Reference Manual for the ADSL Modem Router DG834 v3 NETGEAR, Inc.
© 2006 by NETGEAR, Inc. All rights reserved. Trademarks NETGEAR is a trademark of Netgear, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Other brand and product names are registered trademarks or trademarks of their respective holders. Statement of Conditions 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.
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 [Czech] NETGEAR, Inc. tímto prohlašuje, že tento DG834 ADSL Modem Router je ve shodì se Dansk [Danish] Undertegnede NETGEAR, Inc. erklærer herved, at følgende udstyr DG834 ADSL Modem Router overholder de væsentlige krav og øvrige relevante krav i direktiv 1999/5/ EF.
Malti [Maltese] Hawnhekk, NETGEAR, Inc., jiddikjara li dan DG834 ADSL Modem Router jikkonforma mal-tiijiet essenzjali u ma provvedimenti orajn relevanti li hemm fid-Dirrettiva 1999/5/EC. Magyar [Hungarian] Alulírott, NETGEAR, Inc. nyilatkozom, hogy a DG834 ADSL Modem Router megfelel a vonatkozó alapvetõ követelményeknek és az 1999/5/EC irányelv egyéb elõírásainak. Polski [Polish] Niniejszym NETGEAR, Inc.
Voluntary Control Council for Interference (VCCI) Statement This equipment is in the second category (information equipment to be used in a residential area or an adjacent area thereto) and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing Equipment and Electronic Office Machines aimed at preventing radio interference in such residential areas. When used near a radio or TV receiver, it may become the cause of radio interference.
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Contents Reference Manual for the ADSL Modem Router DG834 v3 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 ............................
Firewall Rules .................................................................................................................3-5 Inbound Rules (Port Forwarding) .............................................................................3-6 Outbound Rules (Service Blocking) .........................................................................3-9 Order of Precedence for Rules .............................................................................. 3-11 Services .................................
Respond to Ping on Internet WAN Port ...................................................................5-4 MTU Size .................................................................................................................5-4 Configuring LAN IP Settings ...........................................................................................5-4 DHCP .......................................................................................................................
LAN or Internet Port LEDs Not On ...........................................................................7-2 Troubleshooting the Web Configuration Interface ..........................................................7-3 Troubleshooting the ISP Connection ..............................................................................7-4 ADSL link .................................................................................................................7-4 Obtaining a WAN IP Address ...................
Chapter 1 About This Manual This chapter describes the intended audience, scope, conventions, and formats of this manual. Audience, Scope, Conventions, and Formats 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.
Reference Manual for the ADSL Modem Router DG834 v3 How to Print this Manual To print this manual you can choose one of the following several options, according to your needs. • Printing a Page in the HTML View. Each page in the HTML version of the manual is dedicated to a major topic. Use the Print button on the browser toolbar to print the page contents. • Printing a Chapter. Use the PDF of This Chapter link at the top left of any page.
Chapter 2 Introduction This chapter describes the features of the NETGEAR DG834 ADSL Modem Router. The DG834 ADSL Modem 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.
Reference Manual for the ADSL Modem Router DG834 v3 Key Features The DG834 ADSL Modem Router provides the following features: • A built-in ADSL modem • A powerful, true firewall • Easy, Web-based setup for installation and management • Extensive Internet protocol support • Trustworthy VPN Communications over the Internet • VPN Wizard for easy VPN configuration • Auto Sensing and Auto Uplink™ LAN Ethernet connections • Content filtering • Support for Trend Micro Home Network Security These
Reference Manual for the ADSL Modem Router DG834 v3 Easy Installation and Management You can install, configure, and operate the DG834 v3 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.
Reference Manual for the ADSL Modem Router DG834 v3 • Automatic Configuration of Attached PCs by DHCP The DG834 v3 dynamically assigns network configuration information, including IP, modem router, and domain name server (DNS) addresses, to attached PCs on the LAN using the Dynamic Host Configuration Protocol (DHCP). This feature greatly simplifies configuration of PCs on your local network.
Reference Manual for the ADSL Modem Router DG834 v3 Virtual Private Networking (VPN) The DG834 ADSL Modem Router provides a secure encrypted connection between your local area network (LAN) and remote networks or clients. It includes the following VPN features: • Supports 5 VPN connections. • Supports industry standard VPN protocols The DG834 ADSL Modem Router supports standard Manual or IKE keying methods, standard MD5 and SHA-1 authentication methods, and standard DES and 3DES encryption methods.
Reference Manual for the ADSL Modem Router DG834 v3 — Detect and remove spyware — View attempts to access content restricted by Parental Controls — Purchase subscriptions for Parental Controls and Trend Micro Internet Security • Trend Micro Internet Security You can install this program on up to 10 computers and try it free for 60 days.
Reference Manual for the ADSL Modem Router DG834 v3 The Modem Router’s Front Panel The DG834 ADSL Modem Router front panel shown below contains status LEDs. 1 2 3 4 Figure 2-1 You can use the LEDs to verify various conditions. Table 2-1 lists and describes each LED on the front panel of the modem router. These LEDs are green when lit. Table 2-1. LED Descriptions Label Activity Description 1. Power On Off Power is supplied to the modem router. Power is not supplied to the modem router. 2.
Reference Manual for the ADSL Modem Router DG834 v3 The Router’s Rear Panel The rear panel of the DG834 ADSL Modem Router (Figure 2-2) contains port connections. 2 4 1 3 Figure 2-2 Viewed from left to right, the rear panel contains the following elements: 1. RJ-11 ADSL port for connecting the firewall to an ADSL line 2. Four Local Ethernet RJ-45 LAN ports for connecting the firewall to the local computers 3. Factory Default Reset push button 4. AC power adapter outlet 2-8 Introduction v1.
Reference Manual for the ADSL Modem Router DG834 v3 Connecting the Router to the Internet To connect your DG834 ADSL Modem Router to the Internet, refer to the ADSL Modem Router Setup Manual on the ADSL Modem Router Resource CD or online as shown in the following table. Table 2-1. Language URL Dutch http://documentation.netgear.com/dg834/nld/208-10032-01/ English http://documentation.netgear.com/dg834/enu/208-10026-01/ French http://documentation.netgear.
Reference Manual for the ADSL Modem Router DG834 v3 2-10 Introduction v1.
