Visitor
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3 Messages
My Netgear CM3000 upload speed capped at 40 Mbps.
My Netgear CM3000 diagnostics show that the upstream OFDMA channel is successfully Locked at 36.2 MHz (Power: 43.3 dBmV), proving my modem hardware is fine. However, my upload speeds are still capped at 40 Mbps. This confirms my modem is stuck on a partial or legacy bootfile. Please have a Tier 2 network engineer review my account provisioning codes and force-push the correct Next-Gen / Mid-Split speed tier configuration file to my modem's MAC address.
Multiple techs visited my home and they couldn't fix the issue. field technician verified my physical line is capable of high upload speeds, but my speeds are capped at 40 Mbps. Also, multiple front-line agents couldn't solve it either.
user_t8981o
Visitor
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3 Messages
15 days ago
@Xfinity Support can you help here?
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EG
Expert
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122.4K Messages
15 days ago
Concern moved here to the Customer Service help section for greater exposure to Comcast corporate employees (The Digital Care Team) for assistance.
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XfinityOrlandoM
Official Employee
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3.9K Messages
15 days ago
@user_t8981o
Please be mindful that sending unsolicited Direct Messages to an Official Employee of the Xfinity Community Forum is a violation of Forum Guidelines. In the future we ask that you please find the most appropriate public board for your question type and post it there. If needed, we may invite you to send us a Direct Message.
Thanks for reaching out to us we apologize for any inconvenience as the Neatgear CM3000 does list as a compatible modem for our next generation speeds so you should be getting at least 100 megabytes to upload.
Since we already have you in the direct messaging platform, I sent you a message and I look forward to hearing from you
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user_fg4q24
Visitor
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1 Message
5 hours ago
I am having a very similar issue with my Netgear CM3000 as well. My modem is locking the Upstream OFDMA channel without issue and locking 4 Upstream bonded channels without issue. Support keeps telling me to get the Xfinity modem, but mine appears to be in perfectly good order. Every time they reset the modem i see NO attempt at downloading any new profile in my modems event log, so they are not updating it correctly. The current profile that they keep resetting is never attempting any USID negotiation, so i know the current profile is still in correct.
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