replace a 10 year old motorolum DOCSIS 2.0 cable modem on Charter . 1 . try online tool from Charter do not work . be always stick . 2 . the Charter phone service though work very well , take about 5 minute . 3 . the network be back from begin to end in about 10 minute -lrb- exclude the online tool failure with charter -rrb- . the speed increase be noticeable from sustainable ~ 15mbit to ~ 28mbit download and 3.2 mbit upload . download peak speed go up to 50mbit the modem be a bit warmer than I would have expect . but that seem to be no real problem . the modem be in place for about 4 week now - have 3 failure . the Charter connection do not work . Charter say they side be ok , power off\/on on the modem restore the connection . have now add a synaccess netbooter np-02 -lrb- b -rrb- . that recycle the modem if 25 ping -lrb- one every 5 seconds = 125 seconds no connection -rrb- to the DNS server outside do not respond -lrb- the IP number of the DNS server be available in the router -rrb- . also set to recycle power at 2:30 be for both router and modem . will give more feedback in a month .