Netgear FR328S User Manual download pdf (Page 91)

FR328S ProSafe Firewall with Dial Back-Up Reference Manual v2

Troubleshooting 8-5

M-10207-01, Reference Manual v2

• Your ISP only allows one Ethernet MAC address to connect to Internet, and may check for

your PC’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.

Configure your firewall to spoof your PC’s MAC address. This can be done in the Basic

Settings menu. Refer to “Manually Configuring Your Internet Connection“ on page 3-16.

If your firewall can obtain an IP address, but your PC is unable to load any web pages from the

Internet:

• Your PC 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 PC and verify the DNS address as described in “Verifying TCP/IP

Properties“ on page C-6. Alternatively, you may configure your PC manually with DNS

addresses, as explained in your operating system documentation.

• Your PC may not have the firewall configured as its TCP/IP gateway.

If your PC obtains its information from the firewall by DHCP, reboot the PC and verify the

gateway address as described in “Verifying TCP/IP Properties“ on page C-6.

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.

Testing the LAN Path to Your Firewall

You can ping the firewall from your PC to verify that the LAN path to your firewall is set up

correctly.

To ping the firewall from a PC running Windows 95 or later:

1. From the Windows toolbar, click on the Start button and select Run.

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Netgear FR328S User Manual Page 91