Netgear C7100V-1AZNAS User Manual - Page 122

Test the Path From Your Computer to a Remote Device, Start, ping -n 10

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AC1900 Cable Modem Voice Router If the path is not functioning correctly, you might be experiencing one of the following problems: • Wrong physical connections For a wired connection, make sure that the numbered LAN port LED is lit for the port to which you are connected. Check that the appropriate LEDs are on for your network devices. If your modem router and computer are connected to a separate Ethernet switch, make sure that the link LEDs are lit for the switch ports that are connected to your computer and modem router. • Wrong network configuration Verify that the Ethernet card driver software and TCP/IP software are both installed and configured on your computer. Verify that the IP address for your modem router and your computer are correct and that the addresses are on the same subnet. Test the Path From Your Computer to a Remote Device After verifying that the LAN path works correctly, test the path from your computer to a remote device. 1. From the Windows toolbar, click the Start button and select Run. 2. In the Windows Run window, type ping -n 10 where is the IP address of a remote device such as your ISP DNS server. If the path is functioning correctly, messages like those shown in the previous section display. If you do not receive replies, check the following: • Check to see that the IP address of your modem router listed as the default gateway on your computer. If DHCP assigns the IP configuration of your computers, this information is not visible in your computer Network Control Panel. Verify that the IP address of the modem router is listed as the default gateway. • Check to see that the network address of your computer (the portion of the IP address specified by the subnet mask) is different from the network address of the remote device. • Check to see that your cable or DSL modem is connected and functioning. • If your ISP assigned a host name to your computer, enter that host name as the account name on the Internet Setup page. • Your ISP might be rejecting the Ethernet MAC addresses of all but one of your computers. Many broadband ISPs restrict access by allowing traffic only from the MAC address of your broadband modem. If your ISP restricts access to the MAC address of a single computer connected to that modem, configure your modem router to "clone" or "spoof" the MAC address from the authorized computer. Troubleshooting 122

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Troubleshooting
122
AC1900 Cable Modem Voice Router
If the path is not functioning correctly, you might be experiencing one of the following
problems:
•
Wrong physical connections
For a wired connection, make sure that the numbered LAN port LED is lit for the port to
which you are connected.
Check that the appropriate LEDs are on for your network devices. If your modem router
and computer are connected to a separate Ethernet switch, make sure that the link LEDs
are lit for the switch ports that are connected to your computer and modem router.
•
Wrong network configuration
Verify that the Ethernet card driver software and TCP/IP software are both installed and
configured on your computer.
Verify that the IP address for your modem router and your computer are correct and that
the addresses are on the same subnet.
Test the Path From Your Computer to a Remote Device
After verifying that the LAN path works correctly, test the path from your computer to a remote
device.
1.
From the Windows toolbar, click the
Start
button and select
Run
.
2.
In the Windows Run window, type
ping -n 10
<
IP address
>
where <IP address> is the IP address of a remote device such as your ISP DNS server.
If the path is functioning correctly, messages like those shown in the previous section display.
If you do not receive replies, check the following:
•
Check to see that the IP address of your modem router listed as the default gateway on
your computer. If DHCP assigns the IP configuration of your computers, this information
is not visible in your computer Network Control Panel. Verify that the IP address of the
modem router is listed as the default gateway.
•
Check to see that the network address of your computer (the portion of the IP address
specified by the subnet mask) is different from the network address of the remote device.
•
Check to see that your cable or DSL modem is connected and functioning.
•
If your ISP assigned a host name to your computer, enter that host name as the account
name on the Internet Setup page.
•
Your ISP might be rejecting the Ethernet MAC addresses of all but one of your
computers.
Many broadband ISPs restrict access by allowing traffic only from the MAC address of
your broadband modem. If your ISP restricts access to the MAC address of a single
computer connected to that modem, configure your modem router to “clone” or “spoof”
the MAC address from the authorized computer.