Chapter 3 Protecting Your Network This chapter describes how to use the basic firewall features of the DG834 ADSL Modem Router to protect your network. It also describes how to configure Trend Micro Home Network Security. Protecting Access to Your DG834 ADSL Modem Router For security reasons, the modem router has its own user name and password. Also, after a period of inactivity for a set length of time, the administrator login will automatically disconnect.
Reference Manual for the ADSL Modem Router DG834 v3 2. From the Main Menu of the browser interface, under the Maintenance heading, select Set Password to bring up the menu shown in Figure 3-2. Figure 3-2 3. To change the password, first enter the old password, and then enter the new password twice. 4. Click Apply to save your changes. Note: After changing the password, you will be required to log in again to continue the configuration.
Reference Manual for the ADSL Modem Router DG834 v3 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. With its content filtering feature, the DG834 ADSL Modem Router prevents objectionable content from reaching your PCs.
Reference Manual for the ADSL Modem Router DG834 v3 2. Select the Block Sites link of the Security menu. Figure 3-3 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. • Always—to turn on keyword blocking all of the time, independent of the Schedule page. 4. Enter a keyword or domain in the Keyword box, click Add Keyword, then click Apply.
Reference Manual for the ADSL Modem Router DG834 v3 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. Note: The Block Sites feature is disabled when the Trend Micro Home Security feature is enabled. This is because the Trend security system has incorporates its own siteblocking capability.
Reference Manual for the ADSL Modem Router DG834 v3 To access the rules configuration of the DG834 v3, click the Firewall Rules link on the main menu, then click Add for either an Outbound or Inbound Service. Figure 3-4 • To edit an existing rule, select its button on the left side of the table and click Edit. • To delete an existing rule, select its button on the left side of the table and click Delete.
Reference Manual for the ADSL Modem Router DG834 v3 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.
Reference Manual for the ADSL Modem Router DG834 v3 • – Any — all IP addresses are covered by this rule. – Address range — if this option is selected, you must enter the Start and Finish fields. – Single address — enter the required address in the Start field. Log You can select whether the traffic will be logged. The choices are: – Never — no log entries will be made for this service. – Always — any traffic for this service type will be logged.
Reference Manual for the ADSL Modem Router DG834 v3 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.
Reference Manual for the ADSL Modem Router DG834 v3 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. You can also have the modem router log any attempt to use Instant Messenger during that blocked period.
Reference Manual for the ADSL Modem Router DG834 v3 – • • Single address — enter the required address in the Start field. 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. – Single address — enter the required address in the Start field.
Reference Manual for the ADSL Modem Router DG834 v3 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. In some cases, the order of precedence of two or more rules may be important in determining the disposition of a packet. The Move button allows you to relocate a defined rule to a new position in the table.
Reference Manual for the ADSL Modem Router DG834 v3 • 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. Use the page shown below to define or edit a service. Figure 3-10 4. Click Apply to save your changes.
Reference Manual for the ADSL Modem Router DG834 v3 2. Select the Schedule link of the Security menu to display menu shown below. Figure 3-11 3. Select your Time Zone. This setting will be used for the blocking schedule according to your local time zone and for time-stamping log entries. Select the Adjust for daylight savings time check box if your time zone is currently in daylight savings time.
Reference Manual for the ADSL Modem Router DG834 v3 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. 2.
Reference Manual for the ADSL Modem Router DG834 v3 Security Service Settings Click Security Service under Content Filtering on the Main menu to get the Security Service Settings menu shown below: Click this banner to install the Trend Micro dashboard and set up your Trend Micro account. Figure 3-12 To install Home Network Security, click the Trend Micro banner and then follow the on-screen instructions.
Reference Manual for the ADSL Modem Router DG834 v3 Note: If your ISP bills by the amount of time or traffic you use, set the update frequency to once a day. • Client Virus Protection Status. Provides information on all computers on your network. – IP Address: The computer’s IP address – Computer Name: The name of the computer (as shown in Control Panel > System) – Antivirus Software: The type of antivirus software installed on the computer – Virus Def.
Reference Manual for the ADSL Modem Router DG834 v3 Parental Controls Settings Click Parental Controls under Content Filtering on the Main menu to get the Trend Micro Parental Controls menu shown below: Click this banner to install the Trend Micro dashboard and set up your Trend Micro account. Figure 3-13 To configure Parental Controls: • Click Always to turn on Parental Controls all the time. • Click Never to turn off Parental Controls.
Reference Manual for the ADSL Modem Router DG834 v3 To select Parental Controls Mode: • Click Use General Controls to select General mode. In General mode, one access profile applies to all users. • Click Use Per-User Controls to select Per-User mode. In Per-User mode, each user has an individual access profile. Note: When in Per-User mode, everyone accessing the Internet through the router is required to log in. To configure General mode: 1.
Reference Manual for the ADSL Modem Router DG834 v3 b. To create a custom profile, click Use Custom Settings and then select the check boxes as desired. (For additional choices, click More Categories). c. To allow unrestricted Internet access, click No Restrictions. d. Click Apply. To change a user’s account information: 1. Select the user’s name in the User Account Information table and then click Edit. 2. Make the desired changes, and then click Apply.
Reference Manual for the ADSL Modem Router DG834 v3 • Illegal/Questionable: Sites that advocate or advise on performing illegal acts such as service theft, evading law enforcement, fraud, burglary techniques, and plagiarism. Also includes sites that provide or sell questionable educational materials, such as term papers. • Intimate Apparel/Swimsuit: Sites that contain images of swimsuits, intimate apparel, or other suggestive clothing.
Reference Manual for the ADSL Modem Router DG834 v3 3-22 Protecting Your Network v1.
Chapter 4 Managing Your Network This chapter describes how to perform network management tasks with your DG834 ADSL Modem Router. Backing Up, Restoring, or Erasing Your Settings The configuration settings of the DG834 ADSL Modem Router are stored in a configuration file in the modem router. This file can be backed up to your computer, restored, or reverted to factory default settings. The procedures below explain how to do these tasks. How to Back Up the Configuration to a File 1.
Reference Manual for the ADSL Modem Router DG834 v3 How to Restore the Configuration from a File 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 User Name, Password and LAN address you have chosen for the modem router. 2. From the Maintenance heading of the Main Menu, select the Settings Backup menu as seen in Figure 4-1. 3.
