this product cm100 -lrb- docsys 2.0 -rrb- compare to my old Linksys -lrb- Docsys 1.1 -rrb- router be amazing . go from 4 down 700k up through router to 10 down 2 up through router with 20 down\/4up when connect straight to modem . just when you first connect it up , turn off computer and do not connect you router . power up computer and Modem . call isp with MAC address , then power everything down , connect router and turn everything back on . good to go .