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Needed to reboot Motorola SB6120 due to lack of speed

This morning I was having issues with my internet connection which affected both surfing and phone calls (VOIP).

So, I ran a speed test at WOW's site and got less than 2 meg download (15/2 plan):

Download Speed: 1.6 Mbps (1600 kb/sec transfer rate)
Upload Speed: 2.003 Mbps (2003 kb/sec transfer rate)
Tue Oct 09 2012 11:13:45 GMT-0400 (Eastern Daylight Time)

Download Speed: 5.707 Mbps (5707 kb/sec transfer rate)
Upload Speed: 1.952 Mbps (1952 kb/sec transfer rate)
Tue Oct 09 2012 11:27:08 GMT-0400 (Eastern Daylight Time)

I then rebooted the cable modem and now it's back to normal:

Download Speed: 15.899 Mbps (15899 kb/sec transfer rate)
Upload Speed: 1.964 Mbps (1964 kb/sec transfer rate)
Tue Oct 09 2012 11:29:57 GMT-0400 (Eastern Daylight Time)

Download Speed: 15.936 Mbps (15936 kb/sec transfer rate)
Upload Speed: 1.983 Mbps (1983 kb/sec transfer rate)
Tue Oct 09 2012 11:42:39 GMT-0400 (Eastern Daylight Time)

Seems strange as I haven't had that problem before. With the old Webstar modem, I had to reboot every couple of weeks because I'd lose internet connection completely.

Any ideas what would cause this?

Anyone have similar problems with the Motorola SB6120?

Naperville, IL
There's no real way to determine what caused the issue, as there's a wide range of things that could do that. Something like maintenance work or an outage in your area could have caused issues, and required the modem to reboot afterward to fully resolve it. The modem itself could be having issues, there's really no way to determine now what the problem was.

If you ever do experience speed issues, rebooting the modem is always a good idea. I would recommend doing it maybe once a month to make sure the modem has gotten all of the updates it might require. Some updates cause the modem to reboot, others will happen after a reboot occurs.
Dan Della Terza
WOW! Internet, Cable & Phone
Network Operations Center

Madison Heights, MI
reply to bw1
i run a SB6120 and have no issues, like that. I do know when WOW has issues i have to occasionally reboot it and its fine...


reply to bw1
Well, it's been pretty rock solid up until then. That just seemed strange and it's fine now.

I've had it since Jan, 2011, so it's paid for itself already.

I just bought a couple of webstar's for relatives, so I'll see how those work for them. Should break even in only 3 months.


Columbus, OH
reply to bw1
So you had *one* experience and panicked?


I wouldn't call it a panic.

I normally come on here when something goes wrong and see others posting about an issue.

For example, this outage in Michigan:
»WOW in Michigan

Anyway, just wondering if others had experienced anything similar.