1 Message
CM1100 Reset
I'm getting a lot of errors on my Netgear CM1100 modem and my connection is often unstable. Before I look into hardware replacement, I would like to reset my modem. There are minimal settings on the modem itself, just a log in. Before I make any changes, I want to be sure that I will not have to request reprovisioning once it's reset.
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2024-12-13, 21:59:16 |
Critical (3) |
Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=[Edited: “Personal Information”];CMTS-MAC=[Edited: “Personal Information”];CM-QOS=1.1;CM-VER=3.1; |
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2024-12-13, 19:15:34 |
Critical (3) |
UCD invalid or channel unusable;CM-MAC=[Edited: “Personal Information”];CMTS-MAC=[Edited: “Personal Information”];CM-QOS=1.1;CM-VER=3.1; |
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2024-12-13, 19:15:34 |
Notice (6) |
DS profile assignment change. DS Chan ID: 33; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=[Edited: “Personal Information”];CMTS-MAC=[Edited: “Personal Information”];CM-QOS=1.1;CM-VER=3.1; |
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2024-12-13, 19:15:33 |
Notice (6) |
DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=[Edited: “Personal Information”];CMTS-MAC=[Edited: “Personal Information”];CM-QOS=1.1;CM-VER=3.1; |
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2024-12-13, 19:15:19 |
Notice (6) |
Honoring MDD; IP provisioning mode = IPv6 |
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2024-12-13, 19:15:15 |
Critical (3) |
UCD invalid or channel unusable;CM-MAC=[Edited: “Personal Information”];CMTS-MAC=[Edited: “Personal Information”];CM-QOS=1.1;CM-VER=3.1; |
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Time Not Established |
Notice (6) |
Honoring MDD; IP provisioning mode = IPv6 |
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Time Not Established |
Critical (3) |
SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;CM-MAC=[Edited: “Personal Information”];CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1; |
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2024-12-13, 19:13:57 |
Critical (3) |
Resetting the cable modem due to docsDevResetNow |
Can I do a factory reset and expect it to reconnect once the reset is complete?
Do I need to do anything else after the reset to keep my connection running?
Thank you.
XfinityVictor
Official Employee
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1.3K Messages
4 months ago
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EG
Expert
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109.9K Messages
4 months ago
@user_unyafh Resetting to factory defaults or power-cycling (re-booting) a modem will not result in a loss of provisioning / activation.
That said.
What do the modem's signal status values look like ? Try getting them here; http://192.168.100.1 or here http://10.0.0.1
Please copy all of the text in its entirety of the *Downstream Power Levels*, the *SNR's* (Signal to Noise Ratios), and the *Upstream Power Level* numbers and paste them into your next post.
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EG
Expert
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109.9K Messages
4 months ago
@user_unyafh
Have you had a chance to gather the requested info ?
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user_amftk7
1 Message
4 months ago
I have also been experiencing the same issues with my CM1100 over the last 3 weeks. It'll lose connection and after a couple minutes will come back. I know it's the service coming into the modem because the TV closest to the modem is hard wired to the modem vs wifi like everything else.
After searching online for a bit, I see a slot of chatter around the CM1100 being incompatible now because of incompatible filters. Can I get more info? And if this is true, why does it work without issue 90%+ of the time?
Is Comcast forcing me to replace my modem?
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