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[KS] SB6121 versus DPC 3010 - which one is preferable?

I have been having connection problems (unreliable speed, often dropping down to less than 5 Mbps) for a couple of months. A technician recommended a new DOCSIS 3.0 modem. I purchased a Motorola SB6121, and things improved for a few days, then problems reappeared. Some information on the Web suggests that this particular modem may have issues with the Cox network under certain circumstances. A couple of days ago I ordered a Cisco DPC 3010, which is highly recommended. When I connected it, the lights flashed yellow instead of green, which apparently means no channel bonding.

My question is: is the Cisco really supposed to be better than the Motorola, to the point that I should try to go through the pain of troubleshooting it and see if it makes a difference compared to the Motorola, or are the two more or less equivalent?

I have premiere service in Topeka, KS.

Thank you for any suggestion you may have!



Mesa, AZ
·Sprint Mobile Br..
·Cox HSI
I've been pretty disappointed with my Cisco modem. The web interface on it regularly crashes and requires a reboot to access, and it shows very little in the way of useful troubleshooting information.

I had a Motorola one before, it worked great. I had to replace it when docsis 3 hit and there was no Motorola docsis 3 equivalent available at the time. I think I am going to get an SB6141 in a bit.

BTW isn't google fiber coming to Topeka eventually? Screw cable, get that if you can.


Thanks for your note. I have noticed that the information on the set up screen of the Cisco modem is very scanty, I think in part because I cannot access the password-protected portion.

Google is coming to Kansas City, no word about Topeka, unfortunately. We tried, but they beat us....

reply to Rakeesh
Please keep everything in one post...

Multiple threads about the same thing messes up helping you.

»[KS] Cisco DIPC 3010 - Orange/yellow/amber lights (not green)