User Manual

3.
Click the OK button.
You should see a message like this one:
Pinging <IP address > with 32 bytes of data
If the path is working, you see this message:
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 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 cable
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 cable 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 cable 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 Test the LAN Path
to Your Cable Modem Router on page 103 display.
If you do not receive replies, check the following:
•
Check to see that the IP address of your cable modem router is 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.
User Manual104Troubleshooting
AC1750 WiFi Cable Modem Router