Reference Manual for the ADSL Modem Router DG834 v3 How to Upgrade the Modem Router Firmware Note: NETGEAR recommends that you back up your configuration before doing a firmware upgrade. After the upgrade is complete, you may need to restore your configuration settings. 1. Download and unzip the new software file from NETGEAR. The Web browser used to upload new firmware into the modem router must support HTTP uploads. NETGEAR recommends using Microsoft Internet Explorer 5.
Reference Manual for the ADSL Modem Router DG834 v3 Network Management Information The DG834 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, select Modem Router Status to view the screen in Figure 4-3. Figure 4-3 The Modem Router Status menu provides status and usage information. This screen shows the following parameters: 4-4 Managing Your Network v1.
Reference Manual for the ADSL Modem Router DG834 v3 Table 4-1. Menu 3.2 - Modem Router Status Fields Field Description Account Name The Host Name assigned to the modem router in the Basic Settings menu. Firmware Version Displays the modem router firmware version. ADSL Port These parameters apply to the Internet (ADSL) port of the modem router. MAC Address Displays the Ethernet MAC address being used by the Internet (ADSL) port of the modem router.
Reference Manual for the ADSL Modem Router DG834 v3 Click the Show Statistics button to display modem router usage statistics, as shown in Figure 4-3 below: Figure 4-4 This screen shows the following statistics:. Table 4-1. Router Statistics Fields Field Description WAN, LAN, or Serial Port The statistics for the WAN (Internet), LAN (local), and Serial ports. For each port, the screen displays: Status The link status of the port.
Reference Manual for the ADSL Modem Router DG834 v3 Table 4-1. Router Statistics Fields (continued) Field Description Line Attenuation The line attenuation will increase the further you are physically located from your ISP’s facilities. Noise Margin Poll Interval This is the signal-to-noise ratio and is a measure of the quality of the signal on the line. Specifies the interval at which the statistics are updated in this window. Click Stop to freeze the display.
Reference Manual for the ADSL Modem Router DG834 v3 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 in Figure 4-6: Figure 4-6 For each device, the table shows the IP address, Device Name if available, and the Ethernet MAC address.
Reference Manual for the ADSL Modem Router DG834 v3 An example of the logs file is shown below. Figure 4-7 Log entries are described in Table 4-1 below: Managing Your Network 4-9 v1.
Reference Manual for the ADSL Modem Router DG834 v3 Table 4-1. Security Log entry descriptions Field Description Date and Time The date and time the log entry was recorded. Description or Action The type of event and what action was taken if any. Source IP The IP address of the initiating device for this log entry.
Reference Manual for the ADSL Modem Router DG834 v3 Saving Log Files on a Server You can choose to write the logs to a computer running a syslog program. To activate this feature, select to Broadcast on Lan or enter the IP address of the server where the Syslog file will be written. Examples of Log Messages Following are examples of log messages.
Reference Manual for the ADSL Modem Router DG834 v3 Enabling Security Event E-mail Notification In order to receive logs and alerts by e-mail, you must provide your e-mail information in the Email subheading: Figure 4-8 • 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.
Reference Manual for the ADSL Modem Router DG834 v3 — Check My Mail Server requires authentication if you need to login to your SMTP server to send E-mail. If you check this box, you must enter the user name and password for the mail server. Tip: If you cannot remember the above information from when you set up your e-mail account, check the settings in your e-mail program. • Send alert immediately.
Reference Manual for the ADSL Modem Router DG834 v3 • Reboot the modem router to enable new network configurations to take effect or to clear problems with the modem router’s network connection. From the Main Menu of the browser interface, under the Maintenance heading, select the Modem Router Diagnostics heading to display the menu shown in Figure 4-9.
Reference Manual for the ADSL Modem Router DG834 v3 Configuring Remote Management 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 User Name, Password and LAN address you have chosen for the modem router. 2. From the Advanced section of the main menu, select the Remote Management link. Figure 4-10 3. Select the Turn Remote Management On check box. 4.
Reference Manual for the ADSL Modem Router DG834 v3 Web browser access normally uses the standard HTTP service port 80. For greater security, you can change the remote management Web interface to a custom port by entering that number in the box provided. Choose a number between 1024 and 65535, but do not use the number of any common service port. The default is 8080, which is a common alternate for HTTP. 6. Click Apply to have your changes take effect.
Chapter 5 Advanced Configuration This chapter describes how to configure the advanced features of your DG834 ADSL Modem Router.
Reference Manual for the ADSL Modem Router DG834 v3 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.
Reference Manual for the ADSL Modem Router DG834 v3 2. From the Main Menu, under Advanced, click the WAN Setup link to view the page shown in Figure 5-1: Figure 5-1 3. Select the Default DMZ Server check box. 4. Type the IP address for that server. 5. Click Apply to save your changes. Connect Automatically, as Required Normally, this option should be enabled, so that an Internet connection will be made automatically, whenever Internet-bound traffic is detected.
Reference Manual for the ADSL Modem Router DG834 v3 Respond to Ping on Internet WAN Port If you want the modem router to respond to a 'ping' from the Internet, select the ‘Respond to Ping on Internet WAN Port’ check box. This should only be used as a diagnostic tool, since it allows your modem router to be discovered. Do not select this box unless you have a specific reason to do so.
Reference Manual for the ADSL Modem Router DG834 v3 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 5-2 The LAN TCP/IP Setup parameters are: • IP Address This is the LAN IP address of the modem router.
Reference Manual for the ADSL Modem Router DG834 v3 • RIP Version This controls the format and the broadcasting method of the RIP packets that the modem router sends. It recognizes both formats when receiving. By default, this is set for RIP-1. — RIP-1 is universally supported. RIP-1 is probably adequate for most networks, unless you have an unusual network setup. — RIP-2 carries more information. Both RIP-2B and RIP-2M send the routing data in RIP-2 format. – RIP-2B uses subnet broadcasting.
Reference Manual for the ADSL Modem Router DG834 v3 The router will deliver the following parameters to any LAN device that requests DHCP: • An IP Address from the range you have defined • Subnet Mask • Gateway IP Address is the router’s LAN IP address • Primary DNS Server, if you entered a Primary DNS address in the Basic Settings menu; otherwise, the router’s LAN IP address • Secondary DNS Server, if you entered a Secondary DNS address in the Basic Settings menu • WINS Server, short for Window
Reference Manual for the ADSL Modem Router DG834 v3 How to Configure LAN TCP/IP Settings 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. 2. From the Main Menu, under Advanced, click the LAN IP Setup link to view the menu, shown in Figure 5-3: Figure 5-3 3. Enter the TCP/IP, DHCP, or Reserved IP parameters. 4.
