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Forum Discussion
Brand new CMD31T Cable modem constantly dropping internet connection on Comcast
Hi everyone. This is my first post as I have a persistent ongoing issue with a brand new CMD31T cable modem. I'm actually on my second one as Netgear phone support told me that I had a defective unit....
CMD31T Disconnection Issues.
My modem kept disconnecting and reconnecting after a couple days and I began to get frustrated. Then a day later I was finally cut off from the internet. The CMD31T kept cycling trying to establish a connection. I noticed that the UP and DOWN 1/2 would flash a couple times go solid then drop in an endless loop. I called Comcast and they told me they didn't know what the problem was nor were there any outages. They said I could have a technician come out and see what the problem was. I honestly felt that my brand new $90 Netgear modem couldn't be the problem so I requested a technician anyways. A technician costs $50 to come out if they can't find a problem on their end. The following day I just said screw it I'll cancel the technician coming out and I will go re-rent my modem (A $7 charge is cheaper than a $50 one to see if it was modem after all). Returning from the Comcast store with the rental modem... I prepare disconnect the CMD31T and see that it was CONNECTED! I get on my pc and try using the internet to find Comcast wants me to activate my modem again.
What I got out of this....
When Comcast added the modem to my account they must have provisioned my account with the new rental modem bumping any settings with the CMD31T. At this point I get really irritated and call up Comcast and explain what happened. The representative told me that they are aware of the problem with the NetGear CMD31T and don't have a fix for it. (Why didn't the first rep. not tell me this when I called?) She started to actually tell me that the IPV6 is not working correctly between their hardware and this particular cable modem. So at this point I am not quite sure who is to blame but I just wanted to share my experience before someone calls for a technician or save them trips thinking they have a faulty modem.
I figure by now Netgear and Comcast are just exchanging emails right now blaming each other. So If you experience this problem just call Comcast and tell them to re-provision your modem.
My modem kept disconnecting and reconnecting after a couple days and I began to get frustrated. Then a day later I was finally cut off from the internet. The CMD31T kept cycling trying to establish a connection. I noticed that the UP and DOWN 1/2 would flash a couple times go solid then drop in an endless loop. I called Comcast and they told me they didn't know what the problem was nor were there any outages. They said I could have a technician come out and see what the problem was. I honestly felt that my brand new $90 Netgear modem couldn't be the problem so I requested a technician anyways. A technician costs $50 to come out if they can't find a problem on their end. The following day I just said screw it I'll cancel the technician coming out and I will go re-rent my modem (A $7 charge is cheaper than a $50 one to see if it was modem after all). Returning from the Comcast store with the rental modem... I prepare disconnect the CMD31T and see that it was CONNECTED! I get on my pc and try using the internet to find Comcast wants me to activate my modem again.
What I got out of this....
When Comcast added the modem to my account they must have provisioned my account with the new rental modem bumping any settings with the CMD31T. At this point I get really irritated and call up Comcast and explain what happened. The representative told me that they are aware of the problem with the NetGear CMD31T and don't have a fix for it. (Why didn't the first rep. not tell me this when I called?) She started to actually tell me that the IPV6 is not working correctly between their hardware and this particular cable modem. So at this point I am not quite sure who is to blame but I just wanted to share my experience before someone calls for a technician or save them trips thinking they have a faulty modem.
I figure by now Netgear and Comcast are just exchanging emails right now blaming each other. So If you experience this problem just call Comcast and tell them to re-provision your modem.