Problems With Wan; Problems With Upgrading - NetComm NB6 User Manual

The chances are that the interface used as DHCP server is modified and the client PCs do not renew IP
addresses.
If your DHCP server is enabled on Private IP Address previously and you modify the interface to Public
IP Address, the client PCs should renew IP addresses.
The PC on the LAN cannot access the Web page of the ADSL Router.
Check that your PC is on the same subnet with the ADSL Router.

Problems with WAN

You cannot access the Internet.
If the LAN LED on the front panel is off or keeps blinking, there may be problem on the cable
connecting to the ADSL Router.
At the DOS prompt, ping the IP address of the ADSL Router, e.g., ping 192.168.1.1. If the
following response occurs:
Reply from 192.168.1.1: bytes=32 time=100ms TTL=253
Then the connection between the ADSL Router and the network is OK.
If you get a failed ping with the response of:
Request timed out
Then the connection is fail. Check the cable between the ADSL Router and the network.
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 Upgrading

The following lists the error messages that you may see during upgrading and the action to take.
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.
•
Check the physical connection between the ADSL Router and the LAN.
•
Check the DNS setting of the ADSL Router.
•
Error message: All the ADSL LEDs light up and cannot light off as usual.