Reference Manual for the ADSL Modem Router DG834 v3 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 configured your account information in the router, whenever your ISP-assigned IP address changes, your router will automatically contact your dynamic DNS service provider, log in to your account, and register your new IP address. How to Configure Dynamic DNS 1.
Reference Manual for the ADSL Modem Router DG834 v3 9. If your dynamic DNS provider allows the use of wildcards in resolving your URL, you can select the Use wildcards check box to activate this feature. For example, the wildcard feature will cause *.yourhost.dyndns.org to be aliased to the same IP address as yourhost.dyndns.org 10. Click Apply to save your configuration. Note: If your ISP assigns a private WAN IP address such as 192.168.x.x or 10.x.x.
Reference Manual for the ADSL Modem Router DG834 v3 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 192.168.0.100. • A Metric value of 1 will work since the ISDN router is on the LAN. This represents the number of routers between your network and the destination.
Reference Manual for the ADSL Modem Router DG834 v3 3. To add or edit a Static Route: a. Click the Add to add a new route or the Edit button to edit an existing route. The Static Routes screen will be displayed, as shown in Figure 5-6. Figure 5-6 b. Type a route name for this static route in the Route Name box under the table. This is for identification purpose only. c. Select Private if you want to limit access to the LAN only. The static route will not be reported in RIP. d.
Reference Manual for the ADSL Modem Router DG834 v3 Universal Plug and Play (UPnP) Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers, access the network and connect to other devices as needed. UPnP devices can automatically discover the services from other registered UPnP devices on the network. 1. Click UPnP on the main menu to invoke the UPnP menu: Figure 5-7 2.
Reference Manual for the ADSL Modem Router DG834 v3 • UPnP Portmap Table: The UPnP Portmap Table displays the IP address of each UPnP device that is currently accessing the Router and which ports (Internal and External) that device has opened. The UPnP Portmap Table also displays what type of port is opened and if that port is still active for each IP address. 3. To save, cancel or refresh the table: a. Click Apply to save the new settings to the Router. b. Click Cancel to disregard any unsaved changes.
Chapter 6 Virtual Private Networking (Advanced Feature) This chapter describes how to use the virtual private networking (VPN) features of the DG834 ADSL Modem Router. VPN communications paths are called tunnels. VPN tunnels provide secure, encrypted communications between your local network and a remote network or computer.
Reference Manual for the ADSL Modem Router DG834 v3 Client-to-Gateway VPN Tunnels Client-to-Gateway VPN Tunnels provide secure access from a remote PC, such as a telecommuter connecting to an office network (see Figure 6-1). VPN Tunnel DG834 PC (Running NETGEAR ProSafe VPN Client) PCs Figure 6-1 A VPN client access allows a remote PC to connect to your network from any location on the Internet. In this case, the remote PC is one tunnel endpoint, running the VPN client software.
Reference Manual for the ADSL Modem Router DG834 v3 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 DG834 v3s on each end of the tunnel to form the VPN tunnel end points. See “How to Set Up a Gateway-to-Gateway VPN Configuration” on page 6-20 to set up this configuration.
Reference Manual for the ADSL Modem Router DG834 v3 This set of configuration information defines a security association (SA) between the two VPN endpoints.
Reference Manual for the ADSL Modem Router DG834 v3 — MDS: 128 bits, faster but less secure. — SHA-1: 160 bits, slower but more secure. Note: NETGEAR publishes additional interoperability scenarios with various gateway and client software products. Look on the NETGEAR web site at www.netgear.com for these interoperability scenarios.
Reference Manual for the ADSL Modem Router DG834 v3 How to Set Up a Client-to-Gateway VPN Configuration Setting up a VPN between a remote PC running the NETGEAR ProSafe VPN Client and a network gateway (see Figure 6-3) involves the following two steps: • “Step 1: Configuring the Client-to-Gateway VPN Tunnel on the DG834 v3” on page 6-6 uses the VPN Wizard to configure the VPN tunnel between the remote PC and network gateway.
Reference Manual for the ADSL Modem Router DG834 v3 Table 6-1.
Reference Manual for the ADSL Modem Router DG834 v3 1. Log in to the DG834 v3 at its LAN address of http://192.168.0.1 with its default user name of admin and password of password. Click the VPN Wizard link in the main menu to display this screen. Click Next to proceed. Figure 6-4 2. Fill in the Connection Name and the pre-shared key, select the type of target end point, and click Next to proceed. Note: The Connection Name is arbitrary and not relevant to how the configuration functions.
Reference Manual for the ADSL Modem Router DG834 v3 The Summary screen below displays. Figure 6-6 Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 To view the VPNC recommended authentication and encryption settings used by the VPN Wizard, click the “here” link (see Figure 6-6). Click Back to return to the Summary screen. 1 hour Figure 6-7 3. Click Done on the Summary screen (see Figure 6-6) to complete the configuration procedure. The VPN Policies menu below displays showing that the new tunnel is enabled. Figure 6-8 6-10 Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 To view or modify the tunnel settings, select the radio button next to the tunnel entry and click Edit. Note: Refer to “Using Auto Policy to Configure VPN Tunnels” on page 6-36 to enable the IKE keep-alive capability on an existing VPN tunnel. Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC This procedure describes how to configure the NETGEAR ProSafe VPN Client.
Reference Manual for the ADSL Modem Router DG834 v3 b. 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 DG834 v3 on LAN A.
Reference Manual for the ADSL Modem Router DG834 v3 Figure 6-10 c. Select the Secure in the Connection Security check box. d. Select IP Subnet in the ID Type menu. e. In this example, type 192.168.3.1 in the Subnet field as the network address of the DG834 v3. f. Enter 255.255.255.0 in the Mask field as the LAN Subnet Mask of the DG834 v3. g. Select All in the Protocol menu to allow all traffic through the VPN tunnel. h. Select the Connect using Secure Gateway Tunnel check box. i.
Reference Manual for the ADSL Modem Router DG834 v3 b. Click on the Security Policy subheading to show the Security Policy menu. Figure 6-11 c. Select the Main Mode in the Select Phase 1 Negotiation Mode check box. 4. Configure the VPN Client Identity. 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 DG834 v3 and either a fixed IP address or a “fixed virtual” IP address of the VPN client PC.
