Visitor
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2 Messages
CM3000 Not Locking Upstream OFDMA – Upload Stuck at 63 Mbps on 2 Gig Plan
CM3000 on Xfinity 2 Gig plan. Download is correct (~2313 Mbps), but upload remains ~63 Mbps. Modem shows downstream OFDM locked, but zero locked upstream OFDMA channels. Router bottleneck already eliminated with ASUS RT-BE92U. Looking for verification that my modem/account/node is correctly provisioned for next-gen upload speeds and upstream OFDMA.
XfinityJohnG
Official Employee
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2.8K Messages
7 hours ago
Thank you for reaching out to our team. I will be happy to look at the provisioning on your device from here. Can you send me a direct message with the full name and complete address for your service? To send a direct message.
• Click "Sign In" if necessary
• Click the "Direct Message” icon (upper right corner of this page)
• Click the "New message" (pencil and paper) icon
• Type "Xfinity Support" in the to line and select "Xfinity Support" from the drop-down list
• Type your message in the text area near the bottom of the window
• Press Enter to send your message
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