Netgear FVL328 FVL328 Reference Manual - Page 131
Troubleshooting a TCP/IP Network Using a Ping Utility
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Model FVL328 ProSafe High-Speed VPN Firewall Reference Manual Revision 2 If your firewall is still unable to obtain an IP address from the ISP, the problem may be one of the following: • Your ISP may require a login program. Ask your ISP whether they require PPP over Ethernet (PPPoE) or some other type of login. • If your ISP requires a login, you may have incorrectly set the login name and password. • Your ISP may check for your computer's host name. Assign the PC Host Name of your ISP account as the Account Name in the Basic Settings menu. • 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 firewall's MAC address. OR Configure your firewall to spoof your computer's MAC address. This can be done in the Basic Settings menu. Refer to "Manually Configuring Your Internet Connection" on page 3-10. If your firewall 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.netgear.com) to numeric IP addresses. Typically your ISP will provide the addresses of one or two DNS servers for your use. If you entered a DNS address during the firewall's configuration, reboot your computer and verify the DNS address as described in "Verifying TCP/IP Properties" on page C-8. Alternatively, you may configure your computer manually with DNS addresses, as explained in your operating system documentation. • Your computer may not have the firewall configured as its TCP/IP gateway. If your computer obtains its information from the firewall by DHCP, reboot the computer and verify the gateway address as described in "Verifying TCP/IP Properties" on page C-8. Troubleshooting a TCP/IP Network Using a Ping Utility Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet to the designated device. The device then responds with an echo reply. Troubleshooting a TCP/IP network is made easier by using the ping utility in your PC or workstation. Troubleshooting 8-5 May 2004, 202-10030-02