Reference Manual for the ADSL Modem Router DG834 v3 a. In the Network Security Policy list on the left side of the Security Policy Editor window, click on My Identity. Figure 6-12 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. Otherwise, leave this box empty. d. In the Internet Interface box, select the adapter you use to access the Internet.
Reference Manual for the ADSL Modem Router DG834 v3 5. Configure the VPN Client Authentication Proposal. In this step, you will provide the type of encryption (DES or 3DES) to be used for this connection. This selection must match your selection in the DG834 v3 configuration. a. In the Network Security Policy list on the left side of the Security Policy Editor window, expand the Security Policy heading by double clicking its name or clicking on the “+” symbol. b.
Reference Manual for the ADSL Modem Router DG834 v3 a. Expand the Key Exchange subheading by double clicking its name or clicking on the “+” symbol. Then select Proposal 1 below Key Exchange. Figure 6-15 b. In the SA Life menu, select Unspecified. c. In the Compression menu, select None. d. Check the Encapsulation Protocol (ESP) checkbox. e. In the Encrypt Alg menu, select the type of encryption to correspond with what was configured for the Encryption Protocol in the DG834 v3 in Table 6-1 on page -7.
Reference Manual for the ADSL Modem Router DG834 v3 To check the VPN Connection, you can initiate a request from the remote PC to the DG834 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. To perform a ping test using our example, start from the remote PC: a. Establish an Internet connection from the PC. b.
Reference Manual for the ADSL Modem Router DG834 v3 Information on the progress and status of the VPN client connection can be viewed by opening the NETGEAR ProSafe Log Viewer. 1. To launch this function, click on the Windows Start button, then select Programs, then NETGEAR ProSafe VPN Client, then Log Viewer. 2.
Reference Manual for the ADSL Modem Router DG834 v3 In this example you can see the following: • The DG834 v3 has a public IP WAN address of 22.23.24.25. • The DG834 v3 has a LAN IP address of 192.168.3.1. • The VPN client PC has a dynamically assigned address of 192.168.2.2. While the connection is being established, the Connection Name field in this menu will say “SA” before the name of the connection.
Reference Manual for the ADSL Modem Router DG834 v3 Set the LAN IPs on each DG834 v3 to different subnets and configure each properly for the Internet. The examples below assume the following settings: Table 6-1.
Reference Manual for the ADSL Modem Router DG834 v3 Follow this procedure to configure a gateway-to-gateway VPN tunnel using the VPN Wizard. 1. Log in to the DG834 v3 on LAN A at its default LAN address of http://192.168.0.1 with its default user name of admin and password of password. Click the VPN Wizard link in the main menu to display this screen. Click Next to proceed. Figure 6-21 2. Fill in the Connection Name and the pre-shared key, select the type of target end point, and click Next to proceed.
Reference Manual for the ADSL Modem Router DG834 v3 3. Fill in the IP Address or FQDN for the target VPN endpoint WAN connection and click Next. Enter the WAN IP address of the remote VPN gateway: (e.g., 22.23.24.25) Figure 6-23 4. Identify the IP addresses at the target endpoint which can use this tunnel, and click Next. Enter the LAN IP settings of the remote VPN gateway: • IP Address (e.g., 192.168.3.1) • Subnet Mask (e.g., 255.255.255.
Reference Manual for the ADSL Modem Router DG834 v3 The Summary screen below displays. Figure 6-25 6-24 Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 To view the VPNC recommended authentication and encryption settings used by the VPN Wizard, click the “here” link (see Figure 6-25). Click Back to return to the Summary screen. 1 hour Figure 6-26 5. Click Done on the Summary screen (see Figure 6-25) to complete the configuration procedure. The VPN Settings menu below displays showing that the new tunnel is enabled.
Reference Manual for the ADSL Modem Router DG834 v3 6. Repeat for the DG834 v3 on LAN B and pay special attention to use the following network settings as appropriate. • WAN IP of the remote VPN gateway (e.g., 14.15.16.17) • LAN IP settings of the remote VPN gateway: — IP Address (e.g, 192.168.0.1) — Subnet Mask (e.g., 255.255.255.0) • Preshared Key (e.g., 12345678) 7.
Reference Manual for the ADSL Modem Router DG834 v3 b. Click on VPN Status (Figure 6-30) to get the Current VPN Tunnels (SAs) screen (Figure 6-29). Click on Connect for the VPN tunnel you want to activate. Figure 6-29 c. Look at the VPN Status/Log screen (Figure 6-28) to verify that the tunnel is connected. 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.
Reference Manual for the ADSL Modem Router DG834 v3 Using the VPN Status Page to Activate a VPN Tunnel 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 DG834 v3 management interface and click on VPN Status to get the VPN Status/Log screen (Figure 6-30). Figure 6-30 3. Click on VPN Status (Figure 6-30) to get the Current VPN Tunnels (SAs) screen (Figure 6-31). Click on Connect for the VPN tunnel you want to activate.
Reference Manual for the ADSL Modem Router DG834 v3 Activate the VPN Tunnel by Pinging the Remote Endpoint Note: This section uses 192.168.3.1 for an example remote endpoint LAN IP address. To activate the VPN tunnel by pinging the remote endpoint (e.g., 192.168.3.
Reference Manual for the ADSL Modem Router DG834 v3 Figure 6-33 Once the connection is established, you can open the browser of the PC and enter the LAN IP address of the remote DG834 v3. After a short wait, you should see the login screen of the Modem Router (unless another PC already has the DG834 v3 management interface open). • Gateway-to-Gateway Configuration—test the VPN tunnel by pinging the remote network from a PC attached to the DG834 v3. a. Open command prompt (i.e., Start -> Run -> cmd). b.
Reference Manual for the ADSL Modem Router DG834 v3 Log—this log shows the details of recent VPN activity, including the building of the VPN tunnel. If there is a problem with the VPN tunnel, refer to the log for information about what might be the cause of the problem. • Click Refresh to see the most recent entries. • Click Clear Log to delete all log entries. Figure 6-35 3. Click on VPN Status (Figure 6-30) to get the Current VPN Tunnels (SAs) screen (Figure 6-31).
