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Check the DNS setting of the ADSL Router.
At the DOS prompt, ping the IP addresses of the DNS provided by your
ISP. For example, if your DNS IP is 168.95.1.1, then ping 168.95.1.1. If the
following response occurs:
Reply from 168.95.1.1: bytes=32 time=100ms TTL=253
Then the connection to the DNS is OK.
If you get a failed ping with the response of:
Request timed out
Then the DNS is not reachable. Check your DNS setting on the ADSL
Router.
Problems with WAN
The following lists the error messages that you may see during upgrading
and the action to take.
Error message：All the ADSL LEDs light up and cannot light off as usual.
Possible cause：When users are executing firmware upgrade and saving
settings to the router, the power for the router is lost for some unknown
reasons, the normal web page for the router might be damaged. After power
on your router, the LEDs might not work normally.
Action：
Setup you PC with a static IP address, such as 192.168.1.2, and then access
the router's web page by entering http://192.168.1.1. Then update the
firmware again.
Wireless IAD User Manual
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