Every time you connect a difference computer or router to a cable modem you have to
power off the cable modem first
Power everything off, including the Cable Modem, which must be left without power for
This is IMPORTANT so that it loses the association between the existing connection
(recognized by its MAC address) and the IP address that it has allocated to it.
Connect a network cable between the router's WAN port and the Cable Modem's Ethernet
Connect a second network cable between the PC's network port and one of the Router's
Power on the Cable Modem and, when fully booted with all lights displayed, power on
When the router is fully up and running, switch on the PC.
The Cable Modem will recognize a new connection and allocate a different IP address to
the router .
If you now type the Router's IP address it should be “192.168.0.1” (Check the manual)
into your web browser you should be able to open the configuration pages on the router
to set it up for the wireless networking.
As far as connecting to the ISP is concerned, "Cable" uses the very basic setting to
connect and get its addresses by DHCP.
You don't need to do anything in the computers that connect to the router, just connect by
Ethernet cable or 'wirelessly' and they should be online.