5 Troubleshooting

I cannot access the Web-based Configuration Utility from the Ethernet computer used to configure the router.

Check that the LAN LED is on. If the LED is not on, verify that the cable for the LAN connection is firmly connected.

Check whether the computer resides on the same subnet with the router’ s LAN IP address.

If the computer act as a DHCP client, check whether the computer has been assigned an IP address from the DHCP server. If not, you will need to renew the IP address. See the check/renew IP address section under ‘3.2 Setting up TCP/IP’ for instructions.

Use the ping command to ping the router’ s LAN IP address to verify the connection.

Make sure your browser is not configured to use a proxy server.

Check that the IP address you entered is correct. If the router’ s LAN IP address has been changed, you should enter the reassigned IP address instead.

I can browse the router’s Web-based Configuration Utility but cannot access the Internet.

Check if the WAN LED is ON. If not, verify that the physical connection between the router and the DSL/Cable modem is firmly connected. Also ensure the DSL/Cable modem is working properly.

If WAN LED is ON, open the System Overview page of the Web configuration utility and check the status group to see if the router’ s WAN port has successfully obtained an IP address.

Make sure you are using the correction method (DHCP client, PPPoE client, or Manual Config) as required by the ISP. Also ensure you have entered the correct settings

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Airlink RT210W user manual Troubleshooting