Reference Manual for the ADSL Modem Router DG834 v3 • HLifeTime (Secs)—the remaining Hard Lifetime for this SA in seconds. When the Hard Lifetime becomes zero, the SA (Security Association) will be terminated. (It will be reestablished if required.) Figure 6-36 Deactivating a VPN Tunnel Sometimes a VPN tunnel must be deactivated for testing purposes.
Reference Manual for the ADSL Modem Router DG834 v3 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. Log in to the Modem Router. 2. Open the DG834 v3 management interface and click on VPN Policies to get the VPN Policies screen (Figure 6-38). Figure 6-37 3. Clear the Enable check box for the VPN tunnel you want to deactivate and click Apply.
Reference Manual for the ADSL Modem Router DG834 v3 2. Open the DG834 v3 management interface and click on VPN Status to get the VPN Status/Log screen (Figure 6-38). Figure 6-38 3. Click VPN Status (Figure 6-38) to get the Current VPN Tunnels (SAs) screen (Figure 6-39). Click Drop for the VPN tunnel you want to deactivate. Figure 6-39 Deleting a VPN Tunnel To delete a VPN tunnel: 6-34 Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 1. Log in to the Modem Router. 2. Open the DG834 v3 management interface and click VPN Policies to display the VPN Policies screen (Figure 6-40). Select the radio button for the VPN tunnel to be deleted and click the Delete button. Figure 6-40 Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 How to Set Up VPN Tunnels in Special Circumstances When the VPN Wizard and its VPNC defaults (see Table 6-2) are not appropriate for your special circumstances, use one of the following alternatives: • Auto Policy—for a typical automated Internet Key Exchange (IKE) setup, see “Using Auto Policy to Configure VPN Tunnels” on page 6-36. Auto Policy uses the IKE protocol to define the authentication scheme and automatically generate the encryption keys.
Reference Manual for the ADSL Modem Router DG834 v3 Figure 6-41 Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 The DG834 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. It is used only to help you manage the policies. • Remote VPN Endpoint—If the remote endpoint has a dynamic IP address, select "Dynamic IP address".
Reference Manual for the ADSL Modem Router DG834 v3 • 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. • Single address—Enter an IP address in the "Single/Start IP address" field. This must be an address on the remote LAN. Typically, this setting is used when you wish to access a server on the remote LAN.
Reference Manual for the ADSL Modem Router DG834 v3 • Fully Qualified User Name—the name, E-mail address, or other ID of the remote VPN endpoint. Remote Identity Data—enter the data for the selection above. (If "IP Address" is selected, no input is required.) Parameters. Encryption Algorithm—encryption Algorithm used for both IKE and IPSec. This setting must match the setting used on the remote VPN Gateway. DES and 3DES are supported.
Reference Manual for the ADSL Modem Router DG834 v3 Example of Using Auto Policy A B VPN Tunnel 22.23.24.25 14.15.16.17 DG834 VPN Firewall DG834 VPN Firewall 192.168.3.1 192.168.0.1 PCs PCs Figure 6-42 1. Set the LAN IPs on each DG834 v3 to different subnets and configure each properly for the Internet. The following settings are assumed for this example: Table 6-1.
Reference Manual for the ADSL Modem Router DG834 v3 2. Open the DG834 v3 on LAN A management interface and click on VPN Policies. Figure 6-43 3. Click Add Auto Policy. 4. Enter policy settings (see Figure 6-44). • General — Policy Name = GtoG — Remote VPN Endpoint Address Type = Fixed IP Address — Remote VPN Endpoint Address Data = 22.23.24.25 • Local LAN – use default setting • Remote LAN — IP Address = select Subnet address from the pulldown menu. — Start IP address = 192.168.3.1 — Subnet Mask = 255.
Reference Manual for the ADSL Modem Router DG834 v3 — Pre-shared Key = 12345678 Figure 6-44 Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 5. Click Apply. The Get VPN Policies web page is displayed. Figure 6-45 6. Repeat for the DG834 v3 on LAN B and pay special attention to use the following network settings as appropriate. • General, Remote Address Data (e.g., 14.15.16.17) • Remote LAN, Start IP Address — IP Address (e.g, 192.168.0.1) — Subnet Mask (e.g., 255.255.255.0) — Preshared Key (e.g., 12345678) 7.
Reference Manual for the ADSL Modem Router DG834 v3 a. Open the DG834 v3 management interface and click on VPN Status to display the VPN Status/Log screen (Figure 6-46). Figure 6-46 b. Click VPN Status (Figure 6-46) to display the Current VPN Tunnels (SAs) screen (Figure 6-47). Click on Connect for the VPN tunnel you want to activate. Figure 6-47 c. Review the VPN Status/Log screen (Figure 6-46) to verify that the tunnel is connected. Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 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). Click the VPN Policies link of the main menu, and then click the Add Manual Policy radio button to display the Manual Keys menu shown in Figure 6-48. Figure 6-48 General.
Reference Manual for the ADSL Modem Router DG834 v3 • Remote VPN Endpoint—select the desired option (IP address or Fully Qualified Domain Name) and enter the address of the remote VPN endpoint to which you wish to connect. Note: The remote VPN endpoint must have this VPN Gateway's address entered as its "Remote VPN Endpoint". Local LAN. This identifies which PCs on your LAN are covered by this policy.
Reference Manual for the ADSL Modem Router DG834 v3 Encryption—select the desired Encryption Algorithm, and enter the key in the field provided. For 3DES, the keys should be 24 ASCII characters and for DES, the keys should be 8 ASCII characters. • DES—the Data Encryption Standard (DES) processes input data that is 64 bits wide, encrypting these values using a 56 bit key. Faster but less secure than 3DES.
Reference Manual for the ADSL Modem Router DG834 v3 Virtual Private Networking (Advanced Feature) v1.
Reference Manual for the ADSL Modem Router DG834 v3 6-50 Virtual Private Networking (Advanced Feature) v1.
Chapter 7 Troubleshooting This chapter gives information about troubleshooting your DG834 ADSL Modem Router. 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. • Is the router on? • Have I connected the router correctly? Go to “Basic Functioning” on page 7-1. • I can’t access the router’s configuration with my browser. Go to “Troubleshooting the Web Configuration Interface” on page 7-3.
Reference Manual for the ADSL Modem Router DG834 v3 c. The WAN port LED is lit. If a port’s LED is lit, a link has been established to the connected device. If a LAN port is connected to a 100 Mbps device, verify that the port’s LED is green. If the port is 10 Mbps, the LED will be amber. If any of these conditions does not occur, refer to the appropriate following section.
