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I've nothing but difficulty with this modem. Two modems, couldn't auto-provision, hours on the phone doing it manually, and then repeated dropped connections. Need help please.
Techs came to the house, replaced every splitter and jumper in the house, and connectors in the junction box on outside of the house, and some device in the box on the street. Fewer dropped connections but still at an unacceptable rate (~2 per day).
Another tech visit and this tech says "your house is solid", "the power levels and noise is within limits" and "you probably got a bad modem".
So... Amazon sends a replacement and of course... it's all happening again: Cant provision.
90 minutes on phone support...No joy. This time, however, the phone technician informed me that a 'Tier 3' Comcast engineering support person said they do not support this model. "Not the CM1000-1AZNAS, just the 100NAS". AND "they do not have a bootfile written for this specific model" (I actually have this in an email sent me by the support tech).
I'm perplexed because the item description (and indeed right on the box) clearly says:
SO my questions are: is this modem (-1AZNAS) supported on Comcast's network (Yes or No)?
If 'Yes', is there a systemic compatibility problem with comcast and the Netgear CM1000 in general?
Has anyone informed Netgear of this? They've spent a lot on advertising from the looks of it.
Solved! Go to Solution.
I checked directly with a Comcast employee that has specific knowledge in that area. The CM1000-1AZNAS is not supported at this time. It has not been tested and approved, thus there is no bootfile for it.
Interesting. Would the (lack of a) bootfile only affect auto-provisioning or could that have something to do with the dropped connections as well?
This is a big deal in my mind, because Netgear is marketing it as compatible (see link)
Sure, having the wrong bootfile can cause all kinds of issues. Although they are both essentially the same hardware so I woulld think it would be okay. The headend (CMTS) would see it as an unsupported device though, which may cause issues. Maybe you just have signal issues?
See the troubleshooting guide.
Well in my original post, you'll see that the techs eliminated 'signal issues' as the problem.
I'm not convinced because they went to a fair bit of trouble replacing hardware in and around my house.
I'm going to dump the CM1000 and go with another brand. I don't have time to screw with this (who does?).
Based on what you said I feel like Netgear has misrepresented their products as compatible.
It's a weird one, looked at the specs on Netgear looks just the same as the original CM1000. Maybe it should be configured with the same firmware and config as the original.
I have the CM1000 (original) works fine.
As far as I was made aware of from Netgear the 1AZNAS is the exact same thing but just saying sold by Amazon being why the AZ is in there.
And yet Amazon sells the retail box version of the CM1000, and it's getting really good reviews.