Set Up a Gateway-to-Gateway VPN Configuration” on page to use appropriate network addresses for the environment.

  • Page 173

    10.5.6.1 toFVL328 Figure B-2 NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G Click VPN Policies under Advanced - VPN to invoke this screen 172.23.9.1 v1.2, October 2006 toFVL328 22.23.24.25 10 10...

  • Page 174

    In Step 1, enter toDG834 for the Connection Name b. In Step 2, enter 14.15.16.17 for the remote WAN's IP address c. In Step 3, enter the following: • IP Address = 10.5.6.1 • Subnet Mask = 255.255.255.0 NETGEAR VPN Configuration v1.2, October 2006 8-21), being certain to...

  • Page 175

    Click IKE Policies under VPN to invoke this screen toDG834 172.23.9.1 Click VPN Policies under VPN to invoke this screen Figure B-3 NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G 10.5.6.1 v1.2, October 2006 toDG834 22.23.24.25 14.15.16.17...

  • Page 176: Dg834g V3 With Fqdn To Fvl328, Configuration Profile

    DG834G v3 with FQDN to FVL328 This appendix is a case study on how to configure a VPN tunnel from a NETGEAR DG834G v3 to a FVL328 using a Fully Qualified Domain Name (FQDN) to resolve the public address of one or both routers.

  • Page 177

    Gateway A LAN IP 10.5.6.1 dg834g.dyndns.org DG834G Figure B-5 Note: Product updates are available on the NETGEAR, Inc. web site at http://kbserver.netgear.com/DG834G NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G VPNC Example Gateway B WAN IP WAN IP fvl328.dyndns.org...

  • Page 178

    2. Click on the Dynamic DNS link on the left side of the Settings management GUI. This will take you to the Dynamic DNS Menu. party service in lieu of a permanent and unchanging IP and default password of password v1.2, October 2006 . For this example we will NETGEAR VPN Configuration...

  • Page 179

    • Password = <user's account password> c. Click Show Status. The resulting screen should show Update OK: good (see Figure B-7 NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G Figure v1.2, October 2006 B-6) in the Advanced menu.

  • Page 180

    Host and Domain Name = fvl328.dyndns.org • User Name = <user's account username> • Password = <user's account password> B-10 Figure B-8) in the Advanced menu. Figure B-8), configure with appropriate account Figure B-9), and then click Apply. v1.2, October 2006 NETGEAR VPN Configuration...

  • Page 181

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 v1.2, October 2006...

  • Page 182

    7. Test the VPN tunnel by pinging the remote network from a PC attached to the DG834G v3. a. Open the command prompt (Start -> Run -> cmd) b. ping 172.23.9.1 B-12 LAN Subnet Mask 255.255.255.0 255.255.255.0 NETGEAR VPN Configuration v1.2, October 2006 8-21), being certain 8-21), being certain to...

  • Page 183

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 v1.2, October 2006...

  • Page 184: Configuration Summary (telecommuter Example), Setting Up The Client-to-gateway Vpn Configuration (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 185: Step 1: Configuring The Client-to-gateway Vpn Tunnel On The Vpn Router At The Employer's Main Office

    • Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC at the Telecommuter’s Home Office Step 1: Configuring the Client-to-Gateway VPN Tunnel on the VPN Router at the Employer’s Main Office Follow this procedure to configure a client-to-gateway VPN tunnel by filling out the VPN Auto Policy screen.

  • Page 186

    (Remote NAT router must have Address Reservation set and 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 NETGEAR VPN Configuration v1.2, October 2006...

  • Page 187

    Reference Manual for the ADSL Modem Wireless Router DG834G 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. NETGEAR VPN Configuration B-17 v1.2, October 2006...

  • Page 188: Step 2: Configuring The Netgear Prosafe Vpn Client On The Remote Pc At The Telecommuter's Home Office

    The system should show the ProSafe icon ( e. Double-click the system tray icon to open the Security Policy Editor. 2. Add a new connection. a. Run the NETGEAR ProSafe Security Policy Editor program and create a VPN Connection. B-18 ) in the system tray after rebooting.

  • Page 189

    B-16) because Connection Names are arbitrary to how the VPN tunnel functions. Tip: Choose Connection Names that make sense to the people using and administrating the VPN. Figure B-15 NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G v1.2, October 2006 B-19...

  • Page 190

    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. B-20 Figure B-16. NETGEAR VPN Configuration v1.2, October 2006...

  • Page 191

    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 DG834G v3 and either a fixed IP address or a “fixed virtual” IP address of the VPN client PC. NETGEAR VPN Configuration B-21 v1.2, October 2006...

  • Page 192

    In the Internet Interface box, select Intel PRO/100VE Network Connection (in this example, your Ethernet adapter may be different) in the Name menu and enter 192.168.2.3 (in this example) in the IP Addr box. B-22 NETGEAR VPN Configuration v1.2, October 2006...

  • Page 193

    “+” symbol. b. Expand the Authentication subheading by double clicking its name or clicking on the “+” symbol. Then select Proposal 1 below Authentication. NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G v1.2, October 2006...

  • Page 194

    6. Configure the VPN Client Key Exchange 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 VPN router configuration. B-24 NETGEAR VPN Configuration v1.2, October 2006...

  • Page 195

    VPN connection when you attempt to access any IP addresses in the range of the remote VPN router’s LAN. 8. Check the VPN Connection. NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G v1.2, October 2006...

  • Page 196

    To perform a ping test using our example, start from the remote PC: a. Establish an Internet connection from the PC. b. On the Windows taskbar, click the Start button, and then click Run. B-26 Right-mouse-click on the system tray icon to open the popup menu. NETGEAR VPN Configuration v1.2, October 2006...

  • Page 197

    Note: You can use the VPN router diagnostic utilities to test the VPN connection from the VPN router to the client PC. Run ping tests from the Diagnostics link of the VPN router main menu. NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G v1.2, October 2006...

  • Page 198: Monitoring The Vpn Tunnel (telecommuter Example), Viewing The Pc Client's Connection Monitor And 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. 2. The Connection Monitor screen is shown below: Figure B-25 B-28 NETGEAR VPN Configuration v1.2, October 2006...

  • Page 199: Viewing The Vpn Router's Vpn Status And Log Information, V1.2, October

    1. To view this screen, click the Router Status link of the VPN router’s main menu, then click the VPN Status button. The VPN Status/Log screen for a connection is shown below: Figure B-26 NETGEAR VPN Configuration Reference Manual for the ADSL Modem Wireless Router DG834G v1.2, October 2006...

  • Page 200

    Reference Manual for the ADSL Modem Wireless Router DG834G 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 v1.2, October 2006...

  • Page 201

    Reference Manual for the ADSL Modem Wireless Router DG834G NETGEAR VPN Configuration B-31 v1.2, October 2006...

  • Page 202

    Reference Manual for the ADSL Modem Wireless Router DG834G B-32 NETGEAR VPN Configuration v1.2, October 2006...

  • Page 203

    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 Internet Networking and TCP/IP Addressing Wireless Communications Preparing a Computer for Network Access Virtual Private Networking (VPN)

  • Page 204

    Reference Manual for the ADSL Modem Wireless Router DG834G Related Documents v1.2, October 2006...

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