Reference Manual for the ADSL Modem Router DG834 v3 • Be sure you are using the correct cable: — When connecting the router’s WAN ADSL port, use the cable that was supplied with the DG834 v3.
Reference Manual for the ADSL Modem Router DG834 v3 • Click the Refresh or Reload button in the Web browser. The changes may have occurred, but the Web browser may be caching the old configuration. Troubleshooting the ISP Connection If your router is unable to access the Internet, you should check the ADSL connection, then the WAN TCP/IP connection. ADSL link If your router is unable to access the Internet, you should first determine whether you have an ADSL link with the service provider.
Reference Manual for the ADSL Modem Router DG834 v3 Internet LED Off If the Internet LED is off, disconnect all telephones on the line. If this solves the problem, reconnect the telephones one at a time, being careful to use a microfilter on each telephone. If the microfilters are connected correctly, you should be able to connect all your telephones.
Reference Manual for the ADSL Modem Router DG834 v3 • 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 browserbased Setup Wizard. • Your ISP only allows one Ethernet MAC address to connect to Internet, and may check for your computer’s MAC address. In this case: Inform your ISP that you have bought a new network device, and ask them to use the router’s MAC address. OR Configure your router to spoof your computer’s MAC address.
Reference Manual for the ADSL Modem Router DG834 v3 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. Typically your ISP will provide the addresses of one or two DNS servers for your use.
Reference Manual for the ADSL Modem Router DG834 v3 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: • Wrong physical connections — Make sure the LAN port LED is on. If the LED is off, follow the instructions in “LAN or Internet Port LEDs Not On” on page 7-2.
Reference Manual for the ADSL Modem Router DG834 v3 — 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. If this is the case, you must configure your router to “clone” or “spoof” the MAC address from the authorized PC.
Reference Manual for the ADSL Modem Router DG834 v3 Problems with Date and Time The E-mail menu in the Content Filtering section displays the current date and time of day. The DG834 ADSL Modem Router uses the Network Time Protocol (NTP) to obtain the current time from one of several Network Time Servers on the Internet. Each entry in the log is stamped with the date and time of day.
Appendix A Technical Specifications This appendix provides technical specifications for the DG834 ADSL Modem Router.
Reference Manual for the ADSL Modem Router DG834 v3 A-2 Technical Specifications v1.
Appendix B NETGEAR VPN Configuration DG834 v3 to FVL328 This appendix is a case study on how to configure a secure IPSec VPN tunnel from a NETGEAR DG834 v3 to a FVL328. This case study follows the VPN Consortium interoperability profile guidelines (found at http://www.vpnc.org/InteropProfiles/Interop-01.html). Configuration Profile The configuration in this document follows the addressing and configuration mechanics defined by the VPN Consortium.
Reference Manual for the ADSL Modem Router DG834 v3 10.5.6.0/24 Gateway A LAN IP 10.5.6.1 172.23.9.0/24 VPNC Example Network Interface Addressing 14.15.16.17 22.23.24.25 WAN IP WAN IP Gateway B LAN IP 172.23.9.1 FVL328 DG834 Figure B-1 Note: Product updates are available on the NETGEAR, Inc. web site at http://kbserver.netgear.com/DG834 v3.asp. Step-By-Step Configuration 1.
Reference Manual for the ADSL Modem Router DG834 v3 Click VPN Policies under Advanced - VPN to invoke this screen toFVL328 10.5.6.1 172.23.9.1 toFVL328 22.23.24.25 10 5 6 172 23 9 Figure B-2 NETGEAR VPN Configuration B-3 v1.
Reference Manual for the ADSL Modem Router DG834 v3 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 6-20), being certain to use appropriate network addresses for the environment. a. 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.
Reference Manual for the ADSL Modem Router DG834 v3 toDG834 toDG834 22.23.24.25 14.15.16.17 Click IKE Policies under VPN to invoke this screen 22.23.24.25 14.15.16.17 toDG834 172.23.9.1 10.5.6.1 Click VPN Policies under VPN to invoke this screen toDG834 toDG834 14.15.16.17 172 23 9 10 5 6 1 Figure B-3 NETGEAR VPN Configuration B-5 v1.
Reference Manual for the ADSL Modem Router DG834 v3 3. Test the VPN tunnel by pinging the remote network from a PC attached to the DG834 v3. a. Open the command prompt (Start -> Run -> cmd) b. ping 172.23.9.1 Figure B-4 Note: The pings may fail the first time. If this happens, try the pings a second time.
Reference Manual for the ADSL Modem Router DG834 v3 Table B-1. Profile Summary VPN Consortium Scenario: Scenario 1 Type of VPN LAN-to-LAN or Gateway-to-Gateway (not PC/Client-to-Gateway) Security Scheme: IKE with Preshared Secret/Key (not Certificate-based) IP Addressing: NETGEAR-Gateway A Fully Qualified Domain Name (FQDN) NETGEAR-Gateway B FDQN 10.5.6.0/24 172.23.9.0/24 VPNC Example Network Interface Addressing Gateway A WAN IP LAN IP 10.5.6.1 DG834 WAN IP dg834.dyndns.
Reference Manual for the ADSL Modem Router DG834 v3 The Use of a Fully Qualified Domain Name (FQDN) Many ISPs (Internet Service Providers) provide connectivity to their customers using dynamic instead of static IP addressing. This means that a user’s IP address does not remain constant over time which presents a challenge for gateways attempting to establish VPN connectivity. A Dynamic DNS (DDNS) service allows a user whose public IP address is dynamically assigned to be located by a host or domain name.
Reference Manual for the ADSL Modem Router DG834 v3 Figure B-6 b. Configure this screen with appropriate account and hostname settings and then click Apply. • Check the box Use a Dynamic DNS Service. • Host Name = dg834.dyndns.org • User Name = • Password = c. Click Show Status. The resulting screen should show Update OK: good (see Figure B-7). Figure B-7 4. On the FVL328, configure the Dynamic DNS settings. Assume a properly configured DynDNS account.
Reference Manual for the ADSL Modem Router DG834 v3 a. Browse to the Dynamic DNS Setup Screen (see Figure B-8) in the Advanced menu. Figure B-8 b. Select the DynDNS.org radio button (see Figure B-8), configure with appropriate account and hostname settings (see Figure B-9), and then click Apply. • Host and Domain Name = fvl328.dyndns.org • User Name = B-10 NETGEAR VPN Configuration v1.
