User manual NETGEAR DG834B REFERENCE MANUAL

[. . . ] Reference Manual for the ADSL Firewall Router DG834 NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Phone 1-888-NETGEAR 202-10005-05 June 2005 202-10005-05, June 2005 © 2005 by NETGEAR, Inc. Trademarks NETGEAR is a trademark of Netgear, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. [. . . ] 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. c. Establish an Internet connection from the PC. On the Windows taskbar, click the Start button, and then click Run. Type ping -t 192. 168. 3. 1 and then click OK. Figure 7-32: Running a Ping test to the LAN from the PC This will cause a continuous ping to be sent to the first DG834. After between several seconds and two minutes, the ping response should change from "timed out" to "reply. " Note: Use Cntl-C to stop the pinging. Figure 7-33: Ping test results Virtual Private Networking (Advanced Feature) 202-10005-05, June 2005 7-29 Reference Manual for the ADSL Firewall Router DG834 Once the connection is established, you can open the browser of the PC and enter the LAN IP address of the remote DG834. After a short wait, you should see the login screen of the Router (unless another PC already has the DG834 management interface open). · Gateway-to-Gateway Configuration--test the VPN tunnel by pinging the remote network from a PC attached to the DG834. a. b. Open command prompt (i. e. , Start -> Run -> cmd). ping 192. 168. 3. 1. Figure 7-34: Pinging test results Note: The pings may fail the first time. If so, then try the pings a second time. Start Using a VPN Tunnel to Active 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. 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. Open the DG834 management interface and click on VPN Status to get the VPN Status/Log screen (Figure 7-35). 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. 7-30 Virtual Private Networking (Advanced Feature) 202-10005-05, June 2005 Reference Manual for the ADSL Firewall Router DG834 Figure 7-35: VPN Status/Log Screen 3. Click on VPN Status (Figure 7-30) to get the Current VPN Tunnels (SAs) screen (Figure 7-31). 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" key exchange, the SPI is specified in the Policy definition. For "Automatic" key exchange, the SPI is generated by the IKE protocol. Policy Name--the name of the VPN policy associated with this SA. [. . . ] RFCs can be found at www. ietf. org. See Routing Information Protocol. Glossary PPP over Ethernet PPTP PSTN Point-to-Point Protocol RADIUS RFC RIP 4 Reference Manual for the ADSL Firewall Router DG834 router A device that forwards data between networks. An IP router forwards data based on IP source and destination addresses. A protocol in which routers periodically exchange information with one another so that they can determine minimum distance paths between sources and destinations. [. . . ]