Reference Manual for the ADSL Modem Router DG834 v3 • Password = Figure B-9 NETGEAR VPN Configuration B-11 v1.
Reference Manual for the ADSL Modem Router DG834 v3 c. Click Show Status. The resulting screen should show Update OK: good (see Figure B-10). Figure B-10 5. Configure the DG834 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 6-20), being certain to use appropriate network addresses for the environment. The LAN Addresses used in this example are as follows: Device LAN IP Address LAN Subnet Address DG834 v3 10.5.6.
Reference Manual for the ADSL Modem Router DG834 v3 a. In Step 1, enter toDG834 for the Connection Name. b. In Step 2, enter dg834.dyndns.org 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 7. Test the VPN tunnel by pinging the remote network from a PC attached to the DG834 v3. a. Open the command prompt (Start -> Run -> cmd) b. ping 172.23.9.1 Figure B-11 Note: The pings may fail the first time.
Reference Manual for the ADSL Modem Router DG834 v3 Configuration Summary (Telecommuter Example) The configuration in this document follows the addressing and configuration mechanics defined by the VPN Consortium. Gather all the necessary information before you begin the configuration process. Verify whether the firmware is up to date, all of the addresses that will be necessary, and all of the parameters that need to be set on both sides. Assure that there are no firewall restrictions. Table B-1.
Reference Manual for the ADSL Modem Router DG834 v3 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.
Reference Manual for the ADSL Modem Router DG834 v3 fromDG834G (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 Single address 192.168.2.3 (in this example) (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.
Reference Manual for the ADSL Modem Router DG834 v3 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. 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 DG834 ADSL Modem Router. We will assume the PC running the client has a dynamically assigned IP address.
Reference Manual for the ADSL Modem Router DG834 v3 c. Install the IPSec Component. You may have the option to install either the VPN Adapter or the IPSec Component or both. The VPN Adapter is not necessary. d. The system should show the ProSafe icon ( ) in the system tray after rebooting. 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.
Reference Manual for the ADSL Modem Router DG834 v3 Figure B-16 c. Select Secure in the Connection Security check box. d. Select IP Subnet in the ID Type menu. e. In this example, type 192.168.0.1 in the Subnet field as the network address of the DG834 v3. f. Enter 255.255.255.0 in the Mask field as the LAN Subnet Mask of the DG834 v3. g. Select All in the Protocol menu to allow all traffic through the VPN tunnel. h. Select the Connect using Secure Gateway Tunnel check box. i.
Reference Manual for the ADSL Modem Router DG834 v3 b. Click on the Security Policy subheading to show the Security Policy menu. Figure B-17 c. Select the Main Mode in the Select Phase 1 Negotiation Mode check box. 4. Configure the VPN Client Identity. 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 DG834 v3 and either a fixed IP address or a “fixed virtual” IP address of the VPN client PC.
Reference Manual for the ADSL Modem Router DG834 v3 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. Choose Disabled in the Virtual Adapter menu. d.
Reference Manual for the ADSL Modem Router DG834 v3 e. Click the Pre-Shared Key button. In the Pre-Shared Key dialog box, click the Enter Key button. Enter the DG834 v3's Pre-Shared Key and click OK. In this example, 12345678 is entered. This field is case sensitive. Figure B-19 5. Configure the VPN Client Authentication Proposal. In this step, you will provide the type of encryption (DES or 3DES) to be used for this connection. This selection must match your selection in the VPN router configuration. a.
Reference Manual for the ADSL Modem Router DG834 v3 b. Expand the Authentication subheading by double clicking its name or clicking on the “+” symbol. Then select Proposal 1 below Authentication. 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. f. In the SA Life menu, select Unspecified. g. In the Key Group menu, select Diffie-Hellman Group 2. 6.
Reference Manual for the ADSL Modem Router DG834 v3 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. c. In the Compression menu, select None. d. Check the Encapsulation Protocol (ESP) checkbox. e. In the Encrypt Alg menu, select the type of encryption. In this example, use Triple DES. f. In the Hash Alg menu, select SHA-1. g.
Reference Manual for the ADSL Modem Router DG834 v3 8. Check the VPN Connection. To check the VPN Connection, you can initiate a request from the remote PC to the VPN router’s network by using the Connect option in the DG834 ADSL Modem Router menu bar (see Figure B-22). Since the remote PC has a dynamically assigned WAN IP address, it must initiate the request. a. Right-click the system tray icon to open the popup menu. b. Select Connect to open the My Connections list. c. Choose toDG834G.
Reference Manual for the ADSL Modem Router DG834 v3 c. Type ping -t 192.168.0.1, 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. Figure B-24 Once the connection is established, you can open the browser of the PC and enter the LAN IP address of the VPN router.
Reference Manual for the ADSL Modem Router DG834 v3 Monitoring the VPN Tunnel (Telecommuter Example) Viewing the PC Client’s Connection Monitor and Log Viewer To view information on the progress and status of the VPN client connection, open the DG834 ADSL Modem Router Log Viewer. 1. To launch this function, click on the Windows Start button, then select Programs, then DG834 ADSL Modem Router, then Log Viewer.
Reference Manual for the ADSL Modem Router DG834 v3 Note: While your PC is connected to a remote LAN through a VPN, you might not have normal Internet access. If this is the case, you will need to close the VPN connection in order to have normal Internet access. Viewing the VPN Router’s VPN Status and Log Information To view information on the status of the VPN client connection, open the VPN router’s VPN Status screen by following the steps below: 1.
Reference Manual for the ADSL Modem Router DG834 v3 2. To view the VPN tunnels status, click the VPN Status link on the right side of the main menu. Figure B-27 Current VPN Tunnels (SAs) screen NETGEAR VPN Configuration B-29 v1.
Reference Manual for the ADSL Modem Router DG834 v3 B-30 NETGEAR VPN Configuration v1.
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 Addressing: http://documentation.netgear.com/reference/enu/tcpip/index.htm Wireless Communications: http://documentation.netgear.com/reference/enu/wireless/index.htm Preparing a Computer for Network Access: http://documentation.netgear.com/reference/enu/wsdhcp/index.
Reference Manual for the ADSL Modem Router DG834 v3 C-2 Related Documents v1.
